Globe Scientific

Cuvettes

<h2 dir="ltr">What are Cuvettes?</h2>
 Cuvettes are small, precision-dimensioned transparent vessels used to hold liquid samples in the light path of a spectrophotometer, fluorometer, or colorimeter for measurement of absorbance, transmittance, fluorescence intensity, or fluorescence polarization. The standard cuvette has a 10 mm optical path length (the distance light travels through the sample), a square or rectangular cross-section, and an internal volume of 1&ndash;4 mL. Cuvettes are manufactured in four main materials&mdash;polystyrene (PS) or polymethylmethacrylate (PMMA) plastic, optical glass, UV-grade quartz (fused silica), and IR quartz&mdash;each covering a different wavelength range. Choose plastic cuvettes for routine visible-light absorbance (380&ndash;780 nm) where disposability prevents cross-contamination; choose optical glass for reusable visible-range work (340&ndash;2,500 nm); choose UV quartz when measurements extend into the UV range below 340 nm (190&ndash;2,500 nm).
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1cg0wqn" data-start="1810" data-end="1862">Spectrophotometer cuvettes for absorbance analysis</li>
<li data-section-id="vbobpt" data-start="1863" data-end="1890">Polystyrene (PS) cuvettes</li>
<li data-section-id="14z5a6i" data-start="1891" data-end="1906">PMMA cuvettes</li>
<li data-section-id="1h4vr7o" data-start="1907" data-end="1966">Analyzer-specific cuvettes for clinical chemistry systems</li>
<li data-section-id="b3k6fl" data-start="1967" data-end="1998">Standard path length cuvettes</li>
<li data-section-id="td8a19" data-start="1999" data-end="2043">Accessories for spectrophotometer cuvettes</li>
</ul>
<h2 dir="ltr"> How to Choose Cuvettes</h2>
 Material and Wavelength Range Plastic (PS/PMMA) cuvettes transmit visible light from 380&ndash;780 nm and are single-use, eliminating cleaning and cross-contamination risk. They are unsuitable for UV measurements, organic solvents, or strong acids. Optical glass cuvettes transmit 340&ndash;2,500 nm, covering the full visible and near-infrared range; Different manufacturers recommend different procedures. UV quartz cuvettes are traditionally used for DNA/RNA quantification at OD260/OD280 because they transmit UV wavelengths below 340 nm. IR quartz extends to 3,500 nm for near-IR applications. Optical Path Length The standard 10 mm path length follows the Beer-Lambert law at normal sample concentrations. Semi-micro (5 mm path) and micro-volume cuvettes (1 mm path, or internal volumes down to 10&ndash;70 &micro;L) are used for precious or limited-volume samples. The path length directly multiplies absorbance: a 1 mm cuvette gives 1/10 the absorbance of a 10 mm cuvette for the same solution &mdash; account for this in Beer-Lambert calculations. Volume: Macro vs. Semi-Micro vs. Micro Macro cuvettes (1&ndash;4 mL) are the standard for routine spectrophotometry. Semi-micro cuvettes (0.5&ndash;1.5 mL) reduce sample consumption. Micro cuvettes (10&ndash;350 &micro;L) are used when sample volume is limited; sub-micro cuvettes (10 &micro;L or less) suit precious clinical or research samples. Confirm that your spectrophotometer's beam height and aperture are compatible with the cuvette format before purchasing micro formats. Two-Window vs. Four-Window Standard cuvettes have two optically clear windows (the light-entry and exit faces) and two frosted or ribbed side walls for gripping. Four-window (all-clear) cuvettes are required for fluorescence measurements at 90&deg; to the excitation beam &mdash; the two additional clear windows allow emitted fluorescence to exit perpendicular to the excitation path. Confirm whether your instrument requires a standard or fluorescence-grade cuvette. Reusable vs. Disposable Quartz and glass cuvettes are reusable; their higher up-front cost&nbsp;is justified for low-throughput precision work or when solvents or UV wavelengths are required. Plastic cuvettes cost fractions of a cent per use and eliminate washing time in high-throughput assay workflows. Select disposable plastic for any routine colorimetric assay (Bradford, BCA, ELISA plate reader backup, OD600 bacterial growth) where wavelengths stay in the visible range. 
<h2 dir="ltr"> Specifications Context</h2>
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The 10 mm path length standard cuvette has internal dimensions of 10 &times; 10 mm cross-section and an internal height of approximately 45 mm. Outer dimensions are 12.5 &times; 12.5 mm, fitting all standard spectrophotometer cell holders. Window parallelism tolerance is &plusmn;0.01 mm for precision quartz cuvettes; standard optical glass cuvettes have &plusmn;0.1 mm tolerance. Light transmission through UV quartz: &gt;90% at 220 nm and &gt;85% at 200 nm. For nucleic acid quantification, a UV quartz cuvette with a minimum path length of 10 mm is required for OD 260/280 measurements; the ratio of OD260/OD280 should be 1.8&ndash;2.0 for pure DNA and 1.9&ndash;2.1 for pure RNA as a purity indicator. As of 2026, plastic disposable cuvettes remain the most cost-efficient choice for labs running &gt;50 absorbance readings per day in the visible range.
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Need the right fit? MBP can guide you to cuvettes that match your workflow perfectly. For institutional pricing and PO-based bulk ordering, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">contact MBP</a>&nbsp;directly.

5145-Group-Analyzer Consumables Catalog

Cuvettes for Mindray® BS200 & BS300

5145 by Globe Scientific is a polystyrene cuvette segment for Mindray® BS200 and BS300 chemistry analyzers, individually wrapped. Supplied 1/package, 250/box, 1,000/case. A third-party alternative to OEM Mindray cuvettes for high-volume clinical chemistry labs.

Manufacture

MINDRAY: Cuvette Segment for Mindray BS200 analyzer, 1/pk, 250/Box, 1000/Unit, CS/1000

MINDRAY: Cuvette Segment for Mindray BS300 analyzer, 1/pk, 250/Box, 1000/Unit, CS/1000

Storage Boxes & Racks

<h2 data-section-id="1hv97bw" data-start="0" data-end="47">What Are Laboratory Storage Boxes and Racks?</h2>
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Laboratory storage boxes and racks are essential organizational systems used to store, organize, and protect cryogenic vials, microcentrifuge tubes, centrifuge tubes, and microscope slides across freezers, cold rooms, and benchtop environments. Storage boxes are typically lidded, grid-based containers used for long-term sample organization in ultra-low temperature conditions, while racks are open-frame supports used for active handling during laboratory workflows such as pipetting, vortexing, and reaction setup.
Cryogenic storage boxes are commonly designed to hold 81 vials (9&times;9 format) or 100 vials (10&times;10 format), and are compatible with storage conditions ranging from &ndash;196 &deg;C in liquid nitrogen vapor phase to +121 &deg;C for autoclave sterilization (depending on material). Tube racks, on the other hand, provide stable upright positioning of tubes during active benchwork and are not primarily intended for long-term freezer storage.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Cryogenic storage boxes for vials and microtubes
</li>
<li dir="ltr" aria-level="1">
Freezer storage boxes for -20&deg;C and -80&deg;C applications
</li>
<li dir="ltr" aria-level="1">
PCR tube racks for 0.2 mL tubes and strips
</li>
<li dir="ltr" aria-level="1">
Microcentrifuge tube racks for 0.5 mL to 2 mL tubes
</li>
<li dir="ltr" aria-level="1">
Polypropylene (PP) autoclavable storage boxes
</li>
<li dir="ltr" aria-level="1">
Stackable storage boxes for space-saving organization
</li>
<li dir="ltr" aria-level="1">
Hinged lid storage boxes for secure sample protection
</li>
<li dir="ltr" aria-level="1">
Color-coded racks for easy sample identification
</li>
</ul>
&nbsp;
<h2 data-section-id="flyrii" data-start="1159" data-end="1199">How to Choose Storage Boxes and Racks</h2>
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Vial Format and Capacity
The first selection criterion is compatibility with tube size and grid layout. The most common format is the 81-place (9&times;9) box designed for 1.0&ndash;2.0 mL cryovials. Smaller or specialized formats may accommodate 5 mL tubes or different vial diameters depending on grid spacing. Proper matching ensures secure fit, easy retrieval, and consistent sample organization in high-density storage systems.
Temperature Range
Material selection determines allowable storage conditions. Polycarbonate cryogenic boxes are the most versatile, supporting temperatures from liquid nitrogen levels (&ndash;196 &deg;C) through &ndash;80 &deg;C freezer storage and up to autoclave sterilization at +121 &deg;C. Cardboard freezer boxes with moisture-resistant coating are designed for economical freezer storage and can withstand ultra-low temperatures, but they are not suitable for autoclaving or long-term moisture exposure.
Tube Rack Materials and Use
Polypropylene racks are widely used because they are autoclavable and chemically resistant, making them suitable for sterile workflows. ABS and polystyrene racks provide lower-cost alternatives for general laboratory bench use but are not designed for autoclave conditions. For freezer organization, stainless steel racks are often used to hold multiple cryoboxes within &ndash;80 &deg;C upright freezer systems, improving accessibility and spatial organization.
Slide Storage Boxes
Microscope slide storage boxes are designed to protect standard 25 &times; 75 mm slides. They are available in 25-, 50-, and 100-slide capacities. Polypropylene versions are autoclavable and suitable for sterilized workflows, while fiberboard or ABS versions are typically used for room-temperature archival storage and transport.
Color Coding and Sample Identification
Color-coded storage boxes are widely used in biobanking and high-throughput laboratories to quickly differentiate sample groups without opening boxes or reading labels at freezer temperatures. Common systems include multiple lid colors paired with alphanumeric grids inside the box, enabling precise sample tracking and retrieval in large inventories.
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<h2 data-section-id="1jl751w" data-start="4067" data-end="4092">Specifications Context</h2>
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Modern polycarbonate cryogenic storage boxes are engineered for extreme temperature stability, typically rated from &ndash;196 &deg;C to +121 &deg;C, allowing use across liquid nitrogen vapor phase storage, &ndash;80 &deg;C freezers, and autoclave sterilization cycles. Cardboard freezer boxes are coated to resist moisture ingress and are optimized for cost-efficient high-density storage in ultra-low temperature environments.
The 81-place (9&times;9 grid) polycarbonate cryobox remains the standard format in most biorepositories and clinical research facilities due to its compatibility with SBS footprint freezer systems and automated inventory tracking workflows. These systems are widely used in genomics, cell banking, and pharmaceutical research environments.
For product details, specifications, or bulk ordering support, <a href="https://mbpinc.net/contact-us">the MBP team can help you</a> choose the right storage solution for your laboratory needs.

Brochure

Cylinder with Cap for Pipettes, 82 x 426mm

600592 by Globe Scientific — PP cylinder with tight-fitting cap for upright pipette storage. 82 mm diameter × 426 mm height, welded flanged base. Protects serological pipette tips from dust and chipping. Sold individually.

Compound Microscopes

<h2>What Are Compound Microscopes?</h2>
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A compound microscope forms a magnified image through two sequential lens systems: the objective lens (positioned close to the specimen) provides the primary magnification; the eyepiece (ocular) lens further magnifies the image from the objective, producing a final image that the eye or camera receives. Magnification is the product of the objective magnification and the eyepiece magnification (e.g., 40x objective x 10x eyepiece = 400x total). The transmitted light illumination system (Koehler illumination) passes light from below through the thin specimen mounted on a glass slide, through the objective, and to the eyepiece. This optical configuration provides the highest resolving power of any routine light microscope type, with resolution determined by the numerical aperture (NA) of the objective and the wavelength of light used. Routine brightfield compound microscopes with 4x, 10x, 40x, and 100x (oil) objectives and 10x eyepieces cover 40x to 1000x total magnification. Phase contrast models add a phase ring in the condenser matched to each objective, enabling contrast of unstained transparent cells. Fluorescence models add an epi-fluorescence port and filter cube turret for imaging immunofluorescence-labeled sections and fluorescent markers. Choose a compound microscope for examination of specimens that have been prepared as thin slides, stained sections, or smears; it is the standard instrument for histology, clinical microbiology, hematology, and fixed-tissue fluorescence imaging.
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<h2 class="PDq2pG_selectionAnchorContainer" data-section-id="bxblbi" data-start="0" data-end="23">What You Will Find:</h2>
&nbsp;
<ul data-start="25" data-end="588" data-is-last-node="" data-is-only-node="">
<li data-section-id="wnrw34" data-start="25" data-end="136">
BioBlue&trade; and bScope&reg; Compound Microscopes for routine biological, educational, and laboratory microscopy.
</li>
<li data-section-id="1ybdsx8" data-start="137" data-end="238">
iScope&reg; Research Microscopes with Plan and E-Plan optics for high-quality imaging and analysis.
</li>
<li data-section-id="g8b9ar" data-start="239" data-end="350">
Phase Contrast Microscopes for enhanced observation of transparent, unstained specimens and living cells.
</li>
<li data-section-id="ijdsh0" data-start="351" data-end="446">
LED Fluorescence Microscopes for fluorescence-based cell and tissue imaging applications.
</li>
<li data-section-id="vrizlz" data-start="447" data-end="588" data-is-last-node="">
Specialized Systems, including polarization microscopes and anatomopathology microscopes for advanced research and diagnostic workflows.
</li>
</ul>
&nbsp;
<h2>How to Choose a Compound Microscope</h2>
&nbsp;
Brightfield vs. phase contrast vs. fluorescence
Brightfield compound microscopes are the entry-level configuration, adequate for stained tissue sections, Gram-stained bacterial smears, blood smears, and all applications where contrast comes from staining rather than optical manipulation. Phase contrast is required for observation of unstained, living, or lightly fixed cells, where inherent contrast is too low for brightfield, common in microbiology, parasitology, and cytology. Fluorescence (epi-fluorescence) is required for DAPI nuclear staining, immunofluorescence (IF) labeling, FISH assays, and fluorescent reporter protein imaging in fixed cells.
Objective quality: plan-achromat vs. plan-apochromat
Plan-achromat objectives correct for chromatic aberration at two wavelengths and are flat (plan) across the field, suitable for routine brightfield and basic fluorescence imaging. Plan-apochromat objectives correct for chromatic aberration at three or more wavelengths and provide superior color fidelity and fluorescence flatness across the full field, required for multi-channel fluorescence imaging, quantitative image analysis, and publication-quality fluorescence documentation. Plan-apochromat sets cost significantly more than plan-achromat sets; specify them when fluorescence image quality and accurate color reproduction matter.
Magnification set
A standard objective set for a research compound microscope: 4x (NA 0.10) for tissue overview; 10x (NA 0.30) for histological pattern assessment; 20x (NA 0.50) for cellular detail without immersion; 40x dry (NA 0.65 to 0.75) for detailed cell morphology; 63x or 100x oil immersion (NA 1.25 to 1.40) for highest-resolution organelle imaging and bacteria identification. For clinical microbiology, 100x oil is the standard for bacterial identification. For routine histology, 10x and 40x are the most used.
Illumination: LED vs. halogen
LED transmitted light illumination is now standard on most new compound microscopes, providing 50,000+ hour lamp life, instant-on operation, no color temperature shift over lifetime, and significantly lower power consumption than halogen. Halogen (6V 30W or 12V 100W) remains in use on older instruments and some entry-level models and requires bulb replacement every 50 to 200 hours. For new purchases, specify LED illumination.
Camera port and documentation
A trinocular head with a C-mount camera port is standard for documentation in research labs. The camera beam splitter on research-grade microscopes maintains eyepiece brightness while splitting a portion of the light to the camera; entry-level trinoculars may dim the eyepiece view when the camera port is in use. A CMOS or CCD camera is required; confirm the camera's pixel size against the objective magnification and required image resolution for your intended analysis.
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<h2>Specifications Context</h2>
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Oil immersion objectives (63x NA 1.40, 100x NA 1.40) require immersion oil between the objective front lens and the coverslip to achieve their rated NA. Confirm that the coverslip thickness is No. 1.5 (0.17 mm); most plan-apochromat objectives are corrected for this standard thickness. Non-standard coverslip thickness introduces spherical aberration that degrades resolution and fluorescence image quality. For routine use in clinical microbiology or hematology where high-throughput slide processing is needed, wide-field eyepieces (22 mm field number) reduce the number of microscope fields needed to survey the full slide area, improving throughput.&nbsp;
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<a href="https://mbpinc.net/contact-us">Contact the MBP team </a>to discuss product availability or get selection guidance.

EDX-1053-PLI-Microscopes-Catalog

EDX-1053-PLI-TDS-EDX-1053-PLI

EDX-1053-PLI-Choosing-a-Microscope-Made-Easy

Delphi-X Observer for anatomopathology, trinocular microscope with SWF 10x/25mm Ø 30mm eyepieces, plan PLi 4/10/20/S40x IOS objectives, EIS 60mm parfocal, 190 x 152mm stage with 78 x 32mm mechanical stage and 3W NeoLED™ illumination

EDX-1053-PLI by Euromex is the Delphi-X Observer trinocular anatomopathology microscope with SWF 10×/25 mm eyepieces, Plan PLi IOS 4×/10×/20×/S40× objectives (60 mm parfocal), a 190 × 152 mm Gorilla Glass stage, 3W NeoLED™ Köhler illumination, and a 100:0/80:20/0:100 phototube selector. CE marked, 10-year warranty.

Head

Eyepiece

Nosepiece

Objective (60mm parafocal)

Stage

Condenser

Illumination

Test Tubes

<h2 dir="ltr">What are Test Tubes?</h2>
 Test tubes for laboratory use are open-ended, cylindrical glass or plastic tubes used to hold, mix, incubate, and heat liquid and solid samples across a broad range of applications: bacteriological culture, tissue culture, clinical chemistry, serological assays, immunology, and general sample processing. Choose borosilicate glass for reusable, high-temperature, or chemically demanding applications; choose polystyrene disposable 12&times;75 mm tubes for flow cytometry and colorimetric assays; choose polypropylene capped tubes for microbial culture with anaerobic or gas-generating organisms.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">Glass test tubes in diverse formats for heating and chemical reaction workflows</li>
<li dir="ltr" aria-level="1">
Plastic polypropylene test tubes for routine laboratory use
</li>
<li dir="ltr" aria-level="1">
Graduated tubes for quick and easy volume estimation
</li>
<li dir="ltr" aria-level="1">
Conical and round-bottom tube formats for different applications
</li>
<li dir="ltr" aria-level="1">
Sterile disposable test tubes for clinical and diagnostic work
</li>
<li dir="ltr" aria-level="1">
Heat-resistant tubes for incubation and controlled heating steps
</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Test Tubes</h2>
 Material: Glass vs. Polypropylene vs. Polystyrene Borosilicate glass 3.3 (ASTM E438 Type I, Class B) test tubes withstand direct flame, autoclave sterilization at 121 &deg;C, and most solvents, acids, and bases. They are reusable and autoclavable, making them cost-effective over high-volume laboratory runs. Polystyrene (PS) disposable tubes offer outstanding optical clarity for flow cytometry (FACS), cell counting, and OD-based colorimetric assays, but cannot be autoclaved and should not be used with aromatic solvents or strong acids. Polypropylene (PP) tubes are chemically resistant, autoclavable, and available with screw caps for anaerobic culture or gas-generating reactions. Rimmed vs. Rimless Rimless test tubes (fire-polished ends) allow easier insertion of rubber or silicone stoppers and are preferred for plugging with cotton wool for microbial culture. Rimmed tubes have a flared lip that facilitates pouring and is compatible with spring-metal tube closures. Confirm your closure type before ordering in bulk. Size and Volume The most common test tube dimensions in clinical and research labs: 12&times;75 mm: ~5 mL capacity; standard for flow cytometry, FACS, serology 13&times;100 mm: ~10 mL; general culture and chemistry 16&times;100 mm: ~14 mL; culture and chemistry 16&times;125 mm: ~17 mL; microbiological culture 18&times;150 mm: ~25 mL; larger-volume digests and culture Wall thickness of 1.2 mm (light wall, borosilicate 3.3) is the standard for general lab use; heavy-wall versions are used for digestions and applications involving vacuum or pressure. Sterile vs. Non-Sterile Sterile borosilicate glass culture tubes (individually wrapped or bulk-sterilized) are required for microbial culture, cell culture, and any application where contamination would invalidate the result. Non-sterile tubes are adequate for chemistry, spectroscopy, and other abiotic applications. Disposable PS tubes from Corning (PYREX&trade;) and Globe Scientific are supplied sterile or non-sterile; confirm the specification on the lot certificate. 
<h2 dir="ltr"> Specifications Context</h2>
 Borosilicate glass 3.3 test tubes have a linear thermal expansion coefficient of 3.3 &times; 10⁻⁶ K⁻&sup1;, providing resistance to thermal shock from room temperature to 300 &deg;C (direct flame) and from 0 to 121 &deg;C (autoclave cycles). Light-wall tubes (1.2 mm uniform wall thickness) provide the standard for general laboratory use; heavy-wall variants (2.0 mm) are used for digestion vessels and pressurized applications. Corning PYREX&trade; disposable round-bottom rimless glass tubes for tissue culture conform to ASTM standards and are the reference format for bacteriological serology and cell wash procedures. MBP supplies Globe Scientific and NEST Scientific test tube lines for research and clinical labs across the USA, Canada, and worldwide. &nbsp; 
If you&rsquo;re choosing between glass and plastic or trying to match the right size to your workflow, it&rsquo;s worth getting that part right early &mdash; it makes everything downstream smoother and a lot less messy. <a href="https://mbpinc.net/contact-us">Contact the MBP team now!</a>

Flyer

118118-Tubes, Caps & Racks Catalog

Diamond Culture Tube Cap for Glass Culture Tubes, PP

The 118150B by Globe Scientific is a blue Diamond® DeLong-style polypropylene (PP) culture tube cap for 13 mm glass culture tubes — autoclavable, ridged for grip and controlled gas exchange, and color-coded for sample identification. Packed 100 per bag, 1,000 per carton.

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Blue, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Blue, 100/Bag

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Clear, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Clear, 100/Bag

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Blue, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Blue, 100/Bag

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Clear, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Clear, 100/Bag

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Blue, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Blue, 100/Bag

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Clear, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Clear, 100/Bag

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Blue, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Blue, 100/Bag

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Clear, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Clear, 100/Bag

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Blue, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Blue, 100/Bag

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Clear, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Clear, 100/Bag

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Green, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Green, 100/Bag

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Red, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Red, 100/Bag

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Yellow, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 13mm Glass Culture Tubes, PP, Yellow, 100/Bag

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Green, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Green, 100/Bag

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Red, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Red, 100/Bag

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Yellow, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 16mm Glass Culture Tubes, PP, Yellow, 100/Bag

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Green, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Green, 100/Bag

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Red, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Red, 100/Bag

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Yellow, 100/Bag, 10 Bags/Carton

Diamond Culture Tube Cap for 18mm Glass Culture Tubes, PP, Yellow, 100/Bag

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Green, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Green, 100/Bag

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Red, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Red, 100/Bag

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Yellow, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 20mm Glass Culture Tubes, PP, Yellow, 100/Bag

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Green, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Green, 100/Bag

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Red, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Red, 100/Bag

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Yellow, 100/Bag, 5 Bags/Carton

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, PP, Yellow, 100/Bag

Cryogenic Vials

<h2>What Are Cryogenic Vials?</h2>
&nbsp;
Cryogenic vials are specialized screw-cap laboratory containers manufactured from cryogenic-grade virgin polypropylene (PP) and designed to withstand extreme temperatures ranging from &minus;196&deg;C in liquid nitrogen storage to +121&deg;C during steam autoclaving. They serve as the primary storage vessel for biological materials requiring long-term preservation, including cell lines, serum, plasma, blood samples, DNA, RNA, microbial cultures, and other biospecimens. Common vial capacities include 1.2 mL, 1.5 mL, 1.8 mL, 2 mL, 3 mL, and 5 mL, with the 2 mL format being the most widely used standard for cell culture and biobanking applications. Most cryogenic vials feature leak-resistant screw caps with silicone sealing gaskets and dedicated writing areas for sample identification. For storage in liquid nitrogen, it is important to use vials specifically certified for cryogenic applications, as standard laboratory tubes are not designed to tolerate temperatures as low as &minus;196&deg;C.
&nbsp;
<h2>What You Will Find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/consumables/cryogenic-storage/cryogenic-vials/cryo-boxes" title="Cryo Boxes">Cryo Boxes:</a> High-durability polycarbonate storage systems with integrated grids for rapid, indexed sample retrieval in ultra-low environments.</li>
<li><a href="https://mbpinc.net/consumables/cryogenic-storage/cryogenic-vials/freezer-boxes" title="Freezer Boxes">Freezer Boxes:</a> Moisture-resistant and stackable organizers designed to maximize space and maintain thermal consistency within -20 degree celsius and -80 degree celsius freezers.</li>
<li><a href="https://mbpinc.net/consumables/cryogenic-storage/cryogenic-vials/externally-threaded-cryogenic-vials" title="Externally Threaded Cryogenic Vials">Externally Threaded Cryogenic Vials</a>: Designed with threads on the outside of the vial to minimize contamination risk and maximize the internal volume for sample storage.</li>
<li><a href="https://mbpinc.net/consumables/cryogenic-storage/cryogenic-vials/internally-threaded-cryogenic-vials" title="Internally Threaded Cryogenic Vials">Internally Threaded Cryogenic Vials</a>: Featuring a silicone O-ring seal and internal threads to provide the most secure, leak-proof closure for vapor-phase LN2 storage.</li>
</ul>
&nbsp;
<h2>How to Choose Cryogenic Vials</h2>
&nbsp;
Thread Type: Internal vs. External
Thread design influences both contamination control and workflow compatibility. Internal-thread vials position the sealing mechanism inside the neck of the vial, reducing the external surface area exposed to contaminants and making them a common choice for cell culture and biosafety-sensitive applications. External-thread vials place the threads on the outside of the vial neck, maximizing internal storage volume and improving compatibility with automated capping, decapping, and robotic handling systems. Laboratories using automated biobanking workflows often prefer external-thread formats.
Volume Selection
Vial capacity should match the intended sample type and storage requirements. The 1.8&ndash;2.0 mL size is commonly used for cell lines, serum aliquots, and general biospecimen storage because it fits standard cryogenic storage boxes. Smaller 1.2 mL formats support high-density storage of limited-volume samples, while larger 3&ndash;5 mL vials are suitable for tissue specimens, bacterial glycerol stocks, and applications requiring larger sample volumes.
Sterility and Purity Certification
For cell culture, molecular biology, and clinical research applications, cryogenic vials should be supplied with certifications confirming they are RNase-free, DNase-free, non-pyrogenic, and endotoxin-free. Many laboratories also prefer gamma-sterilized vials, which reduce contamination risk and eliminate the need for additional sterilization before use. Traceable lot documentation and certificates of conformity are often required in regulated environments.
Self-Standing vs. Round Bottom Designs
Self-standing cryogenic vials feature a molded base that allows them to remain upright on laboratory benches without additional support, reducing the risk of spills during sample handling. Round-bottom designs are compatible with a broader range of storage racks and cryogenic systems but generally require a rack or holder during bench-top use. The choice largely depends on laboratory workflow and storage equipment.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Cryogenic vials are typically manufactured from high-purity polypropylene because of its excellent durability and resistance to ultra-low temperatures. Products intended for liquid nitrogen immersion should carry explicit certification for liquid-phase storage, as some vials are approved only for vapor-phase applications. Vial dimensions, particularly outer diameter, determine compatibility with freezer boxes, racks, and automated storage systems, so measurements should be confirmed before mixing products from different manufacturers. Modern biobanking facilities increasingly use externally threaded, 2D-barcoded cryogenic vials integrated with laboratory information management systems (LIMS) to improve inventory tracking, sample traceability, and large-scale repository management.
Protect your research legacy. <a href="https://mbpinc.net/contact-us">Connect with the Molecular Biology Products Inc. team</a> for a custom quote on our complete cryogenic storage range.

3030-Group-Cryogenic Vial Comparison Guide

3030-Group-TDS 3030-1S

3030-Group-TDS 3030-2S

3030-Group-TDS 3030-4S

3030-Group-TDS 3030-5S

Diamond Essentials Cryogenic Vials Specifications

Diamond Essentials Cryogenic Vials with External Threads

3030 by Globe Scientific: Diamond Essentials cryogenic vials, virgin polypropylene, external threads, attached screwcap, self-standing star base. Available in 1.0, 2.0, 4.0, and 5.0 mL. Rated −196 °C to +121 °C, sterile, DNase/RNase/pyrogen free, leakproof to 85 kPa, 500/case.

Diamond Essentials Cryogenic Vials, 1.0mL, STERILE, External Threads, Attached Screwcap, Conical Bottom, Self-Standing, Printed Graduations, Writing Space, CS/500

Diamond Essentials Cryogenic Vials, 2.0mL, STERILE, External Threads, Attached Screwcap, Conical Bottom, Self-Standing, Printed Graduations, Writing Space, CS/500

Diamond Essentials Cryogenic Vials, 4.0mL, STERILE, External Threads, Attached Screwcap, Conical Bottom, Self-Standing, Printed Graduations, Writing Space, CS/500

Diamond Essentials Cryogenic Vials, 5.0mL, STERILE, External Threads, Attached Screwcap, Conical Bottom, Self-Standing, Printed Graduations, Writing Space, CS/500

Serological Pipettes

<h2 dir="ltr"> What Are Serological Pipettes?</h2>
 Serological pipettes are calibrated, graduated, sterile polystyrene disposable pipettes used with a motorised pipette controller to transfer measured volumes of liquid in the 1&ndash;100 mL range. They are the primary tool for cell culture media transfer, buffer preparation, reagent dispensing in volumes above 1 mL, and serial dilutions requiring volumetric accuracy in the millilitre range. They differ from aspirating pipettes &mdash; which have no graduations and are used only for vacuum-assisted waste removal &mdash; and from microcentrifuge tubes, which are not dispensing instruments. Serological pipettes are the correct format for any measured liquid transfer &ge;1 mL in cell culture or reagent preparation; pair them with a motorised pipette controller for safe, ergonomic operation. 
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">1 mL to 50 mL Serological Pipettes &ndash; Standard range for routine and high-volume liquid transfer</li>
<li dir="ltr" role="presentation">Glass Serological Pipettes &ndash; Reusable options for solvent resistance and durability</li>
<li dir="ltr" role="presentation">Sterile Serological Pipettes &ndash; Gamma-sterilized for aseptic laboratory use</li>
<li dir="ltr" role="presentation">Non-Sterile Serological Pipettes &ndash; Cost-effective option for general applications</li>
<li dir="ltr" role="presentation">Graduated Serological Pipettes &ndash; For accurate volume measurement and dispensing </li>
</ul>
&nbsp;
<h2>How to Choose Serological Pipettes</h2>
 Volume: Standard Sizes and ISO 7550 Colour Coding ISO 7550 assigns a specific colour code to each serological pipette volume: 1 mL = red; 2 mL = yellow; 5 mL = blue; 10 mL = orange; 25 mL = green; 50 mL = purple (pink/violet depending on supplier). Colour coding allows quick visual volume identification when multiple sizes are in use simultaneously in a BSC. Packaging: Individual Wrap vs Bulk Individually wrapped sterile pipettes are required for cell culture, molecular biology, and aseptic technique. Plastic/plastic peel-open packaging eliminates paper particulate from paper/plastic wrappers &mdash; important in sensitive cell culture applications and for RNA work. Bulk-packed (canister or bag) formats are cost-effective for non-sterile applications such as buffer preparation and reagent dispensing in fume hoods. Construction: 1-Piece vs 3-Piece 1 mL, 2 mL, and 5 mL serological pipettes are typically one-piece moulded polystyrene constructions. 10 mL, 25 mL, and 50 mL pipettes use 3-piece ultrasonically welded construction (Globe Scientific) for the body-to-cone and body-to-cap joints &mdash; essential for the structural integrity of larger formats under aspiration vacuum. Tip and Graduation Features Negative graduations (markings above the nominal maximum) allow volumes slightly above nominal to be read. Fine-point tips with slow drip-off improve pipetting accuracy during cell culture media transfers. Some brands offer Wobble-not-style pipettes with reduced barrel flex for easier single-hand operation. Filter Plug Material Cotton filter plugs are standard; synthetic plugs (polyethylene or polypropylene) are preferred when processing organic solvents or any media that might wick through a cotton plug.
<h2 dir="ltr"> Compare Serological Pipette Volumes </h2>
&nbsp;
<ul>
<li>1 mL &ndash; Red ISO 7550 colour, 1-piece construction, 0.01 mL graduations; used for small-volume media transfer.</li>
<li>2 mL &ndash; Yellow ISO 7550 colour, 1-piece construction, 0.1 mL graduations; used for buffer preparation.</li>
<li>5 mL &ndash; Blue ISO 7550 colour, 1-piece construction, 0.1 mL graduations; used for media preparation and dilutions.</li>
<li>10 mL &ndash; Orange ISO 7550 colour, 3-piece construction, 0.1 mL graduations; used for flask media changes.</li>
<li>25 mL &ndash; Green ISO 7550 colour, 3-piece construction, 0.5 mL graduations; used for bulk media dispensing.</li>
<li>50 mL &ndash; Purple ISO 7550 colour, 3-piece construction, 1.0 mL graduations; used for large flask media changes.</li>
</ul>
<h2 dir="ltr"> Specifications Context</h2>
 Serological pipettes are manufactured from optically clear virgin polystyrene in Class 100,000 cleanroom conditions. Sterility: individually wrapped pipettes are EO-sterilised to SAL 10⁻⁶; non-pyrogenic, non-cytotoxic, DNase-free, and RNase-free per lot. ISO 7550 defines colour coding for serological pipettes; many US suppliers follow this standard, though it is not universally mandated. Calibrated to deliver (TD) with blow-out (marked with a double band or 'TD' marking) &mdash; all liquid must be expelled from the tip for accurate delivery. Globe Scientific, Nest Scientific, and Falcon remain the dominant serological pipette brands in North American cell culture labs.&nbsp; 
&nbsp;
Improve consistency and reduce handling variation with reliable serological pipette solutions. Request a quote from <a href="https://mbpinc.net/contact-us">the expert team at Molecular Biology Products Inc. (MBP).</a>

Diamond Essentials™ Serological Pipettes Specifications

Diamond Essentials™ Serological Pipettes

1702 by Globe Scientific is a 1mL Diamond Essentials™ serological pipette in optically clear USP Class VI polystyrene, gamma-irradiated to SAL 10⁻⁶, DNase-free, RNase-free, endotoxin-free, with an anti-drip tip, barrier filter plug, reverse graduations (±2% accuracy), and yellow color-band ID. Fits all major pipette controllers. 500/case (100/bag × 5 bags). Made in an ISO 9001:2008 facility, Class 100,000 cleanroom.

Serological Pipette, Diamond Essentials, 2mL, PS, Standard Tip, 275mm, STERILE, Green Band, Individually Wrapped, 100/Bag, 5 Bags/Unit

Serological Pipette, Diamond Essentials, 5mL, PS, Standard Tip, 342mm, STERILE, Blue Band, Individually Wrapped, 50/Bag, 4 Bags/Unit

Serological Pipette, Diamond Essentials, 10mL, PS, Standard Tip, 345mm, STERILE, Orange Band, Individually Wrapped, 50/Bag, 4 Bags/Unit

Serological Pipette, Diamond Essentials, 25mL, PS, Standard Tip, 345mm, STERILE, Red Band, Individually Wrapped, 50/Bag, 4 Bags/Unit

Serological Pipette, Diamond Essentials, 50mL, PS, Standard Tip, 345mm, STERILE, Purple Band, Individually Wrapped, Paper/Plastic, 25/Bag, 4 Bags/Unit

Serological Pipette, Diamond Essentials, 1mL, PS, Standard Tip, 275mm, STERILE, Yellow Band, Individually Wrapped, 100/Bag, 5 Bags/Unit

Centrifuge Tubes

<h2>What Are Centrifuge Tubes?</h2>
 Centrifuge tubes are cylindrical laboratory containers with caps that are used to separate, pellet, and store biological or chemical samples through centrifugal force. They are commonly made from polypropylene (PP) or polystyrene (PS) and are available in sizes ranging from small 0.5 mL microtubes to larger 50 mL conical tubes. These tubes are widely used for cell pelleting, protein precipitation, DNA and RNA extraction, tissue homogenate clarification, and long-term sample storage. Depending on the material, they can withstand temperatures from &minus;80 &deg;C to +121 &deg;C.
In short, the best centrifuge tube depends on your centrifuge rotor, required g-force, sample volume, and sterility needs. 
<h2>What You Will Find: </h2>
<ul>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes" title="All Centrifuge Tubes">All Centrifuge Tubes</a>: Comprehensive selection of 15 mL and 50 mL conical tubes with clear graduations for daily lab workflows.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/oak-ridge-style-centrifuge-tubes" title="Oak Ridge Style Centrifuge Tubes">Oak Ridge Style Centrifuge Tubes</a>: High-speed, chemical-resistant tubes designed to withstand extreme RCF without deformation.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/centrifuge-bottles" title="Centrifuge Bottles">Centrifuge Bottles</a>: Heavy-duty, larger-capacity vessels engineered for bulk sample processing and high-velocity runs.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes" title="Large Volume Centrifuge Tubes">Large Volume Centrifuge Tubes</a>: Industrial-strength 250 mL and 500 mL tubes optimized for pilot-scale harvesting and bioprocessing.</li>
</ul>
&nbsp;
<h2>How to Choose Centrifuge Tubes</h2>
 Volume and Rotor Compatibility
Select a tube size that matches both your sample volume and centrifuge rotor. Microtubes ranging from 0.5&ndash;2 mL are commonly used in microcentrifuges and can typically handle speeds up to 20,000 &times; g. Midi tubes in the 5&ndash;10 mL range are suitable for intermediate sample volumes, while 15 mL and 50 mL conical tubes are commonly used in clinical, research, and preparative centrifuges.
Material: Polypropylene vs. Polystyrene
Polypropylene (PP) tubes offer excellent chemical resistance and can tolerate temperatures from &minus;80 &deg;C to +121 &deg;C. They are suitable for autoclaving and exposure to many laboratory solvents. Polystyrene (PS) tubes provide superior optical clarity, making it easier to visually inspect samples and liquid levels, but they have lower resistance to solvents and extreme temperatures.
Sterility and Contamination Control
Sterile centrifuge tubes are typically gamma- or E-beam-irradiated and certified free of RNase, DNase, and pyrogens. These tubes are recommended for RNA extraction, cell culture, and clinical applications where contamination must be minimized. Non-sterile tubes may still be RNase- and DNase-free and are often suitable for routine DNA work and general sample storage.
Cap Design
Attached screw caps help prevent cap mix-ups and sample contamination, especially in high-throughput laboratories. Separate caps can be quicker to open and may be preferred in workflows that require frequent access to samples. If tubes will be used with automated systems, cap dimensions should be verified for compatibility with liquid handling equipment.
Packaging Options
Racked tubes provide convenient organization and allow direct pipetting while the tubes remain in the rack. Bulk-bagged tubes offer a more economical option for laboratories that process large volumes of samples and already have tube storage systems in place.
<h2> Comparing Common Centrifuge Tube Types</h2>
 Microtubes (0.5&ndash;2 mL) are ideal for PCR preparation, microcentrifuge applications, and storage of small sample volumes. They can generally withstand centrifugal forces up to 20,000 &times; g.
Midi tubes (5&ndash;10 mL) are designed for intermediate sample volumes such as culture supernatants and can typically tolerate forces up to 16,000 &times; g.
Sterile 15 mL conical tubes are frequently used for cell pelleting, RNA extraction, and clinical sample processing, with typical ratings between 12,000 and 15,000 &times; g.
Sterile 50 mL conical tubes are commonly selected for larger-volume applications including tissue culture work, density gradient preparation, and large-scale sample processing.
Polystyrene conical tubes in 15 mL and 50 mL formats are often chosen when visual sample inspection is important and solvent exposure is minimal.
<h2> Specifications and Features</h2>
 Polypropylene centrifuge tubes from Globe Scientific and Nest Scientific are manufactured from USP Class VI virgin resin and do not contain plasticizers or processing additives. Sterile products are typically irradiated to achieve a sterility assurance level (SAL) of 10⁻⁶. Most 15 mL tubes feature graduation marks at 1 mL intervals, while 50 mL tubes are usually graduated every 5 mL. MBP offers both bagged and racked centrifuge tube formats, including 15 mL and 50 mL conical tubes as well as smaller microtube and midi tube options.
MBP supports procurement departments by accepting purchase orders and offering institutional pricing for qualified high-volume customers. <a href="https://mbpinc.net/contact-us">Contact the MBP team today</a> for a customized quote.

<h2 data-section-id="1k6o3gy" data-start="0" data-end="50">What Are Midicentrifuge Tubes (5 mL and 10 mL)?</h2>
&nbsp;
Midicentrifuge tubes are polypropylene conical tubes available in 5 mL and 10 mL capacities, designed for laboratory workflows that require sample volumes larger than standard microtubes but smaller than traditional 15 mL conical tubes. These tubes provide an efficient solution for intermediate-volume applications and are commonly used in cell culture, protein purification, gradient fraction collection, virus concentration, and clinical specimen processing.
By filling the gap between 2 mL microcentrifuge tubes and 15 mL conical tubes, midi tubes help optimize sample handling and centrifugation efficiency while reducing unnecessary tube volume and excess headspace.
Midicentrifuge tubes are ideal for sample volumes between approximately 2 mL and 12 mL, especially when a 15 mL conical tube is too large for the application or incompatible with the available rotor setup.
&nbsp;
<h2 dir="ltr">What you will find in this section:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">Sterility options: Sterile (for sensitive work) &amp; Non-sterile (for routine use)</li>
</ul>
<ul>
<li dir="ltr" aria-level="1">
Bag packed: Economical, space-saving
</li>
<li dir="ltr" aria-level="1">
Racked: Organized, ready-to-use
</li>
</ul>
<ul>
<li dir="ltr" aria-level="1">
Attached screw cap: No mix-ups, convenient
</li>
<li dir="ltr" aria-level="1">
Assembled screw cap: Pre-fitted, time-saving
</li>
<li dir="ltr" aria-level="1">
Separate screw cap: Flexible handling for workflows
</li>
</ul>
&nbsp;
<h2 data-section-id="1vogm0p" data-start="945" data-end="982">How to Choose Midicentrifuge Tubes</h2>
&nbsp;
Selecting the Appropriate Volume
The choice between 5 mL and 10 mL tubes depends on the volume of your samples and workflow requirements.
5 mL midi tubes are well suited for applications involving smaller sample volumes, typically below 4.5 mL. They minimize excess headspace and can improve pellet formation during lower-speed centrifugation procedures.
10 mL midi tubes are commonly used for larger intermediate-volume applications, including culture supernatant collection, protein purification workflows, and virus concentration protocols requiring volumes between 6 mL and 10 mL.
Rotor Compatibility
Before purchasing midi tubes, verify that your centrifuge rotor or adapter system is designed to accommodate 5 mL or 10 mL formats. While many benchtop centrifuges support these tubes through dedicated adapters, compatibility varies by manufacturer and rotor model.
The standard dimensions of Globe Scientific 10 mL centrifuge tubes are compatible with many commonly used conical tube adapters found in research and clinical laboratories.
Sterility and Cap Design
Sterile midi tubes with attached screw caps are recommended for cell culture, clinical specimens, and applications where contamination control is essential. Attached caps also reduce the risk of sample mix-ups and accidental contamination.
Non-sterile tubes with separate caps may offer a more economical option for routine laboratory procedures where sterility is not required.
Packaging Considerations
Most midi tubes are supplied in bagged packaging rather than racks. A common configuration includes 100 tubes per bag, making them suitable for laboratories that process moderate to high sample volumes. Reviewing expected usage rates can help determine appropriate ordering quantities and inventory levels.
&nbsp;
<h2 data-section-id="um8esp" data-start="2800" data-end="2829">Compare Midi Tube Variants</h2>
&nbsp;
10 mL Polypropylene Midi Tubes with Attached Screw Caps These sterile tubes are commonly used for clinical specimens, cell culture supernatants, and protein purification workflows. The attached cap design enhances sample security and handling convenience.
5 mL Polypropylene Midi Tubes with Attached Caps Available in sterile and non-sterile formats, these tubes are suitable for gradient fraction collection, low-volume sample preparation, and intermediate-volume centrifugation procedures.
Non-Sterile Midi Tubes with Separate Caps Designed for routine laboratory applications where contamination control is less critical, these tubes provide a cost-effective option for general-purpose centrifugation workflows.
&nbsp;
<h2 data-section-id="1ezckh3" data-start="3567" data-end="3597">Specifications and Features</h2>
&nbsp;
Globe Scientific midicentrifuge tubes are manufactured from high-quality polypropylene and are certified RNase-free and DNase-free. The conical-bottom design promotes efficient sample recovery and pellet formation, while the polypropylene construction provides excellent chemical resistance and temperature stability from &minus;80 &deg;C to +121 &deg;C.
Sterile 10 mL Globe Scientific tubes are supplied with attached screw caps and are commonly packaged with 100 tubes per bag. Globe Scientific operates under ISO 9001:2015 quality standards to ensure consistent manufacturing and product performance.
MBP carries Globe Scientific 10 mL midicentrifuge tubes and may offer additional 5 mL options depending on current inventory availability.
Have questions about the best fit for your workflow?&nbsp;<a href="https://mbpinc.net/contact-us">Contact the Molecular Biology Products Inc. team </a>for a quick quote.

Midicentrifuge Tubes (5ml & 10ml)

<h2 data-section-id="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
&nbsp;
The All Centrifuge Tubes collection includes the complete range of tube sizes commonly used in research, clinical, and laboratory environments. These tubes range from small 0.5 mL and 1.5&ndash;2 mL microtubes used in microcentrifuge applications to 5 mL and 10 mL midi tubes for intermediate sample volumes, as well as 15 mL and 50 mL conical tubes designed for cell culture, density gradient preparation, and larger-volume sample processing. They are available in polypropylene (PP) for enhanced chemical resistance and temperature tolerance or polystyrene (PS) for improved optical clarity.
&nbsp;
What you will find:
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
&nbsp;
<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
&nbsp;
Volume and Rotor Compatibility
Selecting the correct tube size is essential for safe and efficient centrifugation. Microtubes ranging from 0.5&ndash;2 mL are designed for microcentrifuges, while 5&ndash;10 mL midi tubes fit compatible benchtop centrifuge rotors. Larger 15 mL and 50 mL conical tubes are commonly used in clinical and research centrifuges. Always verify rotor compatibility before introducing a new tube format into your workflow.
Sterility Requirements
For sensitive applications such as RNA extraction, cell culture, and clinical diagnostics, sterile tubes certified free of RNase, DNase, and pyrogens are recommended. Non-sterile tubes can provide a cost-effective solution for routine DNA analysis, protein assays, and general sample storage where sterility is not critical.
Material Selection
Polypropylene tubes offer excellent durability, can be autoclaved at 121 &deg;C, and resist many laboratory chemicals and solvents. Polystyrene tubes provide superior transparency, making it easier to monitor liquid levels and sample contents, although they are less resistant to heat and solvents.
Packaging and Inventory Planning
Microtubes are commonly available in pack sizes ranging from 500 to 1,000 units, while 15 mL and 50 mL conical tubes are often supplied in cases of 500. Laboratories with consistent usage may benefit from establishing recurring purchase orders to ensure uninterrupted supply.
&nbsp;
<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
&nbsp;
Microtubes (0.5&ndash;2 mL) are primarily used for PCR preparation, microcentrifuge applications, and storage of small sample volumes. These are typically manufactured from polypropylene and are available in pack sizes of 500&ndash;1,000 units.
Midi tubes (5&ndash;10 mL) support intermediate-volume centrifugation and supernatant collection. They are commonly made from polypropylene and supplied in packs ranging from 100&ndash;500 units.
15 mL conical tubes are widely used for cell pelleting, RNA isolation, and clinical sample processing. They are available in both polypropylene and polystyrene formats and are generally packaged in cases of 500.
50 mL conical tubes are designed for larger-volume workflows, including tissue culture, density gradient preparation, and sample processing. Like 15 mL tubes, they are available in polypropylene and polystyrene and are commonly sold in cases of 500.
&nbsp;
<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
&nbsp;
Globe Scientific and Nest Scientific centrifuge tubes are manufactured from USP Class VI virgin polypropylene or polystyrene resin and are certified free from detectable RNase, DNase, and pyrogens. Sterile products are irradiated using gamma or E-beam methods to achieve a sterility assurance level (SAL) of 10⁻⁶. MBP offers both racked and bagged formats for 15 mL and 50 mL conical tubes, along with dispenser-box options for selected microtube product lines that support efficient use in high-throughput laboratory environments.
For procurement teams, MBP accepts purchase orders and offers institutional pricing for bulk and high-volume purchases. <a href="https://mbpinc.net/contact-ushttps://mbpinc.net/contact-us" title="Contact the MBP team" style="color: #236fa1;">Contact the MBP team</a> today to learn more

All Centrifuge Tubes

Diamond Midi 5mL Screw Cap Centrifuge Tubes

111580 by Globe Scientific are Diamond™ Midi 5 mL PP Screw Cap Centrifuge Tubes — rated to 25,000 × g, RNase-free, DNase-free, pyrogen-free, optimized for 2–5 mL sample volumes. Available sterile and non-sterile.

Diamond Midi Centrifuge Tube, 5.0mL, PP, Separate Red Screw Cap, Graduated, 100 of Each/Bag, 5 Bags of Each/Carton, CS/500

Diamond Midi Centrifuge Tube, 5.0mL, PP, Separate Blue Screw Cap, Graduated, 100 of Each/Bag, 5 Bags of Each/Carton, CS/500

Diamond Midi Centrifuge Tube, 5.0mL, PP, Assembled Red Screw Cap, Graduated, STERILE, 25/Cardboard Rack, 20 Racks/Unit, CS/500

Diamond Midi Centrifuge Tube, 5.0mL, PP, Assembled Blue Screw Cap, Graduated, STERILE, 25/Cardboard Rack, 20 Racks/Unit, CS/500

Diamond Midi Centrifuge Tube, 5.0mL, PP, Assembled Red Screw Cap, Graduated, STERILE, 20/Bag, 10 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Assembled Blue Screw Cap, Graduated, STERILE, 20/Bag, 10 Bags/Unit, CS/2000

<h2 data-section-id="132783j" data-start="0" data-end="34">What Are Microcentrifuge Tubes?</h2>
&nbsp;
Microcentrifuge tubes are small-volume polypropylene or low-binding polypropylene vessels available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. They are designed for use in fixed-angle and variable-speed microcentrifuges and are commonly used for sample preparation, DNA and RNA isolation, protein purification, enzyme reaction setup, and cryogenic sample storage. Depending on the application, these tubes are available with either hinged snap caps or threaded screw caps that help protect samples from leakage, contamination, and evaporation during centrifugation and storage.
Microcentrifuge tubes are essential consumables in molecular biology, biochemistry, clinical chemistry, proteomics, and genomics laboratories. Among all formats, the 1.5 mL snap-cap tube remains the most widely used microcentrifuge tube in routine molecular biology workflows.
Use 1.5 mL snap-cap polypropylene tubes for general molecular biology applications, 2.0 mL tubes for bead-based extraction and precipitation workflows, screw-cap tubes for volatile or valuable samples, and low-binding tubes for dilute proteins or nucleic acids.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
0.5mL, 0.6mL, 1.5mL, 2.0mL, 5.0mL (for small-volume to high-volume applications)
</li>
</ul>
<ul>
<li dir="ltr" aria-level="1">
Tubes only: Snap-cap, one-hand use
</li>
<li dir="ltr" aria-level="1">
O-ring caps: Leak-proof, secure seal
</li>
<li dir="ltr" aria-level="1">
Sterile: RNase/DNase-free for sensitive work
</li>
<li dir="ltr" aria-level="1">
Non-sterile: Cost-effective for general use
</li>
</ul>
&nbsp;
<h2 data-section-id="1yp6iwa" data-start="1166" data-end="1204">How to Choose Microcentrifuge Tubes</h2>
&nbsp;
Volume: 0.5 mL / 1.5 mL / 2.0 mL
&nbsp;0.5 mL tubes minimize dead volume for concentrated or precious samples and fit compact block heaters. 1.5 mL is the universal format compatible with virtually all microcentrifuge rotors, heating blocks, and automated liquid handlers. 2.0 mL provides extra headspace for vortex mixing and bead-based extraction protocols; the slightly wider diameter is also compatible with most 1.5 mL rotor slots.
Cap Style: Snap Cap vs Screw Cap
Snap-cap microcentrifuge tubes feature hinged lids that allow quick one-handed operation and are preferred for high-throughput laboratory workflows involving frequent pipetting.
Screw-cap tubes equipped with O-rings or sealing rings provide a hermetic seal capable of withstanding centrifugal forces up to 20,000 &times; g. These tubes are recommended for volatile reagents, repeated freeze-thaw cycles, and long-term storage at ultra-low temperatures. Laboratories requiring enhanced sample security often select screw-cap formats for valuable or irreplaceable specimens.
Standard vs Low-Binding Polypropylene
Standard polypropylene microcentrifuge tubes are suitable for most routine laboratory applications. Low-binding polypropylene tubes are designed to reduce sample adsorption to tube walls and are particularly beneficial when working with dilute proteins, low-concentration nucleic acids, or single-cell samples where maximizing recovery is critical.
Bottom Geometry: Conical vs Self-Standing
Conical-bottom tubes concentrate pellets at the tip of the tube, improving sample recovery and simplifying resuspension after centrifugation.
Self-standing tubes feature a flat base that allows them to remain upright without a rack, making them convenient for sample handling, labeling, and storage. While they offer greater bench-top convenience, pellets may form slightly off-center compared with traditional conical-bottom designs.
&nbsp;
<h2 data-section-id="11skgd4" data-start="3407" data-end="3446">Compare Microcentrifuge Tube Formats</h2>
&nbsp;
Snap-cap conical polypropylene microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Rated to approximately 16,000 &times; g, they are the standard choice for molecular biology, PCR preparation, nucleic acid extraction, and enzyme reaction workflows.
Screw-cap polypropylene tubes with O-rings are offered in 1.5 mL and 2.0 mL formats with either conical or flat-bottom designs. These tubes can withstand centrifugal forces up to 20,000 &times; g and are commonly used for volatile samples, cryogenic storage, and biobanking applications.
Self-standing screw-cap microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Featuring sealing rings and flat-bottom construction, they provide stable rack-free storage and are often used in color-coded sample management systems. These tubes are typically rated up to 20,000 &times; g.
Amber polypropylene microcentrifuge tubes are available with either snap caps or screw caps in 1.5 mL and 2.0 mL sizes. Designed for light-sensitive compounds, they help protect samples from light exposure while supporting centrifugation up to approximately 16,000 &times; g.
Dispenser-box snap-cap microcentrifuge tubes are commonly available in 1.5 mL and 2.0 mL formats and are packaged for convenient bench-top dispensing. They are ideal for high-throughput laboratories that process large numbers of samples and require efficient access to consumables.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4881" data-end="4906">Specifications Context</h2>
&nbsp;
Globe Scientific microcentrifuge tubes are manufactured from USP Class VI virgin polypropylene and are certified RNase-free, DNase-free, and non-pyrogenic by lot under ISO 9001:2015 quality management standards. Nest Scientific microcentrifuge tubes are similarly manufactured to USP Class VI specifications and are available in self-standing formats with six cap color options for simplified sample organization.
Standard packaging configurations include 500 tubes per case for snap-cap formats and 500 tubes per case supplied in 50-tube packs for screw-cap variants. As of 2026, MBP stocks both dispenser-box snap-cap tubes and screw-cap microcentrifuge tube formats, with bulk purchasing options available for high-volume laboratories.
Achieve consistent results with secure, medical-grade centrifugation vessels. <a href="https://mbpinc.net/contact-us" title="Contact Molecular Biology Products Inc." style="color: #236fa1; text-decoration: underline;">Contact Molecular Biology Products Inc.</a> for a quote to upgrade your workflow.

Microcentrifuge Tubes

Diamond Midi Centrifuge Tube with Snap Cap

111578 by Globe Scientific is a 5.0 mL Diamond Midi polypropylene centrifuge tube with pierceable attached snap cap, dual-graduation markings, and a −86 °C to 80 °C operating range. Available in natural, light-blocking black, and assorted colors; sterile versions available. BOX/200 (50/bag, 4 bags/unit).

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Natural, 50/Bag, 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge ube, 5.0mL, PP, Attached Snap Cap, Graduated, Assorted Colors, 50/Bag of each Color (Blue, Green, Red & Yellow), 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Natural, STERILE, 20/Bag, 10 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Amber, 50/Bag, 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Blue, 50/Bag, 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Midnight Light Blocking Black, 50/Bag, 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Green, 50/Bag, 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Red, 50/Bag, 4 Bags/Unit, CS/2000

Diamond Midi Centrifuge Tube, 5.0mL, PP, Attached Snap Cap, Graduated, Yellow, 50/Bag, 4 Bags/Unit, CS/2000

Vacuum Filtration

<h2 dir="ltr">What are Vacuum Bottle-Top Filter Systems?</h2>
 Vacuum bottle-top filter systems are single-use, sterile filtration assemblies consisting of a graduated polystyrene funnel with an integrated membrane filter bonded to a polystyrene receiver bottle, connected by a hose-port adaptor to a house vacuum line or benchtop vacuum pump. The applied negative pressure (&minus;50 to &minus;100 kPa) draws liquid through the membrane into the receiver bottle, which is sealed after filtration for immediate use or cold-room storage.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
50mL Vacuum Filtration Units for small-scale sterile sampling
</li>
<li dir="ltr" aria-level="1">
150mL Vacuum Filtration Systems for rapid reagent preparation
</li>
<li dir="ltr" aria-level="1">
250mL Filtration Units for routine buffer sterilization
</li>
<li dir="ltr" aria-level="1">
500mL Vacuum Filtration Cups for mid-scale media processing
</li>
<li dir="ltr" aria-level="1">
1000mL Large Volume Filtration for industrial-scale batching
</li>
<li dir="ltr" aria-level="1">
Sterile Bottle-Top Filters for secure aseptic transfer
</li>
</ul>
<h2 dir="ltr"> How to Choose Vacuum Filtration Systems</h2>
 PES vs. PVDF Membrane for Vacuum Filtration PES membranes provide low protein binding (~1&ndash;2 &micro;g/cm&sup2;), high flow rates, and broad aqueous-solution compatibility &mdash; the standard for routine DMEM, RPMI, HBSS, PBS, and supplement-containing media sterilization. PVDF membranes have slightly lower protein binding than PES and greater chemical resistance to mild organic solvents, mild acids, and alkaline solutions. Use PVDF when filtering protein-rich solutions (FBS, antibody preparations, conditioned medium with high protein content) or when mild organic solvents are present in the filter solution. Volume Selection 250 mL systems (50 mm diameter membrane, 50 mL funnel) suit small media aliquots, supplement solutions, and transfection reagent preparations. 500 mL systems (90 mm diameter membrane, 150 mL funnel) are the routine lab workhorse for standard 500 mL media bottle preparation and FBS filtration. 1,000 mL systems (90 mm diameter membrane, 350 mL funnel) handle full-liter media preparations and large-volume buffer sterilization. All NEST systems include a pre-attached, graduated polystyrene receiver bottle in the corresponding volume. Pore Size: 0.10 &micro;m vs. 0.22 &micro;m vs. 0.45 &micro;m 0.22 &micro;m is the sterilizing grade per USP &lt;1229.2&gt; and ICH Q9: retains all bacteria and fungi; used for routine cell culture media, PBS, and buffer preparation. 0.45 &micro;m is the clarification grade: used as a pre-filtration step before 0.22 &micro;m to remove large particulates from turbid or high-biomass samples (FBS, conditioned media, cell culture supernatants, crude lysates), extending 0.22 &micro;m filter throughput by 3&ndash;5&times; on difficult samples. 0.10 &micro;m is the mycoplasma-removal grade: required when preparing media for Mycoplasma-sensitive primary cell culture or when processing serum or supplementary reagents that may harbor Mycoplasma species. Note that 0.10 &micro;m filtration is substantially slower than 0.22 &micro;m due to the tighter membrane pore structure. Practical Tips for Maximum Throughput Pre-wet the membrane by briefly passing 5&ndash;10 mL of sterile water through before the sample &mdash; this wets the hydrophilic PES or PVDF membrane and reduces initial resistance. For FBS and other viscous solutions, pre-filter through 0.45 &micro;m before the 0.22 &micro;m step. Maintain a vacuum at &minus;50 to &minus;80 kPa; excessive vacuum (&gt; &minus;100 kPa) can shear fragile membrane pores and increase non-specific protein adsorption. Do not autoclave the assembled bottle-top filter &mdash; PES and PS components are not rated for autoclave sterilization. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific vacuum bottle-top filters are manufactured from polystyrene funnel and receiver bottle components with PES or PVDF membranes. PES membranes have documented low protein binding (~1&ndash;2 &micro;g/cm&sup2;) per NEST scientific USA FAQ. Membrane diameter: 250 mL volume &rarr; 50 mm; 500 mL and 1,000 mL &rarr; 90 mm. The hose connector design accommodates various standard vacuum hose diameters. NEST PES 0.22 &micro;m vacuum filters are described as comparable in performance to leading brands, including Corning Stericup, Thermo Fisher Scientific, and Sartorius, per NEST Scientific USA's product page. All NEST vacuum filters are sterile and non-pyrogenic per the lot certificate. NEST Scientific vacuum bottle-top filters are stocked by MBP in all core SKUs. 
&nbsp;
Because your research should move faster than a slow-dripping filter. <a href="https://mbpinc.net/contact-us" title="Contact the Molecular Biology Products Inc. team" style="color: #236fa1;">Contact the Molecular Biology Products Inc. team</a> for a quote before your deadlines catch up with you.

1000-Brochure

Diamond Perfect Mark, Laboratory Marker, Black, 10/Box

Globe Scientific Diamond PerfectMark Laboratory Marker (SKU 1000) — 0.75 mm extra-fine nib, black permanent ink, waterproof, smear-proof, chemical-resistant, lightfast. For microscope slides, histology cassettes, cryogenic vials, and general labware. 10 markers/box. Low odor.

Microscope Slide Accessories

<h2 data-section-id="wj9kck" data-start="162" data-end="232">What Are Microscope Slide Accessories?</h2>
&nbsp;
Microscope slide accessories are the consumables and tools that support slide handling across three workflow stages: staining and processing, specimen transport, and archival storage. This category at MBP includes Coplin staining jars (for vertical-immersion staining), 20-place portable slide file holders (for case transport), flip-top and polypropylene screw-cap slide mailers (for inter-lab shipping), slide dispensers with up to 72-slide capacity (for bench-top access during staining), and expandable slide storage cabinets (for growing archival collections). Select accessories by workflow stage: Coplin jars for staining, mailers for shipping, dispensers for bench access, and file holders or cabinets for archiving.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Blood smearing tools with tapered ends for achieving uniform, error-free smears.</li>
<li>20-place microscope slide files for organized specimen tracking.</li>
<li>Coplin staining jars for uniform reagent exposure and cell staining.</li>
<li>Flip-top and extra sturdy plastic slide mailers for safe specimen transport.</li>
<li>Polypropylene slide mailers with red screw caps for leak-proof shipping.</li>
<li>Cardboard slide mailers for cost-effective, short-range sample sharing.</li>
<li>Slide dispensers that hold up to 72 slides for rapid access.</li>
<li>High-capacity slide storage boxes for long-term specimen archiving.</li>
<li>Expandable slide storage cabinets for growing laboratory collections.</li>
</ul>
&nbsp;
<h2 data-start="2837" data-end="3149">How to Choose Microscope Slide Accessories</h2>
&nbsp;
Staining: Coplin Jars Coplin staining jars are vertical-slot containers that hold 5&ndash;10 slides facing outward, immersing them simultaneously in staining reagents &mdash; haematoxylin, eosin, Gram stains, silver stains, and alcohols. Glass Coplin jars are solvent-resistant for xylene and all laboratory alcohols; polypropylene versions are suitable for aqueous and mildly solvent-containing reagents but are not xylene-compatible. &nbsp; Transport: Slide Mailers Three mailer types address different transport needs. Flip-top plastic mailers are reusable for short-range intra-facility transport. Polypropylene mailers with red screw caps provide a leak-proof sealed closure for shipping biological specimens. Cardboard mailers offer a lower-cost option for non-biohazardous, short-distance lab-to-lab sharing. &nbsp; Bench Access: Slide Dispensers Slide dispensers hold up to 72 slides in a tilted stack, dispensing one slide at a time from the front with one-handed access. This prevents contamination from repeatedly handling the full slide stack and reduces breakage during high-volume staining sessions. &nbsp; Archiving: 20-Place File Holders and Cabinets Twenty-place slide file holders accommodate a single case's slides in a flat, portable format suitable for filing or transporting a patient case. Expandable slide storage cabinets provide modular drawer-based storage for collections that grow over time, holding 100&ndash;500+ slides per cabinet unit.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3151" data-end="3176">Specifications Context</h2>
&nbsp;
Glass Coplin jars are resistant to xylene, acetone, and all laboratory alcohols. Polypropylene Coplin jars tolerate aqueous and mildly solvent-containing stains but are NOT compatible with xylene &mdash; use glass jars for any step involving xylene or halogenated solvents. Polypropylene screw-cap slide mailers from MBP provide a leak-resistant sealed closure for shipping slides containing biological specimens; labs shipping Category B biological substances should confirm UN3373 / IATA P650 compliance of their complete packaging before shipping. Slide dispensers at MBP hold up to 72 standard 25&times;75mm slides.
Ready to upgrade your microscope slide accessories?&nbsp;<a href="https://mbpinc.net/contact-us">Ask the friendly staff at MBP</a> for a quote right now.

1300-Microscope Slide Brochure

Diamond PerfectSmear, Blood Smearing Tool, 72/Box

Globe Scientific Diamond PerfectSmear Blood Smearing Tool (SKU 1300) — flexible polystyrene, tapered-end design, 72 tools/box. Replaces glass slide spreaders; reduces cell damage, eliminates glass laceration risk, and produces consistent peripheral blood smears for differential and morphology analysis.

Single Channel Pipettors

<h2 dir="ltr">What Are Single-Channel Pipettors?</h2>
 A single-channel pipettor is the single most widely used liquid handling instrument in molecular biology, cell biology, and clinical research. It transfers precise volumes between 0.1 &micro;L and 5,000 &micro;L, one well or tube at a time, using an air-displacement piston mechanism. The piston creates a partial vacuum that aspirates liquid into a disposable tip; advancing the piston fully dispenses the liquid. A spring-loaded tip ejector releases the used tip without hand contact for contamination control. Manual models depend on finger force and offer simple, battery-free operation; electronic models add programmable aspiration/dispensing speeds, multi-dispense modes, and up to 5 custom pipetting programs.&nbsp; A set of four manual single-channel pipettors (P10, P20, P200, P1000) covers 95% of molecular biology liquid handling; add electronic models for high-throughput repetitive work.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Adjustable volume single-channel pipettors for flexible workflows
</li>
<li dir="ltr" aria-level="1">
Fixed volume pipettors for repeatable dispensing tasks
</li>
<li dir="ltr" aria-level="1">
Mechanical pipettors for standard lab use
</li>
<li dir="ltr" aria-level="1">
Ultra-low volume micropipettors for precise &micro;L handling
</li>
<li dir="ltr" aria-level="1">
Wide-range pipettors covering &micro;L to mL volumes
</li>
<li dir="ltr" aria-level="1">
Autoclavable pipettors for sterile environments
</li>
<li dir="ltr" aria-level="1">
Lightweight ergonomic pipettors for long sessions
</li>
</ul>
<h2 dir="ltr"> How to Choose a Single-Channel Pipettor</h2>
 Volume Range: Build a Complete Bench Set A standard four-pipettor bench set covers P10 (1&ndash;10 &micro;L), P20 (2&ndash;20 &micro;L), P200 (20&ndash;200 &micro;L), and P1000 (100&ndash;1,000 &micro;L). For sub-microliter work (sequencing, single-cell), add a P2 (0.2&ndash;2 &micro;L). For large-volume dispensing (media prep, column loading), add a P5000 (1,000&ndash;5,000 &micro;L). Avoid selecting a volume range that places your target dispense below 20% of the maximum &mdash; accuracy degrades at the low end of any range. Manual vs Electronic Manual single-channel pipettors (Eppendorf Research Plus, Gilson PIPETMAN Classic, Rainin Pipet-Lite XLS+) are the standard for routine lab work: field-calibratable, autoclavable, and requiring no power source. Electronic single-channel pipettors (Eppendorf Research Pro, Rainin Pipet-Lite XLS+ Electronic) add: programmable aspiration/dispense speed (5 speeds), multi-dispense (repeat pipetting) mode, mix mode, dilution mode, and backlight LCD volume display. Electronic models reduce hand fatigue in workflows exceeding 200&ndash;300 tip changes per day. Tip Compatibility Three tip systems cover the market: standard conical (universal fit &mdash; fits Eppendorf Research Plus, Gilson PIPETMAN, Rainin non-LTS, Thermo, Sartorius/BioHit); Rainin LTS cylindrical (requires LTS-specific tips &mdash; lower force insertion); Eppendorf epT.I.P.S. proprietary (tightest fit for Eppendorf instruments). Select the tip system that matches your pipettor purchase and existing tip inventory before committing to a brand. Autoclavability and Chemical Resistance Manual pipettors from Eppendorf, Gilson, and Rainin have fully autoclavable lower sections (121&deg;C, 15 psi, 15 min). Electronic pipettors have autoclavable nose cones only &mdash; the electronic module cannot be autoclaved. Calibration and Service All single-channel pipettors are factory-calibrated per ISO 8655. Field recalibration tools are available for Eppendorf, Gilson, and Rainin to perform in-lab gravimetric verification without external service. 
<h2 dir="ltr"> Specifications Context </h2>
 ISO 8655 Part 2 accuracy spec for a 200 &micro;L air-displacement pipettor: &plusmn;0.8 &micro;L systematic error, &le;0.3 &micro;L random error (Eppendorf Research Plus specification at 200 &micro;L). Most manual pipettors weigh 70&ndash;120 g; electronic models weigh 150&ndash;220 g. Operating temperature range: typically 15&ndash;40&deg;C. Eppendorf Research Plus, Gilson PIPETMAN Classic, and Rainin Pipet-Lite XLS+ LTS remain the three dominant single-channel pipettor platforms in North American research labs.&nbsp; 
&nbsp;
Ready to find your new favorite lab tool? Don&rsquo;t just settle for any grip&mdash;find the one that fits your hand and your science. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Reach out to the MBP team</a> today for a customized quote.

3362-Group-Diamond Posi-Stop Brochure

Diamond PosiStop  Single Channel Pipettors - Fixed Volume

Globe Scientific Diamond™ PosiStop™ fixed-volume single-channel pipettors (SKU 3362) — magnetically assisted piston, PVDF tip cone, fully autoclavable, UV-resistant. ISO 17025-calibrated. 12 fixed volumes from 1 µL to 1000 µL. Compatible with LTS-style tips. Colour-coded plunger, volume lock, shock-absorbing tip ejector. 3-year warranty.

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 2.5ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 5ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 10ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 20ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 25ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 50ul, Green

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 100ul, Green

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 200ul, Green

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 250ul, Blue

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 500ul, Blue

Pipette, Diamond PosiStop, Fully Autoclavable, Fixed volume, 1000ul, Blue

Multi-Channel Pipettors

<h2 dir="ltr">What Are Multi-Channel Pipettors?</h2>
 A multi-channel pipettor contains 8 or 12 piston-tip cone assemblies arranged in a single row at 9 mm centre-to-centre spacing &mdash; matching the well spacing of standard 96-well plates &mdash; allowing an operator to simultaneously dispense into an entire plate row (12-channel) or column (8-channel) with a single plunger depression. This reduces the time to fill a 96-well plate from ~96 individual dispenses to 12 (8-channel) or 8 (12-channel). For 384-well plates, 16-channel models or adjustable-spacing multichannel pipettors accommodate the 4.5 mm inter-well spacing. Multi-channel pipettors are the standard instrument for ELISA plate loading, serial dilution across 96-well plates, PCR master-mix dispensing, and cell-based assay setup. An 8-channel pipettor fills a 96-well plate in 12 strokes; a 12-channel pipettor fills it in 8 &mdash; choose based on whether your workflow is row-based or column-based.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
8-channel adjustable volume multi-channel pipettors
</li>
<li dir="ltr" aria-level="1">
12-channel high-throughput pipettors
</li>
<li dir="ltr" aria-level="1">
Mechanical multi-channel pipettors for routine use
</li>
<li dir="ltr" aria-level="1">
Autoclavable multi-channel pipettors
</li>
<li dir="ltr" aria-level="1">
Ergonomic lightweight pipettors for extended use
</li>
<li dir="ltr" aria-level="1">
Calibrated precision multi-channel pipettors
</li>
<li dir="ltr" aria-level="1">
Microplate-compatible pipettors for 96-well formats
</li>
</ul>
<h2 dir="ltr"> How to Choose a Multi-Channel Pipettor</h2>
 8-Channel vs 12-Channel 8-channel pipettors (8 rows) are used when working column-by-column across a 96-well plate &mdash; the standard for PCR setup, ELISA, and serial dilutions where samples run down columns. 12-channel pipettors (12 columns) are used when filling row-by-row, common for reagent dispensing from reservoirs across all 12 columns simultaneously. Both configurations dispense the same 96 wells per plate but in different orientations. Volume Range Common multi-channel volume ranges: 0.5&ndash;10 &micro;L (for low-volume PCR or sequencing), 5&ndash;50 &micro;L, 10&ndash;100 &micro;L, and 20&ndash;200 &micro;L (the most widely used range for ELISA and cell-based assays), and 30&ndash;300 &micro;L. Select the range that places your most frequent dispense volume at 50&ndash;80% of the maximum for best accuracy. Manual vs Electronic Manual multi-channel pipettors (Eppendorf Research Plus Multichannel, Gilson PIPETMAN Multichannel) require no battery and are field-calibratable. Electronic multi-channel pipettors (Eppendorf Xplorer Multichannel, Rainin Pipet-Lite L8 LTS Electronic) add programmable speed, multi-dispense mode, and reduced plunger force &mdash; particularly valuable for high-throughput plate workflows. Tip Compatibility Multi-channel pipettors use the same tip collar geometry as single-channel models: standard conical for Eppendorf Research Plus and Gilson PIPETMAN (universal-fit 8-strip tips); LTS cylindrical for Rainin L8/L12 LTS (LTS 8-strip tips). Confirm tip format matches the multichannel instrument before ordering tip strips. Adjustable Tip Spacing Eppendorf Research Plus Move It and equivalent adjustable-spacing models allow spacing between channels to be set to 4, 6, 8, or 12 mm &mdash; enabling use with 24-well, 48-well, and 384-well plate formats without a dedicated instrument for each format. 
<h2 dir="ltr"> Specifications Context</h2>
 Multi-channel pipettors are subject to ISO 8655 Part 6 (multichannel piston-operated volumetric instruments). Standard accuracy specification for a 200 &micro;L 8-channel model is &plusmn;1.5 &micro;L systematic error; inter-channel CV should be &le;1.0% to ensure well-to-well reproducibility in plate-based assays. Autoclavable lower sections are standard on Eppendorf Research Plus and Gilson PIPETMAN multichannel models. Eppendorf Research Plus Multichannel and Rainin Pipet-Lite L8/L12 LTS remain the dominant manual multichannel platforms in North American research labs.&nbsp; 
&nbsp;
Tired of the one-well-at-a-time grind? Let&rsquo;s speed things up.<a href="https://mbpinc.net/contact-us" style="color: #236fa1;">&nbsp;Reach out to the MBP team</a> today for a quote on the multi-channel system that fits your lab&rsquo;s pace.

3365-Group-Diamond Posi-Stop Brochure

Diamond PosiStop 12-Channel Pipettors - Adjustable Volume

3365 by Diamond (MBP) is a fully autoclavable, adjustable-volume 12-channel pipettor with PVDF construction, LTS tip compatibility, 360° rotating manifold, and individually calibrated channels per ISO 8655. Available in five volume ranges from 0.5–10 µL to 20–200 µL. Backed by a 3-year warranty.

Pipette, Diamond PosiStop, Fully Autoclavable, 12-Channel,  Adjustable volume, 0.5 - 10ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, 12-Channel,  Adjustable volume, 2 - 20ul, Red

Pipette, Diamond PosiStop, Fully Autoclavable, 12-Channel,  Adjustable volume, 5 - 50ul, Green

Pipette, Diamond PosiStop, Fully Autoclavable, 12-Channel,  Adjustable volume, 10 - 100ul, Green

Pipette, Diamond PosiStop, Fully Autoclavable, 12-Channel,  Adjustable volume, 20 - 200ul, Green

Pipette, Diamond PosiStop, Fully Autoclavable, 12-Channel,  Adjustable volume, 30 - 300ul, Yellow

United States

Texas

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