Globe Scientific

Capillary Tubes

<h2 dir="ltr">What are Capillary Tubes? </h2>
 Capillary tubes for laboratory use are thin-walled, open-ended tubes&mdash;typically 75 mm long with an internal diameter of 1.1&ndash;1.2 mm&mdash;that collect microvolume blood samples (40&ndash;80 &micro;L) by capillary action from finger-stick or heel-stick punctures, directly from anticoagulated blood collection tubes, or from blood gas analyzers. They are the primary consumables for the micro-hematocrit (packed cell volume, PCV) determination: tubes are filled, sealed, centrifuged at 10,000&ndash;14,500 RPM for 5 minutes, and the ratio of packed red cells to total blood column is read against a hematocrit chart. Globe Scientific manufactures both soda lime glass and plastic (unbreakable) micro-hematocrit capillary tubes, as well as pre-calibrated borosilicate glass tubes for blood gas applications. Choose heparinized capillary tubes for direct finger-stick collection from untreated blood; choose plain (untreated) tubes when filling from an anticoagulated blood collection tube.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Glass capillary tubes for micro-volume liquid transfer</li>
<li dir="ltr" role="presentation">Heparinized capillary tubes for blood sample collection</li>
<li dir="ltr" role="presentation">Plain capillary tubes for general laboratory applications</li>
<li dir="ltr" role="presentation">Micro-hematocrit capillary tubes for blood analysis</li>
<li dir="ltr" role="presentation">Sealed-end and open-end capillary tubes for flexible workflows</li>
<li dir="ltr" role="presentation">Disposable precision-bore tubes for single-use sampling</li>
<li dir="ltr" role="presentation">Calibrated microcapillary tubes for consistent volume uptake</li>
<li dir="ltr" role="presentation">Thin-walled tubes for rapid capillary action filling</li>
<li dir="ltr" role="presentation">Sterile capillary tubes for diagnostic applications</li>
<li dir="ltr" role="presentation">General-purpose laboratory micro-sampling tubes</li>
</ul>
<h2 dir="ltr"> How to Choose Capillary Tubes</h2>
 Plain vs. Heparinized Plain capillary tubes (blue tip, Globe Scientific) are used when filling from a pre-anticoagulated specimen (EDTA or citrate blood collection tube). Heparinized tubes prevent clotting in samples collected directly from a skin puncture: ammonium heparin&ndash;coated tubes (green tip) and sodium heparin&ndash;coated tubes (red tip) are both available. The tip color is the universal identifier &mdash; confirm the coding convention with your supplier before ordering, as some manufacturers reverse the color assignments. Glass vs. Plastic Soda lime glass capillary tubes (Globe Scientific catalog 51602&ndash;51607) provide excellent capillary action, low surface adsorption, and superior optical clarity for reading the hematocrit column. Plastic capillary tubes (catalog 51620) eliminate the sharps hazard from glass breakage during centrifugation&mdash;a significant occupational safety consideration for high-volume clinical labs processing hundreds of hematocrit determinations daily. Both formats fit standard 75 mm hematocrit centrifuges. Pre-Calibrated (Blood Gas) Tubes Pre-calibrated borosilicate glass capillary tubes (Globe Scientific catalog 51628, I.D. 0.55 mm &plusmn; 0.03 mm) are precision-ground for blood gas and co-oximetry analyzers requiring specific internal volume tolerance. These differ from standard hematocrit tubes in inner diameter; using the wrong tube in a blood gas analyzer causes instrument error codes and inaccurate analyte results. Centrifuge Compatibility All 75 mm micro-hematocrit capillary tubes are compatible with standard hematocrit centrifuges rated for 10,000&ndash;14,500 RPM. Confirm your centrifuge head accepts the tube O.D. (1.5 mm &plusmn; 0.05 mm for Globe Scientific glass tubes) before ordering in bulk.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific soda lime glass micro-hematocrit capillary tubes have an I.D. of 1.15 mm &plusmn; 0.05 mm, O.D. of 1.5 mm &plusmn; 0.05 mm, and a length of 75 mm &plusmn; 1 mm, with a fill volume of approximately 75 &micro;L. The standard centrifugation protocol is 10,000&ndash;14,500 RPM for 5 minutes in a dedicated hematocrit centrifuge. Normal hematocrit ranges: 38&ndash;50% for adult males, 35&ndash;47% for adult females; values outside this range, combined with elevated ESR and other CBC parameters, are used to evaluate anemia, polycythemia, and inflammatory conditions. As of 2026, Globe Scientific is an ISO 9001:2015&ndash;certified manufacturer and MBP-stocked supplier of both glass and plastic capillary tube formats. 
For specifications, size options, or bulk ordering support, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">connect with the MBP team</a> to choose the right capillary solution for your laboratory application.

Flyer

51602-Group-Lab Supplies for Physicians Offices

Soda Lime Glass Micro-Hematocrit Capillary Tubes

Globe Scientific Soda Lime Glass Micro-Hematocrit Capillary Tubes are color-coded 75 mm tubes for PCV determination, supplied 100/vial, BOX/1000. Available as 51602 (blue tip, plain), 51608 (green tip, ammonium heparinized), and 51613 (red tip, sodium heparinized).

Manufacture

Capillary Tube, Microhematocrit, Soda Lime Glass, Blue Tip, Plain, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, Soda Lime Glass, Green Tip, Ammonium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, Soda Lime Glass, Red Tip, Sodium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

Sample Storage Container

<h2 dir="ltr">What are Urine Collection Products?</h2>
 Urine collection products for laboratory use are containers and preservative systems designed to collect, stabilize, and transport urine specimens for urinalysis (UA), urine culture (C&amp;S), nucleic acid-based testing (NAAT for STIs), cell-free DNA (cfDNA) liquid biopsy, and 24-hour timed collections. Formats include sterile cups (30&ndash;60 mL), preservative tubes (5&ndash;50 mL), vacuum-draw urine transfer tubes, 24-hour collection containers (2&ndash;3 L), and preservative-prefilled devices for ambient-temperature stabilization of DNA, RNA, and proteins. Choose urine collection products with an active preservative when specimens cannot be processed within 2 hours of collection, when samples must be shipped to a centralized lab, or when nucleic acid integrity over 24+ hours is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Sterile urine collection containers for routine diagnostic sampling</li>
<li dir="ltr" role="presentation">Urine transport tubes for secure handling and transfer workflows</li>
<li dir="ltr" role="presentation">Preservative urine tubes for culture and urinalysis stability</li>
<li dir="ltr" role="presentation">Midstream urine collection systems for contamination reduction</li>
<li dir="ltr" role="presentation">24-hour urine collection containers for metabolic testing workflows</li>
<li dir="ltr" role="presentation">Leak-resistant screw-cap urine tubes for safe transport</li>
<li dir="ltr" role="presentation">Graduated urine containers with volume markings for easy measurement</li>
<li dir="ltr" role="presentation">Pediatric urine collection solutions for low-volume sampling</li>
<li dir="ltr" role="presentation">Closed-system urine transfer devices for reduced exposure handling</li>
<li dir="ltr" role="presentation">General laboratory urine collection consumables for research use</li>
</ul>
<h2 dir="ltr"> How to Choose Urine Collection Products</h2>
 Application: Culture vs. NAAT vs. Nucleic Acid Research For culture (C&amp;S), use sterile cups or boric acid preservative tubes. For NAAT (STI panels for Chlamydia, Gonorrhea), use sterile cups or manufacturer-validated transfer tubes; confirm with your platform's IFU (e.g., Hologic Aptima Combo 2 uses a specific urine transport tube). For nucleic acid research (cfDNA, RNA, protein), use dedicated urine preservative tubes (Norgen, Streck) that stabilize analytes for up to 72 hours at room temperature. Volume: Random vs. 24-Hour Collection Random midstream urine (10&ndash;30 mL) is adequate for urinalysis, culture, and NAAT. Timed 24-hour collections (total volume 500&ndash;3000 mL) require large-volume containers with the appropriate preservative for the ordered panel. Mixing 24-hour containers with different preservatives is a common error&mdash;verify the correct preservative type with the laboratory before dispensing to the patient. Preservative Compatibility Boric acid tubes maintain bacterial counts for culture up to 24 hours at room temperature. Boric acid is NOT compatible with NAAT workflows&mdash;it inhibits PCR. For NAAT, use plain sterile containers or manufacturer-specific transfer tubes. For liquid biopsy cfDNA, Streck Cell-Free DNA Urine Preservative maintains cell integrity and prevents genomic DNA contamination for up to 72 hours. Sterility All urine containers intended for culture must be certified sterile. Containers for NAAT must be certified DNase-free and RNase-free to prevent nucleic acid contamination from the container. Confirm sterility and nuclease-free certification in the manufacturer's datasheet before use in molecular workflows. Automated Compatibility For high-throughput labs using automated urine analyzers (Sysmex UF-5000, Siemens CLINITEK), confirm that the collection tube format and cap design are compatible with tube-handling robotics. Copan UriSponge&reg; (FDA-cleared October 2024) is a boric-acid-free device validated for direct loading on WASP&reg; automation systems. 
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
 Standard urine collection cups are manufactured from transparent polypropylene (PP) or polystyrene (PS) with wide-mouth, screw-cap lids. Sterile cups rated for culture meet ISO 7886 and are non-pyrogenic. Boric acid preservative tubes contain approximately 1.8% boric acid, stabilizing bacterial counts by creating a bacteriostatic environment. Norgen urine preservative tubes (5&ndash;50 mL, available in multiple sizes) stabilize DNA, RNA, microRNA, and protein from fresh urine for over 2 years at room temperature per manufacturer validation data. As of 2026, liquid biopsy studies using urine cfDNA routinely use Streck Cell-Free DNA Urine Preservative (3 mL per 30 mL urine) as the standard stabilization protocol in published clinical research protocols. 
Need help picking the right urine collection setup? <a href="https://mbpinc.net/contact-us">Contact MBP</a>, and we&rsquo;ll help you sort it out fast. No confusion, just the right fit for your workflow.

Urine Collection Products

Tubes, Caps & Racks Catalog

TDS-6148

Specimen Collection Cups, 5oz, 100/Sleeve, 25 Sleeves/Unit, CS/2500

Globe Scientific 6208: 5 oz specimen collection cup, high-volume sleeve packaging: 100/sleeve, 25 sleeves/case (2,500 cups total per case).

Specimen Container, 4oz, with Attached Thermometer Strip, Separate 1/4-Turn Red Screwcap, Non-Sterile, PP, Graduated, Bulk, CS/500

5916 by Globe Scientific is a 4&#160;oz (100&#160;mL graduated) polypropylene specimen container with an attached liquid crystal thermometer strip and a separate 1/4-turn ergonomic red screwcap. Non-sterile, latex-free, frosted writing area. Designed for urine drug testing and urinalysis collection where post-collection temperature verification is required. Sold in cases of 500.

Specimen Container, 5oz. with Separate Snap Cap, PP, Graduated, CS/300

Specimen container 5917 — 5 oz polypropylene with a separate leak-resistant snap cap, molded graduation marks, and a large writing area. 300 per case. For urine collection, urinalysis, urine culture, and drug screening in clinical and reference laboratory settings.

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).
&nbsp;
<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>
&nbsp;
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.
&nbsp;
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.

111117-Group-Analyzer Consumables Catalog

Spectrophotometer Cuvette, Polystyrene (PS)

The Spectrophotometer Cuvette, Polystyrene (PS) by Globe Scientific is a disposable 10 mm path length cuvette, wavelength range 340–800 nm, absorption variation within ±1%. Packaged in dust-free PE foam trays, 100 per tray. Available in 4.5mL (111117, 111117-500, 2 or 4 sides: 111137), 2.9mL (112117, 112117-500), and 1.5mL (112137) sizes. Suitable for Bradford, BCA, OD600, and general visible-range colorimetric assays; not for UV measurements below 340 nm.

Cuvette, Spectrophotometer, Square, 4.5mL (10mm), PS, 2 Clear Sides, 100/Tray, 10 Trays/Unit, CS/1000

Cuvette, Spectrophotometer, Square, 4.5mL (10mm), PS, 2 Clear Sides, 100/Tray, 5 Trays/Unit, CS/500

Cuvette, Spectrophotometer, Square, 4.5mL (10mm), PS, 4 Clear Sides, 100/Tray, 5 Trays/Unit, CS/500

Cuvette, Semi-Micro, 2.9mL, with 2 Clear Sides, PS, 100/Tray, 10 Trays/Unit

Cuvette, Semi-Micro, 2.9mL, with 2 Clear Sides, PS, 100/Tray, 5 Trays/Unit

Cuvette, Micro, 1.5mL, with 2 Clear Sides, PS, 100/Tray, 5 Trays/Unit

Weighing Dishes & Boats

<h2 data-section-id="4vlupf" data-start="410" data-end="461">What Are Laboratory Weighing Dishes and Funnels?</h2>
&nbsp;
Laboratory weighing dishes and funnels are disposable antistatic consumables used in gravimetric sample preparation&mdash;where solid or liquid materials are weighed on analytical or top-loading balances before being transferred into reaction vessels, volumetric flasks, or tubes. Weighing dishes (also called weigh boats or pour boats) are flat-bottomed antistatic polystyrene containers used to hold samples on the balance pan during weighing. Weighing funnels are antistatic polypropylene tools with one flat side for stability on the balance and a conical stem designed to fit flask necks, allowing complete quantitative transfer of material with minimal loss. Globe Scientific offers antistatic PS weighing dishes in square, hexagonal, and pour-boat formats ranging from 10 mL to 350 mL, and antistatic PP weighing funnels in extra-small through extra-extra-large sizes. Both are single-use only because washing removes antistatic properties and affects weighing accuracy.
&nbsp;
<h2 data-path-to-node="15">What you will find:</h2>
&nbsp;
<ul data-path-to-node="16">
<li>
<a href="https://mbpinc.net/consumables/weighing-dishes-and-funnels/weighing-dishes" title="Weighing Dishes" style="color: #236fa1;">Weighing Dishes</a>: The Precision Interface &ndash; In the journey from balance to vessel, every milligram counts. Our dishes are the specialized bridges that ensure your "calculated mass" actually reaches the reaction.
</li>
<li>
<a href="https://mbpinc.net/consumables/weighing-dishes-and-funnels/funnels" title="Funnels" style="color: #236fa1; text-decoration: underline;">Funnels</a>: High-Flow Transfer Logic &ndash; Stop the "glugging" and the spills. Our funnels are engineered to handle the physics of fluid and powder movement for a seamless bench workflow.
</li>
</ul>
&nbsp;
<h2 data-section-id="1yz3s79" data-start="1436" data-end="1480">How to Choose Weighing Dishes and Funnels</h2>
&nbsp;
Weighing Dish Shape
Square weigh boats are used for routine laboratory weighing and are designed with sloping sides and recessed corners to minimize sample loss during transfer. Hexagonal weigh boats provide better stability on balance pans due to their molded edges and also offer improved grip during handling, making them suitable for workflows where stability matters. Pour-boat designs include a built-in spout that allows controlled and accurate dispensing of liquids or viscous samples into receiving vessels without spillage.
Weighing Dish Capacity
Small 10&ndash;20 mL dishes are used for micro-scale weighing of reagents typically under 2 g on analytical balances. Medium 50&ndash;100 mL dishes are used for routine laboratory weighing of 2&ndash;20 g samples. Large 200&ndash;350 mL dishes are used for bulk powders and higher-volume transfers on top-loading balances.
Weighing Funnel Size
Extra-small funnels are used for 5&ndash;20 mL vessels and microtubes, small funnels for 20&ndash;50 mL, medium funnels for 50&ndash;200 mL, large funnels for 200&ndash;500 mL, and extra-large funnels for 500&ndash;1000 mL flasks. The flat side ensures stable placement on the balance pan during weighing before transfer.
Color: White vs. Black
White dishes provide high contrast for dark or strongly colored samples, making them easier to visualize during transfer. Black dishes are used for light-colored or transparent samples where residue visibility is important, especially when confirming complete sample recovery.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3653" data-end="3678">Specifications Context</h2>
&nbsp;
Globe Scientific antistatic polystyrene weighing dishes operate within &minus;10&deg;C to +80&deg;C and resist dilute acids, bases, and alcohols. The antistatic formulation is a specialized grade designed to reduce static charge and prevent sample loss during weighing and cannot be replaced with standard polystyrene labware. As of 2026, 20 mL and 100 mL antistatic weigh boats are widely used in pharmaceutical QC laboratories, research facilities, and academic analytical chemistry workflows where accuracy and contamination-free handling are required.
Keep sample handling clean and consistent&mdash;<a href="https://mbpinc.net/contact-us" title="MBP supports your workflow">MBP supports your workflow</a> &nbsp;with reliable weighing dishes and funnels designed for real lab conditions.

Weighing Dishes & Funnels

Weigh Dish Brochure

Square Shaped Weighing Boats - Round Bottom

Square Shaped Weighing Boats with Round Bottom by Globe Scientific — antistatic, square-profile polystyrene weighing boats with a round bottom for complete powder and liquid transfer. Single-use, food-grade compliant, and resistant to dilute acids, alcohols, and bases. Sold in cases of 500. Available from MBP Inc. with worldwide shipping. Available in three sizes: 7mL (3620), 100mL (3621), 330mL (3622).

Weighing Boat, Plastic, Square with Round Bottom, Small Easy Pour Spout, Antistatic, 41 x 41 x 8mm, PS, White, 7mL, CS/12000

Weighing Boat, Plastic, Square with Round Bottom, Small Easy Pour Spout, Antistatic, 89 x 89 x 25mm, PS, White, 100mL, CS/6000

Weighing Boat, Plastic, Square with Round Bottom, Small Easy Pour Spout, Antistatic, 140 x 140 x 25mm, PS, White, 330mL, CS/3000

Square Weighing Boats Dimensions

Square Shaped Weighing Boats - Square Bottom

The Square Shaped Weighing Boats with Square Bottom by Globe Scientific are antistatic polystyrene weighing boats in 3 sizes × 2 colours: White (3619-10/100/250) and Black (3619-10BK/100BK/250BK). Sizes: 10 mL (45×45×8 mm, 12,000/case), 100 mL (80×80×24 mm, 6,000/case), 250 mL (135×135×24 mm, 3,000/case).

Weight Boat, Square with Square Bottom, Antistatic, PS, White, 10mL, 45x45x8mm, CS/12000

Weight Boat, Square with Square Bottom, Antistatic, PS, White, 100mL, 80x80x24mm, CS/6000

Weight Boat, Square with Square Bottom, Antistatic, PS, White, 250mL, 135x135x24mm, CS/3000

Weight Boat, Square with Square Bottom, Antistatic, PS, Black, 10mL, 45x45x8mm, CS/12000

Weight Boat, Square with Square Bottom, Antistatic, PS, Black, 100mL, 80x80x24mm, CS/6000

Weight Boat, Square with Square Bottom, Antistatic, PS, Black, 250mL, 135x135x24mm, CS/3000

Storage Boxes & Racks

<h2 data-section-id="1hv97bw" data-start="0" data-end="47">What Are Laboratory Storage Boxes and Racks?</h2>
&nbsp;
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.
&nbsp;
<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>
&nbsp;
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.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4067" data-end="4092">Specifications Context</h2>
&nbsp;
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.

Rack - Brochure

Stackable & Connecting Microtube Racks

Stackable & Connecting Microtube Racks by Globe Scientific are 24-place polycarbonate (PC) racks — autoclavable, rated to –80°C, designed to stack vertically or connect side-by-side for a modular benchtop workstation. Available for 0.5mL (456330 series) or 1.5/2.0mL (456335 series) tubes, each in five colors (Blue, Clear, Green, Orange, Yellow).

Rack for 0.5mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Blue, CS/8

Rack for 0.5mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Clear, CS/8

Rack for 0.5mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Green, CS/8

Rack for 0.5mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Orange, CS/8

Rack for 0.5mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Yellow, CS/8

Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Blue, CS/8

Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Clear, CS/8

Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Green, CS/8

Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Orange, CS/8

Rack for 1.5mL and 2.0mL Microcentrifuge Tubes, Stackable, Polycarbonate (PC), 24-Place, Yellow, CS/8

Tubes, Caps & Racks - Catalog

Stainless Steel Tube Racks

Stainless Steel Tube Racks by Globe Scientific are Z-shape racks, available for 12/13mm (457100, 457105) and 15/16/17mm (457200, 457205) tubes, each in 25-place (5×5) or 50-place (5×10) configurations. Rust-proof, autoclavable, and stackable for benchtop space efficiency. Registered vendor to Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

Rack, Tube, 12/13mm, 25-Place, Stainless Steel "Z" Shape, CS/60

Rack, Tube, 12/13mm, 50-Place, Stainless Steel "Z" Shape, CS/30

Rack, Tube, 16/17mm, 25-Place, Stainless Steel "Z" Shape, CS/30

Rack, Tube, 16/17mm, 50-Place, Stainless Steel "Z" Shape, CS/30

Microscope Accessories

<h2>What Are Microscope Accessories?</h2>
&nbsp;
Microscope accessories are supplementary components that configure, upgrade, or expand the function of a base microscope beyond its standard out-of-the-box specification. They fall into several categories: imaging accessories (cameras, camera adapters, camera relay lenses) for digital image capture and video documentation; optical accessories (additional or replacement objective lenses, eyepieces, auxiliary objectives for stereo microscopes) that change magnification or improve optical quality; fluorescence accessories (filter cube sets, LED fluorescence modules, mercury lamp adapters, UV/visible filter wheels) for adding or expanding fluorescence capability; stage accessories (multiwell plate holders, slide holders, cross-roller stages, motorized XY stage inserts, focus drives) that expand sample handling; illumination accessories (fiber optic illuminators, ring lights, polarizers, dark-field condensers) for alternative contrast methods; and maintenance and consumable accessories (immersion oil, lens paper, slide cleaning kits, replacement illuminator bulbs). Because accessory designs are instrument-specific (not all cameras, objectives, or stage inserts are universally compatible), identify the microscope model and manufacturer before ordering any accessory. Always identify the exact microscope model and manufacturer before ordering any accessory; thread standards, bayonet mounts, tube lengths, and connector formats vary significantly between brands and generations.
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<h2 class="PDq2pG_selectionAnchorContainer" data-section-id="bxblbi" data-start="0" data-end="23">What You Will Find:</h2>
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<li data-section-id="192mrl8" data-start="25" data-end="131">
Microscope Cameras for high-resolution image and video capture, including HD and 4K imaging options.
</li>
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Photo Port Adapters and Camera Tubes for connecting digital cameras to compatible microscopes.
</li>
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Microscope Adapters designed to support a wide range of imaging and mounting configurations.
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LED Illuminators that enhance specimen visibility and image quality across microscopy applications.
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Digital Imaging Accessories that enable documentation, image analysis, teaching, and research workflows.
</li>
</ul>
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<h2>How to Choose Microscope Accessories</h2>
&nbsp;
Digital cameras and adapters
Microscope cameras attach to the trinocular port (or monocular camera port on some models) via a C-mount camera adapter with an integrated relay lens. The relay lens magnification (typically 0.35x, 0.5x, or 1x) determines the effective field of view on the camera sensor. Choose a CMOS camera with 5 to 20 megapixels for brightfield documentation and routine fluorescence; scientific CMOS (sCMOS) or cooled CCD cameras for low-light fluorescence quantification. Confirm the camera software is compatible with the microscope's control software (if motorized).
Objective lenses
Replacement or additional objectives must match the microscope's objective thread standard and tube length (160 mm finite or infinity-corrected). Never mix finite-optics and infinity-corrected objectives on the same nosepiece; the image-forming properties are incompatible. Plan-apochromat objectives in the same brand family as the microscope are the safest choice for optical performance and parfocality with the existing objective set.
Fluorescence filter cube sets
Fluorescence filter cubes contain an excitation bandpass filter, a dichroic mirror, and an emission bandpass filter, which are the three components that define which fluorescent dye or protein is imaged. Common filter sets: DAPI (Ex 360/40, Di 400LP, Em 460/50); FITC/GFP (Ex 470/40, Di 495LP, Em 525/50); TRITC/mCherry (Ex 550/25, Di 565LP, Em 605/70); Cy5 (Ex 620/60, Di 660LP, Em 700/75). Confirm the cube block type (Olympus U-MF2, Nikon B-2A, Zeiss 38HE, or other) matches the filter cube turret of the specific microscope model.
Stage inserts and sample holders
Stage inserts expand sample compatibility: multiwell plate holders (96-well, 384-well, 6-well) for high-content imaging; glass-bottom dish holders for live-cell imaging with oil-immersion objectives; slide holder adapters for larger or smaller slide formats; and universal stage inserts for non-standard containers. Confirm the stage insert dimensions match the microscope's mechanical stage cutout and that the height profile is compatible with the condenser working distance for transmitted illumination.
LED fluorescence modules
LED fluorescence modules replace or augment mercury arc lamps in the fluorescence port of existing microscopes, providing individual LED channels for DAPI, GFP, TRITC, and Cy5 excitation. LED upgrades are available as bolt-on add-ons for many research-grade inverted and upright microscopes and significantly extend the fluorescence illumination service life from 200 to 300 hours (mercury) to 50,000+ hours (LED). Confirm the LED module's mounting standard and control interface (USB, TTL, or software-triggered) is compatible with the microscope.
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<h2>Specifications Context</h2>
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Immersion oil for oil-immersion microscopy must match the refractive index for which the objective is designed; standard immersion oil has a refractive index of 1.515 at 23 degrees C (per ASTM and DIN standards). Using oils with different refractive indices introduces spherical aberration. Viscosity matters for the application: low-viscosity oils (Type A, 150 mPas) spread easily and are used for fast scanning; high-viscosity oils (Type B, 1250 mPas) resist creep at elevated stage temperatures. Clean all residual immersion oil from objectives immediately after each use with lens tissue dampened with appropriate lens cleaning solution; dried immersion oil is difficult to remove and can permanently damage the objective coating.&nbsp;
&nbsp;
To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

Standard 23.2 mm tube for Oxion upright (revision 2) and Oxion Inverso inverted microscopes, for use with EOX-2053-PLPH and camera EVC-3024-HDS

EAE-5120-2 by Euromex is a standard 23.2 mm phototube adapter for Oxion upright (revision 2) and Oxion Inverso inverted microscopes, enabling direct connection of the EVC-3024-HDS camera via the EOX-2053-PLPH trinocular head. The revision-specific design ensures correct optical alignment; confirm your microscope is revision 2 before ordering. Contact MBP at customerservice@mbpinc.net for availability and institutional pricing.

Stereo Microscopes

<h2>What Are Stereo Microscopes?</h2>
&nbsp;
A stereo microscope uses two separate optical paths (each slightly offset from the other) to present a slightly different angle of the specimen to each eye, producing true stereoscopic (three-dimensional) depth perception in the image. Unlike compound microscopes, which use transmitted light through thin, translucent, slide-mounted specimens at high magnification, stereo microscopes use incident (reflected) illumination to observe solid, opaque, or thick specimens from above at lower magnifications. This design provides two key practical advantages: a long working distance (typically 80 to 115 mm at 1x objective) that allows tools, needles, forceps, or soldering irons to be operated under the lens during observation; and a wide field of view that allows large specimens (whole insects, embryos, plant organs, PCBs, rocks) to be seen in context. Stereo microscopes are used in biology (dissection, organism manipulation, embryo handling, zebrafish imaging), materials science and electronics (PCB inspection, solder joint analysis, microelectronics assembly), geology and paleontology (fossil and mineral examination), medical device assembly, and quality control inspection. Use a stereo microscope when you need to observe or manipulate a solid, opaque, or thick specimen in three dimensions with tools beneath the lens; it is the correct instrument for dissection, inspection, and manipulation, not a compound microscope.
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<h2 class="PDq2pG_selectionAnchorContainer" data-section-id="bxblbi" data-start="0" data-end="23">What You Will Find:</h2>
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<ul>
<li>StereoBlue&trade; Stereo Microscopes for routine inspection, sample handling, and educational applications.</li>
<li>NexiusZoom&trade; Stereo Microscopes with continuous zoom magnification for detailed specimen examination.</li>
<li>Three-Dimensional Viewing for accurate observation of surface structures and fine details.</li>
<li>Integrated Illumination Options for clear, high-contrast imaging across a variety of samples.</li>
<li>Ergonomic Designs suited for dissection, quality control, assembly, and laboratory workflows.</li>
</ul>
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<h2>How to Choose a Stereo Microscope</h2>
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Zoom ratio and magnification range
Zoom ratio (the ratio of maximum to minimum magnification in the continuous zoom range) determines how much flexibility the instrument provides without changing objectives. A 10:1 zoom ratio from 7x to 70x (with 1x objective and 10x eyepieces) covers most biology, entomology, and inspection applications. Extended-range research models reach 16.4:1 (Olympus SZX16, 7x to 115x with 1x objective, up to 230x with 2x objective) for applications requiring both macro overview and high-magnification fine detail in a single instrument. Confirm that the magnification range covers both the lowest magnification needed for overview and the highest needed for fine structural detail.
Working distance
Working distance (the distance from the front of the objective to the specimen in focus) determines how much space is available to work under the lens. Standard benchtop stereo microscopes provide 80 to 115 mm working distance at minimum magnification with a 1x objective, adequate for most biological dissection. For surgical or microsurgical applications requiring larger instrument clearance, extended working distance objectives provide 150 to 200 mm or more. For electronics rework requiring access to PCB connectors and leads, confirm that the chosen configuration provides at least 90 to 100 mm.
Optical system: Greenough vs. Common Main Objective (CMO)
The Greenough design uses two independently angled optical systems converging on the specimen; it is the most widely used design in educational and routine research stereo microscopes due to its lower cost. The Common Main Objective (CMO) design uses a single large shared objective lens for both optical paths, producing a more nearly coaxial viewing geometry, improved apochromatic correction, better flatness of field, and easier fluorescence imaging; the design is used in all research-grade stereo microscopes from Zeiss, Leica, Olympus, and Nikon.
Illumination
Reflected LED ring-light illumination is standard for most biological and industrial stereo microscope applications; it provides even, shadow-minimizing illumination of specimen surfaces. Fiber optic illuminators (gooseneck or ring light) allow more directional, oblique, or dark-field illumination for surface relief and crack detection. Transmitted LED illumination (through a clear-glass or frosted-glass stage plate) is used for thin or semi-transparent specimens and organism whole-mounts. Fluorescence illumination (epi-fluorescence via a dedicated fluorescence port) is available on CMO research stereo microscopes for imaging fluorescent labels, GFP whole-mounts, and labeled organisms.
Head configuration
Binocular heads are standard for general observation. Trinocular heads add a vertical camera port for digital imaging and documentation without disrupting the eyepiece view. Confirm that the trinocular port is sized for C-mount cameras (the universal standard) and that the beam splitter does not significantly dim the eyepiece image during camera use.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Numerical aperture (NA) in stereo microscopes ranges from 0.10 to 0.30 on standard models, rising to 0.30 NA on high-resolution CMO research systems. Higher NA provides greater resolving power at maximum magnification and brighter fluorescence images. Apochromatic objectives correct chromatic aberration across the entire zoom range, producing color-faithful images without the color fringing visible in achromatic optics, which is important for documentation-quality imaging and fluorescence. Camera adapters for stereo microscopes are generally non-standard (0.5x, 1x, or 1.5x relay lens between the trinocular port and the C-mount camera), and the zoom position affects the camera's field of view; confirm the effective field of view at each zoom setting with the camera sensor size before ordering.&nbsp;
&nbsp;
To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

ESB-1903-Group-Microscopes Catalog

ESB-1903-Group-TDS-ESB-1903

ESB-1903-Group-TDS-ESB-1903-P

ESB-1903-Group-Choosing a Microscope Made Easy

StereoBlue Specifications

StereoBlue S Set Up and Use Guide

StereoBlue Stereo Microscopes Series

The StereoBlue™ stereo zoom microscope series by Globe Scientific provides 7×–45× magnification, 0.7×–4.5× parfocal zoom, WF 10×/21 mm eyepieces, and simultaneous incident and transmitted 3W LED illumination. Available as ESB-1903-P (trinocular, pillar stand), ESB-1903-P-DC18 (pillar stand + 18 MP CMEX-18 Pro USB-3 camera), ESB-1903 (trinocular, standard stand), and ESB-1903-DC18 (standard stand + 18 MP camera).

Trinocular stereo zoom microscope StereoBlue, 0.7x to 4.5x zoom objective, magnification from 7x to 45x, ergonomically pillar stand with incident and transmitted LED illumination

Trinocular stereo zoom microscope StereoBlue, 0.7x to 4.5x zoom objective, magnification from 7x to 45x, ergonomically pillar stand with incident and transmitted LED illumination, with CMEX-18 Pro, 18.0MP digital USB-3 camera with 1/2.3 inch CMOS sensor

Trinocular stereo zoom microscope StereoBlue, 0.7x to 4.5x zoom objective, magnification from 7x to 45x, ergonomically stand with incident and transmitted LED illumination

Trinocular stereo zoom microscope StereoBlue, 0.7x to 4.5x zoom objective, magnification from 7x to 45x, ergonomically stand with incident and transmitted LED illumination, with CMEX-18 Pro, 18.0MP digital USB-3 camera with 1/2.3 inch CMOS sensor

Urinalysis Slide

<h2 data-section-id="1wbl0e7" data-start="0" data-end="30">What Are Urinalysis Slides?</h2>
&nbsp;
Urinalysis slides are precision counting chamber slides designed for standardized microscopic examination of urine sediment. Unlike conventional wet mounts prepared under a standard coverslip, which produce variable and non-reproducible sample depths, urinalysis slides deliver a fixed, calibrated volume for consistent sediment counting and reporting.
Globe Scientific Quick-Read urinalysis slides contain integrated counting chambers, each holding a fixed volume of 6.3 &micro;L, with 10 chambers per slide. These chambers are available in two main formats: Precision Cell (with counting circles) and Precision Grid (with a structured grid). The standardized design ensures reproducibility for clinical reporting, quality control trending, and proficiency testing workflows. These slides are recommended whenever urine sediment counts must be consistent and comparable across users or laboratories.
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<h2 dir="ltr">What you will find:</h2>
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<li dir="ltr" aria-level="1">
Grid Complete Systems (I, II, and III) for fully standardized sediment analysis.
</li>
<li dir="ltr" aria-level="1">
Quick-Read&trade; precision cells and grids for rapid, accurate quantification.
</li>
<li dir="ltr" aria-level="1">
Complete urinalysis systems designed for high-throughput clinical screening.
</li>
<li dir="ltr" aria-level="1">
Specialized urinalysis pipettes available in bulk bags or cases.
</li>
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Urine collection cups with integrated transfer devices and temperature strips.
</li>
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Plastic vacuum tubes and transfer straws for secure specimen handling.
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&nbsp;
<h2 data-section-id="q0vbca" data-start="929" data-end="963">How to Choose Urinalysis Slides</h2>
&nbsp;
Counting Format: Circles vs Grid
Precision Cell slides use printed counting circles that are primarily used for reporting formed elements such as cells and casts per high-power field (HPF), where the circle defines a consistent observation area. Precision Grid slides use a grid layout, which is more suitable for enumerating bacteria, crystals, and other particulate elements where structured counting improves accuracy. Both formats maintain the same chamber volume of 6.3 &micro;L and the same 10-chamber configuration.
System Selection: Individual Components vs Complete Kits
Urinalysis products are available either as individual components or as complete systems. Complete kits include the slide, a calibrated transfer pipette, and a urine collection cup, providing a fully standardized workflow for clinical laboratories. Alternatively, laboratories can purchase slides and pipettes separately in bulk quantities to integrate into existing collection and handling systems.
Throughput and Workflow Efficiency
Each urinalysis slide contains 10 independent chambers, allowing up to 10 separate patient samples to be processed per slide. This configuration is designed for high-throughput clinical screening environments. In lower-volume settings, chambers may be used sequentially, provided proper sealing and handling protocols are followed between uses.
&nbsp;
<h2 data-section-id="1jl751w" data-start="2957" data-end="2982">Specifications Context</h2>
&nbsp;
Globe Scientific Quick-Read urinalysis slides (for example, catalog #3805) are optically clear chamber slides with an integrated coverslip system that eliminates the need for manual coverslip placement. Each chamber contains a fixed and reproducible 6.3 &micro;L volume of urine sediment, significantly reducing variability associated with traditional wet mount techniques, where inconsistent drop size and chamber depth can alter the number of visible formed elements.
Stop settling for "close enough" in your diagnostics. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Ask the MBP Team</a> for a quote right now because when it comes to precision, we don't just count, we make every cell count.

Sternheimer Malbin Urine Sediment Stain, 50mL/Bottle

3810 by Globe Scientific — Sternheimer-Malbin urine sediment stain, 50 mL bottle. Ready-to-use for rapid microscopic differential staining of urinary sediment. Compatible with the Globe Scientific Quick-Prep Urinalysis System. Available from MBP Inc. worldwide.