Brands

Universal Centrifuge Accessories

<h2>What Are Universal Centrifuge Accessories?</h2>
&nbsp;
Universal centrifuge accessories are the interchangeable components that determine the range of applications a universal centrifuge can perform. These include swing-out rotor buckets for blood tubes, conical tubes, microplates, and large bottles; fixed-angle rotors for high-speed pelleting; hematocrit and cytospin rotors; tube adapters; and aerosol-tight bio-containment lids. Selecting the appropriate accessories allows a single centrifuge to support multiple laboratory workflows efficiently and safely.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
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Tube adapters and inserts for compatibility with multi-volume samples&nbsp;
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Fixed-angle and swing-out rotors for varied centrifugation applications
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Lids and sealed buckets for safe and reliable operations
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PCR adapters and microplate carriers for high-throughput workflows
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Centrifuge tubes, holders, and supporting aids for efficient and complete setups
</li>
</ul>
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<h2>How to Choose Universal Centrifuge Accessories</h2>
&nbsp;
Swing-Out Bucket Selection by Application
Choose swing-out buckets according to the sample formats used in your laboratory. Blood tube buckets support routine clinical applications, conical tube buckets are suitable for cell culture and molecular biology, microplate carriers enable high-throughput workflows, and large-bottle carriers accommodate large-volume sample processing.
Fixed-Angle Rotors
Fixed-angle rotors provide higher centrifugal forces for microtube, PCR tube, and small-volume sample processing. Ensure that both the rotor and centrifuge motor specifications support the required operating speeds and sample formats.
Cytospin Clip Rotors
Cytospin rotors are designed for preparing microscope slides from low-cellularity samples such as body fluids. Verify compatibility with the required funnel sizes and use bio-containment features when processing potentially infectious materials.
Bio-Containment Lids
Aerosol-tight lids help contain biological samples during centrifugation and support safe laboratory practices. Regular inspection of sealing components and O-rings ensures reliable containment and long-term performance.
Reducing Adapter Inserts
Adapter inserts allow smaller tubes to fit securely within larger bucket positions. Using properly matched adapters improves balance, prevents movement during operation, and helps maintain consistent centrifugation results.
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<h2>Specifications Context</h2>
&nbsp;
Modern universal centrifuge systems support interchangeable accessory configurations that enable rapid transitions between clinical, research, cell culture, and cytology workflows. Swing-out buckets, fixed-angle rotors, and microplate carriers provide flexibility while maintaining compatibility with a broad range of vessel formats.
Routine inspection and maintenance of accessories, including adapters, lids, and sealing components, help ensure safe operation and extend equipment lifespan. Advances in bio-containment systems and modular rotor designs continue to improve laboratory efficiency and versatility.
Time to upgrade your universal centrifuge accessories. <a href="https://mbpinc.net/contact-us">Contact the expert team </a>of Molecular Biology Products Inc. (MBP) and the find perfect match today.

100ml inserts for Z326-100H rotor, 2/pk.

Z326-100H-A100 by Hermle are 100 ml hermetically sealed inserts (2/pack) for the Z326-100H swing-out rotor, providing airtight biosafety containment during centrifugation in Hermle Z306 and Z326 universal centrifuges. The hermetic closure prevents aerosol generation with biological or hazardous samples.

Manufacture

Cell Culture Inserts

<h2 dir="ltr">What are Cell Culture Inserts?</h2>
 Cell culture inserts (also called Transwell inserts or permeable supports) are sterile, single-use polystyrene well inserts with a permeable membrane floor that suspend cells above the bottom of a standard multi-well plate, creating separate apical (upper, inside insert) and basolateral (lower, outside insert in the well below) compartments. The membrane allows diffusion of media, nutrients, metabolites, and signaling molecules between the two compartments while physically separating the two cell populations.&nbsp;Choose PET membranes for imaging and clear-bottom visualization; choose PC membranes for superior cell attachment; choose pore size based on whether cells need to migrate through the membrane (&ge;3 &micro;m) or be retained on it (0.4 &micro;m and 1 &micro;m).
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="color: #000000;" role="presentation">6 Inserts / 6-Well Plate for Tissue Engineering - Ideal for skin models and complex cell differentiation where a larger surface area is required.</li>
<li dir="ltr" style="color: #000000;" role="presentation">12 Inserts / 12-Well Plate for Transport Assays - Balanced format for nutrient diffusion studies and metabolic monitoring.</li>
<li dir="ltr" style="color: #000000;" role="presentation">12 Inserts / 24-Well Plate for&nbsp;High Throughput Screening - Designed for migration and chemotaxis assays with efficient reagent use.</li>
<li style="color: #000000;">SPLInsert&trade; Hanging formats with transparent, sterile PC or PET membranes.</li>
<li style="color: #000000;">SPLInsert&trade; Standing format for cell culture insert applications.</li>
<li style="color: #000000;">100 mm cell culture insert dishes with 3.0 &mu;m PC membranes, translucent construction, tissue-culture treatment, and sterile packaging.</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Cell Culture Inserts</h2>
 PET vs. PC Membrane PET (polyethylene terephthalate) membranes are optically transparent, allowing direct visualization of cells growing on the membrane by standard phase-contrast and fluorescence microscopy without removing the insert. PET is the first choice when imaging cells on the membrane is part of the experimental readout (tight-junction immunofluorescence, GFP localization, wound-healing on the membrane). PC (polycarbonate) membranes provide superior cell attachment due to their higher surface energy &mdash; often used for primary epithelial, endothelial, and intestinal cells that are difficult to culture on PET. PC membranes are opaque, blocking transmitted light microscopy through the membrane. Pore Size by Application 0.4 &micro;m pore inserts prevent cell migration and cell-cell contact between apical and basolateral compartments while allowing free diffusion of molecules &lt;0.4 &micro;m (nutrients, cytokines, small molecules, metabolites). Standard for epithelial barrier function assays (TEER measurement, permeability assays), secretion studies (measuring cytokine secretion from the basolateral side), and any co-culture where cell-cell contact must be prevented. 1 &micro;m pore inserts similarly prevent cell migration but allow slightly larger molecule diffusion &mdash; used for exosome transport studies. 3 &micro;m pore inserts allow poorly migratory cells (some endothelial, fibroblast lines) to migrate through. 8 &micro;m pore inserts support tumor cell migration, invasion, chemotaxis, and hematotaxis assays &mdash; the standard pore size for Boyden chamber&ndash;style migration and invasion assays. Plate Format and Insert Configuration NEST Scientific inserts are pre-packed in multi-well plates: 6-well plate format (6 inserts per plate), 12-well plate format (12 inserts per plate), 24-well plate format (12 inserts per plate). Inserts are centered in wells by their flange geometry, preventing the membrane from touching the well sides and creating a wicking path. The apical-basolateral gap (distance from membrane floor to well bottom) is designed to allow media access to the basolateral face and pipette access to the lower chamber for sampling. TC-Treated vs. Non-Treated Membrane TC-treated membrane inserts promote adherent mammalian cell monolayer formation on the insert membrane. Non-treated membrane inserts (some PC formats) are used for migration and invasion assays where cells in the apical chamber must actively migrate through the membrane pore to reach the basolateral side &mdash; a non-treated surface reduces passive cell adhesion that would produce false-positive migration signals. Transferability NEST Scientific cell culture inserts can be transferred from one plate to a fresh plate for media changes, cumulative secretion studies, and time-course experiments &mdash; a key advantage over the non-insert well format. Transfer the insert using sterile forceps or the insert flange. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific cell culture inserts are manufactured from polystyrene with PET or PC membranes in TC-treated (vacuum plasma, contact angle &lt;10&deg;) or non-treated formats. Inserts are packed in individually sealed, peelable Tyvek film and blister packaging for sterility assurance &mdash; one plate per pack, sterile. E-beam sterilized to SAL 10⁻⁶; DNase/RNase-free and non-pyrogenic per lot. The insert flange geometry is designed to center the insert in the well, preventing membrane-wall contact and wicking. NEST Scientific cell culture inserts in PET and PC membranes across the four pore sizes (0.4, 1, 3, 8 &micro;m) and three plate formats (6-, 12-, 24-well) are available from MBP. 
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Bridge the gap between routine culture and physiological discovery. Optimize your laboratory procurement with&nbsp;Molecular Biology Products Inc. <a href="https://mbpinc.net/contact-us">Connect with our specialists</a> for a customized quote today.

Datsheet

DataSheet

Cell Culture Insert Specifications

100mm Cell Culture Insert-Dish, 3.0 μm, PC Membrane, Translucent, TC, Sterile, 1/pk, 10/cs

726001 by NEST Scientific is a 100 mm cell culture insert-dish with a 3.0 μm polycarbonate (PC) membrane (75 mm insert, 44 cm² growth area), TC treated and E-beam sterilized to SAL 10⁻⁶. The translucent PC membrane supports migration/invasion assays, epithelial polarity studies, and co-culture systems; it is compatible with standard fixatives and fluorescent dyes. Supplied 1/pk, 10/case in peelable Tyvek packaging.

Surface Treatment

Pore Size (μm)

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/Pack

/Case

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<h2>What Are Muffle Furnaces?</h2>
&nbsp;
A muffle furnace is a sealed, electrically heated box furnace in which the ceramic muffle chamber isolates the sample entirely from the heating elements, preventing direct contact with resistive wires and ensuring that any combustion by-products from the sample are vented away from the heating system. Modern muffle furnaces use electric resistance heating rather than combustion fuels, but the muffle design continues to provide contamination-free heating by radiating and convecting heat uniformly from all chamber walls. Standard muffle furnaces with Kanthal (FeCrAl) metallic wire elements reach 1,000-1,200 degrees C continuous working temperature; high-temperature models with silicon carbide (SiC) elements reach 1,400-1,600 degrees C; and ultra-high-temperature models with molybdenum disilicide (MoSi2) elements reach 1,700-1,800 degrees C. The continuous working temperature is typically 100 degrees C below the stated maximum temperature and is the more operationally relevant specification. Choose the muffle furnace type based on the continuous working temperature your process requires, not the maximum temperature rating.
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<h2 dir="ltr">What You Will Find:</h2>
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<ul>
<li dir="ltr" aria-level="1">
Controlled atmosphere muffle furnaces allow you to run experiments under specific gas conditions or vacuum, featuring ETL/CE certification for total peace of mind.
</li>
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Multi-segment PID controllers give you incredible precision over your heating cycles, letting you program complex temperature ramps with up to 30 segments.
</li>
<li dir="ltr" aria-level="1">
Benchtop muffle furnaces utilize high-quality Kanthal heating elements to deliver rapid and even heat distribution in a compact, space-saving design.
</li>
<li dir="ltr" aria-level="1">
PC interface furnace systems make data logging and remote monitoring a breeze, so you can track your thermal runs directly from your computer.
</li>
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High-temperature muffle units reach extreme thresholds up to 1750&deg;C, perfect for demanding industrial applications and specialized material science research.
</li>
</ul>
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<h2>How to Choose a Muffle Furnace</h2>
&nbsp;
Heating element and maximum temperature
Kanthal (FeCrAl alloy) wire elements are the most affordable and suitable for continuous use to 1,100-1,200 degrees C for standard ashing, LOI, calcination, and low-temperature ceramic work. Silicon carbide rod elements withstand continuous use to 1,450-1,550 degrees C with good thermal shock resistance, appropriate for advanced ceramic sintering and glass melting. Molybdenum disilicide (MoSi2) U-bend elements extend continuous use to 1,600-1,700 degrees C, covering high-temperature ceramics, refractories, and demanding materials research; they require specific operating humidity and atmosphere conditions to prevent element degradation.
Chamber volume and dimensions
Chamber volume (in liters) and internal dimensions (H x W x D in centimeters) determine how many crucibles or sample boats fit per run. Compact benchtop models with 1-4 L chambers suit single-sample analytical ashing and small-batch research. Mid-size models of 5-15 L accommodate multiple crucibles for batch ceramic sintering or parallel LOI measurements. Large-chamber units above 15 L are designed for industrial or pilot-scale heat treatment. Confirm that your largest crucible and sample holder fit within the internal dimensions before specifying.
Programmable controller vs. single setpoint
Single-setpoint PID controllers maintain a fixed temperature and are appropriate for routine ashing at a defined temperature (e.g., 550 degrees C for organic matter, 900 degrees C for carbonates). Programmable multi-segment controllers (typically 20-30 segments) enable automated ramp-hold-cool sequences, which are critical for ceramic sintering profiles where controlled heating rates prevent thermal shock and cracking, for annealing protocols requiring slow controlled cooling, and for glass melting with defined viscosity transitions. RS-232 or USB connectivity allows protocol logging for audit and reproducibility.
Vent port and exhaust management
Muffle furnaces designed for organic ashing and combustion applications include a vent port in the door or top panel to exhaust volatile combustion gases, preventing pressure build-up and protecting the heating element from reactive vapors. Ashing in a poorly vented furnace accelerates element degradation. When ashing sulfur-bearing, halogen-containing, or heavy-metal samples, operate the furnace in a fume hood or ventilated enclosure and confirm that vent gases are safely handled.
Safety features
Research-grade muffle furnaces include over-temperature protection that automatically cuts furnace power when chamber temperature exceeds a preset safety threshold (typically 50-100 degrees C above the setpoint). Door safety switches cut power or trigger an alarm on accidental door opening at high temperatures. Ceramic fiber insulation ensures that outer surface temperatures remain below 50 degrees C during rated operation, reducing burn hazard.
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<h2>Specifications Context</h2>
&nbsp;
The continuous working temperature of a muffle furnace is typically 100 degrees C below the published maximum, and is the specification that governs whether the furnace will complete overnight sintering runs without element degradation. Heating rate from ambient to maximum temperature is typically 5-30 degrees C per minute; a 4.5 L benchtop muffle furnace with ceramic fiber insulation typically reaches 1,000 degrees C in approximately 30-40 minutes at maximum ramp rate. Temperature uniformity across the muffle chamber is specified as plus or minus 5-15 degrees C at maximum temperature; better uniformity requires larger clearance around samples and slower heating rates. Programmable controllers with 30-segment ramp-and-dwell capability, over-temperature protection, and USB data export are standard specifications on research-grade muffle furnaces.&nbsp;
&nbsp;
Ready to bring some high-precision heat to your lab? Browse our muffle furnace collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote today.

Muffle Furnaces

1050Â°C 4x4x4" Compact Muffle Furnace w/ 30-Seg PID Controller

Model

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Chamber usable space (DxWxH)

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Refractory lining

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<h2>What are epigenetics enzymes and inhibitors?</h2>
&nbsp;
Epigenetics enzymes and inhibitors are the molecular tools for directly studying or modulating the enzymatic machinery that writes, erases, or reads epigenetic marks. The major classes include: DNA methyltransferases (DNMT1, DNMT3A, DNMT3B), which catalyze the addition of a methyl group to cytosine; TET family enzymes (TET1, TET2, TET3), which oxidize 5-methylcytosine to 5-hydroxymethylcytosine; histone acetyltransferases (HATs) and histone deacetylases (HDACs), which add and remove acetyl groups from histone lysine residues; and histone methyltransferases (HMTs) including EZH2, DOT1L, and G9a. Small-molecule inhibitors of HDAC and DNMT enzymes are the most clinically and experimentally advanced of these tools.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Micrococcal nuclease for nucleosome mapping and controlled chromatin digestion applications</li>
<li dir="ltr" role="presentation">DNA shearing enzymes for consistent fragmentation of DNA in sequencing and epigenetic workflows</li>
<li dir="ltr" role="presentation">DNA degradation enzymes for controlled breakdown and analysis of nucleic acids&nbsp;</li>
<li dir="ltr" role="presentation">CpG methylase enzymes for targeted DNA methylation (CpG-specific )&nbsp; in epigenetic modification studies</li>
<li dir="ltr" role="presentation">5-hmC glucosyltransferase for detection and labeling of hydroxymethylcytosine in DNA</li>
<li dir="ltr" role="presentation">SAM (S-adenosylmethionine) cofactors for supporting enzyme activity and methylation reactions</li>
<li dir="ltr" role="presentation">DNA digestion enzymes for genomic DNA processing workflows</li>
<li dir="ltr" role="presentation">dsDNA nuclease systems for controlled cleavage and analysis of double-stranded DNA</li>
</ul>
&nbsp;
<h2>How to choose epigenetics enzymes and inhibitors</h2>
&nbsp;
Choose DNMT inhibitors to globally reduce or deplete DNA methylation in cells
Nucleoside analog DNMT inhibitors like 5-azacytidine and decitabine incorporate into DNA and trap DNMT1, preventing maintenance methylation and causing passive demethylation through DNA replication, while newer non-nucleoside DNMT inhibitors are in development for more selective, non-genotoxic methylation reduction.
Choose HDAC inhibitors to globally increase histone acetylation
HDAC inhibitors including pan-HDAC hydroxamates like vorinostat (SAHA) or class-selective compounds reduce histone deacetylase activity and cause hyperacetylation of histone lysine residues, broadly promoting gene expression at silenced loci. HDAC inhibitors are the most clinically advanced class of epigenetic therapeutics, with multiple FDA-approved compounds.
Use TET enzyme preparations for in vitro 5-hmC oxidation studies
Purified TET1, TET2, or TET3 enzyme preparations allow controlled in vitro oxidation of 5-methylcytosine to 5-hydroxymethylcytosine and further oxidation products, useful for generating defined 5-hmC-containing substrate DNA or studying TET enzyme activity and selectivity.
Choose EZH2 or other HMT inhibitors for studying PRC2-dependent gene silencing
EZH2, the catalytic subunit of polycomb repressive complex 2 (PRC2), catalyzes H3K27 trimethylation (H3K27me3), a histone modification associated with repression of tumor suppressor genes, and EZH2 inhibitors like tazemetostat are used in research to probe the role of this silencing mark.
Combine inhibitors to study epistatic relationships between epigenetic marks
Because DNA methylation, histone acetylation, and histone methylation are mechanistically linked, combining HDAC inhibitors with DNMT inhibitors can produce synergistic effects on gene expression exceeding either alone, and these combination approaches are both experimental tools and the basis for combination epigenetic therapy research.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
HDAC and DNMT inhibitors are the most clinically advanced classes of epigenetic therapeutics, with multiple HDAC inhibitors including vorinostat and romidepsin approved for hematological malignancies, EZH2 inhibitors including tazemetostat having received accelerated approval, and multiple BET inhibitors in clinical trials. As of 2026, CRISPR/dCas9 systems fused with DNMTs, TETs, and HDACs enable locus-specific epigenome editing, extending classic enzyme and inhibitor approaches toward targeted epigenetic modulation.
<a href="https://mbpinc.net/contact-us">Contact the expert team at MBP</a> and find the suitable enzymes and inhibitory reagents for your lab.

Enzymes & Inhibitors

MSDS

10X CpG Reaction Buffer (1 ml)

The 10X CpG Reaction Buffer (E2010-2) by Zymo Research is a 1 mL concentrate formulated for use with CpG methylase M.SssI for complete in vitro methylation of CpG dinucleotides in double-stranded DNA. Sold as a standalone buffer replacement for the E2010/E2011 CpG Methylase set.

Shipping Condition

Storage Condition

<h2>What Are Zymo Research Buffers?</h2>
Zymo Research buffers are formulation-specific reagents used at defined steps &mdash; lysis, binding, wash, and elution &mdash; in Zymo-Spin column-based purification protocols for DNA, RNA, and bisulfite-converted DNA. Each buffer is optimized for a specific kit family: DNA Wash Buffer concentrate (requires ethanol addition before use) removes salts and contaminants before elution from Zymo-Spin silica columns; DNA Elution Buffer (10 mM Tris, pH 8.5, 0.1 mM EDTA) releases purified DNA from the matrix; RNA Wash Buffer supports RNA extraction kits including Quick-RNA and Direct-zol lines; M-Elution Buffer is designed for eluting bisulfite-converted DNA in EZ DNA Methylation kits. Researchers typically order these separately when a single buffer component runs out before the rest of the kit, or when scaling up a protocol beyond the volume included.
TL;DR: Order Zymo buffers individually to replenish a specific step in your existing Zymo workflow without replacing the full kit.
<h2>How to Choose Zymo Research Buffers</h2>
<h3>Match the buffer to your kit family</h3>
Every Zymo buffer is paired to a specific kit line. DNA Wash Buffer and DNA/RNA Wash Buffer concentrate are used in DNA Clean &amp; Concentrator, Quick-DNA, and Zymoclean Gel DNA Recovery kits. RNA Wash Buffer pairs with Quick-RNA kits. ZymoBIOMICS DNA Wash Buffer 1 and Wash Buffer 2 are specific to the ZymoBIOMICS microbiomics line. Substituting a buffer from a different kit family can compromise yield or purity.
<h3>Confirm ethanol addition requirements before use</h3>
Several Zymo wash buffer concentrates require addition of 96-100% ethanol to the bottle before first use &mdash; the label states the exact volume. DNA Wash Buffer concentrate, DNA/RNA Wash Buffer concentrate, and Urine DNA Wash Buffer concentrate all require this step. Pre-made (non-concentrate) versions such as RNA Wash Buffer are supplied ready to use.
<h3>Select the right volume for your throughput</h3>
Zymo buffers are available in sizes from 6 ml (single-experiment replenishment) up to 500 ml (Buffer P1 Red, for high-volume plasmid prep labs). For labs processing more than 50 samples per week, ordering the largest available size reduces per-sample cost and the frequency of reordering.
<h3>Choose elution buffer chemistry based on downstream application</h3>
DNA Elution Buffer (10 mM Tris pH 8.5, 0.1 mM EDTA) is the standard for most PCR and sequencing applications. For applications sensitive to EDTA &mdash; such as some restriction enzyme digests or direct use with divalent cation-dependent enzymes &mdash; eluting in molecular-grade water or a Tris-only buffer is preferable. M-Elution Buffer is specifically formulated for bisulfite-converted DNA and should not be substituted with standard elution buffer in methylation workflows.
<h3>Verify research-use-only status</h3>
All Zymo Research buffers sold through MBP are for research use only (RUO). They are not cleared for in vitro diagnostic use. For clinical or diagnostic laboratory applications, confirm regulatory status with your institutional compliance officer before use.
<h2>Compare Zymo Buffer Types</h2>
<table>
<thead>
<tr>
<th>Buffer Type</th>
<th>Primary Application</th>
<th>Kit Family</th>
<th>Format Available</th>
</tr>
</thead>
<tbody>
<tr>
<td>DNA Wash Buffer (concentrate)</td>
<td>Salt removal before DNA elution</td>
<td>DNA Clean &amp; Concentrator, Quick-DNA</td>
<td>6 ml &ndash; 200 ml</td>
</tr>
<tr>
<td>DNA/RNA Wash Buffer (concentrate)</td>
<td>Salt removal for dual DNA/RNA preps</td>
<td>Quick-DNA/RNA kits</td>
<td>6 ml &ndash; 200 ml</td>
</tr>
<tr>
<td>DNA Elution Buffer (10 mM Tris pH 8.5, 0.1 mM EDTA)</td>
<td>DNA release from silica column</td>
<td>All Zymo DNA purification</td>
<td>16 ml &ndash; available sizes vary</td>
</tr>
<tr>
<td>RNA Wash Buffer</td>
<td>RNA purification wash step</td>
<td>Quick-RNA kits</td>
<td>Ready-to-use</td>
</tr>
<tr>
<td>M-Elution Buffer</td>
<td>Elution of bisulfite-converted DNA</td>
<td>EZ DNA Methylation kit families</td>
<td>Small volume</td>
</tr>
<tr>
<td>ZymoBIOMICS DNA Wash Buffer 2</td>
<td>Metagenomic/microbiomic DNA cleanup</td>
<td>ZymoBIOMICS DNA kits</td>
<td>Sold separately</td>
</tr>
<tr>
<td>Buffer P1 Red</td>
<td>Alkaline lysis resuspension (plasmid prep)</td>
<td>Zyppy Plasmid Miniprep</td>
<td>10 ml &ndash; 500 ml</td>
</tr>
</tbody>
</table>
<h2>Specifications Context</h2>
Zymo wash buffer concentrates are supplied at a defined fold-concentration (commonly 4x or 6x) and require ethanol addition to reach working strength &mdash; the exact ratio is printed on the bottle and in the kit protocol. Elution buffer volumes for Zymo-Spin columns typically range from 6 to 100 &micro;l per elution; larger elution volumes improve total yield at the cost of DNA concentration. For DNA elution from Zymo-Spin columns, the protocol recommends a minimum 1-minute contact time between elution buffer and the silica matrix to maximize recovery of fragments 10 kb and above. As of 2025, Zymo Research tests all buffer lots for performance consistency, with integrity guaranteed for up to one year from purchase date.
Browse the full <a href="https://www.notion.so/reagents">Zymo Research reagents collection at MBP</a> for kits and columns that use these buffers, or visit our <a href="https://www.notion.so/reagents/buffers">reagent buffers category</a> for non-Zymo buffer options including ABM and other brands. For volume orders or purchase orders, use the <a href="https://www.notion.so/quickorder">Quick Order</a> tool or <a href="https://www.notion.so/contact-us">contact us</a> directly &mdash; MBP is a registered vendor for institutional procurement systems.
Last updated: June 2025
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Zymo Buffers

10X DSN Digestion Buffer (5 ml)

10X DSN Digestion Buffer (5 ml) (E1020-2-5) by Zymo Research — 10× concentrated reaction buffer for use with PureRec Duplex-Specific Nuclease (DSN). Supports degradation of dsDNA and DNA in DNA-RNA hybrids. Made in California, USA.

<h2>What are 5-hmC ELISA kits?</h2>
&nbsp;
5-hmC ELISA kits are antibody-based assays formulated specifically to quantify 5-hydroxymethylcytosine, the oxidized derivative of 5-methylcytosine produced by TET family enzymes, in a genomic DNA sample. The assay typically uses denatured single-stranded DNA coated on a plate well, recognized by an anti-5-hmC primary antibody and developed with an HRP-conjugated secondary antibody for a colorimetric readout proportional to the global level of 5-hmC in the sample.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">DNA hydroxymethylation ELISA assay kits for 5-hmC levels quantification</li>
<li dir="ltr" role="presentation">DNA methylation ELISA kits for comparative gene regulation analysis and measurement of 5-mC&nbsp;</li>
<li dir="ltr" role="presentation">DNA standards for accurate methylation and hydroxymethylation quantification&nbsp;</li>
<li dir="ltr" role="presentation">Control DNA sets and assay controls for experimental accuracy, validation, and reproducibility</li>
<li dir="ltr" role="presentation">HRP-based antibodies for the specific detection in ELISA workflows</li>
<li dir="ltr" role="presentation">ELISA coating and reaction buffers for enhanced assay performance and setup</li>
<li dir="ltr" role="presentation">Signal development reagents for quantitative readout and chemiluminescent or colorimetric detection</li>
</ul>
&nbsp;
<h2>How to use 5-hmC ELISA kits</h2>
&nbsp;
Confirm 5-hmC is detectable at relevant levels in your cell type or tissue
5-hmC is most abundant in neurons and embryonic stem cells, where it can constitute up to 20% of total modified cytosines in neuronal DNA, while most cultured cell lines have much lower 5-hmC levels that may fall below a plate-based antibody assay's reliable detection limit. Checking published 5-hmC abundance for your specific cell type helps confirm whether ELISA-level detection is appropriate before committing samples to the assay.
Use a set of mixed methylation standards to build a calibration curve
Running defined mixtures of 5-hmC-containing and unmethylated DNA at known ratios generates a standard curve that lets you convert the raw absorbance signal to an actual global hydroxymethylation percentage, since the assay signal alone cannot be interpreted as an absolute level without this calibration.
Confirm your antibody's specificity for 5-hmC versus 5-mC
Anti-5-hmC antibodies used in these kits are selected for specificity to 5-hydroxymethylcytosine rather than 5-methylcytosine, but published cross-reactivity data for the specific antibody in your kit is worth checking, particularly when studying sample types where both marks are present at similar levels.
Plan your experimental design to include appropriate negative and positive controls
Including a negative control (unmethylated DNA, expected to give background-level signal) and a positive control (5-hmC-containing DNA of known level) in every plate confirms the assay is performing as expected and catches plate-to-plate variability before it affects result interpretation.
Understand ELISA gives global level, not locus-specific 5-hmC information
A 5-hmC ELISA measures the average hydroxymethylation level across all DNA in the sample; it does not reveal which specific CpG sites carry 5-hmC, which requires hMeDIP-seq or TAB-seq for regional or base-level resolution respectively.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Anti-5-hmC antibodies used in ELISA formats are validated specifically for 5-hydroxymethylcytosine and selected for minimal cross-reactivity with 5-methylcytosine, since distinguishing these two modifications is the primary purpose of a dedicated 5-hmC assay rather than a general methylation assay. As of 2026, 5-hmC ELISA kits remain a standard first-pass tool in studies where many samples need to be screened for differences in global hydroxymethylation level before committing a smaller subset to high-resolution sequencing methods.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. (MBP) and find reliable ELISA kits and reagents for your lab.

ELISA Kits & Reagents

10X ELISA Buffer

For use with Zymo Research purification products.

10X ELISA Buffer (30 ml)

10X ELISA Buffer (60 ml)

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>
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<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="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
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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.
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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>
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<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
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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.
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<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
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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.
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<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
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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

<h2 data-section-id="1k6o3gy" data-start="0" data-end="50">What Are Midicentrifuge Tubes (5 mL and 10 mL)?</h2>
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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.
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<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>
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<h2 data-section-id="1vogm0p" data-start="945" data-end="982">How to Choose Midicentrifuge Tubes</h2>
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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.
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<h2 data-section-id="um8esp" data-start="2800" data-end="2829">Compare Midi Tube Variants</h2>
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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.
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<h2 data-section-id="1ezckh3" data-start="3567" data-end="3597">Specifications and Features</h2>
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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)

Product Literature

DataSheet - 6292/6293

10mL Screwcap Centrifuge Tubes

6292/6293 by Globe Scientific are 10 mL polypropylene screwcap centrifuge tubes (16 × 100 mm) rated to 3,000 × g, with white printed graduations and a large white writing area. SKU 6292 is non-sterile with a separate natural cap; SKU 6293 is gamma-irradiation sterilized with an attached yellow cap. Both are confirmed compatible with standard 15 mL rotor positions, and SKU 6292 fits the bioMerieux® PREVI™ Isola automated plate streaker system.

Centrifuge Tube, 10mL, with Separate Natural PP Screw Cap, PP, Printed Graduations, Tubes packed 100/Bag, 10 Bags/Unit & Caps packed 500/Bag, 2 Bags/Unit, CS/1000

Centrifuge Tube, 10mL, with Attached Yellow PP Screw Cap, PP, Printed Graduations, STERILE, 100/Bag, 10 Bags/Unit, CS/1000

Transport Tubes

<h2 dir="ltr">What are Transport Tubes?</h2>
 Transport tubes are sterile, leak-proof screw-cap tubes used for collecting, transporting, and temporarily storing biological specimens from the collection site to the testing laboratory. They span a broad category: empty specimen containers (15 mL and 50 mL self-standing conical tubes), pre-filled saline transport tubes, UTM (Universal Transport Medium) tubes, and specialty specimen vials. All transport tubes share three required attributes&mdash;leak-proof construction, sterility confirmation, and compatibility with the downstream assay's matrix requirements. Choose the transport tube type based on the specimen, the target analyte, and the assay platform it will be processed on. 
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">5 mL transport tubes for routine sample movement</li>
<li dir="ltr" role="presentation">10 mL tubes for higher volume biological samples</li>
<li dir="ltr" role="presentation">Leak-tight screw-cap tubes for secure handling</li>
<li dir="ltr" role="presentation">Sterile transport tubes for clinical workflows</li>
<li dir="ltr" role="presentation">Graduated tubes with labeling surfaces for tracking</li>
<li dir="ltr" role="presentation">Self-standing tubes for easier bench organization</li>
</ul>
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<h2 dir="ltr">How to Choose Transport Tubes</h2>
 Material: Polypropylene (PP) vs. Polystyrene (PS) PP conical transport tubes are chemical-resistant, autoclavable, and certified DNase/RNase-free in molecular-grade formats. PS transport tubes (30 mL translucent format, Globe Scientific) are lighter and less expensive but not autoclavable. For nucleic acid work, DNA/RNA-free certified PP is the standard. For specimen transport requiring centrifugation, PP is preferred due to higher g-force tolerance (PP rated to &ge;10,000 &times; g in most formats). Self-Standing vs. Rack Format Self-standing (skirted-base) conical tubes stand upright without a rack, reducing knock-over risk during aliquoting and transport. Rack-based tubes require a separate holder. Globe Scientific self-standing 50 mL PP transport tubes feature a printed graduation, white frosted writing area, and are available sterile, non-sterile, or metal-free. Sterile tubes are RNase/DNase-free and pyrogen-free per the lot certificate. Sterile vs. Non-Sterile Sterile tubes (ISO 11137 radiation sterilization, SAL 10⁻⁶) are required for culture, NAAT, and any specimen where contamination would invalidate the result. Non-sterile metal-free PP tubes are suited to trace-element analysis and environmental sampling where sterility is not required but metal contamination would interfere. Volume 15 mL tubes are standard for most clinical specimen aliquots, urine transfers, and culture setups. 50 mL tubes are used for higher-volume specimens (24-hour urine aliquots, stool homogenates, bulk transport of tissue homogenates). Globe Scientific 30 mL tubes with integral spoon are designed specifically for fecal specimen self-collection. Media and Additives Empty transport tubes (no fill) are the base format; select a pre-filled tube (saline, UTM, boric acid) based on the specimen type and analyte stability requirements. For nucleic acid targets, pre-filled tubes with DNA/RNA Shield, UTM, or saline are the appropriate formats. 
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific self-standing 50 mL conical transport tubes are manufactured from USP Class VI medical-grade PP with a conical bottom skirt for freestanding stability. Printed graduation marks (1 mL intervals) and a frosted writing area are standard features. Sterile versions are individually wrapped and certified RNase-free, DNase-free, and pyrogen-free per lot certificate, consistent with ISO 9001:2015 manufacturing standards. Non-sterile metal-free versions are supplied with a separate natural screw cap and are tested for trace metals via ICP-MS before lot release. MBP's transport tubes catalog includes Globe Scientific and NEST Scientific formats in multiple pack sizes (25/bag and bulk packs of 500). 
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If you need help choosing tube size or matching the right transport format to your workflow,<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;"> the MBP team</a> can help you sort it out without overthinking it.

Transport Tube Products

Tubes, Caps & Racks Catalog

Lab Supplies for Physicians Offices

TDS - 6101 Series

TDS - 6102 Series

10mL Self-Standing Transport Tubes

6101 by Globe Scientific — 5 mL clear polypropylene self-standing transport tube with separate white PE screw cap. Non-sterile, autoclavable, molded graduations, 16 &times; 56 mm, 1000/cs. For specimen transport and sample storage.

Transport Tube, 5mL, with Separate White Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Separate Screw Cap, AMBER, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Separate Blue Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Separate Green Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Separate Red Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Separate Yellow Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Attached White Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 5mL, with Attached White Screw Cap, STERILE, PP, Conical Bottom, Self-Standing, Molded Graduations, 25/Bag, CS/500

Transport Tube, 5mL, No Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

6102 by Globe Scientific is a 10mL polypropylene self-standing transport tube with a separate white screw cap, conical bottom, and molded graduations — non-sterile, 1,000 per case. Freeze-resistant polypropylene construction and a self-standing base make these tubes suitable for specimen transport, aliquoting, and sample banking in clinical and research laboratories.

Transport Tube, 10mL, with Separate White Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Separate Blue Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Separate Green Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Separate Red Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Separate Yellow Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Separate Screw Cap, AMBER, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Attached White Screw Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Transport Tube, 10mL, with Attached White Screw Cap, STERILE, PP, Round Bottom, Self-Standing, 25/Bag, 20 Bags/Case, CS/500

Transport Tube, 10mL, with Separate Red Screw Cap with Hole for Swab, STERILE, PP, Round Bottom, Self-Standing, Bulk Packed, 2 x 500 Tubes/Bag & 1 x 1000 Caps/Bag (1000 pcs), CS/1000

Transport Tube, 10mL, No Cap, PP, Conical Bottom, Self-Standing, Molded Graduations, CS/1000

Filtered Pipette Tips

<h2 dir="ltr"> What Are Filtered Pipette Tips?</h2>
 Filtered pipette tips contain a hydrophobic aerosol-barrier plug &mdash; polyethylene (PE) frit or cellulose &mdash; embedded inside the tip body, positioned to intercept aerosol and liquid that would otherwise travel up through the tip collar into the pipette barrel during dispensing or when handling volatile or splashing samples. The filter protects the pipette barrel from internal contamination (which requires costly professional decontamination) and protects samples from cross-contamination by previously deposited nucleic acids, proteins, or biohazardous material in the barrel. Filtered tips are the standard consumables for PCR and qPCR setup, RNA extraction, cDNA synthesis, working with radioactive or biohazardous agents, and any workflow where a single contaminated barrel could compromise a run or an experiment. Non-filtered tips remain appropriate for routine buffer, media, and reagent dispensing where cross-contamination through the barrel is not a concern. Use filtered tips for all nucleic acid work, PCR, and biohazardous samples; use standard tips for routine buffer and reagent dispensing.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips" title="Universal Fit Filter Tips">Universal Fit Filter Tips:</a> &ndash; Designed to fit a wide range of standard pipettes, with options including wide-bore, low-retention, sterile, RNase/DNase-free, and aerosol barrier formats to support diverse liquid handling applications while maintaining sample integrity.</li>
<li><a href="https://mbpinc.net/consumables/liquid-handling-products/filtered-pipette-tips/lts-compatible-filter-tips" title="LTS Compatible Filter Tips:">LTS Compatible Filter Tips:</a>&nbsp;Optimized for high-performance pipetting systems, featuring extended-length and rack-packed configurations for deep-vessel access, with bulk-pack options available to support reliable, high-throughput laboratory workflows.</li>
</ul>
<h2 dir="ltr"> How to Choose Filtered Pipette Tips</h2>
 Filter Material: Polyethylene Frit vs Cellulose Hydrophobic PE frits are the most common and most studied aerosol-barrier material; they block liquid ingress reliably without absorbing sample material or releasing fibres. Cellulose filters are used in some barrier tips (including the original Thermo Barrier tips); they are effective aerosol barriers but can absorb a small volume of aqueous sample, relevant at &le;10 &micro;L, where the absorbed volume is proportionally significant.
Universal Fit vs LTS-Compatible Filtered Tips Universal filtered tips use standard collar geometry (3.8 mm for &le;10 &micro;L, 6.1 mm for &le;200 &micro;L) and fit Eppendorf, Rainin Classic (non-LTS), and Thermo pipettes. LTS-compatible filtered tips use Rainin's cylindrical LTS mounting geometry and are required for Rainin LTS pipettes.&nbsp;
Low-Retention Filtered Tips Low-retention filtered tips combine an aerosol barrier with a hydrophobic inner tip wall, reducing liquid adhesion during dispensing. They are recommended for small-volume (&le;10 &micro;L) nucleic acid work, RNA, protein, and enzyme dispensing, where both contamination protection and volume accuracy are critical.
Volume Range Filtered tips are available across 10 &micro;L (P2&ndash;P10), 20 &micro;L (P20), 100 &micro;L (P100), 200 &micro;L (P200), 300 &micro;L, 1,000 &micro;L (P1000), and 1,250 &micro;L extended formats. Extended-length filtered tips reach deep into 15 mL and 50 mL conical tubes for nucleic acid elution and sample transfer steps.
Packaging Filtered tips are typically sterile-racked (96/rack, 10 racks/box); reload/refill formats are available for high-volume filter tip users.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific filter tips are certified free of human DNA, RNase, DNase, pyrogens, and PCR inhibitors; sterile, in flip-top or hinged racks. Sorenson Bioscience universal filter tips span 10&ndash;1,250 &micro;L in standard rack and EcoRack reload formats, pre-sterilised, DNase/RNase-free. Invitrogen Barrier Tips (Thermo Fisher) are the original reference for nucleic acid work with cellulose filter elements; compatible with Eppendorf pipettes. Globe Scientific, Nest Scientific, and Sorenson Bioscience filtered tips are stocked by MBP Inc.&nbsp; 
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Don&rsquo;t let cross-contamination stall your progress. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Reach out to the MBP team</a> today for a quote or to find the perfect fit for your specific pipette brand.

10ul Filtered Pipette Tips, Extra-long, Clear, Racked, Low-retention, Sterile, 96/rack, 10 racks/pk, 50 racks/cs

NEST Pipette Tips are ultra-clear and fit universally the most pipettes. Made from 100% polypropylene, low-retention plastic, these tips ensureaccurate sample results during liquid handling. The Nest Pipette Tip package production line is Rnase/Dnase, pyrogen free. The pipettes of the following specifications :10 μL, 100 μL, 200 μL, 300 μL, 1000 μL and 1250 μL are available. 

12 Cell Culture Inserts+12 Well Plate Specifications

12 Cell Culture Inserts+12 Well Plate, PET Membrane

724121 by NEST Scientific is a 12-well TC-treated PET membrane cell culture insert set (0.4 µm pore size), pre-loaded into a 12-well companion plate, sterile, 12/pk, 120/case. Supports epithelial barrier assays, TEER measurement, drug transport studies, and co-culture applications. Available through MBP, a registered vendor to Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

12 Cell Culture Inserts+12 Well Plate, 0.4 μm, PET Membrane, Opaque, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 1.0 μm, PET Membrane, Opaque, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 3.0 μm, PET Membrane, Translucent, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 8.0 μm, PET Membrane, Transparent, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 0.4 μm, PET Membrane, Opaque, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 1.0 μm, PET Membrane, Opaque, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 3.0 μm, PET Membrane, Translucent, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 8.0 μm, PET Membrane, Transparent, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts + 12 Well Plate, PC Membrane Specifications

12 Cell Culture Inserts+12 Well Plate,PC Membrane

724101 by NEST Scientific — 12-well transwell insert system with 0.4 µm pore polycarbonate membrane inserts and matched 12-well plate. TC-treated, sterile, 12/pk. Suitable for permeability, TEER, and co-culture assays.

12 Cell Culture Inserts+12 Well Plate, 0.4 μm, PC Membrane, Opaque, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 3.0 μm, PC Membrane, Translucent, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 5.0 μm, PC Membrane, Translucent, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 8.0 μm, PC Membrane, Translucent, TC, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 0.4 μm, PC Membrane, Opaque, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 3.0 μm, PC Membrane, Translucent, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 5.0 μm, PC Membrane, Translucent, Non-Treated, Sterile, 12/pk, 48/cs

12 Cell Culture Inserts+12 Well Plate, 8.0 μm, PC Membrane, Translucent, Non-Treated, Sterile, 12/pk, 48/cs

United States

Texas

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