Brands

Oak Ridge Style Centrifuge Tubes

<h2 data-section-id="xbar7u" data-start="0" data-end="45">What Are Oak Ridge Style Centrifuge Tubes?</h2>
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Oak Ridge style centrifuge tubes are round-bottom polypropylene vessels designed for high-speed centrifugation applications that require significantly higher centrifugal forces than standard conical centrifuge tubes can withstand. Originally developed for demanding laboratory centrifugation protocols, these tubes feature a uniform wall thickness and an attached polypropylene screw cap that helps maintain structural integrity during high-speed operation.
The round-bottom design distributes centrifugal stress more evenly across the tube wall, allowing Oak Ridge tubes to withstand speeds of up to 50,000 &times; g when used according to manufacturer recommendations. Available in volumes ranging from 10 mL to 70 mL, they are commonly used for subcellular fractionation, membrane isolation, virus precipitation, nucleic acid pelleting, organelle purification, and other high-speed preparative centrifugation workflows.
Choose Oak Ridge style centrifuge tubes when your protocol exceeds the capabilities of standard conical tubes or when your rotor requires a round-bottom, high-speed tube format.
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<h2 dir="ltr">Designed with Accuracy in Mind:</h2>
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When loaded at 80% capacity, high-speed Oak Ridge containers are rated for 50,000g performance.
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For hazardous samples, integrated seal ring closures offer a certified leakproof environment.
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Polypropylene construction that is resistant to chemicals and strong enough to withstand harsh organic solvents.
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Round-bottom reusable tubes made to work seamlessly with high-speed rotors.
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Non-pyrogenic, certified RNase/DNase-free labware produced in cleanroom settings.
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Autoclavable (121&deg;C) thermal stability allows for several sterilizations without sacrificing integrity.
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<h2 data-section-id="13fdmtb" data-start="1156" data-end="1205">How to Choose Oak Ridge Style Centrifuge Tubes</h2>
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Volume Selection: 10 mL to 70 mL
The 30 mL and 50 mL formats are the most commonly stocked Oak Ridge sizes, fitting the majority of fixed-angle and swing-bucket rotors designed for this tube geometry. 10 mL suits smaller-volume high-speed applications; 70 mL is used for larger pellet recovery in high-speed preparative runs. Confirm rotor capacity &mdash; not all high-speed rotors accommodate the full 10&ndash;70 mL size range.
Fill Volume Requirements
Oak Ridge centrifuge tubes are designed to operate at their maximum rated speed when filled to approximately 80% of their nominal capacity. Proper fill volume helps generate the internal hydrostatic support needed to maintain tube stability during high-speed centrifugation.
Operating significantly underfilled tubes at high centrifugal forces may increase the risk of tube deformation or failure. Laboratories should always follow manufacturer recommendations for minimum fill requirements.
Autoclavable and Reusable Design
Many Oak Ridge style centrifuge tubes are manufactured from durable polypropylene that supports repeated autoclaving at 121 &deg;C. Their reusable construction makes them a cost-effective option for laboratories performing routine high-speed centrifugation.
Tubes should be inspected regularly for signs of wear, cracking, stress marks, discoloration, or deformation. Any damaged tube should be removed from service immediately.
Cap Seal Design
Oak Ridge tubes typically feature attached screw caps with an integrated sealing ring that creates a leak-resistant closure without requiring a separate liner. This design simplifies cleaning and maintenance while providing reliable containment during centrifugation.
When processing sensitive or biohazardous samples, users should ensure the cap is fully tightened and properly seated before loading the rotor.
PP vs PPCO Materials
Most Oak Ridge style centrifuge tubes are manufactured from chemical-resistant polypropylene (PP), which provides excellent durability and broad chemical compatibility.
Some alternative designs are available in polypropylene copolymer (PPCO), which offers increased flexibility and impact resistance. PPCO variants may provide additional durability for demanding laboratory environments and repeated handling cycles.
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<h2 data-section-id="1ezlvak" data-start="4005" data-end="4038">Compare Oak Ridge Tube Formats</h2>
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10 mL Oak Ridge tubes are designed for small-volume, high-speed pelleting applications and can withstand centrifugal forces up to approximately 50,000 &times; g when filled according to specifications. They feature attached screw caps with integrated sealing systems and are reusable.
30 mL Oak Ridge tubes are commonly used for membrane preparations, nucleic acid purification, and similar medium-volume applications requiring high centrifugal force. These tubes maintain the same high-speed performance characteristics and reusable design.
50 mL Oak Ridge tubes are widely used for virus concentration, organelle isolation, and subcellular fractionation workflows. Their combination of volume capacity and high-speed capability makes them one of the most versatile Oak Ridge formats.
70 mL Oak Ridge tubes provide additional working volume for large-scale preparative centrifugation and gradient fraction collection while maintaining high-speed performance and reusable construction.
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<h2 data-section-id="1jl751w" data-start="5040" data-end="5065">Specifications Context</h2>
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Globe Scientific Oak Ridge style centrifuge tubes are manufactured from durable, chemical-resistant polypropylene with uniform wall thickness to support high-speed centrifugation up to approximately 50,000 &times; g when operated at recommended fill volumes. These tubes are autoclavable, reusable, and feature leak-resistant linerless screw-cap closures designed for repeated laboratory use.
Globe Scientific operates under ISO 9001:2015 quality management standards. As of 2026, MBP supplies Oak Ridge style centrifuge tubes in sizes ranging from 10 mL to 70 mL. Available volumes and packaging options may vary based on current inventory and manufacturer availability.
Choosing MBP&rsquo;s specialized labware ensures your workflow remains seamless and your high-speed runs stay leak-free. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Request a quote from the Molecular Biology Products Inc. team today</a>.

6320-Group-New Product Announcement-Centrifuge Bottles & Oak Ridge Style Centrifuge Tubes

6320-Group-Tubes, Caps & Racks Catalog

Oak Ridge Style Centrifuge Tubes Dimensions

Globe Scientific Oak Ridge Style Centrifuge Tubes in polypropylene (PP) with attached linerless screw caps. Rated to 50,000 × g at 80% fill; available in 10, 30, 50, and 70 mL. Autoclavable and reusable. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>. Available in four volumes: 10, 30, 50, and 70 mL.

Manufacture

Centrifuge Tube, 10mL, Oak Ridge Style, Round Bottom, Attached Screw Cap, PP, 12/Bag, CS/72

Centrifuge Tube, 30mL, Oak Ridge Round Bottom Style, Attached Screw Cap, PP, 12/Bag, CS/72

Centrifuge Tube, 50mL, Oak Ridge Round Bottom Style, Attached Screw Cap, PP, 12/Box, CS/72

Centrifuge Tube, 70mL, Oak Ridge Round Bottom Style, Attached Screw Cap, PP, 12/Bag, CS/72

<h2 dir="ltr">What Are Specialized Cloning Vectors &amp; Viral Tools?</h2>
 Standard lentiviral and retroviral expression vectors meet the needs of most overexpression and knockdown workflows, but many cell biology and translational research questions demand purpose-engineered constructs with specialised functions &mdash; subcellular localisation, multi-gene co-expression, or conditional activation. Select the format best suited to your experimental requirements.
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<h2 dir="ltr">What you will find:</h2>
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<a href="https://mbpinc.net/reagents/dna/cloning-services-products/specialized-cloning-vectors/-virus/organelle-labeling-viruses">Organelle Labeling Viruses: </a>for live-cell visualization and functional pathway analysis of cellular structures in mammalian systems
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Targeted fluorescent labeling of specific cellular structures using viral delivery.
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Stable expression of organelle-specific markers for long-term live-cell imaging.
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Compatible with fluorescence microscopy for dynamic cellular imaging applications.
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<li data-section-id="8k7pm2" data-start="506" data-end="603" data-is-last-node="">Suitable for studying organelle organization, transport, and cellular function in living cells.</li>
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<h2 dir="ltr"> How to Choose Specialized Cloning Vectors</h2>
 Subcellular Targeting Needs Organelle-targeted fluorescent labeling lentiviral particles deliver fluorescent protein constructs targeting mitochondria, endoplasmic reticulum, nucleus, Golgi, lysosome, peroxisome, plasma membrane, autophagosome, and cytoskeleton &mdash; providing a stable alternative to chemical dyes for live-cell imaging. Multi-Gene Co-Expression Bicistronic vectors using IRES or 2A self-cleaving peptide sequences enable co-expression of two genes (e.g., a gene of interest and a fluorescent marker) from a single transcript or vector. Conditional Expression Requirements Conditional DIO/FLEX vectors restrict transgene expression to Cre-expressing cells, essential for circuit-specific neuroscience research and in vivo conditional gene expression studies. Temporal Control Needs Inducible constructs (Tet-On/Tet-Off systems) provide doxycycline-regulated transgene activation for experiments requiring temporal control over expression timing. Delivery Format Most specialised constructs are available as lentiviral particles for stable, long-term expression in both dividing and non-dividing cell types, including primary cells and in vivo models. 
<h2 dir="ltr"> Specifications Context</h2>
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Traditional subcellular organelle imaging relies on chemical dyes (e.g., MitoTracker, LysoTracker, ER-Tracker) or antibody-based immunofluorescence in fixed cells; however, chemical dyes are transient and may exhibit cytotoxicity at working concentrations, while antibody-based methods are limited to endpoint imaging. Viral organelle-targeted fluorescent expression systems enable stable, genetically encoded labeling for long-term live-cell imaging and dynamic subcellular tracking. These constructs are supplied in plasmid DNA and pre-packaged viral formats and support applications including organelle dynamics, trafficking studies, and multicolor imaging workflows. Specialized cloning vectors and viral tools are sourced from established manufacturers, including Applied Biological Materials (ABM), and product availability reflects MBP&rsquo;s catalogue as of mid-2026.
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<a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Contact the MBP team </a>today and get specialized cloning vectors for your lab.

Specialized Cloning Vectors/ Viruses

Specialized Cloning Vectors/ Virus

Oct4 ECFP Reporter Adenovirus

000776A by Applied Biological Materials is the Stemporter™ iPSC Reporter adenovirus (1.0 ml in DMEM/2.5% glycerol) expressing ECFP under an Oct4 promoter for non-integrating, transient identification of pluripotent iPSC clones by cyan fluorescence during reprogramming. ECFP excitation ~434 nm, emission ~477 nm. Non-destructive, real-time pluripotency readout.

Unit Quantity

Vector

Storage Condition

Shipping Condition

15ml & 50ml Centrifuge Tubes

<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:
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<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.
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<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.
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<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.
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<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.
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<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.
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</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

Flyer

Oil Centrifuge Tubes Specifications

Oil Centrifuge Tubes

Globe Scientific 100 mL 3.3 borosilicate oil centrifuge tubes for ASTM petroleum testing. Two lengths: 6 inch / 165 mm (8600106, CS/10) and 8 inch / 203 mm (8600108, CS/10). Conical bottom, blue enamel graduations, white marking spot. Reusable.

Centrifuge Tube, Glass, Conical Bottom, 6 Inch, Oil Centrifuge Tube, 100mL, 1/EA, CS/10

Centrifuge Tube, Glass, Conical Bottom, 8 Inch, Oil Centrifuge Tube, 100mL, 1/ EA, CS/10

Vacuum Pump

<h2>What are laboratory vacuum pumps?</h2>
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Laboratory vacuum pumps are instruments that remove gas from a connected vessel or system to create sub-atmospheric pressure for applications including rotary evaporation of solvents, vacuum filtration through B&uuml;chner funnels and membranes, SpeedVac centrifugal concentration, gel drying, lyophilization rough vacuum, and degassing of solvents and solutions. MBP carries vacuum pumps from Vacuubrand, Welch, and ULVAC, which together cover the full range of laboratory vacuum needs from moderate filtration vacuum to deep vacuum for turbomolecular backing, available in oil-free diaphragm and oil-sealed rotary vane configurations.
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<h2>What you will find:</h2>
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<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/edwards-pumps" style="color: #236fa1;">Edwards Pumps: </a>Reliability at its best &ndash; with strong vacuum pumps that are made to work for high-performing industrial and research purposes.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/agilent-pumps" style="color: #236fa1;">Agilent Pumps: </a>Get the most out of high vacuum pumps engineered for mass spectrometry, leak testing, and other advanced lab methods.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/vacuubrand-pumps">Vacuubrand Pumps: </a>Take advantage of German-engineered diaphragm pumps and vacuum control devices that are resistant to chemical agents and easy to maintain.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/welch-pumps">Welch Pumps: </a>Perfect for all your routine lab procedures using vacuum pumps made with quality materials for durability and versatility.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/ulvac-pumps" style="color: #236fa1;">ULVAC Pumps:</a> Use proven Japanese vacuum technology renowned for reliable and effective operations in manufacturing and thin-film production.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/vaccum-pump-accessories" style="color: #236fa1;">Vacuum Pump Accessories:</a> Boost your system&rsquo;s capabilities with oil mist filters, traps, and other accessories to optimize pump performance.</li>
</ul>
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<h2>How to choose between vacuum pump brands and types</h2>
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Choose Vacuubrand for premium PTFE diaphragm and chemistry vacuum systems
Vacuubrand diaphragm pumps are known for their high-quality PTFE-wetted construction, precise chemistry vacuum control systems with automatic set-point regulation, and a broad range of configurations from single-stage to two-stage models, making them the preferred brand for demanding rotary evaporation and concentration applications where reproducible vacuum control is important.
Choose Welch for reliable, cost-effective diaphragm and corrosion-resistant vacuum
Welch (by Gardner Denver) diaphragm pumps offer solid performance for routine filtration and moderate vacuum applications at a competitive price point, with the Dryfast ULTRA series as their flagship oil-free, chemically resistant product line covering most common laboratory vacuum needs.
Choose ULVAC for applications requiring deeper vacuum
ULVAC rotary vane oil-sealed pumps achieve deeper ultimate vacuum levels than oil-free diaphragm pumps, making them appropriate for applications like thin-film deposition, high-vacuum instruments, manifold vacuum systems, or backing turbomolecular pumps, where vacuum levels below 1 mbar are required.
Check the accessories catalog for vacuum tubing, traps, and gauges
Accessories include cold traps and chemical traps to protect pumps from solvent and corrosive vapors, vacuum tubing (rubber, silicone, or PTFE), and vacuum gauges and controllers for monitoring and regulating applied vacuum.
Match ultimate vacuum and pumping speed to your application requirements
Ultimate vacuum determines the lowest pressure achievable, while pumping speed determines how quickly the system reaches and maintains that vacuum. Both must be matched to system volume and gas load from evaporation, filtration, or outgassing.
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<h2>Specifications context</h2>
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The choice between oil-free diaphragm and oil-sealed rotary vane pumps is primarily determined by required ultimate vacuum and chemical exposure. Diaphragm pumps provide oil-free, low-maintenance vacuum suitable for most chemistry and biology applications above ~1&ndash;5 mbar, while rotary vane pumps achieve deeper vacuum but require oil changes and carry contamination risk.
As of 2026, oil-free diaphragm pumps from Vacuubrand and Welch cover most standard molecular biology and chemistry vacuum applications, while ULVAC rotary vane and dry pumps serve specialized deep-vacuum requirements.
Do you need any assistance figuring out your displacement or pressure requirements? Our experts at MBP are here to help. <a href="https://mbpinc.net/contact-us">Contact us for a customized quote.</a>

Vaccum Pump

Oil Mist Element for Edwards MF30 Vacuum Pump Exhaust Filter

The MF30e is an epoxy-impregnated glass fiber replacement element for the Edwards MF30 exhaust oil mist filter, compatible with Edwards E2M28 and E2M30 rotary vane vacuum pumps. It achieves 99.999% DOP filtration efficiency and cross-references OEM part number A223-04-057. Designed for routine pump maintenance and available from MBP with direct specialist support.

<h2>What are PCR Cleanup Kits?</h2>
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PCR cleanup kits remove residual PCR reaction components -- primers (&lt;100 bp), primer dimers, unincorporated dNTPs, DNA polymerase, buffer salts, and mineral oil - from PCR amplification products using silica-membrane spin columns and a bind-wash-elute protocol. The purified PCR amplicon (&gt;=100 bp) is recovered in 20-50 ul of water or elution buffer, free of inhibitors that would interfere with downstream steps, including Sanger sequencing, restriction enzyme digestion, ligation, NGS library preparation, and in vitro transcription. The procedure takes 5-10 minutes using a standard microcentrifuge with no organic solvents, precipitation, or centrifugation spins beyond the bind/wash/elute steps. Use a PCR cleanup kit immediately after PCR whenever the downstream application requires an inhibitor-free amplicon - primers and excess dNTPs left in the reaction will reduce sequencing quality, compete in ligation reactions, and inflate NGS background noise.
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<h2 dir="ltr">What you will find:</h2>
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Oligo Clean &amp; Concentrator: Precisely designed systems for the quick retrieval of single-stranded DNA, RNA, and oligonucleotides from enzymatic processes.
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OneStep&trade; PCR Inhibitor Removal: Tailored columns and 96-well formats engineered to eliminate polyphenols, humic acids, and lipids that hinder PCR kinetics.
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ssDNA/RNA Clean &amp; Concentrator&trade;: An adaptable method for purifying and concentrating small nucleic acid segments, ensuring isoform specificity.
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ZR-96 High-Throughput Systems: Scalable formats of 96-well plates designed for automated lab processes, guaranteeing reproducibility-validated outcomes across extensive sample groups.
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<h2>How to Choose a PCR Cleanup Kit</h2>
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Binding Capacity
Standard PCR cleanup columns bind up to 5-25 ug of DNA, depending on the kit; 25 ug capacity (Thermo Fisher GeneJET) accommodates typical preparative PCR reactions. For high-yield PCR reactions producing &gt;25 ug of amplicon, split the reaction across two columns and pool the eluates, or use a higher-capacity kit format.
Fragment Size Range
Standard PCR cleanup kits retain fragments &gt;=100 bp and discard everything shorter. For amplicons between 70 and 100 bp (e.g., short RT-qPCR products or miRNA amplicons), use a kit with an extended lower size limit -- the Thermo Fisher GeneJET kit retains fragments from 25 bp to 20 kb, covering this range. For amplicons shorter than 25 bp, conventional silica-column cleanup will not work; use gel purification or size-selective bead cleanup (e.g., AMPure XP at adjusted bead ratios).
Minimum Elution Volume
If the downstream application requires a high DNA concentration (Sanger sequencing needs &gt;20 ng/ul input), select a kit that elutes in as little as 20-25 ul without significant yield loss.&nbsp;
pH Indicator
Kits include a pH indicator dye in the binding buffer that turns yellow when the pH is correct for DNA binding and remains orange/red if the pH is too high (causing DNA loss). This is useful when purifying PCR products amplified in high-pH buffers. Kits without pH indicators require careful attention to binding buffer volume ratios to ensure efficient DNA adsorption.
96-Well Throughput
For screening workflows producing multiple amplicons per sample, use 96-well PCR purification plates with vacuum manifolds for simultaneous processing of all 96 wells. 96-well formats are essential for high-throughput genotyping and sequencing library preparation pipelines.
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<h2>Specifications Context</h2>
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Key benchmarks for PCR cleanup kits: &gt;=70% DNA recovery for fragments 100 bp-10 kb, A260/A280 &gt;= 1.7 in eluate, complete removal of primers and dNTPs (confirmed by capillary electrophoresis with no peaks below 100 bp), and elution in &lt;=50 ul of water or TE. The Thermo Scientific GeneJET PCR Purification Kit specifies recovery rates up to 100% with a binding capacity of 25 ug per column in a 5-minute protocol. AAT Bioquest study comparing commercial PCR cleanup kit performance confirmed that silica-column kits consistently achieve primer and dimer removal equivalent to ethanol precipitation with significantly reduced protocol time. PCR cleanup is a mandatory step before NGS library preparation in nearly all sequencing-based workflows at institutions, including Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center, where primer and dimer contamination in libraries produces low-complexity sequencing reads that reduce effective coverage.
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Purify your amplicons and remove reaction noise&mdash;<a href="https://mbpinc.net/contact-us">reach out to MBP Inc.</a> now to obtain a quote for your PCR cleanup process.

PCR Cleanup Kits

D4060-1-Data Sheet

D4060 - MSDS

D4061 - MSDS

D4060-1 - MSDS

D4060-1-Protocol

Oligo Clean & Concentrator

The Oligo Clean & Concentrator by Zymo Research is the Oligo Clean &amp; Concentrator — a spin-column kit that purifies DNA and RNA oligonucleotides (≥16 nt) in approximately 2 minutes with &gt;90% recovery, eluting in as little as 6 µL for use in hybridization, sequencing, and PCR applications. Available as 50-prep kit (D4060), 200-prep kit (D4061), or Oligo Binding Buffer alone in 10 mL (D4060-1-10) or 40 mL (D4060-1-40).

Applicable For

Elution Volume

Equipment

Purity

Sample Source

Size Range

Yield

Manufacturer

Oligo Clean & Concentrator (50 Preps.)

Oligo Clean & Concentrator (200 Preps.)

Oligo Binding Buffer (10 ml)

Oligo Binding Buffer (40 ml)

<h2 dir="ltr"> What Are Miscellaneous PCR Items?</h2>
 Miscellaneous Items groups supporting reagents used alongside core PCR enzymes, master mixes, and nucleotide components, covering essential but non-core materials required for PCR and RT-PCR workflows. This includes nuclease-free water for reaction setup and dilution, Random Primer (6N) and Oligo(dT)18 primers for cDNA synthesis, and ionic solutions such as MgCl₂, MgSO₄, NaCl, and MnCl₂ used for reaction optimisation. The category also includes certified nuclease-free water options from suppliers such as BIOLOGIX for sensitive molecular biology applications. Use this category to source essential supporting reagents that complete PCR-based experimental workflows alongside primary amplification products. 
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<h2 data-start="432" data-end="459">What you will find:</h2>
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<li data-section-id="b5abnd" data-start="461" data-end="635">Nuclease-Free Water: DNase/RNase-free water suitable for PCR, RT-PCR, qPCR, and nucleic acid preparation workflows, including certified molecular biology-grade options.</li>
<li data-section-id="n5mfl0" data-start="636" data-end="789">Primers &amp; Oligos: Random Primer (6N) and Oligo(dT)18 formats for reverse transcription, cDNA synthesis, and related molecular biology applications.</li>
<li data-section-id="1x29qzm" data-start="790" data-end="932">Reaction Components: Molecular biology-grade MgCl₂, MgSO₄, MnCl₂, and NaCl solutions for reaction preparation and protocol optimisation.</li>
<li data-section-id="16hzrat" data-start="933" data-end="1075">Workflow Support Reagents: Essential supporting materials used alongside PCR enzymes, master mixes, and nucleic acid amplification kits.</li>
<li data-section-id="4t6tsy" data-start="1076" data-end="1220">Research-Ready Formats: Convenient reagent sizes suitable for routine academic, biotechnology, and molecular biology laboratory workflows.</li>
</ul>
<h2 dir="ltr"> How to Choose Miscellaneous PCR Items</h2>
 Gel Loading Dyes Loading dyes add density and colour to PCR products for gel electrophoresis, allowing visual tracking of sample migration. Some 2x master mixes include loading dye pre-formulated, but a separate loading dye is needed when using dye-free master mixes or individual-component PCR setups. PCR Enhancers and Additives Additives such as betaine, DMSO, or proprietary enhancer formulations can improve amplification of GC-rich or otherwise difficult templates by reducing secondary structure or improving primer annealing specificity -- useful as a troubleshooting tool when a standard reaction underperforms on a specific target. Nuclease-Free Water Grade Nuclease-free water is used for reaction dilutions, resuspending primers and probes, and as a no-template control in PCR and qPCR setups. Confirm the water is certified free of detectable RNase and DNase activity, particularly for RNA-handling workflows. PCR Tube and Plate Format PCR tubes, strips, and plates are available in formats matching common thermal cycler block configurations -- 0.2 mL individual tubes, 8-well or 12-well strips, and 96-well plates -- select the format matching your thermal cycler and throughput needs. Compatibility with Primary Reagents When ordering supporting consumables alongside primary PCR reagents, confirming tube/plate compatibility with both your thermal cycler and any downstream automation (liquid handlers, plate readers) avoids workflow bottlenecks from mismatched formats. 
<h2 dir="ltr"> Specifications Context</h2>
&nbsp;
Nuclease-free water used in molecular biology workflows is typically certified through DNase/RNase activity testing and supplied in formats suitable for routine PCR, RT-PCR, and nucleic acid dilution applications. Random Primer (6N) and Oligo(dT)18 primers are used in reverse transcription workflows to support cDNA synthesis from RNA templates. Ionic solutions such as MgCl₂, MgSO₄, NaCl, and MnCl₂ are used to support and optimise polymerase activity under different reaction conditions. Most items in this category are stable under standard laboratory storage conditions, with product-specific handling and storage requirements provided by the manufacturer.
&nbsp;
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Miscellaneous Items

Miscellaneous items

MSDS

Oligo(dT)18 Primer

Oligo(dT)18 Primer G140 — 10 µM, 500 µl in ddH₂O. Universal poly-A mRNA primer for reverse transcription cDNA synthesis at 0.5–1 µM final concentration. For RT-PCR, RT-qPCR, and cDNA library construction from poly-A mRNA. Store −20 °C, avoid freeze–thaw; stable up to 60 months.

Recommended Protocol

Shipping condition

<h2 dir="ltr">What Are One-Step RT-PCR Kits?</h2>
 A one-step RT-PCR kit combines reverse transcription and PCR amplification in a single reaction tube and buffer, using gene-specific primers throughout. The kit's enzyme mix typically pairs a reverse transcriptase -- commonly an M-MuLV-derived enzyme such as ProtoScript II or PrimeScript RT -- with a hot-start Taq DNA polymerase, sometimes including a proofreading component for higher-yield amplification.&nbsp; Choose a one-step kit for routine, single- or few-target RNA detection where simplicity and contamination control matter most; choose a two-step approach instead when one RNA sample needs to be tested against many different gene targets.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li style="font-family: arial, helvetica, sans-serif; color: #000000;">One-step RT-PCR kits combining reverse transcription and PCR amplification in a single reaction workflow, including&nbsp;Azura 1-Step Ultra RT-PCR Kit</li>
<li style="color: #000000;">Standard one-step RT-PCR systems for RNA detection and target amplification, including One-Step RT-PCR Kit (RT0201-00) and Accuris One-Step RT-PCR Kit</li>
<li style="color: #000000;">Multiplex and probe-based one-step RT-qPCR-compatible systems, including Accuris qMAX Probe One-Step Multiplex RT-qPCR Kit (No ROX)</li>
<li style="color: #000000;">High-performance one-step RT-PCR chemistry designed for robust RNA amplification, including the MegaFi One-Step RT-PCR Kit</li>
<li style="color: #000000;">Ready-to-use enzyme and buffer systems optimized for streamlined RT-PCR setup and reproducible results across RNA workflows</li>
</ul>
<h2 dir="ltr"> How to Choose a One-Step RT-PCR Kit</h2>
 Enzyme Mix Composition Kits commonly combine an M-MuLV-derived reverse transcriptase with reduced RNase H activity and increased thermostability (e.g., ProtoScript II-type or PrimeScript-type enzymes) with a hot-start Taq polymerase. Some formulations add a proofreading polymerase component for higher-yield, more accurate end-point amplification. Hot-Start Activation Mechanism Most one-step kits use an antibody-modified or aptamer-based hot-start Taq that remains inactive at room temperature, dissociating during an initial high-temperature step (commonly around 94-95 &deg;C for several minutes) to simultaneously activate the polymerase and inactivate the reverse transcriptase before PCR cycling begins. Template Difficulty and Amplicon Length Reverse transcriptases with reduced RNase H activity and enhanced thermostability are better suited to GC-rich or highly structured RNA templates. Some one-step kits are validated for amplifying long transcripts -- up to approximately 9 kb in certain formulations -- relevant for full-length transcript or large-gene RT-PCR. Single-Tube Enzyme Compatibility Combining reverse transcriptase and Taq polymerase in one buffer historically risked mutual inhibition between the two enzyme classes; modern one-step formulations use optimised buffer systems and enzyme ratios specifically designed to avoid this interference, a key differentiator between basic and well-optimised kits. Detection Format End-point one-step RT-PCR kits (gel-based detection) suit qualitative presence/absence screening. For quantitative results, a one-step RT-qPCR kit with a fluorescent dye or probe system is the appropriate choice instead. 
<h2 dir="ltr"> Specifications Context</h2>
 The one-step format integrates the three RT-PCR steps -- reverse transcription, polymerase activation, and amplification -- into a single continuous reaction without opening the tube between steps, directly reducing contamination risk relative to workflows that transfer reaction products between vessels. Historically, combining reverse transcriptase and Taq polymerase in a shared buffer was reported to cause mutual enzyme inhibition and reduced sensitivity; current one-step kits address this through optimised buffer chemistry and enzyme selection, such as RNase H-minus reverse transcriptases paired with hot-start Taq formulations. One-step kits are typically stored at &minus;20 &deg;C to &minus;30 &deg;C and protected from light, where fluorescent dyes are pre-included; lot-specific CoAs are available on request. 
&nbsp;
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One-Step RT-PCR Kits

RT0201.IFU

One-Step RT-PCR Kit

One-Step RT-PCR Kit (RT0201-00) by MBP uses MMLV Reverse Transcriptase and Hot start Taq DNA polymerase for single-tube RT-PCR from total RNA or mRNA. Input RNA: 0.01 pg–2 µg; detects targets up to 4.0 kb; 100 reactions per kit. Available in 4 (RT0201-00), 50 (RT0201-01), and 250 (RT0201-02) prep sizes. Ships on ice.

One-Step RT-PCR Kit, 4 Preps

One-Step RT-PCR Kit, 50 Preps

One-Step RT-PCR Kit, 250 Preps

Devices & Instruments

One-Way Luer-Lock Clear Stopcock (20 Pack)

The One-Way Luer-Lock Clear Stopcock by Zymo Research (S7001) is a 20-pack of transparent, single-use stopcocks with luer-lock fittings for precise vacuum flow control on the Zymo Research EZ-Vac Vacuum Manifold. Each stopcock delivers individual column control during vacuum-assisted DNA, RNA, and protein purification workflows.

<h2>What are non-bisulfite methylation kits and reagents?</h2>
&nbsp;
Non-bisulfite methylation kits and reagents are alternatives to sodium bisulfite conversion that achieve the same goal &mdash; distinguishing methylated from unmethylated cytosines at single-base or regional resolution &mdash; without the harsh chemical treatment that bisulfite introduces. The most widely adopted approach is enzymatic methyl-seq (EM-seq), which uses TET2 to oxidize 5-methylcytosine and 5-hydroxymethylcytosine and T4-BGT to protect them from subsequent APOBEC3A-mediated deamination, so that only unmodified cytosines are converted to uracil.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">qMethyl PCR assay kit uses PCR amplification for quantitative DNA methylation detection</li>
<li dir="ltr" role="presentation">One-step qMethyl PCR system for efficient methylation analysis and optimized workflow setup&nbsp;</li>
<li dir="ltr" role="presentation">Test reaction premixes for validation and optimization of assays&nbsp;</li>
</ul>
&nbsp;
<h2>How to choose non-bisulfite methylation reagents</h2>
&nbsp;
Choose EM-seq for superior library quality over bisulfite at the same resolution
EM-seq outperforms bisulfite-converted libraries on all major quality metrics: higher library yield, fewer duplicates, more usable reads, more even GC distribution, and accurate methylation calling, without requiring any changes to downstream bioinformatic analysis pipelines since the output is the same C-to-T chemistry as bisulfite conversion.
Understand EM-seq's two-step enzymatic mechanism
In the first EM-seq step, TET2 oxidizes 5-mC and 5-hmC to protected forms while T4-BGT glucosylates 5-hmC; in the second step, APOBEC3A deaminates only the unprotected unmodified cytosines to uracil. The net result is the same as bisulfite conversion &mdash; unmethylated C reads as T &mdash; but without bisulfite's destructive chemistry.
Consider TAPS for mild, nondestructive conversion that directly marks modified cytosines
TET-assisted pyridine borane sequencing (TAPS) is a bisulfite-free method that combines TET oxidation of 5-mC and 5-hmC with pyridine borane reduction, converting modified cytosines to a thymine read while leaving unmodified cytosines intact. Unlike bisulfite and EM-seq, TAPS positively marks the modified bases rather than converting the unmodified ones, and can preserve DNA fragments over 10 kilobases.
Choose MeDIP for genome-wide enrichment without per-cytosine resolution
Methylated DNA immunoprecipitation uses an antibody specific to 5-methylcytosine or 5-hydroxymethylcytosine to pull down methylated DNA fragments, providing regional enrichment data at lower cost and without bisulfite-related DNA damage, though at lower resolution than sequencing-based conversion methods.
Confirm whether your method distinguishes 5-mC from 5-hmC or co-detects both
EM-seq detects both 5-mC and 5-hmC together and cannot distinguish them without additional steps, while TAPS also co-detects both; TAPS&beta;, a variant, can specifically call 5-mC by blocking 5-hmC before oxidation. MeDIP can be targeted specifically to 5-hmC (hMeDIP) using an anti-5-hmC antibody.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
EM-seq was effective using as little as 100 pg of DNA input, and libraries showed higher yields with fewer PCR cycles than bisulfite-converted libraries at all input amounts tested, with more even GC distribution, reduced sequencing duplicates, and more CpGs detected within genomic features per sequencing read. As of 2026, enzymatic conversion via EM-seq is broadly recommended over bisulfite conversion for new methylome analysis projects, particularly those working with limited, degraded, or high-value samples where the DNA damage of bisulfite treatment is most consequential.
This category sits within DNA/RNA Methylation, alongside Bisulfite Conversion Kits, and is closely related to DNA Hydroxymethylation for 5-hmC-specific approaches. See the full reagents catalog and use Quick Order for recurring orders.
<a href="https://mbpinc.net/contact-us" title="Contact the expert team at Molecular Biology Products Inc. (MBP)">Contact the expert team at Molecular Biology Products Inc. (MBP)</a> to find dependable non-bisulfite kits and reagents for your lab.

Non-Bisulfite Kits & Reagents

Protocol

OneSTEP PLUS qMethyl PCR (96 Rxns.)

D5312 by Zymo Research quantifies DNA methylation at user-defined loci without bisulfite conversion, using MSRE-based real-time PCR. Percent methylation is calculated as 100 × 2−ΔCt from 5 ng–1 µg of unmodified genomic DNA per reaction, detecting methylation levels as low as ~1–5%. Compatible with Bio-Rad CFX96 and similar real-time PCR instruments (SYBR Green or TaqMan). Stored at −20°C.

Compatible

Detection Dye

Input

Processing Time

Storage

<h2 dir="ltr"> What is a cDNA Synthesis Kit?</h2>
 A cDNA synthesis kit provides the complete set of reagents - reverse transcriptase enzyme, reaction buffer, dNTPs, RNase inhibitor, and primers - needed to perform first-strand reverse transcription, converting an RNA sample into a cDNA pool. Unlike one-step RT-PCR kits, which combine RT and PCR in a single reaction with gene-specific primers, a cDNA synthesis kit performs reverse transcription as a standalone step, producing a cDNA template that can be used across multiple subsequent PCR or qPCR reactions targeting different genes. Choose a cDNA synthesis kit when one RNA sample needs to be analysed for multiple gene targets, or when downstream qPCR requires a separately-generated, quality-checked cDNA template. 
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1o7fvd2" data-start="74" data-end="228">First-strand cDNA synthesis kits for RNA-to-cDNA conversion in gene expression workflows, including AzuraQuant&trade; and AzuraFlex&trade; cDNA synthesis kits</li>
<li data-section-id="z40sk0" data-start="229" data-end="395">Standard cDNA synthesis kits for routine transcriptional analysis and downstream PCR applications, including Accuris qMAX and 1st cDNA Synthesis Kit (FS01-00)</li>
<li data-section-id="1yvybqf" data-start="396" data-end="521">Flexible and high-efficiency cDNA synthesis systems designed to support a range of RNA inputs and experimental conditions</li>
<li data-section-id="sl2teb" data-start="522" data-end="599">miRNA-specific cDNA synthesis solutions for small RNA expression analysis</li>
<li data-section-id="17gz9kt" data-start="600" data-end="770" data-is-last-node="">One-step and integrated RT-based systems and master mixes supporting streamlined reverse transcription workflows, including OneScript Plus and OneScript Hot RT kits</li>
</ul>
<h2 dir="ltr"> How to Choose a cDNA Synthesis Kit</h2>
 Priming Strategy Oligo(dT) primers target the poly-A tail of mRNA, enriching specifically for mRNA-derived cDNA and reducing genomic DNA or rRNA background. Random primers (commonly hexamers) prime throughout the RNA template regardless of sequence, useful for templates lacking a poly-A tail (such as bacterial RNA) or when full-length cDNA coverage, including 5' regions, is needed. Some kits offer a blend of both primer types for balanced coverage. Reverse Transcriptase Included Kits built around M-MLV RNase H-minus reverse transcriptase favour longer, more complete cDNA products, while kits using enhanced-thermostability or inhibitor-resistant reverse transcriptases may better handle GC-rich templates or minimally purified RNA samples. Genomic DNA Elimination Step Some cDNA synthesis kits include a separate genomic DNA elimination (gDNA wipeout) step performed before reverse transcription -- important for accurate gene expression quantification, since residual genomic DNA can contribute false signal in downstream qPCR if primers span regions present in both genomic DNA and the cDNA target. Reaction Volume and Throughput cDNA synthesis kits are available in formats scaled for individual reactions through to high-throughput 96-well formats, allowing labs to match kit format to typical sample batch sizes without excessive reagent waste. Downstream Application Compatibility The resulting cDNA pool should be compatible with the intended downstream application -- standard PCR, qPCR with SYBR Green or probe-based detection, or digital PCR -- confirm that the kit's buffer system does not interfere with the chosen downstream detection chemistry. 
<h2 dir="ltr"> Specifications Context</h2>
 In a two-step workflow, the first step synthesises first-strand cDNA using a reverse transcriptase such as M-MLV-RT with the chosen priming strategy, and the resulting cDNA pool can then be used in multiple separate PCR or qPCR reactions targeting different genes - a key advantage when a single RNA sample needs to be analysed for several targets, since the cDNA synthesis step is performed only once. Genomic DNA elimination steps, where included, are typically performed as a brief pre-treatment with a DNase before the reverse transcription reaction itself begins. cDNA synthesis kit components - enzyme, buffer, dNTPs, and RNase inhibitor - are typically stored at &minus;20 &deg;C; RNase-free water and RNase inhibitor handling throughout the workflow are recommended to prevent RNA template degradation before synthesis.
&nbsp;
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cDNA Synthesis Kits

Product Literature

PCR Product Guide

Product Stability Report

OneScript Hot 5X MasterMix

G590 OneScript&reg; Hot 5X RT MasterMix by Applied Biological Materials is a complete, ready-to-use 5X reverse transcription master mix containing OneScript&reg; Hot thermostable RT (RNase H-deficient, active at 60&ndash;72&deg;C), RNaseOFF inhibitor, dNTPs, and mixed primers for high-yield cDNA synthesis from challenging RNA. ISO 13485:2016 MDSAP certified; 100 rxn (400 µl); store at &minus;20&deg;C.

Application

Concentration

DataSheet

OneScript Hot RT cDNA Synthesis Kit

G594 OneScript&reg; Hot cDNA Synthesis Kit by Applied Biological Materials is a complete 100 rxn kit for cDNA synthesis at 60&ndash;72&deg;C using thermostable, RNase H-deficient OneScript&reg; Hot RT with RNaseOFF inhibitor, dNTPs, Oligo(dT), and Random Primers. The first kit optimized for 60&deg;C cDNA synthesis. ISO 13485:2016 MDSAP certified; store at &minus;20&deg;C.

<h2>What Is Reverse Transcriptase?</h2>
&nbsp;
Reverse transcriptase is an RNA-dependent DNA polymerase that synthesizes a complementary DNA (cDNA) strand using an RNA template, providing the essential first step for RT-PCR, RT-qPCR, cDNA library construction, and gene expression analysis. Reverse transcriptases differ in thermostability, processivity, RNase H activity, and compatibility with challenging RNA templates. Selecting the appropriate enzyme depends on your RNA quality, transcript length, and downstream application.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Reverse transcriptase-based systems designed to support cDNA synthesis across a range of RNA templates, including workflows involving structured or challenging RNA.</li>
<li>One-step RT-PCR and RT-qPCR kits featuring enzyme systems designed to reduce non-specific amplification through optimized reaction setup and enzyme activation strategies.</li>
<li>High-efficiency reverse transcription and RT-PCR chemistries suitable for low-abundance RNA inputs and sensitive gene expression analysis.</li>
<li>cDNA synthesis and RT-PCR systems supporting a range of transcript lengths depending on enzyme selection and reaction conditions.</li>
<li>Thermostable and high-performance reverse transcription systems designed to improve cDNA yield and workflow reliability across RNA applications.</li>
</ul>
&nbsp;
<h2>How to Choose a Reverse Transcriptase</h2>
&nbsp;
Enzyme Selection
Reverse transcriptases differ in thermostability, RNase H activity, processivity, and compatibility with different RNA templates. Select an enzyme that matches your RNA quality, transcript length, and downstream application requirements.
RNase H Activity
Reverse transcriptases with reduced RNase H activity minimize RNA template degradation during cDNA synthesis, helping improve the yield of longer cDNA products for applications such as full-length transcript analysis and cDNA library preparation.
Thermostability
Thermostable reverse transcriptases can operate at higher reaction temperatures, helping reduce RNA secondary structure and improving cDNA synthesis from GC-rich or highly structured RNA templates.
Template Length and Application
Choose an enzyme validated for your intended transcript length and downstream workflow, whether performing routine RT-PCR, quantitative RT-qPCR, full-length cDNA synthesis, or library preparation.
Workflow Compatibility
Consider whether a stand-alone reverse transcriptase or an integrated one-step RT-PCR system best fits your workflow, throughput requirements, and downstream amplification strategy.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Reverse transcriptase enzymes catalyze the synthesis of complementary DNA (cDNA) from RNA templates, enabling downstream PCR- and qPCR-based analysis of gene expression. Modern reverse transcriptases are available with varying levels of thermostability, processivity, and RNase H activity to support applications ranging from routine first-strand cDNA synthesis to amplification of structured or low-abundance RNA targets. Most enzymes are supplied for storage at &minus;20&nbsp;&deg;C, and RNase-free handling practices are recommended throughout RNA workflows to preserve sample integrity and maximize cDNA yield.
&nbsp;
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Reverse Transcriptase

OneScript Hot Reverse Transcriptase

G593 OneScript&reg; Hot Reverse Transcriptase by Applied Biological Materials is a thermostable (60&ndash;72&deg;C), RNase H-deficient M-MLV RT derivative for high-yield cDNA synthesis from difficult, low-abundance, or partially degraded RNA, formulated with oxidation-resistant RNaseOFF inhibitor. ISO 13485:2016 MDSAP certified; 100 rxn; store at &minus;20&deg;C.