Azura Genomics

Microcentrifuge

<h2>What Are Microcentrifuges?</h2>
&nbsp;
Microcentrifuges are compact, high-speed benchtop centrifuges designed specifically for 0.2&ndash;2.0 mL microtubes and PCR strips, operating at 10,000&ndash;21,000 &times;g in a fixed-angle rotor. They are the primary centrifugation instrument in molecular biology, biochemistry, and clinical molecular diagnostics labs: nucleic acid pellet formation after ethanol precipitation, spin-column DNA/RNA extraction and PCR cleanup steps (typically specified at 10,000&ndash;16,000 &times;g for 30&ndash;60 seconds), cell debris clearance from lysates, protein precipitation supernatant recovery, and brief sample clarification before downstream analysis. Standard benchtop microcentrifuges reach 14,000&ndash;15,000 RPM (16,000&ndash;21,000 &times;g), while high-speed models reach up to 21,000 RPM and approximately 31,000 &times;g. Refrigerated variants maintain 0&ndash;4&deg;C for temperature-sensitive workflows.
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<h2>What You Will Find:</h2>
&nbsp;
<ul>
<li>High-Speed Microcentrifuges: For faster sample processing</li>
<li>Refrigerated Microcentrifuges: For temperature-sensitive handling</li>
<li>Benchtop Microcentrifuge Systems: For routine lab working</li>
<li>5D Digital Microcentrifuge: With customizable time and speed options</li>
<li>Mini Microcentrifuges: Compact units for rapid spin-down tasks</li>
<li>MC-24 High-Speed Microcentrifuge: Features touch screen control and high speed</li>
<li>Microplate Centrifuges: Developed for PCR plates and strip formats</li>
<li>Microcentrifuge Accessories: For expanded tube flexibility and compatibility</li>
</ul>
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<h2>How to Choose a Microcentrifuge</h2>
&nbsp;
Maximum RCF vs. Protocol Requirements
Most spin-column kit protocols specify 10,000&ndash;16,000 &times;g. A standard microcentrifuge reaching 14,000&ndash;16,000 &times;g covers these requirements. If your lab performs alcohol-precipitation DNA/RNA pelleting (12,000&ndash;16,000 &times;g) or virus concentration steps (20,000+ &times;g), choose a model reaching at least 16,000 &times;g. High-speed models reaching 21,000&ndash;31,000 &times;g are available for specialized applications.
Rotor Tube Positions and Capacity
Most microcentrifuge rotors hold 12&ndash;24 &times; 1.5/2.0 mL tubes per run. Laboratories processing larger batches benefit from 24-position rotors, while smaller research groups may find 12-position models sufficient. Confirm that adapters for 0.5 mL and 0.2 mL tubes are available if required by your workflows.
Refrigerated vs. Ambient Temperature
Refrigerated microcentrifuges are recommended for RNA extraction, protein stability studies, cell viability applications, and any protocol requiring 4&deg;C centrifugation. Standard room-temperature models are suitable for routine DNA extraction and PCR cleanup procedures.
Noise Level and Footprint
Modern brushless DC motor microcentrifuges typically operate at &le;52 dB, making them quieter than older brush-motor systems. Most units occupy 200&ndash;300 mm of bench width, so confirm that sufficient clearance is available when the lid is fully open.
Safety Features
Essential safety features include lid-lock mechanisms, imbalance detection, and over-speed protection. Laboratories handling infectious materials should verify that aerosol-tight sealed rotor lids are available for the selected model.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
The standard spin-column step in most commercial DNA/RNA extraction kits specifies 10,000&ndash;16,000 &times;g for 30&ndash;60 seconds. Always confirm the rotor's maximum RCF from manufacturer specifications, since RPM values alone do not account for differences in rotor radius.
Microcentrifuge rotors are typically fixed-angle designs positioned at approximately 45&deg;, providing efficient pelleting and short sedimentation paths. Aerosol-tight sealed lids allow safe handling of BSL-2 samples and other applications requiring biocontainment. Modern brushless DC motors offer quieter performance, improved speed accuracy, and longer service intervals than legacy brush-motor systems.
Your search for high-performance microcentrifuges is over. <a href="https://mbpinc.net/contact-us">Contact now</a> with the expert team at Molecular Biology Products Inc. and get the right microcentrifuge for your lab today.

BLUline MC-24 High Speed Microcentrifuge with COMBI-Rotor, 115v

AZ-8175 is the BLUline™ MC-24 High Speed Microcentrifuge with COMBI-Rotor, 115V — reaches 13,500 rpm / 16,800 × g, holds 24 × 1.5/2.0 mL tubes or 2 × PCR strips without adapters. Full-color touchscreen with mySpin™ program recall. Dimensions: 9 × 12 × 7.75 in; 14 lbs.

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Increment

Timer

Momentary

Dimensions

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Electrical

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Manufacturer

UV Transilluminators

<h2>What Are UV Transilluminators?</h2>
&nbsp;
A UV transilluminator is a device with a UV-emitting lamp (fluorescent tube or LED) beneath a UV-transparent filter glass or acrylic surface that allows ultraviolet light to pass upward through a gel or membrane placed on top, exciting fluorescent dye molecules intercalated into nucleic acids and causing them to emit visible fluorescence. The visible fluorescence forms the bright bands on a dark background seen when a stained DNA gel is placed on a UV transilluminator. Three UV wavelengths are used: 254 nm for maximum DNA cross-linking and nick analysis; 302 nm (medium-wave UV) for EtBr and SYBR stains with high sensitivity but significant DNA damage at exposures above 30 seconds; and 365 nm (long-wave UV) for the lowest DNA damage during gel cutting and for viewing EtBr at reduced band contrast. Blue-light transilluminators at 465-470 nm replace UV entirely for compatible dyes, eliminating UV-induced DNA damage and hazardous UV exposure. Choose the transilluminator wavelength based on the dye used and whether the DNA will be recovered from the gel for downstream cloning or sequencing - 302 nm for EtBr visualization only; 365 nm or blue-LED for band cutting.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="mbpinc.net/equipments/electrophoresis-and-visualization/uv-transilluminators/uv-transilluminators-accessories">UV Transilluminator Accessories:</a>&nbsp;Essential protective gear and upgrade components designed to enhance your imaging workflow and user safety.
</li>
<li dir="ltr" aria-level="1">
<a href="mbpinc.net/equipments/electrophoresis-and-visualization/uv-transilluminators/reagents">Reagents: </a>Premium-grade stains and buffers formulated to provide high signal-to-noise ratios and optimized fluorescence for every run.
</li>
</ul>
&nbsp;
<h2>How to Choose a UV Transilluminator</h2>
&nbsp;
Wavelength selection
254 nm UV is optimal for photocrosslinking DNA to nylon membranes (UV crosslinkers, 120 mJ/cm2 standard crosslinking dose) and for maximum excitation of some dyes, but causes severe DNA strand breaks. 302 nm is the standard wavelength for EtBr gel visualization, providing bright bands in 10-30 seconds; DNA damage begins immediately at this wavelength, so exposure should be minimized to under 30 seconds for any DNA intended for cloning. 365 nm gives lower EtBr fluorescence intensity but dramatically reduces DNA strand breaks, making it preferred when gel band cutting and subsequent cloning efficiency are important. Blue LED at 465-470 nm is the safest option for any downstream application and is used with SYBR Safe, GelGreen, and SafeView stains.
UV lamp type: tube vs. LED
Traditional UV transilluminators use fluorescent UV tubes (8-25 W), which require 1-2 minutes of warm-up time, have a lifespan of 2,000-5,000 hours before replacement, and emit heat that can warm the gel surface during extended exposure. LED-based UV transilluminators offer instant-on capability (no warm-up), 50,000+ hour LED lifespan, lower energy consumption, and no UV tube replacement cost. As of 2025, LED UV and blue-LED transilluminators are standard in new lab installations; fluorescent tube models remain common in established labs.
Viewing surface dimensions
The UV-transparent surface determines the maximum gel size that can be viewed in one placement. Standard viewing surfaces are 20 x 20 cm (400 cm2) for standard agarose gels. Compact transilluminators with 10 x 10 cm surfaces (100 cm2) suit mini gel systems. Large-format transilluminators with 30 x 30 cm (900 cm2) surfaces can accommodate multiple gels or wide-format gels simultaneously. Confirm that the viewing surface area is larger than your largest gel tray to avoid needing to reposition the gel during band visualization.
UV safety features
UV transilluminators emit radiation that causes photokeratitis (eye damage) and skin burns within seconds of unprotected exposure. Safety requirements include: UV-blocking face shields or goggles (polycarbonate blocks UV below 380 nm); UV-opaque lab coat or arm sleeves; a darkroom enclosure or hood to contain UV radiation during imaging; and an auto-shutoff timer to limit exposure time. Gel doc systems with enclosed hoods automatically contain UV radiation and are inherently safer than open-top transilluminators used with handheld cameras.
Compatibility with SafeView DNA stains
SafeView stains (Safe-Green, Safe-Red, Safe-White) from MBP are compatible with UV transilluminators at 302-365 nm as well as blue-LED sources. Safe-Green (excitation 490 nm, emission 525 nm) is best with blue-LED at 470 nm. Safe-Red (excitation 540 nm, emission 630 nm) requires a green LED or white light source. UV transilluminators will visualize Safe-Green at reduced efficiency compared to blue-LED; for best results with SafeView stains, a dual UV + blue-LED system is recommended.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
UV transilluminator output intensity is specified in milliwatts per square centimeter (mW/cm2) at the viewing surface; 5-25 mW/cm2 at 302 nm is typical for research-grade instruments. Higher intensity enables shorter exposure times to minimize DNA damage. UV tube replacement is required every 2,000-5,000 hours of use for fluorescent-tube models; performance degrades progressively as the tube ages. Replacement tubes for standard 8 W or 15 W UV transilluminators are available through laboratory supply channels. Blue-light transilluminators at 470 nm have been shown in published studies to cause no measurable reduction in cloning efficiency even after 30-minute exposure, compared to a 30-second UV exposure that reduces transformation efficiency by 40-50% when using EtBr-stained DNA. Blue-LED transilluminators are the default specification for new labs purchasing gel visualization equipment, driven by safety compliance requirements in many institutions and the growing adoption of non-mutagenic dyes, including SafeView, SYBR Safe, and GelGreen.
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To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

BLUline Mini BLU Transilluminator

AZ-8300 by Azura Genomics — BLUline MiniBLU Transilluminator; 465 nm blue LED; 17 × 12 cm viewing surface; amber emission filter included; DNA-safe illumination; compatible with SYBR Green, Gel Green, SmartStain™; 2-year warranty.

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Emission Filter Cover

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Viewing Surface

Minicentrifuge

<h2>What Are Minicentrifuges?</h2>
&nbsp;
Minicentrifuges (personal centrifuges or pulse centrifuges) are compact lid-activated benchtop instruments that spin at a fixed speed of approximately 6,000 RPM (2,000 &times;g) for quick spin-down tasks: collecting condensate from microtube caps, concentrating PCR tube contents to the bottom before thermal cycling, briefly clarifying samples after vortexing, and pelleting small-volume precipitates in 0.2 mL, 0.5 mL, 1.5 mL, and 2.0 mL tube formats. Most models include two rotors&mdash;one for 1.5/2.0 mL microtubes with 0.5 mL adapters, and one for 0.2 mL PCR tubes and 8-strip PCR strips&mdash;in a compact benchtop footprint. Lid closure starts the rotor, and lid opening stops it within seconds. The minicentrifuge is a daily-use instrument in molecular biology laboratories performing PCR, RT-PCR, qPCR, cloning, and NGS workflows.
&nbsp;
<h2>What You Will Find:</h2>
&nbsp;
<ul>
<li>BLUline Mini Centrifuges: Compact units for routine microcentrifuge tube applications</li>
<li>BLUline PCR Plate Centrifuge: Designed for rapid PCR plate spin-downs</li>
<li>Globe Scientific Mini Centrifuge: Efficient fixed-speed units for everyday sample processing</li>
<li>myFuge&trade; 12 MiniCentrifuge: Higher sample capacity with a 12-place rotor</li>
<li>myFuge&trade; Digital Mini Centrifuge: Digital controls with combination rotor functionality</li>
<li>StripSpin&trade; Digital Mini Centrifuge: Optimized for PCR strips and plates</li>
<li>Mini Centrifuge: Compact solution for basic laboratory applications</li>
<li>Mini Plate Spinner Centrifuge: Ideal for quick microplate spin-downs</li>
<li>DLAB Mini Centrifuge: Flexible systems with multiple rotors and adapters</li>
<li>Mini Centrifuge Accessories: Rotors and adapters for different tube sizes and laboratory workflows</li>
</ul>
&nbsp;
<h2>How to Choose a Minicentrifuge</h2>
&nbsp;
Fixed Speed vs. Variable Speed
Standard minicentrifuges operate at a fixed speed of approximately 6,000 RPM. Some models offer variable-speed operation, typically between 2,000 and 10,000 RPM, providing additional flexibility for laboratories that occasionally require higher centrifugal force without investing in a full-size microcentrifuge.
Rotor Compatibility and PCR Strip Support
Confirm that both common rotor types are included: a rotor for 1.5/2.0 mL microtubes with 0.5 mL adapters and a rotor for 0.2 mL PCR tubes and PCR strip tubes. Laboratories performing high-throughput PCR or NGS workflows should ensure PCR strips fit securely and can be loaded without additional adapters.
Tool-Free Rotor Exchange
Models with tool-free rotor exchange systems allow users to switch between microtube and PCR rotors quickly without requiring tools. This feature is particularly useful in busy laboratories where rotor changes occur frequently throughout the day.
Portable and Battery Operation
Some minicentrifuges support battery operation in addition to standard AC power. These models are suitable for field sampling, point-of-care testing, mobile diagnostic applications, and environments where power outlets may not be readily available. Verify voltage compatibility and power requirements before purchase.
Noise Level
Most minicentrifuges operate at noise levels of approximately 45 dB or lower, making them suitable for shared laboratory spaces and benchtop use near workstations. Check manufacturer specifications if low-noise operation is a priority.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
At 6,000 RPM with a typical rotor radius of 39&ndash;42 mm, a standard minicentrifuge generates approximately 1,700&ndash;2,000 &times;g. This is sufficient for condensate collection, quick sample spin-downs, and concentrating PCR reaction contents but is not suitable for applications requiring higher centrifugal force such as spin-column nucleic acid purification, bacterial pelleting, or protein precipitation workflows.
Most minicentrifuges weigh less than 1.5 kg and occupy minimal bench space, making them suitable for crowded laboratory environments, PCR workstations, and biosafety cabinet work areas. Modern models emphasize ease of use through lid-activated operation, compact footprints, quiet performance, and rapid rotor exchange systems.
Your search for a premium-quality minicentrifuge ends here. <a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. today to find the right solution for your laboratory.

BLUline Mini Centrifuges

AZ-8150 BLUline Mini Centrifuge by Azura Genomics reaches 6,000 RPM (2,000 × g) and holds 8 × 1.5/2.0 mL, 32 × 0.2 mL, or 4 × PCR strips. Lid-open auto-stop in 1 second; near-silent; compact 1 kg footprint.

BLUline Mini Centrifuge, Blue lid

BLUline Mini Centrifuge, Clear lid

BLUline Mini Centrifuge, Green lid

BLUline Mini Centrifuge, Purple lid

BLUline Mini Centrifuge, Red lid

Dry Baths

<h2>What Are Dry Bath Incubators?</h2>
&nbsp;
A dry bath incubator uses direct thermal conduction from a heated aluminum block to sample tubes placed in precision-machined well inserts, rather than immersing samples in a liquid medium. This eliminates water bath contamination risks from microbial biofilms, cross-contamination between samples from water droplets, and the mineral scale buildup associated with tap water. Aluminum blocks heat rapidly: most models reach 37 degrees C from ambient in 3-5 minutes and 100 degrees C in approximately 10-15 minutes, providing faster protocol transitions than water baths for multi-temperature workflows. Interchangeable aluminum well insert blocks are machined to fit specific tube formats with tight tolerances (typically plus or minus 0.1 mm), maximizing thermal contact between the block wall and tube exterior for efficient and uniform heat transfer. Choose dry bath incubators over water baths when contamination prevention is critical, when multiple setpoint temperatures are needed in rapid succession, or when protocols require temperatures above 70 degrees C, where evaporation from water baths is significant.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<a href="https://mbpinc.net/equipments/temperature-control-equipment/temperature-controlled-baths/dry-baths/dry-baths-accessories" title="Dry Baths Accessories">Dry Baths Accessories</a>
<ul>
<li dir="ltr" role="presentation">High-conductivity interchangeable heating blocks designed to accommodate microtubes, PCR strips, and centrifuge tubes for maximum versatility.</li>
<li dir="ltr" role="presentation">Specialized block lifters and thermal covers that ensure safe handling and improved temperature insulation during high-heat protocols.</li>
<li dir="ltr" role="presentation">Precision-fit modular inserts engineered for seamless heat transfer, allowing you to customize your heating station for any vessel size.</li>
</ul>
&nbsp;
<h2>How to Choose a Dry Bath Incubator</h2>
&nbsp;
Number of blocks and block capacity
Single-block dry baths hold one aluminum insert block and typically accept 8-24 wells, depending on tube size, occupying minimal bench space. Dual-block models accept two independently controlled blocks simultaneously (see Dual Baths), enabling two temperatures in one footprint. Four-block configurations (such as Labnet DB-04A) hold four blocks with a broad temperature range up to 150 degrees C, suitable for high-throughput labs processing multiple protocols simultaneously. Confirm well count per block for your primary tube format before purchasing.
Temperature range
Standard dry bath incubators cover ambient plus 5 degrees C to 100 degrees C, sufficient for most molecular biology protocols (37 degrees C incubation, 55-60 degrees C Proteinase K digestion, 70 degrees C inactivation, 95 degrees C DNA denaturation). Extended-range models reach 120-160 degrees C for applications such as paraffin embedding at 60-65 degrees C, wax melting, electrophoresis gel denaturation, and COD (chemical oxygen demand) digestion at 150 degrees C. Models with Peltier cooling blocks extend the lower range to -10 to -30 degrees C for sub-ambient incubations.
Temperature accuracy and uniformity
Block temperature accuracy (deviation from the true temperature at setpoint) is typically plus or minus 0.2-0.5 degrees C at 37 degrees C for microprocessor PID-controlled units; the Biolab dry bath incubator 1306 series specifies plus or minus 0.3 degrees C stability and or minus 0.3 degrees C block uniformity at 100 degrees C. Block uniformity describes the temperature variation between different wells in the same insert at the same setpoint, a critical specification when running comparative assays where all samples must be at identical temperatures.
Heated lid
An adjustable heated lid positions a temperature-controlled surface directly above the tube caps during incubation, preventing condensation of volatile samples on the cooler upper portions of the tube and the cap. Heated lids are essential for enzyme reactions, isothermal amplification (LAMP), immunoassay incubations, and any protocol where evaporation or condensation affects sample concentration or reaction outcome. Models like the Labnet PR1MA Mini with Heated Lid allow independent temperature setting of the lid to optimize anti-condensation heating without overheating the sample.
Programmable timer and multi-cycle function
Programmable dry baths with a built-in timer (up to 99 hours and 59 minutes on most models) allow unattended protocol completion with automatic shutoff. Multi-cycle function (up to 99 repetitions) enables automated ramp-hold-repeat cycles for denaturation-renaturation experiments, isothermal nucleic acid amplification protocols, and temperature cycling without a PCR thermocycler for simple two-step protocols. Auto-restart after power failure is standard on research-grade models.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
A 150 W heating element in a single-block dry bath achieves temperature equilibration from 25 degrees C to 100 degrees C in 10 minutes or less, compared to 15-25 minutes for a 12-20 L water bath at comparable setpoints. Block temperature uniformity of plus or minus 0.3 degrees C across all wells is standard for research-grade dry bath incubators; economy models may specify plus or minus 1 degree C block uniformity, which is insufficient for quantitative assays comparing samples run in different wells. Dry bath incubators operating at 95-100 degrees C require minimal maintenance compared to water baths: no water changes, no algae treatment, no mineral descaling, making them operationally lower-cost for high-temperature molecular biology protocols. Dry bath incubators with heated lids, dual LED displays (showing actual and setpoint temperatures simultaneously), and programmable multi-cycle timers are the standard specification for new molecular biology lab installations, replacing older dry block heaters.&nbsp;
&nbsp;
Ready to upgrade your sample heating setup? Explore our full range of dry baths and <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for a quote today.

BLUline Mini Dry Bath

The BLUline™ Mini Dry Bath (AZ-8275) by Azura Genomics offers RT+5°C to 100°C temperature control with ±0.5°C accuracy, six interchangeable block options (sold separately), a 1 kg footprint, and universal 100–240 V power. Available from MBP Inc.

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Temperature Accuracy

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BLUline PCR Plate Centrifuge

The BLUline PCR Plate Centrifuge (AZ-8000) by Azura Genomics runs at 2,550 RPM / 600 × g with a patented swing-out rotor, consolidating plate reactants to well bottoms in under 20 seconds. Holds 2 × PCR plates or 24 × 0.2 mL PCR strips; compatible with skirted, semi-skirted, and non-skirted plates. Compact at 9 lbs; 2-year warranty.

Vortex Mixers

<h2>What are laboratory vortex mixers?</h2>
&nbsp;
A laboratory vortex mixer is a small benchtop instrument with an eccentrically rotating motor that drives a cup-shaped rubber head in a rapid circular path, creating a vortex in liquid-filled tubes or vessels pressed onto the cup. The vibration transfers through the closed tube wall to the liquid, generating a powerful swirling vortex that thoroughly mixes tube contents within seconds. Vortex mixers are used throughout the laboratory for resuspending pellets after centrifugation, mixing enzyme reaction components, homogenizing samples, dissolving compounds, and briefly but thoroughly mixing any small tube or vessel.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
BLUline vortex mixer: with a flip-head for faster, touch-based mixing
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
BenchMixer&trade; vortex mixers: for everyday, reliable lab vortexing
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
BenchMixer&trade; XL multi-tube vortexer: for high-performance output sample processing
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Labnet Orbit 300 multipurpose digital vortexer: for programmable and controlled mixing
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Vortex mixer accessories: including horizontal heads, tube racks, and foam holders for different tube sizes and applications
</li>
</ul>
&nbsp;
<h2>How to choose a vortex mixer</h2>
&nbsp;
Choose touch-mode for ad hoc brief mixing and continuous-mode for timed runs
Touch-mode vortex mixers run only when a tube or vessel is pressed against the cup head, stopping immediately on release &mdash; the natural format for brief, on-demand mixing during pipetting workflows. Continuous-mode switches the mixer to run at a set speed without tube contact, suitable for timed mixing steps or when using a multi-tube adapter for batch runs.
Match vortex speed range to your application
Standard vortex mixers operate between approximately 600 and 3200 rpm, with lower speeds appropriate for gentle mixing of delicate samples or larger vessels, and full speed appropriate for vigorous resuspension of tightly packed pellets. Variable-speed models with a dial allow speed to be dialed down for sensitive applications.
Confirm tube compatibility with the cup head or adapter
The standard cup head on most vortex mixers accommodates 1.5 mL and 2 mL microcentrifuge tubes directly, and most standard tube formats up to approximately 50 mL can be mixed by holding the tube against the cup at the appropriate angle. For 15 mL and 50 mL conical tubes, holding at a slight angle rather than vertical provides more efficient mixing.
Consider a multi-tube foam insert for batch processing
Foam inserts and multi-tube adapters allow 6, 8, or more tubes to be mixed simultaneously during a timed continuous-mode run, suited for batch mixing of many samples between processing steps.
Check that footprint and noise level suit your bench placement
Vortex mixers vary considerably in physical footprint and operating noise; models with a suction-cup base or weighted housing reduce walking on the benchtop at high speed. For open-plan labs or shared spaces, noise level at full speed is worth checking in product specifications.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The classic vortex mixing action produces a liquid vortex through eccentrically driven cup oscillation at typically 2000&ndash;3200 rpm for full-speed operation, a mechanism that has remained essentially unchanged since the Vortex-Genie design introduced by Scientific Industries in 1962. As of 2026, variable-speed vortex mixers with touch-mode and continuous-mode operation and a removable cup head for accessory attachment remain the most widely used format in molecular biology and biochemistry labs.
<a href="https://mbpinc.net/contact-us">Contact the MBP team today</a> to request a quote and find the right vortex mixer for your application.

BLUline Vortex Mixer with Flip-Head

AZ-8225 BLUline Vortex Mixer with Flip-Head by Azura Genomics provides 200–3,200 RPM vortexing with a reversible cup/flat platform, touch or continuous mode, and support for tubes up to 50 mL. Dual-voltage, 2-year warranty.

Operating modes

Orbit

Operating Temp. Range

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High-Fidelity DNA Polymerase

<h2>What Are High-Fidelity DNA Polymerases?</h2>
&nbsp;
The development of high-fidelity thermostable DNA polymerases transformed PCR from a tool for detection and amplification into a precise DNA engineering platform. By combining thermostability with 3' to 5' proofreading exonuclease activity, modern high-fidelity enzymes detect and remove misincorporated bases immediately after insertion during DNA synthesis. Polymerase fidelity can significantly affect downstream results, so choosing an enzyme that meets your accuracy and performance requirements is essential.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>High-fidelity DNA amplification with proofreading activity using Azura TruFi&trade; II DNA Polymerase.</li>
<li>Proofreading polymerase formulations with matched reaction buffers, including ExtremeTaq&trade; DNA Polymerase with 5x Reaction Buffer.</li>
<li>Accurate PCR amplification with Accuris High Fidelity DNA Polymerase for cloning, sequencing, and mutagenesis workflows.</li>
<li>High-fidelity enzyme systems featuring proofreading activity, including MegaFi Pro Fidelity DNA Polymerase.</li>
</ul>
&nbsp;
<h2>How to Choose a High-Fidelity DNA Polymerase</h2>
&nbsp;
Enzyme Family Selection
High-fidelity polymerases differ in processivity, extension speed, fidelity, and template compatibility. Selection should consider amplicon length, GC content, template complexity, and downstream application requirements.
Format: Enzyme vs. Master Mix
Individual high-fidelity enzymes with optimized HF buffers suit custom reaction optimization, particularly for difficult templates requiring buffer additive titration. In contrast, 2x master mixes streamline routine high-fidelity amplification for cloning and mutagenesis workflows.
Error Rate Requirements
For applications where amplicons will be cloned and sequence-verified downstream, the approximately 50- to 100-fold lower error rate of high-fidelity enzymes compared with standard Taq polymerase substantially reduces the frequency of sequence-confirmed clones carrying PCR-introduced mutations.
Extension Speed and Cycling Time
High-fidelity polymerases often extend faster than standard Taq per kilobase, which can shorten overall cycling time for long amplicons. However, optimal cycling parameters are enzyme-specific and should follow the manufacturer's recommendations.
Cloning Method Compatibility
Some high-fidelity polymerases generate blunt-ended PCR products suited to Gibson Assembly or blunt-end cloning strategies, while others may require additional steps for TA cloning. Confirm compatibility with your intended downstream cloning method before selection.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
The development of high-fidelity thermostable DNA polymerases&mdash;combining thermostability with 3' to 5' proofreading exonuclease activity&mdash;transformed PCR from a detection and amplification tool into a precise DNA engineering platform, enabling reliable cloning, site-directed mutagenesis, and sequencing-grade amplification. The proofreading mechanism corrects misincorporated bases immediately after insertion, reducing error rates to approximately 10&minus;6 per nucleotide. Selection between high-fidelity polymerases often depends on template characteristics such as GC content, amplicon length, secondary structure, and downstream cloning requirements. High-fidelity enzymes are typically stored at &minus;20 &deg;C with matched HF buffer systems, and lot-specific Certificates of Analysis (CoAs) are available upon request. For sequencing-bound amplicons, confirm that the selected polymerase's documented error rate meets the level of sequence accuracy required, as even a 50- to 100-fold improvement over standard Taq may not be sufficient for applications demanding extremely low mutation rates across very long amplicons. Product availability reflects MBP's catalogue as of mid-2026.
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team at MBP </a>today to find high-fidelity DNA polymerase solutions for streamlining your laboratory workflows.

ExtremeTaq DNA Polymerase - Product Sheet

ExtremeTaq™ DNA Polymerase (With 5x Reaction Buffer)

ExtremeTaq™ DNA Polymerase (AZ-1905) by Azura Genomics is a 5 U/µL hot-start, proofreading-enhanced Taq formulation delivering up to 10× higher fidelity than standard Taq and long PCR up to 10 kb. Supplied with 5× buffer in 500 U, 1,000 U, and 5,000 U sizes from MBP Inc.

ExtremeTaq™ DNA Polymerase (With 5x Reaction Buffer), 500 U (5U/μL)

ExtremeTaq™ DNA Polymerase (With 5x Reaction Buffer), 1000 U (5U/μL)

ExtremeTaq™ DNA Polymerase (With 5x Reaction Buffer), 5000 U (5U/μL)

High-Fidelity Master Mix

<h2 dir="ltr">What Is a High-Fidelity PCR Master Mix?</h2>
 A high-fidelity PCR master mix is a 2x concentrated, pre-formulated solution containing a proofreading DNA polymerase (Phusion, Q5, KOD, or Pfu-equivalent), dNTPs, MgCl2, and reaction buffer &mdash; requiring only the addition of template and primers to set up a reaction. The proofreading polymerase's 3' to 5' exonuclease activity corrects misincorporated nucleotides during synthesis, reducing the error rate roughly 50-100-fold compared to standard Taq master mixes. Choose a high-fidelity master mix whenever the amplicon will be cloned, mutagenised, or sequenced &mdash; not for routine genotyping, where standard Taq is sufficient and lower cost.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="uyjmeg" data-start="418" data-end="539">Streamlined post-amplification analysis with high-fidelity 2X red mix formulations with direct gel-loading capability</li>
<li data-section-id="1rh0fvx" data-start="540" data-end="630">Pre-optimized high-fidelity 2X PCR master mixes containing proofreading DNA polymerase</li>
<li data-section-id="6drhog" data-start="631" data-end="735">Reduced non-specific amplification and primer-dimer formation compared to standard Taq-based systems</li>
<li data-section-id="1pa7u4r" data-start="736" data-end="826">High-fidelity amplification suitable for cloning workflows requiring sequence accuracy</li>
<li data-section-id="1n3ow6j" data-start="827" data-end="925">2X master mix formats designed for reproducible amplification across a range of template types</li>
</ul>
<h2 dir="ltr"> How to Choose a High-Fidelity Master Mix</h2>
 Downstream Application Cloning into expression vectors, site-directed mutagenesis, and sequencing-bound amplicons all benefit from the reduced error rate of a high-fidelity master mix. Routine genotyping or colony screening does not require this level of accuracy and is typically served by standard Taq master mixes at a lower cost. Template Difficulty (GC Content, Length) Some high-fidelity master mix formulations are specifically optimised for GC-rich templates or long amplicons (&gt;5 kb), where standard high-fidelity formulations may show reduced yield. Check product-specific template compatibility notes before ordering for difficult targets. Extension Time and Cycling Protocol High-fidelity polymerases often have different optimal extension times per kilobase compared to standard Taq &mdash; some extend faster, shortening overall cycling time for long amplicons. Follow the manufacturer's recommended cycling parameters rather than reusing a standard Taq protocol. Cloning Method Compatibility Some high-fidelity master mixes produce blunt-ended products suited to Gibson Assembly or blunt cloning strategies; others may need additional A-tailing for TA cloning. Confirm compatibility with your intended downstream cloning method before selecting a product. Format Convenience vs. Component Flexibility The 2x master mix format minimises pipetting steps and improves reproducibility for routine high-fidelity workflows. Researchers needing to titrate individual components (e.g., additional MgCl2 for a specific template) may prefer the individual high-fidelity enzyme plus separate buffer instead. 
<h2 dir="ltr"> Specifications Context</h2>
 A 2x high-fidelity master mix is set up identically to a standard 2x Taq master mix &mdash; combined with template and primers at the manufacturer-specified ratio to reach 1x working concentration &mdash; but the included proofreading polymerase detects and removes misincorporated bases immediately after insertion, reducing the per-cycle error rate to approximately 10⁻⁶ per nucleotide. This level of accuracy matters specifically because any error introduced during amplification is propagated into the final cloned construct or sequencing read. High-fidelity master mixes are typically stored at &minus;20 &deg;C; lot-specific CoAs documenting activity and quality control are available on request. 
&nbsp;
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User Manual

ExtremeTaq HiFi Red Mix - Product Sheet

MSDS

ExtremeTaq™ HiFi Red Mix

AZ-1910 ExtremeTaq™ HiFi Red Mix by Azura Genomics is a 2x hot-start PCR master mix with up to 10x fidelity vs Taq, antibody-mediated hot-start, proofreading 3'→5' exonuclease, direct-load red dye, 10 kb amplicon capacity, available in 200–8000 reaction pack sizes.

ExtremeTaq HiFi Red Mix 200 Reactions

ExtremeTaq HiFi Red Mix 1000 Reactions

ExtremeTaq HiFi Red Mix 2000 Reactions

Lytic Enzymes

<h2>What Are Lytic Enzymes?</h2>
&nbsp;
Lytic enzymes degrade the structural polysaccharide scaffolding of microbial cell walls, enabling cell disruption under mild conditions without mechanical force. Lysozyme (N-acetylmuramide glycanohydrolase) cleaves the beta-1,4 glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine residues in bacterial peptidoglycan, lysing gram-positive bacteria efficiently and gram-negative bacteria when paired with EDTA to destabilize the outer membrane. Lyticase from Arthrobacter luteus hydrolyzes beta-1,3-glucan in yeast cell walls and is the standard reagent for generating spheroplasts from Saccharomyces cerevisiae and other yeast species. Lysostaphin is a glycyl-glycine endopeptidase that specifically cleaves the polyglycine cross-links in Staphylococcus aureus peptidoglycan. Mutanolysin cleaves beta-1,4 linkages in the alternating N-acetylmuramyl-N-acetylglucosamine backbone of gram-positive bacteria, complementing lysozyme for complete lysis of resistant species. Choose the lytic enzyme based on organism type (bacterial vs. yeast/fungal), Gram stain classification, and intended downstream workflow (DNA extraction, protein isolation, or transformation).
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Zymolyase&trade; Ultra: An elite, high-activity enzyme optimized for rapid fungal cell wall digestion and maximum nucleic acid recovery.
</li>
<li dir="ltr" aria-level="1">
Flash-Extract Lysis Solution: A streamlined reagent for immediate genomic DNA release from diverse samples, ideal for NGS integration.
</li>
<li dir="ltr" aria-level="1">
Zymolyase&trade; w/ Storage Buffer: A stabilized formulation designed to maintain long-term enzymatic potency and consistent performance across all assays.
</li>
</ul>
&nbsp;
<h2>How to Choose Lytic Enzymes</h2>
&nbsp;
Gram-positive vs. gram-negative bacteria
Lysozyme alone lyses most gram-positive bacteria efficiently at concentrations of 0.1-1 mg/mL in 10 mM Tris-HCl, pH 8.0, 1 mM EDTA at 37 degrees C for 30-60 minutes. Gram-negative bacteria require EDTA (typically 10-50 mM) to chelate divalent cations and disrupt the outer membrane before lysozyme can access the peptidoglycan. Species with thick, atypical cell walls, such as Micrococcus, Staphylococcus, and Streptococcus, may respond better to lysostaphin, mutanolysin, or mechanical disruption combined with enzymatic lysis.
Yeast and fungal lysis
Lyticase (minimum 2,000 U/mg protein) is the reagent of choice for yeast spheroplast generation and DNA/RNA extraction from Saccharomyces, Candida, Pichia, Kluyveromyces, and related species. A typical protocol uses 10-100 U of lyticase per OD600 unit of yeast cells in 1 M sorbitol buffer at 30 degrees C for 30-60 minutes. Kitalase (from Rhizoctonia solani) combines beta-1,3-glucanase with protease, pectinase, and amylase activity, providing broader lytic activity for resistant fungal species.
DNA purity requirements
For microbiome research and 16S/18S rDNA amplification, lytic enzymes must be certified free of contaminating DNA. Lyticase lots used in microbiome studies are QC-tested by 35-cycle PCR amplification of 16S and 18S rDNA using universal primer sets; confirm this certification with each lot before use in amplicon sequencing workflows.
Downstream compatibility
Most lytic enzymes are inactivated by subsequent SDS treatment or heating to 95 degrees C for 5 minutes, making them compatible with standard nucleic acid extraction kits. Lyticase requires removal before silica column binding; heat inactivation at 70 degrees C for 10 minutes or proteinase K digestion at 55 degrees C for 30 minutes accomplishes this. Confirm inactivation conditions in the manufacturer's protocol before proceeding.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Lysozyme activity is measured in units per milligram of protein, where 1 unit is defined as the decrease in absorbance of 0.001 per minute at 450 nm when Micrococcus lysodeikticus cells are used as substrate at pH 6.24 and 25 degrees C. Lyticase activity is expressed as units per milligram protein; 1 unit releases 1 nmol of glucose from yeast cell walls per minute at 30 degrees C. Lysozyme is stable for 12 months at 4 degrees C as a lyophilized powder and should be dissolved in 10 mM sodium acetate, pH 4.5-5.0, for storage in solution. Lytic enzyme combinations with mechanical disruption (bead beating) are standard for complete lysis of difficult samples, including Mycobacterium, spore-forming bacteria, and thick-walled fungi in clinical and microbiome research workflows. For downstream removal of protein from lysates, see <a href="https://mbpinc.net/reagents/molecular-biology/enzymes-and-inhibitors/proteases">proteases,</a> including Proteinase K, for nucleic acid cleanup.
&nbsp;
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Product Literature

Flash-Extract Lysis Solution

AZ-3410 by Azura Genomics: single-tube lysis solution releasing PCR-ready genomic DNA from mouse tails, ear punches, plant leaves, bacteria, and saliva in 8 minutes. Complete workflow under 60 minutes. Available in 100-, 400-, and 2,000-reaction packs. Store at −20°C.

Flash-Extract Lysis Solution 100 reactions

Flash-Extract Lysis Solution 400 reactions

Direct PCR Master Mixes

<h2>What Are Direct PCR Master Mixes?</h2>
&nbsp;
Direct PCR master mixes are specially formulated 2x PCR reagents designed to amplify nucleic acid targets directly from crude biological samples such as blood, buccal swabs, tissue punches, cultured cells, or other minimally processed material without a separate DNA or RNA extraction step. This is achieved through inhibitor-tolerant polymerase formulations, often combined with proprietary buffer additives that counteract the effects of hemoglobin, melanin, polysaccharides, and other common PCR inhibitors present in crude lysates.&nbsp;Choose a direct PCR master mix for high-throughput genotyping or rapid screening applications where eliminating the extraction step provides meaningful time and cost savings, provided the application tolerates the typically modest reduction in amplification efficiency compared to extracted-template PCR.
&nbsp;
<h2>What You Will Find</h2>
&nbsp;
<ul>
<li>Direct PCR &amp; Fast Extraction Kits: Streamlined solutions such as the Flash-Extract&trade; PCR Kit and Accuris Fast Extraction PCR Kit that enable rapid PCR workflows from minimally processed samples, reducing preparation time and simplifying genotyping applications.</li>
<li>Genotyping Kits: Specialized products including the Azura&trade; Mouse Genotyping Kit and Accuris 1 Hour Mammalian Genotyping Kit, designed for reliable genotyping workflows using tissue, tail, ear, or other biological samples.</li>
</ul>
&nbsp;
<h2>How to Choose a Direct PCR Master Mix</h2>
&nbsp;
Sample Type Compatibility
Direct PCR formulations vary in the crude sample types they are validated for. Blood, tissue, cells, and swabs each present different inhibitor profiles, so confirm the master mix is validated for your specific sample type before adopting it for a new workflow.
Inhibitor Tolerance Mechanism
Inhibitor tolerance is typically achieved through a combination of enzyme engineering and buffer additives that bind or neutralize inhibitory compounds. The specific combination affects which inhibitor types, such as heme from blood or melanin from pigmented tissue, the mix is best suited to handle.
Lysis Step Requirements
Some direct PCR master mixes require a brief lysis step, such as a short heat or detergent treatment, before amplification, while others are formulated for direct addition of the crude sample to the PCR reaction. Confirm the workflow complexity matches your throughput needs.
Amplicon Size and Application
Direct PCR is well established for short-to-moderate amplicon genotyping and screening applications. Very long amplicons or applications requiring maximum yield from limited template may still benefit from a brief extraction step even when a direct-compatible mix is available.
Comparison to Extraction-Based PCR
Direct PCR master mixes generally show good performance for routine genotyping but may exhibit somewhat reduced sensitivity or yield compared to PCR from purified template. For applications where extraction-free convenience outweighs a modest performance trade-off, direct PCR offers substantial time savings, particularly at high sample throughput.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Direct PCR master mixes enable PCR directly from crude samples through heat-stable polymerases tolerant of inhibitor compounds and lysis buffer components, combined with optimized buffer systems designed to neutralize hemoglobin, melanin, polysaccharides, and other inhibitors commonly found in blood, tissue, and plant material. The time savings from eliminating extraction are most significant in high-throughput genotyping pipelines, where extraction across hundreds of samples can represent a substantial fraction of total workflow time. As with any inhibitor-tolerant formulation, performance can vary by specific sample matrix. Validating a direct PCR master mix against a small panel of representative samples before deploying it across a full study is considered good practice. Direct PCR master mixes are typically stored at -20&deg;C. Lot-specific Certificates of Analysis (CoAs) are available on request.&nbsp;
&nbsp;
Streamline your amplification workflow&mdash;<a href="https://mbpinc.net/contact-us">contact the MBP team</a> today for a quote on our professional Direct PCR solutions.

Flash-Extract PCR Kit - Product Sheet

Flash-Extract™ PCR Kit

AZ-3310 by Azura Genomics is the Flash-Extract™ PCR Kit: integrated DNA extraction and PCR amplification from mouse tissue, plant, bacteria, and saliva in under 60 minutes. No centrifugation required. Available in 100-, 400-, and 2000-reaction packs.

Flash-Extract PCR Kit 100 reactions

Flash-Extract PCR Kit 400 reactions

Reverse Transcriptase

<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;
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP today and get research-grade reverse transcription enzymes for your lab.

HighTherm Reverse Transcriptase - Product Sheet

HighTherm™ Reverse Transcriptase

AZ-1991 by Azura Genomics: HighTherm™ Reverse Transcriptase — engineered MMLV RT with &gt;90% activity at 50°C/60 min. Working range 38–55°C. Synthesizes 100 bp–&gt;12 kb cDNA from 1 pg–5 µg total RNA. Reduced RNase H activity for full-length cDNA. Supplied at 200 U/µl with 5× Buffer.

HighTherm Reverse Transcriptase 10,000u

HighTherm Reverse Transcriptase 40,000u

Proteinase K

<h2>What Is Proteinase K?</h2>
&nbsp;
Proteinase K is a subtilisin-related serine endopeptidase with a molecular weight of 28,930 daltons (28.9 kDa), first isolated from Tritirachium album Limber in 1974, and named for its ability to digest keratin ('K') as its original substrate. The enzyme cleaves peptide bonds at the carboxylic side of aliphatic, aromatic, and basic amino acid residues, making it effective against nearly all protein substrates, including histones, chromatin-bound proteins, cell membrane proteins, and contaminating nucleases (DNases, RNases). Critically, Proteinase K retains full activity in the presence of 1% SDS, 4 M urea, 1% Triton X-100, 0.5% N-lauroylsarcosine, EDTA at 5 mM, and common reducing agents -- conditions under which most other proteases are inactivated. Use Proteinase K in any protocol requiring enzymatic removal of proteins from nucleic acid preparations, including genomic DNA, total RNA, plasmid, phage, and cfDNA extraction from tissues, blood, FFPE samples, bacteria, yeast, and environmental samples.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Proteinase K (Lyophilized): A stable, high-purity powder ideal for prolonged storage and tailored buffer preparation.
</li>
<li dir="ltr" aria-level="1">
Proteinase K Solution: A prepared, stable liquid that reduces preparation time and minimizes pipetting mistakes.
</li>
<li dir="ltr" aria-level="1">
Proteinase K (G029): A specially refined grade designed for the swift inactivation of RNases and DNases in sensitive procedures.
</li>
</ul>
&nbsp;
<h2>How to Choose Proteinase K</h2>
&nbsp;
Solution vs. lyophilized
Proteinase K is supplied as lyophilized powder (commonly at 30 mAnson units/mg or 20 mg/mL equivalent activity) or as a ready-to-use solution (typically 20 mg/mL in storage buffer). Lyophilized powder offers longer shelf life (up to 2 years at -20 degrees C), cost efficiency for high-volume users, and flexibility in buffer preparation. Solutions are convenient for low-volume use and eliminate weighing errors. Both formats deliver equivalent specific activity when the lot certificate is checked.
Molecular biology grade vs. standard
Molecular biology grade Proteinase K is certified free of detectable endonuclease, exonuclease, DNase, and RNase activities by stringent lot-release assays. Standard grades may carry trace nuclease activity that degrades DNA or RNA during digestion. For any application where nucleic acid integrity matters -- DNA sequencing, NGS library prep, RT-PCR, FISH, or southern blotting -- use only molecular biology grade or equivalent.
Recombinant vs. native
Recombinant Proteinase K (expressed in Pichia pastoris or E. coli) offers freedom from animal-derived material, greater lot-to-lot consistency, and suitability for regulated or GMP-adjacent workflows. Native Proteinase K (isolated from T. album culture) is standard for most research applications. Both must carry DNase/RNase-free certification for nucleic acid use.
Concentration and unit dose
Standard working concentrations are 50-200 microgram/mL for most DNA/RNA extraction protocols in lysis buffer. Higher concentrations of 1-5 mg/mL are used for FFPE tissue deparaffinization and protein digestion, and for prion inactivation studies (where Proteinase K at 10-50 microgram/mL is used to assess proteinase K-resistant PrP accumulation). Proteinase K retains activity for up to 24 months when stored at -20 degrees C in aliquots.
Temperature and pH optimization
Optimal activity is at 20-60 degrees C and pH 7.5-12.0; activity at pH 8.0 and 55 degrees C is used in most nucleic acid extraction protocols. Activity at 37 degrees C is approximately 80% of the 55-60 degrees C optimum. Calcium ions (1 mM Ca2+) stabilize the enzyme structure; EDTA removes calcium and reduces activity, though the enzyme retains sufficient function for nucleic acid prep protocols. Heat-inactivation above 95 degrees C for 5 minutes is complete and does not require chemical inhibitors.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Proteinase K specific activity is commonly reported in Anson units (mAnson units/mg): one mAnson unit releases 1 micromol of tyrosine equivalents per minute from hemoglobin at pH 7.5 and 35.5 degrees C. Proteinase K is fully denatured at 95 degrees C in 5 minutes without requiring PMSF or other chemical inhibitors, making heat inactivation the simplest and most reliable option before downstream enzymatic steps such as PCR or reverse transcription. The enzyme is deactivated above 95 degrees C within the first cycle of PCR thermocycling, preventing interference with polymerase activity in protocols that include Proteinase K in the PCR reaction. Proteinase K is a universal reagent in automated nucleic acid extraction platforms, including MagNA Pure, KingFisher, and Hamilton NGS workstations; solution-format Proteinase K is specified in most automated platform kits.&nbsp;
&nbsp;
Simplify your laboratory tasks&mdash;<a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> now for a price estimate on our top-tier Proteinase K products.

AZ-3101 by Azura Genomics is a recombinant Proteinase K in lyophilized powder form, molecular biology grade, expressed in Pichia pastoris. RNase-, DNase-, and exonuclease-free with ≤10 pg/mg residual DNA. pH stable 4.0–12.5; active up to 56°C. Available in 100–1000 mg formats.