Brands

Mag Beads

<h2>What are Magnetic Bead Viral RNA Extraction Kits?</h2>
&nbsp;
Magnetic bead viral RNA extraction kits purify viral RNA from cell-free biological matrices - plasma, serum, nasopharyngeal swabs, urine, saliva, blood, and cell culture supernatant - by binding viral nucleic acids to paramagnetic silica-coated beads during chaotropic lysis. A magnetic field captures bead-RNA complexes during wash steps, eliminating centrifugation, and purified viral RNA elutes in 20-50 ul of RNase-free water or elution buffer suitable for direct use in RT-qPCR, RT-LAMP, and next-generation sequencing. The 96-well plate format processes all samples in a single run on a compatible liquid-handling robot, making this the standard choice for surveillance programs, diagnostic batch processing, and clinical biobank workflows. Choose a magnetic bead viral RNA kit when daily sample volumes exceed 24 extractions per session, when automation infrastructure is available, or when viral loads are low and maximum sensitivity from a small elution volume is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li>Magbio HighPrep Viral RNA Kit KingFisher for seamless, automated viral RNA extraction using specialized superparamagnetic bead technology.</li>
<li>KingFisher-compatible magnetic bead workflows designed for high-throughput pathogen processing.</li>
<li>Automation-ready viral RNA purification solutions that reduce manual handling and improve laboratory efficiency.</li>
<li>Magnetic bead-based extraction systems for reliable recovery of viral nucleic acids from diverse sample types.</li>
<li>High-quality viral RNA isolation products suitable for RT-PCR, qPCR, sequencing, and molecular diagnostics applications.</li>
<li>Scalable pathogen extraction kits optimized for routine testing, surveillance, and research workflows.</li>
</ul>
&nbsp;
<h2>How to Choose a Magnetic Bead Viral RNA Extraction Kit</h2>
&nbsp;
Automation Platform Compatibility
Confirm the kit provides validated automation scripts for your instrument before purchase. Zymo Research Quick-DNA/RNA Viral MagBead kits support Tecan Fluent, Hamilton STAR, and Beckman Biomek; Thermo Fisher MagMAX Viral/Pathogen kits are validated on the KingFisher Flex and Duo systems. Generic bead kits without platform-specific scripts require in-house protocol development that adds weeks of validation time.
RNA-Only vs. DNA/RNA Co-Extraction
For pan-pathogen surveillance panels covering both RNA viruses (influenza, SARS-CoV-2, RSV) and DNA viruses (EBV, CMV, adenovirus, HPV), select a kit explicitly validated for DNA/RNA co-extraction. RNA-only kits use binding conditions that discriminate against dsDNA and will underperform on DNA viral targets.
Sample Input Volume and Matrix
Standard magnetic bead viral RNA kits support 100-200 ul of plasma, serum, or swab eluate per well. For low-viral-load samples where concentrating a larger starting volume is critical, verify the kit protocol for 500 ul input per well and confirm bead volume scales proportionally. Samples stabilized in Zymo DNA/RNA Shield can be directly loaded without an additional inactivation step.
Elution Volume
A 20-50 ul elution concentrates viral RNA from a standard 200 ul input by 4-10-fold relative to the original matrix, improving RT-qPCR sensitivity by 0.5-1.5 Ct. For sequencing applications, a 50-100 ul elution recovers more total RNA mass, which is more important than concentration for library input requirements.
Carrier RNA
Confirm the kit includes carrier RNA in the lysis buffer for low-titer specimens. For samples with expected viral copies &lt; 1x10^3/ml, carrier RNA supplementation is not optional - it is the difference between detectable and non-detectable results.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Performance benchmarks: &gt;=70% RNA recovery measured by spike-in controls, eluate A260/A280 &gt;= 1.7, and Ct within 2 cycles of reference extraction. Magnetic bead-based extraction has been benchmarked against the QIAGEN QIAcube commercial platform and shown comparable RT-qPCR sensitivity for SARS-CoV-2 N-gene and E-gene targets, as reported in published peer-reviewed diagnostic studies. Zymo Research Quick-DNA/RNA Viral MagBead kits (R2140-E, R2141-E) hold Emergency Use Authorization and CE-IVD designation for diagnostic use, and are used in SARS-CoV-2 clinical workflows. Store extracted viral RNA at -70C to -80C; pre-extraction sample stabilization with DNA/RNA Shield enables ambient-temperature transport for up to 30 days without loss of RNA integrity.
<section class="mbp-contact-cta">
&nbsp;
MBP's specialist team can help match kit chemistry, format, and throughput to your sample type and downstream application.&nbsp;<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> for personalized guidance.
</section>

HighPrep Viral RNA Kit (KF Format)

Product Fact Sheet - HighPrep Viral RNA Kit

Magbio HighPrep Viral RNA Kit KingFisher

The HighPrep Viral RNA Kit KingFisher Format by MagBio Genomics extracts viral RNA from 200 µL of nasopharyngeal swabs, whole blood, serum, plasma, and saliva in 23 minutes on KingFisher™ Flex (MVP_2Wash_200_Flex program). No organic solvents required. Optimized for SARS-CoV-2 RNA isolation. Compatible with RT-qPCR, PCR, NGS, and viral load monitoring workflows. Available in 96-prep (KFV-R96) and 2000-prep (KFV-R2000) sizes.

Features

Main functions

Starting material (Sample matrix)

Sample amount (Input)

Downstream application

Process method

Instrument

Purification method

Purification time

Manufacturer

HighPrep Viral RNA Kit KingFisher™ Format (96 Preps)

HighPrep Viral RNA Kit KingFisher™ Format (2000 Preps)

<h2>What are Magnetic Bead Viral DNA/RNA Co-Extraction Kits?</h2>
&nbsp;
Magnetic bead viral DNA/RNA co-extraction kits purify both viral DNA and RNA from plasma, serum, urine, nasopharyngeal swabs, saliva, blood, cellular suspensions, biopsies, fecal samples, and cell culture media stored in DNA/RNA Shield using paramagnetic silica-coated beads that bind nucleic acids from &gt;50 nt to &gt;200 kb during a single chaotropic lysis step, with magnetic separation during successive wash steps removing inhibitors - no centrifugation required during purification. The 96-well format integrates with KingFisher Flex, Tecan Fluent, and Hamilton STAR liquid-handling platforms, enabling fully automated extraction of both RNA viruses (SARS-CoV-2, influenza, HIV) and DNA viruses (adenovirus, herpesvirus, parvovirus) from 96 samples per run. Choose the magnetic bead format for viral DNA/RNA co-extraction when processing 48+ samples per run, when a compatible automation platform is available, or when the program requires EUA-associated workflows validated for SARS-CoV-2 or other respiratory panel targets.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Magbio HighPrep Viral-Bacterial DNA &amp; RNA Kit (HVB-DR0): Scalable magnetic bead chemistry optimized for the simultaneous extraction of viral and bacterial nucleic acids from diverse fluid profiles.
</li>
<li dir="ltr" style="color: #000000;" aria-level="1">
Magbio HighPrep Viral DNA &amp; RNA Kit (HPV-DR0): High-efficiency magnetic isolation systems engineered for the rapid purification of viral target vectors from fluid specimens.
</li>
<li dir="ltr" style="color: #000000;" aria-level="1">
Magbio HighPrep Viral-Pathogen DNA &amp; RNA Kit (HPP-DR0): Specialized bead technology designed to maximize pathogen recovery and eliminate inhibitors from challenging biological matrices.
</li>
<li dir="ltr" style="color: #000000;" aria-level="1">
Quick-DNA/RNA Viral MagBead (R2140): Advanced magnetic-bead separation configurations built for fast, high-purity co-purification of total viral nucleic acids.
</li>
</ul>
&nbsp;
<h2>How to Choose a Magnetic Bead Viral DNA/RNA Co-Extraction Kit</h2>
&nbsp;
Automation Platform Compatibility
Confirm the kit's automation scripts are available for your specific platform before purchase. The Quick-DNA/RNA Viral MagBead Kit is used in Zymo Research's SARS-CoV-2 EUA workflow and is compatible with KingFisher and other major liquid-handling platforms; contact MBP's technical team or Zymo Research's automation support for current script availability. For Tecan Fluent or Hamilton STAR, platform-specific script development or adaptation may be required.
DNA/RNA Shield as the Collection Medium
The Quick-DNA/RNA Viral MagBead Kit is designed around DNA/RNA Shield as the sample collection, inactivation, and storage medium. Swabs or other samples stabilized in DNA/RNA Shield load directly into the extraction protocol without additional neutralization steps. For programs using VTM (viral transport medium), UTM, or PBS as collection media, confirm compatibility with the kit's lysis buffer by testing spike-in recovery before adopting at scale.
Carrier RNA Requirement
Unlike the QIAGEN QIAamp Viral RNA Mini Kit, the Quick-DNA/RNA Viral MagBead Kit does not require the user to prepare and add carrier RNA to the lysis buffer - the kit's buffer system is formulated for complete lysis and efficient nucleic acid binding without this step. Eliminating the carrier RNA preparation step reduces per-batch setup time and removes one source of inter-batch variability in high-throughput automated workflows.
Nucleic Acid Size Recovery Range
Confirm the kit recovers the size range needed for your downstream application. The Quick-DNA/RNA Viral MagBead Kit binds nucleic acids from &gt;50 nt to &gt;200 kb - covering small viral RNAs (miRNA-sized fragments from viral genomes), standard RT-qPCR amplicon targets, and full-length viral genomes for metagenomic NGS. Applications requiring recovery of very short fragments (&lt;50 nt) need a kit specifically validated for that range.
Regulatory Requirements
For IVD diagnostic use or regulatory submissions, confirm the kit's current regulatory status. The Quick-DNA/RNA Viral MagBead Kit has been used in EUA workflows; its current authorizations and intended uses may have evolved since initial authorization. Always verify directly with Zymo Research or MBP's regulatory affairs team for current compliance documentation.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
The Quick-DNA/RNA Viral MagBead Kit binds small (&gt;50 nt) and large (&gt;200 kb) DNA and RNA to magnetic beads and elutes high-quality nucleic acids ready for NGS, hybridization-based detection, and RT-qPCR. The kit is used in Zymo Research's SARS-CoV-2 EUA extraction workflow and has been adopted in published multiplex respiratory panel methods and pan-pathogen metagenomics protocols. A published PMC study on integrated DNA and RNA extraction from viral pathogens causing acute respiratory infections demonstrated that magnetic bead-based co-extraction achieved equivalent or superior sensitivity to spin-column formats for both RSV (RNA virus) and adenovirus (DNA virus) from the same nasopharyngeal swab input. Magnetic bead viral co-extraction is the standard format for large public health reference laboratories and clinical metagenomics programs processing 96-1,500+ samples per day across outbreak response and surveillance networks.
&nbsp;
Contact the helpful <a href="https://mbpinc.net/contact-us">team at MBP</a> today to request a quote for your specific research requirements.

HighPrep Viral/Bacterial DNA/RNA Kit

MSDS

Magbio HighPrep Viral-Bacterial DNA & RNA Kit

HighPrep Viral-Bacterial DNA &amp; RNA Kit by MagBio Genomics is a magnetic bead-based co-isolation system for viral and bacterial DNA and RNA from whole blood, serum, plasma, saliva, and nasopharyngeal swabs, running in 23 minutes on the KingFisher Flex platform — available in 5-prep (HVB-DR5), 96-prep (HVB-DR96), and 384-prep (HVB-DR96x4) formats.

HighPrep Viral-Bacterial DNA & RNA Kit (5 preps)

HighPrep Viral-Bacterial DNA & RNA Kit (96 preps)

HighPrep Viral-Bacterial DNA & RNA Kit (384 preps)

HighPrep Viral/Pathogen DNA/RNA Kit

Magbio HighPrep Viral-Pathogen DNA & RNA Kit

MagBio HighPrep Viral-Pathogen DNA & RNA Kit by MagBio Genomics: magnetic bead-based simultaneous extraction of viral, bacterial, and fungal DNA and RNA from blood, plasma, serum, saliva, urine, and swabs. MAG-S1 beads; ~52 min on KingFisher Flex with ready-made script. 96-prep and 384-prep formats. RT-qPCR, PCR, and NGS compatible. Available in 5-prep (HPP-DR5), 96-prep (HPP-DR96), and 384-prep (HPP-DR96x4) sizes.

HighPrep Viral-Pathogen DNA & RNA Kit (5 preps)

HighPrep Viral-Pathogen DNA & RNA Kit (96 preps)

HighPrep Viral-Pathogen DNA & RNA Kit (384 preps)

DNA normalization and Concentration

<h2>What is DNA normalization and concentration for NGS?</h2>
&nbsp;
DNA normalization for NGS is the process of adjusting all individual indexed sequencing libraries to the same molar concentration before pooling them into a single multiplexed sequencing run, so that each library contributes approximately the same number of sequencing reads to the total run output. Concentration may also be needed when a library is too dilute after cleanup or elution. SPRI (solid-phase reversible immobilization) magnetic bead-based cleanup, most commonly using AMPure XP beads, is the standard method for post-library-prep cleanup, size selection, and concentration in NGS workflows.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Magbio MagQuant Plus DNA Kit: for automated, high-throughput nucleic acid concentration and normalization workflows
</li>
</ul>
&nbsp;
<h2>How to normalize and concentrate NGS libraries</h2>
&nbsp;
Quantify each library by qPCR to calculate molar concentration accurately
Kapa Library Quantification qPCR kits or equivalent measure the amplifiable, adapter-ligated molecules in a library, providing a molar concentration based on insert size that can be used to pool libraries at equal molar ratios. Fluorometric quantitation gives mass per volume but not molar concentration, and libraries with different insert sizes have different mass-to-moles conversion factors.
Calculate library molar concentration using measured mass and average insert size
If molar quantitation by qPCR is not available, the molar concentration of a library can be estimated from its fluorometric mass concentration and the average insert size from Bioanalyzer or TapeStation: molar concentration (nM) = (mass in ng/&micro;l &times; 10^6) / (insert size in bp &times; 660 g/mol/bp). This converts mass to moles using the average molecular weight per base pair.
Pool indexed libraries at equal molar ratios for balanced depth
After calculating the molar concentration of each library, pool volumes delivering equal moles of each library into the final pool. Even small quantitation errors translate into coverage imbalances between samples in the sequencing output.
Use SPRI bead cleanup to concentrate libraries and remove adapter dimers
SPRI bead cleanup with AMPure XP beads at the appropriate bead-to-sample ratio selects for DNA fragments above a size cutoff while removing smaller adapter dimers and free adapter molecules. The final elution in a smaller volume of buffer concentrates the library. The bead ratio determines the minimum retained fragment size, with higher ratios retaining smaller fragments.
Verify the pooled library before sequencing
After pooling and final SPRI cleanup, measure the pooled library by qPCR and Bioanalyzer to confirm molar concentration and size distribution before loading, since loading concentration determines cluster density and affects sequencing performance.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
AMPure XP SPRI beads use polyethylene glycol and sodium chloride to precipitate DNA onto paramagnetic beads in a size-dependent manner, making the bead-to-sample volume ratio the key parameter for controlling the minimum retained fragment size. As of 2026, automated bead-based normalization kits that combine quantitation and normalization remain available for high-throughput settings, though most academic labs perform manual quantitation and normalization before pooling.
Browse through the catalog and <a href="https://mbpinc.net/contact-us">contact the expert team</a> to book high-quality DNA normalization and concentration products today.

MagQuant_Plus_DNA Kit V2 - Protocol_REV3

Magbio MagQuant Plus DNA Kit V2

MagQuant Plus DNA Kit V2 by MagBio Genomics is a magnetic bead kit for DNA normalization and quantitation in NGS, amplicon, and genomic DNA workflows — no standard curve, no centrifugation, 25&ndash;50&nbsp;&micro;L elution, 96/384-well compatible. Available in 10 (MQP-50010), 96 (MQP-50096), 384 (MQP-50384), 1,920 (MQP-51920), and 5,000 preps (MQP-55000) from MBP INC.

DNA input

DNA Purity Requirements

Application

Elution Volume

MagQuant Plus DNA Kit V2 (10 Preps)

MagQuant Plus DNA Kit V2 (96 Preps)

MagQuant Plus DNA Kit V2 (384 Preps)

MagQuant Plus DNA Kit V2 (1920 Preps)

MagQuant Plus DNA Kit V2 (5000 Preps)

Magnetic Stirrers

<h2>What Are Laboratory Magnetic Stirrers?</h2>
&nbsp;
A laboratory magnetic stirrer uses a rotating permanent magnet or electromagnet installed below a flat work surface to create a spinning magnetic field above the plate. A PTFE (polytetrafluoroethylene)-coated magnetic stir bar placed inside a vessel couples to this field and rotates, mixing the liquid from within. Because there is no physical contact between the stirrer and the contents of the vessel, the technique is contamination-free, amenable to closed-vessel operation, and compatible with corrosive, biological, and hazardous reagents. Magnetic stirrers are used without heating for buffer and media preparation, titrations, pH measurement, enzyme inhibition assays, hybridization reactions, and dissolution studies. Multi-position magnetic stirrers drive multiple stir bars simultaneously on a single unit, enabling parallel sample processing in analytical laboratories, pharmaceutical quality control, and environmental testing workflows. Use a standalone magnetic stirrer (no heat) when you need uniform mixing without thermal input: titrations, pH measurement, cold-room work, and mixing heat-labile reagents.
&nbsp;
<h2 dir="ltr">What You Will Find:&nbsp;</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Digital hotplate magnetic stirrers offer precise temperature control up to 550&deg;C and dual LED displays, making it easy to monitor both heat and speed at a glance.
</li>
<li dir="ltr" aria-level="1">
High-capacity magnetic stirrers are designed to handle larger volumes with ease, providing the powerful torque needed for consistent mixing in bigger batches.
</li>
<li dir="ltr" aria-level="1">
Compact and ultra-flat stirrers provide a space-saving solution for crowded benchtops, featuring low-profile designs and PET surfaces that are tough and easy to clean.
</li>
<li dir="ltr" aria-level="1">
Multi-channel magnetic stirrers allow you to stir up to 10 samples simultaneously with uniform speed, perfect for boosting your lab&rsquo;s productivity.
</li>
<li dir="ltr" aria-level="1">
Analog and classic stirrers bring reliable, straightforward performance to your workstation with durable stainless steel or ceramic-coated plates that resist wear and tear.
</li>
<li dir="ltr" aria-level="1">
Auto-reverse and timer functions give you professional-level control over your mixing cycles, ensuring your samples get exactly the treatment they need.
</li>
</ul>
&nbsp;
<h2>How to Choose a Magnetic Stirrer</h2>
&nbsp;
Single-position vs. multi-position
Single-position stirrers are the most common format for benchtop chemistry and biology work, accommodating one vessel at a time. Multi-position magnetic stirrers (2, 6, 10, or 15 positions on a single plate) are used for high-throughput applications such as dissolution testing, parallel reaction screening, and environmental sample preparation, where identical mixing conditions across multiple vessels are required simultaneously.
Digital vs. analog control
Analog (dial-control) magnetic stirrers are reliable, low-maintenance, and appropriate when mixing speed precision is not critical. Digital stirrers display speed in rpm, maintain the setpoint with a feedback motor controller, and provide reproducible speed settings session to session, which is important for protocols requiring a specific agitation rate (e.g., OD600 turbidity assays, viscosity studies). Some digital models log rpm and run-time data via USB.
Speed range and stir bar compatibility
Most magnetic stirrers cover 100 to 1500 rpm. Microplate and high-throughput models reach up to 1500 rpm with small stir bars. For large-volume vessels (3 L and above), a lower maximum speed (300 to 500 rpm) with a large stir bar (60 mm to 80 mm) is more appropriate than attempting high speed with an undersized bar. PTFE stir bars are available in lengths from 3 mm (for microcentrifuge tubes) to 80 mm (for large vessels); octagonal, cross-shaped, and egg-shaped bars improve mixing in round-bottom flasks compared to standard cylindrical bars.
Plate size and chemical resistance
Plate dimensions determine the largest vessel the stirrer can stably support. A 135 mm x 135 mm plate accommodates a 1 L beaker; larger plates (200 mm x 200 mm and above) are needed for 3 L to 5 L vessels. PTFE-coated plates or ceramic tops offer the highest chemical resistance for work with acids, bases, and organic solvents. Stainless steel tops provide stronger magnetic coupling for viscous materials.
Cold-room and CO2 incubator use
Magnetic stirrers designed for cold-room use (2 degrees C to 8 degrees C) or for operation inside a CO2 incubator use sealed, humidity-resistant motor housings and are rated for continuous operation under those environmental conditions. Standard benchtop stirrers are not rated for cold-room or high-humidity incubator use; using them in these environments shortens motor life.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Motor type affects long-term reliability: brushless DC motors require no maintenance and last longer than brushed motors, which need periodic brush replacement in continuous-use settings. PTFE stir bars should be replaced when the PTFE coating chips or shows wear; bare metal exposure contaminates the solution and interferes with magnetic coupling. For regulated applications (pharmaceutical QC, ISO 17025 labs), specify a stirrer with a digital speed display and speed accuracy of plus or minus 1 rpm to support protocol documentation requirements. Related equipment:&nbsp;<a href="https://mbpinc.net/equipments/temperature-control-equipment/hotplate-and-stirrers"></a>
&nbsp;
Ready to find the perfect spin for your lab? Browse our magnetic stirrer collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote today.

Magnetic Stirrer, 100-240v, 50/60Hz, with US, UK and EU plugs, 300-2000rpm, Retort stand, PET surface

GSE by Globe Scientific is a 300-2000 rpm magnetic stirrer with analog dial control, PET chemical-resistant surface, brushless DC motor, integrated retort stand with probe clamp, and universal 100-240V input with US, UK, and EU plug adapters included. Max stirring volume approximately 1.5 L. No heating function.

Manufacture

Magnetic Stirrer, Low Profile, 100-240V, 50/60Hz, with US, UK, EU Plugs, 25 to 1500rpm, Auto-Reverse Function, IP65 rating, PET surface

GSF by Globe Scientific is a 15 mm (0.6 in) low-profile magnetic stirrer with universal voltage (100–240 V), included US/UK/EU plug adapters, IP65 ingress protection, chemical-resistant PET surface, and auto-reverse mix mode. cTUVus certified. ISO 9001:2015 manufacturer.

Hotplate & Stirrer

<h2>What Are Laboratory Hotplates and Stirrers?</h2>
&nbsp;
Laboratory hotplates are electrically heated work surfaces used to warm flasks, beakers, and vessels containing reagents, culture media, buffers, and reaction mixtures. Magnetic stirrers use a rotating magnetic field beneath the plate to spin a PTFE-coated stir bar inside the vessel, providing uniform mixing without mechanical contact. Combination hotplate-stirrer units integrate both functions in a single instrument and are the most common format in chemistry, biology, and pharmaceutical labs. Standalone magnetic stirrers (without heating) are used for room-temperature mixing, pH measurement, and buffer preparation. Applications include chemical synthesis and recrystallization, cell culture media preparation, buffer and reagent preparation, dissolution testing, enzyme assays, protein and nucleic acid precipitation, and polymer synthesis. Digital hotplate-stirrers with PID temperature control, external probe inputs for actual solution temperature monitoring, and PTFE-coated ceramic or aluminum plates are the standard in research-grade instruments. Choose a combination hotplate-stirrer for most bench chemistry and biology work; choose a standalone magnetic stirrer for room-temperature mixing where a heating element would be a contamination or safety risk.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/equipments/temperature-control-equipment/hotplate-and-stirrers/magnetic-stirrers" title="Magnetic Stirrers">Magnetic Stirrers</a> provide powerful, quiet rotation using high-quality magnetic bars to ensure your liquids are blended perfectly every time.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/equipments/temperature-control-equipment/hotplate-and-stirrers/hotplate-and-stirrer-accessories" title="Hotplate &amp; Stirrer Accessories">Hotplate &amp; Stirrer Accessories</a> include everything from extra stir bars to external temperature probes, helping you customize your setup for better accuracy.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/equipments/temperature-control-equipment/hotplate-and-stirrers/multi-position-hotplate-stirrers" title="Multi-Position Hotplate Stirrers">Multi-Position Hotplate Stirrers</a> allow you to process several samples at once with uniform heat and speed, making your high-throughput days much more manageable.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/equipments/temperature-control-equipment/hotplate-and-stirrers/overhead-stirrers" title="Overhead Stirrers">Overhead Stirrers</a> deliver the high-torque power needed for thick, high-viscosity liquids that standard magnetic stirrers just can't handle.
</li>
</ul>
&nbsp;
<h2>How to Choose a Lab Hotplate or Stirrer</h2>
&nbsp;
Hotplate-only vs. stirrer-only vs. combination unit
Hotplates without a stirring function are used for applications requiring only controlled heating: drying samples, warming baths, or maintaining solution temperature without agitation. Standalone stirrers (no heating) handle room-temperature mixing, titrations, and sample homogenization without thermal risk. Combination hotplate-stirrers serve both purposes in one instrument and are the standard choice for chemistry and cell biology benches where both heating and mixing are regularly needed.
Plate material: ceramic vs. stainless steel vs. aluminum
Ceramic top plates resist corrosive chemical spills, provide a white surface ideal for titrations and colorimetric work, and withstand temperatures up to 550 degrees C. Stainless steel plates offer stronger magnetic coupling and higher stirring force, preferred for dense suspensions or high-viscosity liquids. Aluminum plates heat and cool faster than ceramic, making them suitable for applications requiring rapid temperature changes. PTFE-coated plates are chemically resistant but limited to lower temperatures.
Temperature range and accuracy
Standard combination units reach 300 degrees C to 380 degrees C on the plate surface. Digital PID-controlled units with an external temperature probe monitor actual solution temperature (not plate temperature) and maintain the solution within plus or minus 1 degree C at setpoint, which is important for temperature-sensitive enzyme reactions, crystallization protocols, and culture media preparation. Analog units without external probes rely on plate surface temperature, which can differ significantly from solution temperature.
Stirring speed and stir bar volume
Stirring speed ranges from 100 rpm for gentle mixing to 1500 rpm for vigorous suspension. Match stir bar size to vessel volume: a 10 mm bar for tubes and small vials, a 25 mm to 40 mm bar for 50 mL to 500 mL beakers, and a 50 mm to 80 mm bar for 1 L to 5 L vessels. Using a stir bar too large for the vessel prevents rotation; too small causes inefficient mixing.
Safety features
For work with flammable solvents, specify an explosion-proof or EX-rated hotplate with enclosed heating elements that do not produce sparks. Digital models with over-temperature alarms and contact temperature sensors on the plate surface prevent runaway heating events. Some models include motor auto-shutoff if the stir bar decouples, reducing the risk of unattended overheating.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Maximum plate temperature (300 to 550 degrees C) is a surface rating; actual solution temperature depends on vessel geometry, fill volume, and heat loss. Use an external temperature probe (PT1000 or thermocouple) inserted into the solution for accurate setpoint control. Plate dimensions (typically 135 mm x 135 mm to 300 mm x 300 mm) determine the vessel sizes the unit can safely support; oversized vessels extending beyond the plate perimeter are unstable. PTFE stir bars should be inspected for wear periodically, as chipped PTFE releases particles into the solution; replace any stir bar showing surface damage.&nbsp;
&nbsp;
Ready to stir things up? Take a look through our hotplate and stirrer collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a friendly quote today.

Hotplate & Stirrers

Magnetic Stirrer, Square, with Custom Labels, 100-240v, 50/60Hz, with US, UK and EU plugs, 300-2000rpm, Retort stand, PET surface

GSE-S by Globe Scientific is a square magnetic stirrer with a 120 × 115 mm chemical-resistant PET surface, operating at 300–2,000 rpm via a brushless DC motor at just 7.2 W total power. The unit weighs 0.3 kg (150 × 144 × 54 mm), runs virtually silently, accepts 100–240V with US, UK, and EU plugs included, and ships with a retort stand and four interchangeable custom-label overlays. Maximum stirring capacity is 1.5 L (water), with a 2-year warranty.

Working area

Maximum volume

Maximum magnetic bar length

Motor Output Power

Motor Type

Speed Range

Spill Protection

Voltage

Power

Dimensions (WxDxH)

Weight

Operating Temperature

Permissible Relative Humidity

Warranty

<h2 data-section-id="1h8mvlk" data-start="0" data-end="45">What are primary cell culture medium kits?</h2>
&nbsp;
Primary cell culture medium kits are complete, ready-to-prepare culture systems that combine a cell-type-specific basal medium with the supplements required for optimal growth and maintenance of primary cells. Unlike purchasing media, serum, growth factors, and antibiotics separately, these kits provide all components in validated proportions, ensuring that the medium performs as intended for a specific primary cell type.
A typical kit includes a basal medium, a cell-specific growth supplement, an antibiotic component where appropriate, and fetal bovine serum (FBS) or an equivalent supplement when required. The components are designed to be combined directly according to the manufacturer's instructions, reducing preparation errors and improving consistency between experiments.
&nbsp;
<h2 data-path-to-node="5">What you will find:</h2>
&nbsp;
<ul data-path-to-node="6">
<li style="font-family: arial, helvetica, sans-serif;">
Tissue-specific primary cell culture medium kits
</li>
<li style="font-family: arial, helvetica, sans-serif;">
Specialized growth media for endothelial and epithelial cells
</li>
<li style="font-family: arial, helvetica, sans-serif;">
Workflow systems for thawing, plating, and maintenance of hepatocytes&nbsp;
</li>
<li style="font-family: arial, helvetica, sans-serif;">
Differentiation media for progenitor and stem cells&nbsp;
</li>
<li style="font-family: arial, helvetica, sans-serif;">
Serum-free bioprocessing and cryopreservation reagents
</li>
<li style="font-family: arial, helvetica, sans-serif;">
Targeted fibroblast, smooth muscle, and myocyte growth kits
</li>
</ul>
&nbsp;
<h2 data-section-id="1nip7jz" data-start="1066" data-end="1116">How to choose a primary cell culture medium kit</h2>
&nbsp;
Match the kit to the cell type
Primary cells have highly specialized nutritional and signaling requirements. Kits are available for endothelial cells, hepatocytes, astrocytes, epithelial cells, fibroblasts, stem cells, and many other cell types. Selecting a kit specifically designed for the target cell type is essential for maintaining normal cellular function and morphology.
Serum-containing vs. serum-free formulations
Traditional kits often include FBS as a source of growth factors and nutrients. Serum-free and xeno-free kits replace animal-derived components with defined supplements, reducing variability and supporting applications that require animal-component-free culture conditions.
Complete kit convenience
Most kits provide all major components needed to prepare complete culture medium. This eliminates the need to source multiple reagents individually and helps ensure that supplements are used at the correct concentrations.
Antibiotic inclusion
Many primary cell culture kits include antibiotics to reduce contamination risk during routine culture. However, some specialized formulations, particularly those designed for immune cells and mononuclear cells, are intentionally supplied without antibiotics because these additives can influence cellular responses and experimental outcomes.
Storage and preparation
Kit components are typically stored separately until needed. Basal media and supplements are usually refrigerated, while serum components may require frozen storage before use. Once mixed into complete medium, shelf life is generally shorter than that of the individual components, making it advisable to prepare only the amount needed for near-term use.
Specialized differentiation systems
Some kits are designed not only for maintenance but also for cellular differentiation. These systems may include multiple supplements added sequentially throughout a protocol to guide stem cells or progenitor cells through defined developmental stages.
<h2 data-section-id="dydsco" data-start="3131" data-end="3173">&nbsp;</h2>
<h2 data-section-id="1fljvas" data-start="4061" data-end="4086">Specifications context</h2>
&nbsp;
Primary cell culture medium kits are commonly supplied in a format consisting of a basal medium bottle accompanied by concentrated supplements and serum components that are added directly before use. This approach simplifies preparation while ensuring that all components have been optimized and tested together.
<a href="https://mbpinc.net/contact-us" title="Contact the expert team at MBP">Contact the expert team at MBP</a> today and get optimized primary cell culture medium kits for your lab.

Primary Cell Culture Medium kits

Flyer

Mammary Epithelial Medium Kit

Mammary Epithelial Medium Kit (TM043) by Applied Biological Materials — 500 mL Basal Medium with antibiotic-free Supplement Mix. Low-serum, growth factor-supplemented formulation for mammary epithelial cell culture. QC-tested for sterility, pH, endotoxin, and cell performance. 30-day shelf life post-preparation.

Unit Quantity

Sterility

Appearance

Storage Condition

Disclaimer

Shipping Condition

Pipette Controller

<h2 dir="ltr"> What Are Pipette Controllers?</h2>
 A pipette controller (also called a pipetting aid, motorised pipette filler, or pipette boy) is a battery-operated instrument that accepts and drives 1&ndash;100 mL glass or plastic serological pipettes, replacing the rubber bulb, Pi-pump, and manual mouth-pipetting techniques. A motorised rotating wheel or roller generates controlled airflow to aspirate and dispense liquid at variable speeds; a hydrophobic 0.2 &micro;m inline filter prevents liquid and aerosol from reaching the motor. Controllers accept all standard serological pipette diameters (1 mL to 100 mL) through a silicone or rubber cone adapter. They are the standard dispensing tool for media preparation, cell culture reagent transfer, serial dilutions in large volumes, and reagent bottle-to-flask transfers. The disposable consumables used in the instrument. A pipette controller is required for safe, ergonomic use of serological pipettes in any volume from 1 mL to 100 mL &mdash; the rubber bulb is not a recommended alternative.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Electronic pipette controllers for precise liquid control
</li>
<li dir="ltr" aria-level="1">
Manual pipette controllers for routine laboratory use
</li>
<li dir="ltr" aria-level="1">
Lightweight ergonomic pipette controllers
</li>
<li dir="ltr" aria-level="1">
Adjustable speed pipette controllers for controlled dispensing
</li>
<li dir="ltr" aria-level="1">
Controllers compatible with glass and plastic serological pipettes
</li>
<li dir="ltr" aria-level="1">
Sterile-use pipette controllers for sensitive applications
</li>
<li dir="ltr" aria-level="1">
High-precision aspirating controllers for accurate volume handling
</li>
</ul>
<h2 dir="ltr"> How to Choose a Pipette Controller</h2>
 Power Source: Battery vs Rechargeable vs Mains Battery-powered controllers (AA or rechargeable internal battery) provide cordless flexibility across the bench and BSC. Rechargeable lithium-ion controllers offer 8&ndash;10 hours of continuous use per charge and charge from a base stand. Mains-powered controllers provide continuous operation without charge interruption &mdash; preferred in high-throughput cell culture facilities. Speed Control Two-speed controllers offer slow (for precise fill) and fast (for rapid dispense) modes. Variable-speed controllers with a continuous-pressure or stepless trigger allow fine-tuned flow rate adjustment for viscous media, delicate cell suspensions, or filling against gravity into narrow-neck vessels. Filter: Inline 0.2 &micro;m Hydrophobic Filter A 0.2 &micro;m hydrophobic inline filter is the critical protection component &mdash; it prevents liquid from entering the motor during accidental over-aspiration. Filters should be replaced when liquid reaches the filter or when flow resistance increases noticeably; replacement filters are sold separately for most models. Universal Cone Compatibility Confirm the controller's cone adapter accepts your pipette brand's tip diameter. Most controllers use a silicone or rubber cone that accommodates 1&ndash;100 mL serological pipettes from Falcon, Globe Scientific, and Nest Scientific without adapters. Autoclavability Controllers intended for BSC and sterile cell culture use should have an autoclavable cone, nose piece, and filter assembly. They have autoclavable lower sections; the battery/electronic module is not autoclavable. 
<h2 dir="ltr"> Specifications Context</h2>
 Standard pipette controllers accept serological pipette diameters from 1 mL (narrow shaft) through 50 mL and 100 mL (wide-body). Replacement 0.2 &micro;m hydrophobic filters are sold in packs; filter replacement interval is typically every 6&ndash;12 months or immediately after liquid ingress. It has a runtime of approximately 8 hours per charge on a single lithium-ion battery.&nbsp; 
&nbsp;
Control your workflow with ease&mdash;designed for smooth aspiration, consistent dispensing, and dependable performance at every step. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Contact the MBP Team now.</a>

Manual Serological Pipette Controllers

The Manual Serological Pipette Controllers by Globe Scientific are 3-valve squeeze-bulb controllers for 1–100 mL serological pipettes, with 3.0 µm aspiration filter. Available in Blue (3375B), Green (3375G), Light Blue (3375LB), Red (3375R), and Yellow (3375Y). Replacement filter: 3375-FIL.

Pipette, Manual Serological Pipette Controller, Blue

Pipette, Manual Serological Pipette Controller, Green

Pipette, Manual Serological Pipette Controller, Light Blue

Pipette, Manual Serological Pipette Controller, Red

Pipette, Manual Serological Pipette Controller, Yellow

Filter, 3.0um, for # 3375 Manual Serological Pipette Controllers

<h2 data-section-id="185nm5c" data-start="0" data-end="38">What is classic cell culture media?</h2>
&nbsp;
Classic cell culture media refers to the foundational basal medium formulations that have underpinned mammalian cell culture for decades, including DMEM (Dulbecco's Modified Eagle Medium), MEM (Minimum Essential Medium), RPMI 1640, Ham's F-10, Ham's F-12, IMDM (Iscove's Modified Dulbecco's Medium), and DMEM/F-12. These media provide the amino acids, vitamins, glucose, salts, buffering agents, and other nutrients required to support cell survival and growth in vitro. They form the basis of many modern specialized, serum-free, and advanced media formulations used in academic research, biotechnology, pharmaceutical development, and biomanufacturing.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
&nbsp;Availability of both low and high carbohydrate levels of balanced basal formulations for the distinct metabolic requirements of diverse mammalian cell lines.
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Maintenance of precise physiological pH during long-term incubation cycles using optimized buffering configurations with integrated chemical stabilizers&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Nutrient-dense cell media supplemented with vitamins and essential amino acids to support&nbsp; hybridomas and rapidly proliferating continuous cultures
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Optimized serum reduction along with enhanced cell attachment using&nbsp;Multi-purpose 1:1 formulation hybrids&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Salt solutions supplemented with essential minerals to facilitate enzyme preparation, cell washing, and reliable short-term osmotic maintenance.
</li>
</ul>
&nbsp;
<h2 data-section-id="1blio5n" data-start="931" data-end="964">How to choose a classic medium</h2>
&nbsp;
DMEM vs MEM
DMEM contains up to four times the amino acids and vitamins found in MEM, along with higher glucose concentrations, making it suitable for cell types with elevated nutrient demands. It is widely used for primary cells, stem cells, and many transformed mammalian cell lines. MEM, based on the original Eagle's formulation, remains a common choice for standard monolayer culture and is available with different salt formulations to support various applications.
RPMI 1640 for suspension and hematopoietic culture
RPMI 1640 was originally developed for culturing human leukemic cells and remains the preferred medium for lymphocytes, hybridomas, and other hematopoietic cell types. Its formulation includes glutathione and elevated levels of biotin, vitamin B12, and PABA. Although designed for suspension cultures, RPMI 1640 also supports a wide range of adherent cell lines when appropriately supplemented.
Ham's F-10/F-12 for CHO and specialized applications
Ham's nutrient mixtures were developed for CHO cells and other specialized cell types. Their formulations include additional nutrients such as zinc, putrescine, hypoxanthine, and thymidine, making them useful for hepatocyte culture, toxicity testing, viral fusion studies, and other specialized applications. These media can be used with or without serum depending on the experimental requirements.
DMEM/F-12 for complex, rich-medium applications
DMEM/F-12 combines the nutrient-rich composition of DMEM with the specialized components found in Ham's F-12. The resulting formulation supports demanding cell types including MDCK cells, glial cells, fibroblasts, and endothelial cells. It is also widely used as the foundation for many serum-free and advanced culture systems.
IMDM for high-density rapid proliferation
IMDM is an enriched derivative of DMEM that contains additional amino acids, vitamins, HEPES buffer, sodium pyruvate, and potassium nitrate. Its enhanced nutrient profile makes it particularly suitable for rapidly proliferating and high-density cultures such as Jurkat cells, COS-7 cells, and macrophages.
Liquid vs powder format
Liquid classic media are supplied ready for use after the addition of serum and required supplements. Powdered media offer lower shipping costs and greater flexibility for high-volume laboratories but require reconstitution, sodium bicarbonate addition, and sterile filtration before use.
&nbsp;
<h2 data-section-id="1fljvas" data-start="4382" data-end="4407">Specifications context</h2>
&nbsp;
Classic media are manufactured according to their original published formulations, with only stability-related modifications where necessary. Most liquid formulations contain sodium bicarbonate as the primary buffering system and require incubation in a 5&ndash;10% CO₂ atmosphere to maintain physiological pH. Powdered formulations require reconstitution, sodium bicarbonate supplementation, and sterile filtration before use.
As of 2026, DMEM, DMEM/F-12, and RPMI 1640 remain the most widely used classic cell culture media across academic, biotechnology, pharmaceutical, and biomanufacturing laboratories. IMDM continues to gain popularity for high-density culture and bioprocessing applications.
For recombinant growth factors and cytokines used alongside classic media, see Recombinant Proteins. For supplementation reagents such as GlutaMAX, NEAA, sodium pyruvate, and HEPES, see Cell Culture Supplements &amp; Additives. Browse Mammalian Cell Culture for the broader category.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today and get optimized classic media for your lab.

Classic Media

McCoy’s 5A  Medium

McCoy's 5A Medium (TM506) by Applied Biological Materials is a 500 ml sterile basal medium (osmolarity 270–330 mOsm/kg) containing L-glutamine, sodium bicarbonate (2.2 g/L), and phenol red — without HEPES or sodium pyruvate — for primary cultures from adrenal, bone marrow, lung, kidney, and other tissues. Supplement with 10% FBS; requires 5–10% CO₂. Store at 2–8°C, protected from light.

Caution

<h2 dir="ltr">What are specimen collection swabs?</h2>
 Specimen collection swabs are sterile, single-use devices with a fiber tip on a plastic or wire shaft, used to acquire material from a patient's nasopharynx, anterior nares, oropharynx, wound, skin, or environment for diagnostic testing or microbial culture. Modern flocked swabs replace yards of wrapped fiber with perpendicular nylon or polyester fibers attached to the applicator, giving roughly 97 % specimen release on vortex versus about 33 % for traditional rayon or polyester. Buy from this category whenever specimen acquisition feeds a downstream culture or PCR &mdash; the swab determines whether the assay sees the analyte at all. 
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Sterile flocked swabs for high-efficiency sample collection and release</li>
<li dir="ltr" role="presentation">Polyester and rayon swabs for general microbiology sampling</li>
<li dir="ltr" role="presentation">Nylon flocked nasopharyngeal and/or oropharyngeal swabs</li>
<li dir="ltr" role="presentation">Dry swabs for direct plating or molecular testing workflows</li>
<li dir="ltr" role="presentation">Swabs with transport tubes for stabilized sample transfer</li>
<li dir="ltr" role="presentation">Breakpoint swabs for easy release into collection vials</li>
</ul>
<h2 dir="ltr"> How to choose specimen collection swabs</h2>
&nbsp;
Match the collection site Nasopharyngeal swabs use long flexible shafts (~150 mm) and small flocked or molded tips designed to reach the posterior nasopharynx. Anterior nares swabs are shorter and gentler. Oropharyngeal and wound swabs come in foam or flocked variants depending on the target organism.
Choose tip material for the assay Flocked nylon or polyester is the default for respiratory virus PCR. Cotton, calcium alginate, and wood-shafted swabs are excluded by CDC guidance because cotton contains PCR-inhibitory fatty acids and calcium alginate inhibits PCR directly. Foam suits some bacterial cultures and rapid antigen tests.
Verify the breakpoint and the shaft A predetermined breakpoint at a defined distance from the tip (commonly 100&ndash;101 mm for nasopharyngeal swabs) lets the operator snap the shaft into the transport tube; shafts should be plastic or wire, never wood.
Confirm sterility and FDA listing Single-use sterile peel pouches are the clinical standard. Swabs are FDA Class I exempt devices; verify the manufacturer's FDA registration and listing on the certificate of conformity.
<h2 dir="ltr"> Specifications context</h2>
 Diagnostic swabs are characterized by tip material, shaft material, total length, breakpoint distance, and sterility status. Nasopharyngeal flocked swabs commonly measure about 150 mm overall with a breakpoint near 100 mm and a flexible plastic shaft; the MedSchenker CavSwab uses Allium&trade; flock technology on a 153 mm shaft with a 101.3 mm breakpoint. Specimen release ranges from roughly 33 % for traditional rayon/polyester up to about 97 % for flocked nylon. As of 2026, these sit in a low-to-mid price tier per swab and are typically sold in case quantities of 100 or 500.&nbsp; 
&nbsp;
For swab selection, material compatibility, and sample collection formats,<a href="https://mbpinc.net/contact-us"> the MBP team&nbsp;</a>can guide you to the most suitable option based on your testing method and workflow setup.

Swabs

MedSchenker Nasal Swab

AC1100 CavSwab™ by MedSchenker is an Allium™ nylon-flocked nasopharyngeal swab — 153 mm total, 101.3 mm breakpoint, 100% medical-grade polypropylene shaft, electron-beam sterile, FDA listed, individually packaged.

Package

Inner box

Length

Breakpoint

Shelf life

<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;
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today and get high-precision One-Step RT-PCR Kits for your lab.

One-Step RT-PCR Kits

DataSheet

PCR Product Guide

MegaFi One-Step RT-PCR Kit

G597 by Applied Biological Materials is the MegaFi&trade; Pro One-Step RT-PCR Kit (100 rxn) — single-tube RT + PCR with OneScript&reg; Hot RT (thermostable, 50–80°C cDNA synthesis), MegaFi&trade; Pro Fidelity Polymerase (&gt;2000X lower error than Taq), and RNaseOFF Inhibitor. 2X Buffer includes gel loading dye. ISO 13485:2016 MDSAP Certified. Store at &minus;20°C.

United States

Texas

mbpinc