Brands

<h2>What are RNA tracking dyes?</h2>
&nbsp;
RNA tracking dyes are cell-permeant, fluorogenic nucleic acid stains that selectively bind RNA over DNA, remaining virtually nonfluorescent in the unbound state and lighting up brightly once bound to RNA, which gives a clean, low-background signal for live-cell imaging. The best-characterized commercial example binds RNA with absorption and emission maxima around 490/530 nm and only weak signal when bound to DNA, validated by RNase and DNase removal experiments showing that RNase treatment eliminates nucleolar and cytoplasmic labeling while DNase treatment does not.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Biotinylated Fluorophores: High-affinity markers such as TO1, TO3, and YO3-3PEG-Biotin, engineered for robust labeling and permanent capture of RNA molecules in various structural and functional assays.
</li>
<li dir="ltr" aria-level="1">
Desthiobiotin Modifications: Specialized tools like the TO1-3PEG-Desthiobiotin Fluorophore (G7956) that allow for reversible binding and gentle elution, making them ideal for enrichment workflows where maintaining the native state of the RNA is critical.
</li>
</ul>
&nbsp;
<h2>How to choose RNA tracking dyes</h2>
&nbsp;
Confirm the dye is genuinely RNA-selective rather than a general nucleic acid stain
A true RNA-selective dye shows bright fluorescence when bound to RNA but only weak signal when bound to DNA, a distinction worth confirming against published spectral and RNase/DNase validation data before committing to a specific dye for an RNA-specific application.
Match the dye to your specific RNA visualization goal
Different dyes in a related family vary in their subcellular binding behavior, with some binding cytoplasmic RNA specifically, useful for tracking RNA granule transport in living neurons, while others are optimized for general nucleolar and cytoplasmic RNA staining.
Plan your fixation method around the dye's stated compatibility
Methanol fixation after staining generally preserves an RNA tracking dye's staining pattern with minimal loss, while formaldehyde fixation can alter the staining pattern, a distinction worth confirming before choosing a fixation protocol for downstream analysis.
Consider a dye sampler kit when working with an unfamiliar cell or tissue type
Dye staining behavior can vary across different cell and tissue types, so a sampler kit containing several related dyes lets you empirically determine which performs best for your specific sample before committing to a single dye for a full study.
Confirm buffer compatibility for the staining solution
RNA tracking dyes are generally compatible with standard physiological buffers in the pH 7.0&ndash;8.0 range, including PBS, for preparing the staining solution used in live-cell experiments.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
RNA tracking dyes have been used to stain RNA cargo in exosomes in both live-cell samples and isolated exosome preparations, and to differentiate apoptotic from non-apoptotic cells when paired with other viability indicators, reflecting the breadth of live-cell RNA applications beyond simple visualization. As of 2026, newer experimental small-molecule RNA dyes reporting higher fluorogenic enhancement and improved photostability have been described in the academic literature as potential alternatives to the long-standing commercial standard, though these remain research-stage rather than established catalog items.
Visualize your transcripts with precision&mdash;<a href="https://mbpinc.net/contact-us">contact the MBP team</a> today for a quote on our professional RNA tracking solutions.

RNA Tracking dyes

DataSheet

MSDS

RNA Mango Insertion Guidelines

TO3-3PEG-Biotin Fluorophore

Unit Quantity

Storage Condition

Depositor

Shipping condition

<h2>What is Chemicals as a reagent category?</h2>
&nbsp;
Chemicals covers the broad range of chemical and biochemical reagents used across molecular biology, cell biology, biochemistry, and general laboratory work: biochemically relevant compounds like vitamins, buffer salts, amino acids, and enzyme substrates; general laboratory chemicals including solvents, acids, bases, and inorganic salts; and research-grade specialty chemicals for specific applications. Unlike application-specific categories such as Epigenetics or Electrophoresis, which organize reagents by research workflow, Chemicals organizes by the nature of the material itself.
&nbsp;
<h2 dir="ltr">What you'll Discover:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/chemicals/biochemical-reagents" title="Biochemical Reagents:">Biochemical Reagents:</a> High-quality metabolic inducers such as IPTG (G116), L-Arabinose (A2001-ZYM), and Cumate (CH065), along with essential buffers and enzyme stabilizers like TRIS (CH059), DTT (G025), and PMSF (G034).
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/chemicals/inorganic-reagents-and-compounds" title="Inorganic Reagents &amp; Compounds:">Inorganic Reagents &amp; Compounds:</a> Ultra-pure essential chemical substances like Sodium Azide (CH052) designed for accurate laboratory buffer enhancement and sample conservation methodologies.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/chemicals/detergents-and-surfactants" title="Detergents &amp; Surfactants:">Detergents &amp; Surfactants:</a> Enhanced cell lysis and denaturing agents featuring 20% SDS (CH100) and concentrated 10X Tris-Glycine-SDS Buffer (CH125) for protein electrophoresis setup.
</li>
</ul>
&nbsp;
<h2>How to navigate Chemicals</h2>
&nbsp;
Start with Biochemical Reagents for biologically relevant compounds
Biochemical Reagents covers the subset of the catalog most relevant to molecular and cell biology workflows: vitamins and cofactors, buffer salts and ready-to-use buffer solutions, amino acids, and other compounds with specific roles in biological systems.
Check purity grade requirements before ordering a research chemical
Research-grade chemicals vary in purity from technical grade to ACS-certified, HPLC-grade, and molecular biology grade, with the appropriate grade depending on how the chemical is used; cell culture and enzymatic applications generally require higher purity than non-biological analytical or general lab use.
Confirm whether your chemical needs are better served by a specialty category
Some research chemicals belong more naturally in application-specific sections of the catalog, such as chromatin immunoprecipitation buffers in Epigenetics or gel running buffers in Electrophoresis, while general-purpose chemicals and biochemical reagents not tied to a single workflow type belong in this Chemicals branch.
Consider bulk ordering for high-consumption research chemicals
Common research chemicals like buffer salts, solvents, and vitamins are used in large quantities by active research labs, and bulk pricing can represent meaningful savings on frequently replenished reagents.
Look for certificates of analysis when accuracy matters for your application
Quantitative applications, including analytical standards, enzyme kinetics studies, and defined cell culture supplementation, require chemicals with documented lot-specific purity and concentration, typically confirmed by certificate of analysis provided with each lot.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Research-grade purity designations for laboratory chemicals follow widely adopted convention systems including ACS grade (meets American Chemical Society purity specifications), HPLC grade (verified purity for chromatographic applications), and molecular biology grade (certified free from nuclease, protease, and other activities that would interfere with molecular biology applications). As of 2026, pre-made, ready-to-use solutions for common biochemical reagents like PBS, HEPES buffer, and Tris-HCl continue to see growing adoption over powder or concentrated formats in labs prioritizing convenience and reproducibility over reagent cost per use.
<a href="https://mbpinc.net/contact-us">Reach out to the friendly team at MBP</a> now to get a quote for your particular research needs.

Chemicals

TRIS

Guarantee

Sample Vial

<h2 dir="ltr">What are UTM Tubes?</h2>
 Universal Transport Medium (UTM) tubes are pre-filled collection and transport systems containing Hanks' Balanced Salt Solution (HBSS) enriched with proteins, a pH indicator, and antibiotics that maintain the viability of viruses, Chlamydia, Mycoplasma, and Ureaplasma for 48 hours at room or refrigerated temperature. They are used in molecular diagnostics, viral culture, antigen detection, and NAAT-based workflows for respiratory, genital, and other clinical specimens. The Copan UTM&reg; (catalog 360C and related) is FDA-cleared and is cited in CDC guidelines as an acceptable transport system for SARS-CoV-2 specimens. Choose UTM tubes over plain saline when the specimen requires extended ambient-temperature stability, viral viability for culture, or compatibility with automated molecular diagnostic platforms validated for UTM matrix.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Pre-filled UTM tubes for viral and microbial specimen transport</li>
<li dir="ltr" role="presentation">Swab-integrated collection systems for respiratory sampling</li>
<li dir="ltr" role="presentation">3 mL and 5 mL Universal Transport Medium tube formats</li>
<li dir="ltr" role="presentation">Sterile screw-cap tubes for secure clinical handling</li>
<li dir="ltr" role="presentation">Buffered transport medium for pathogen stabilization</li>
<li dir="ltr" role="presentation">Nasopharyngeal and/or oropharyngeal compatible sampling systems</li>
</ul>
<h2 dir="ltr"> How to Choose UTM Tubes</h2>
 Standard Tube vs. Round-Bottom (UTM-RT) Standard UTM tubes (12 &times; 80 mm, red cap, 3 mL) require swab removal and possible aliquoting before loading onto automated analyzers. The UTM-RT&reg; Round Bottom Tube is engineered for direct loading onto Roche cobas&reg; 5800/6800/8800 platforms without aliquoting or swab removal, saving processing steps in high-volume clinical labs. Choose UTM-RT if your laboratory runs cobas instrumentation at scale.
With or Without Swab Bulk media tubes (tube-only format) suit labs that stock their own swab type. Kit configurations pair UTM tubes with Copan FLOQSwabs&reg; (flocked nylon), which provide 10&ndash;100&times; greater cell elution than rayon or Dacron swabs, directly impacting the sensitivity of downstream NAAT and antigen tests. For nasopharyngeal specimens, the minitip FLOQSwab + UTM combination is the standard validated pairing.
Volume: 1 mL vs. 3 mL Fill A 1 mL fill is used when a higher specimen concentration is needed for sensitive assays or limited-volume extraction protocols. A 3 mL fill is the standard for most NAAT platforms. Using a 1 mL tube on a platform calibrated for 3 mL inputs may cause out-of-range results; always confirm volume requirements with your assay's instructions for use.
Bead Inclusion UTM tubes with 3 glass beads facilitate the release and dispersion of patient material from the swab tip during vortexing, improving homogeneity before aliquoting. For platforms that recommend homogenization (e.g., high-mucosity respiratory specimens), bead-containing UTM is preferred.
Regulatory Status For clinical diagnostic use, confirm that your specific UTM tube carries FDA 510(k) clearance. Copan UTM&reg; (K910043 and subsequent clearances) is FDA-cleared for collection, transport, preservation, and long-term freeze storage of clinical specimens and complies with CLSI M40-A2 standards. Verify product-specific regulatory status before deploying in clinical settings.
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
 UTM contains HBSS supplemented with bovine serum albumin (BSA), sucrose, gentamicin, amphotericin B, and a phenol-red pH indicator. The antibiotic-antimycotic formulation inhibits bacterial and fungal overgrowth without affecting viral, Chlamydial, or Mycoplasmal viability. At ambient temperature (15&ndash;25 &deg;C) or 2&ndash;8 &deg;C, UTM maintains organism viability for 48 hours. For long-term storage of viral isolates, specimens can be frozen at &minus;70 &deg;C or colder; storage at &minus;20 &deg;C is specifically discouraged by Copan because it can result in loss of viral infectivity. UTM-RT has received CE-IVDR compliance marking. As of 2026, Copan UTM&reg; is carried by MBP and is a registered catalog item for institutional procurement customers.
 MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center. Direct PO ordering and bulk pricing available.&nbsp;<a href="https://mbpinc.net/contact-us">Contact MBP</a> &mdash;they&rsquo;ll help you sort out the right UTM setup without second-guessing.

UTM Tubes

Safety Data Sheet

Brochure

UTM® Medium and Swab Products

TUBES OF 3 ML UTM® UNIVERSAL TRANSPORT MEDIUM

COPAN UTM® 3C047N provides 3 mL of UTM-RT® Universal Transport Medium in 16×100 mm red-cap bulk tubes (300 tubes/case), without swab or beads, for viral NAAT testing including SARS-CoV-2, influenza, RSV, Chlamydia, Mycoplasma, and Ureaplasma. IVD-classified, EtO-sterilised. Available from MBP Inc.

Manufacturer

<h2>What Are Laboratory Aspirators?</h2>
&nbsp;
Laboratory aspirators are compact vacuum systems designed to remove liquids from cell culture vessels, microplates, centrifuge tubes, and other laboratory containers without manual pipetting. These systems typically consist of an oil-free vacuum pump, adjustable pressure controls, a collection bottle, overflow protection mechanisms, replaceable filters, tubing, and handheld aspiration tools. Laboratory aspirators are widely used for cell culture media removal, supernatant aspiration, and washing procedures in applications such as ELISA, immunoassays, and general laboratory workflows.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/equipments/automated-liquid-handling/laboratory-aspirator"> Laboratory Aspirator: </a> Innovative systems like tabletop vacuum models and the Aspire&trade; model designed for routine waste handling, liquid removal, and cleanup of benchtop samples.</li>
<li><a href="https://mbpinc.net/equipments/automated-liquid-handling/laboratory-aspirator/laboratory-aspirator-accessories"> Laboratory Aspirator Accessories: </a> Adapters (single and multi-channel), silicone tubing, hydrophobic filters, handheld controllers, and collection bottles for suction setup optimization.</li>
</ul>
&nbsp;
<h2>How to Choose a Laboratory Aspirator</h2>
&nbsp;
Vacuum Pressure Range and Adjustability Choose a system with adjustable vacuum settings that match your applications. Lower vacuum levels are suitable for delicate cell culture work, while higher settings support rapid liquid removal from tubes, flasks, and larger vessels.
Collection Bottle Capacity Collection bottle size influences how frequently waste must be emptied during operation. Standard capacities are suitable for most workflows, while larger bottles support high-throughput or extended use.
Overflow Protection Features Reliable overflow protection prevents liquid from reaching the vacuum pump and ensures safe handling of biological materials.
Handpiece and Tip Compatibility Ensure the handpiece supports pipette tips, Pasteur pipettes, and required adapters for your workflow.
Noise Levels and Biosafety Cabinet Compatibility Compact, quiet systems are suitable for use in or near biosafety cabinets without disrupting airflow or workspace access.
Autoclavable Components Check which parts are autoclavable to simplify sterilization and maintain laboratory hygiene standards.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Modern laboratory aspirators typically include oil-free pumps, adjustable vacuum controls, overflow protection systems, and replaceable hydrophobic filters for safe and efficient liquid removal.
Proper maintenance, including filter replacement and tubing inspection, helps maintain performance and extends equipment lifespan. Laboratory aspirators remain essential tools in research, clinical, and biotechnology laboratories.
Your hunt for a laboratory aspirator is over. <a href="https://mbpinc.net/contact-us">Reach out to the expert team</a> at Molecular Biology Products Inc. (MBP) today for a personalized quote.

Laboratory Aspirator

Tabletop Vacuum Aspirator System

General Information

Max Neg. Pressure

Neg. Pressure Regulation

Max. Evacuation Speed

Capacity

Dimensions (w x d x h)

Electrical Requirement

Tape Dispenser

<h2 data-section-id="bfmftj" data-start="263" data-end="302">What Are Laboratory Tape Dispensers?</h2>
&nbsp;
Laboratory tape dispensers are bench-top or hand-held holders engineered to feed and cut lab labeling tape cleanly, allowing single-handed tape application during tube, rack, vial, bottle, and equipment labeling. Unlike generic desktop tape dispensers, lab tape dispensers accommodate the roll widths (0.5&ndash;1 inch) and core diameters (1 inch) used by standard lab labeling tape, and many include a serrated metal cutting edge for clean, straight cuts without scissors. Reducing two-handed tape handling lowers the risk of tape-roll contamination in sterile or BSL-2 environments. A tape dispenser is a minor capital purchase that pays back in reduced waste and faster labeling throughput in any lab processing more than 50 tubes or samples per session.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Multi-roll dispensers for organized color-coding tasks.
</li>
<li dir="ltr" aria-level="1">
Weighted benchtop dispensers to prevent sliding during use.
</li>
<li dir="ltr" aria-level="1">
Wall-mounted tape stations to save limited workspace.
</li>
<li dir="ltr" aria-level="1">
Stainless steel dispensers for easy sterilization and durability.
</li>
<li dir="ltr" aria-level="1">
Large core dispensers for high-volume industrial labeling tapes.
</li>
<li dir="ltr" aria-level="1">
Handheld dispensers for portable sample tracking.
</li>
</ul>
&nbsp;
<h2 data-section-id="9se0ls" data-start="1061" data-end="1105">How to Choose a Laboratory Tape Dispenser</h2>
&nbsp;
Tape Width Compatibility
Dispensers are selected based on tape width requirements. Most lab workflows use 0.5-inch (12 mm), 0.75-inch (19 mm), or 1-inch (25 mm) labeling tape. Some dispensers support multiple widths, while others are fixed to a single width. Multi-width models offer flexibility, whereas single-width dispensers typically have a smaller footprint on the bench.
Roll Core Diameter
Standard laboratory tape rolls use a 1-inch (25 mm) inner core. Dispensers are designed around this standard so the roll rotates smoothly without slipping or excess movement. Heavy-duty industrial variants may support larger 3-inch cores, but most lab environments rely on the 1-inch standard.
Cutting Mechanism
Cutting performance depends on the blade design. Serrated metal cutting edges provide clean, straight cuts, especially useful for tight labels on small tubes. Plastic serrated edges are less sharp and may cause uneven tearing, particularly with stronger materials like polyester or vinyl. For autoclave tape and thicker adhesive materials, metal cutting edges are preferred for consistent results.
Base Stability
Stable base design is important for one-handed operation. Weighted or rubber-bottom dispensers stay fixed on the bench during use, allowing smooth tape pulling. Lightweight plastic models may slide on smooth surfaces and often require two hands, reducing efficiency.
Material and Cleanability
Metal dispensers made from stainless steel or anodized aluminum are more durable and can withstand repeated cleaning with ethanol or disinfectants. Plastic dispensers are acceptable for general use but may degrade or develop surface damage with repeated solvent exposure.
&nbsp;
<h2 data-section-id="1jl751w" data-start="2829" data-end="2854">Specifications Context</h2>
&nbsp;
Standard laboratory tape dispensers are designed with compact bench dimensions of approximately 100&ndash;140 mm in length and 80&ndash;100 mm in height, with a typical weight of 200&ndash;400 g to ensure stability during use. They are engineered to fit 1-inch (25 mm) core tape rolls, which should rotate freely without wobbling or resistance. As of 2026, MBP supplies tape dispensers compatible with standard laboratory labeling tape systems for routine bench workflows.
Ready to stop fighting with your tape rolls? <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Ask the staff at MBP</a> for a quote right now&mdash;we help you cut through the chaos.

LT-DIS500-Group-Laboratory Tape Brochure

Tape Dispensers

LT-DIS500 by Globe Scientific is a range of laboratory tape dispensers in handheld and benchtop formats, plastic and metal construction, for 500-inch labeling tape rolls. Designed for use with Globe Scientific color-coding labeling tape, including the LT-1X500 1-inch tape. Benchtop models accommodate single or multiple tape rolls for high-frequency multi-color labeling. Order at mbpinc.net or contact customerservice@mbpinc.net.

Manufacture

Labeling Tape Dispenser, for 500", 12-1/8" x 5", EA

Labeling Tape Dispenser, for 500", 9-1/2" x 5", EA

Labeling Tape Dispenser, for 500", 6-1/2" x 5", EA

Labeling Tape Dispenser, 60yd,  13-3/8" x 7", EA

Labeling Tape Dispenser, Handheld, Plastic, for 500", EA

Labeling Tape Dispenser, Weighted, for 500" or 60yd , EA

<h2 dir="ltr"> What Is a Taq PCR Master Mix?</h2>
 The 2x Taq PCR master mix format has become the standard for high-throughput molecular biology workflows because it combines reliability, convenience, and reproducibility in a single-tube format. By pre-optimising the concentrations of all PCR components, master mixes reduce pipetting steps and experimental variability compared to assembling reactions from individual components. This simplifies workflow setup and improves reproducibility. Select a formulation designed for your amplification needs.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr">High-Purity Enzymes: Versatile independent polymerases, such as the Azura&trade; and Accuris series, crafted for adaptable reaction adjustments and enhanced processivity with various DNA templates.</li>
<li dir="ltr">Full Reaction Solutions: All-inclusive systems such as the PCR Sure&trade; Kit that feature optimized dNTPs and buffers, offering a ready-to-use option for labs requiring dependable high-throughput performance and consistent outcomes.</li>
</ul>
<h2 dir="ltr"> How to Choose a Taq PCR Master Mix</h2>
 Standard vs. Dye-Containing Standard 2x master mixes require a separate loading dye addition before gel electrophoresis. Dye-containing master mixes include loading dye in the formulation, allowing direct gel loading after amplification &mdash; streamlining routine band-confirmation workflows. Component Pre-Optimisation A 2x Taq PCR master mix is a pre-formulated, double-concentrated solution containing Taq DNA polymerase, dNTPs (typically 200 &micro;M each at 1x), MgCl2, and PCR buffer at optimised concentrations &mdash; requiring only template and primer addition to set up a reaction. Throughput Scale High-throughput genotyping and colony screening benefit most from master mix consistency across multi-well plates, where individual component pipetting would introduce variability and time cost. Storage and Stability Master mixes are typically stable at &minus;20 &deg;C with multiple freeze-thaw cycles, though some dye-containing formulations may have slightly different stability profiles &mdash; check product-specific storage recommendations. Compatibility with Existing Protocols When switching from individual-component reactions to a master mix format, confirm that the pre-set MgCl2 and dNTP concentrations are compatible with your existing primer designs and templates, or adjust accordingly. 
<h2 dir="ltr"> Specifications Context</h2>
 A 2x Taq PCR master mix is set up by combining the master mix with template DNA and primers &mdash; typically at a 1:1 ratio of master mix to combined template/primer/water volume, achieving the final 1x working concentration. This format has become the standard for high-throughput molecular biology because it reduces pipetting steps and lot-to-lot variability across multi-well plate setups, important for reproducibility in genotyping and screening pipelines. Master mixes are typically stored at &minus;20 &deg;C with documented multiple freeze-thaw tolerance. When transitioning a protocol from individual-component PCR to a master mix format, running both formulations side-by-side on the same template and primer set is a useful validation step, confirming that the pre-set MgCl2 and dNTP concentrations in the master mix produce comparable yield and specificity to the previously optimised individual-component reaction before fully adopting the new format across a workflow. Product availability reflects MBP's catalogue as of mid-2026. 
&nbsp;
Enhance your amplification outcomes&mdash;<a href="https://mbpinc.net/contact-us">reach out to the MBP team </a>now for a quote on our expert Taq Polymerase offerings.

Taq PCR Master Mixes

Flyer

PCR Product Guide

Taq 2X PCR MasterMix

Shipping Condition

<h2 dir="ltr">What Is Taq DNA Polymerase?</h2>
 Taq DNA polymerase, isolated from the thermophilic bacterium Thermus aquaticus, was the enzyme that made modern PCR possible. Its thermostability &mdash; retaining activity after repeated denaturation cycles at 94-95&deg;C &mdash; eliminated the need to add fresh enzyme after each cycle, a limitation of earlier PCR approaches using non-thermostable polymerases.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
High-Purity Enzymes: Versatile standalone polymerases, including Azura&trade; and Accuris series, available in flexible formats from 500 to 6000 units to suit both small-scale projects and high-volume industrial applications.
</li>
<li dir="ltr" aria-level="1">
Optimized Performance: Specialized formulations designed for superior processivity and flexible reaction tuning, allowing for high-yield synthesis across diverse and challenging DNA templates.
</li>
</ul>
<h2 dir="ltr"> How to Choose Taq DNA Polymerase</h2>
 Standard vs. Hot-Start Standard Taq is active immediately at room temperature, suitable for most routine genotyping and screening applications. Hot-start Taq formulations remain reversibly inactive until a high-temperature activation step, improving specificity for multiplex or low-abundance template reactions. Buffer System Compatibility Optimised 10x PCR buffers are formulated to complement the enzyme's activity profile &mdash; using mismatched buffer systems from other suppliers can affect yield and specificity, so matched buffer-enzyme pairs are recommended. MgCl2 Titration Needs MgCl2 concentration is one of the most influential variables in PCR specificity and yield. Separate MgCl2 solutions allow titration for templates or primer sets requiring optimisation beyond standard buffer concentrations. Concentration and Unit Format Enzyme is typically supplied in units (U) reflecting incorporation activity per unit time &mdash; confirm the unit concentration matches your typical reaction scale to avoid excessive dilution or waste. Application Scope Genotyping, colony screening after transformation, diagnostic band confirmation, and general routine amplification are the primary applications for standard and hot-start Taq DNA polymerase. 
<h2 dir="ltr"> Specifications Context</h2>
&nbsp;
Taq DNA polymerase&rsquo;s thermostability &mdash; the ability to withstand repeated 94&ndash;95 &deg;C denaturation cycles without loss of activity &mdash; enabled practical PCR workflows based on a single thermostable enzyme. The enzyme lacks 3&prime;&rarr;5&prime; proofreading exonuclease activity, resulting in a higher error rate than high-fidelity polymerases (e.g., Phusion, Q5, KOD, Pfu-based systems), making it suitable for genotyping and screening but less appropriate for cloning- or sequencing-grade amplification.
Standard storage is at &minus;20 &deg;C, and many formulations are generally tolerant to multiple freeze&ndash;thaw cycles depending on buffer composition; lot-specific CoAs are available on request. In laboratories using both standard and hot-start Taq formulations, clear labelling and separation of storage conditions help prevent cross-use, particularly in assays where hot-start specificity is critical. A side-by-side validation on a known template when adopting a new Taq formulation can help establish expected amplification efficiency and specificity before routine use. Product availability reflects MBP&rsquo;s catalogue as of mid-2026. 
Refine your amplification results&mdash;<a href="https://mbpinc.net/contact-us" title="contact the MBP team" style="color: #236fa1;">contact the MBP team</a> today for a quote on our professional Taq Polymerase solutions.

Taq DNA Polymerase

Taq DNA Polymerase (E121-00) by MBP is supplied at 5 u/µL with 10&times; Buffer and MgSO4. Available in 50 U (E121-00), 500 U (E121-01), 1,000 U (E121-02), and 5,000 U (E121-03) pack sizes. Ships on ice.

Taq DNA Polymerase , 50 U

Taq DNA Polymerase , 500 U

Taq DNA Polymerase , 1000 U

Taq DNA Polymerase ,5000 U

Hotplate & Stirrer Accessories

<h2>What Are Hotplate and Stirrer Accessories?</h2>
&nbsp;
Hotplate and stirrer accessories are supplementary components for single-position and multi-position hotplate stirrers that improve temperature accuracy, expand vessel compatibility, enable reflux setups, and maintain equipment in working condition. The most important accessory for research-grade hotplate use is an external temperature probe, which monitors actual solution temperature rather than hotplate surface temperature, which can be 20 to 50 degrees C higher than the liquid in the vessel. PTFE stir bars in standard cylindrical, oval, octagonal, cross-shaped, and polygon geometries allow matching of bar shape to vessel type and mixing requirement. Support rods and clamp assemblies secure condensers, separating funnels, and other glassware above the hotplate for reflux chemistry. Magnetic stir bar retrieval wands recover stir bars from flasks without contaminating the solution. An external temperature probe is the single most impactful hotplate stirrer accessory: without one, you are controlling plate temperature, not solution temperature, and the two can differ by 20 to 50 degrees C.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li data-section-id="dpsp0x" data-start="25" data-end="139">Temperature sensors for compatible GHS-series hotplate stirrers, available in standard and glass-coated designs.</li>
<li data-section-id="yvvor4" data-start="140" data-end="248">Sensor support stands and clamps for secure positioning of temperature probes during heating applications.</li>
<li data-section-id="hdqu1" data-start="249" data-end="353">Support rods and clamp sets for mounting laboratory apparatus and accessories above hotplate stirrers.</li>
<li data-section-id="rtdv85" data-start="354" data-end="446">Magnetic stir bars, including standard and pivot ring styles, for efficient sample mixing.</li>
<li data-section-id="1hl26tt" data-start="447" data-end="560" data-is-last-node="">Chemically resistant clamp set options featuring inert PTFE construction for demanding laboratory environments.</li>
</ul>
&nbsp;
<h2>How to Choose Hotplate and Stirrer Accessories</h2>
&nbsp;
External temperature probes
Confirm probe type compatibility with the hotplate stirrer model: most digital hotplate stirrers accept either a PT1000 resistance temperature detector (RTD) or a Type K thermocouple, and these are not interchangeable between models. The probe is inserted directly into the solution and feeds temperature data back to the PID controller to maintain the solution (not the plate surface) at the setpoint. Probe length and sheath material (stainless steel, glass, or PTFE) should be matched to the vessel size and chemical compatibility requirements.
PTFE stir bars: geometry and size
PTFE stir bars are available in cylindrical, oval (egg-shaped), octagonal, cross (X-shape), polygon, and ring geometries. Cylindrical bars are the most common general-purpose format. Octagonal bars provide more turbulent mixing in flat-bottomed vessels than cylindrical bars. Cross-shaped bars improve mixing in round-bottom flasks by preventing the bar from riding the wall. Ring or hoop bars are used for mixing around fixed probes or frits inside the vessel. Stir bar length is selected to match vessel diameter, typically 30 to 50% of vessel inner diameter.
Support stands and clamp sets.
Support stands (rod-and-base assemblies) mount above or adjacent to the hotplate to hold condensers, addition funnels, thermometers, and other glassware in reflux setups. Confirm rod diameter compatibility with the clamp set (most lab glassware clamps fit 12.7 mm or 16 mm rods). Weighted bases provide stability for tall assemblies. Crossbar assemblies allow horizontal positioning of clamps at adjustable heights along the support rod.
Magnetic stir bar retrieval tools
Stir bar retrievers are magnetic wands encased in a non-contaminating sleeve (PTFE or glass) that attract and remove the stir bar from a vessel without inserting fingers or metal into the sample. Available as handheld wands or bench-mounted extractors. An essential accessory for labs processing multiple samples per day, as losing track of stir bars is among the most common minor equipment management issues in bench chemistry.
Replacement sensors and calibration weights
Temperature probes degrade after repeated heating cycles or chemical exposure; replace probes showing drift against a calibrated reference thermometer. For hotplate stirrer models with external calibration weights (balance verification), confirm the weight set is OIML or ASTM traceable for regulated workflows.
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<h2>Specifications Context</h2>
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PTFE stir bars should be inspected regularly for chipped or worn PTFE coating. Bare metal exposure from a chipped bar contaminates the sample with metallic particles and alters the bar's magnetic coupling properties, resulting in reduced mixing efficiency or bar stall at lower speeds. Discard and replace any stir bar showing PTFE damage. For regulated lab environments (GMP, ISO 17025), maintain a stir bar inventory log and retire bars on a scheduled basis. External temperature probes rated for immersion in aqueous solutions should be verified against a calibrated reference thermometer at least annually; probes showing more than 1 degree C deviation should be recalibrated or replaced.&nbsp;
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Looking for that one missing piece to complete your setup? Browse our accessories collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a friendly quote today.

Temperature sensor, 230mm length, for use with GHS models with heat

GHS-S230 by Globe Scientific is a 230 mm external temperature sensor for Globe Scientific GHS series heated hotplate stirrers, enabling direct in-liquid temperature measurement and closed-loop control instead of relying on plate-surface setpoints. Compatible with GHS models that include a heating function. A glass-coated variant (GHS-S230G) is also available — confirm which is needed for your chemistry. Order via <a href="/quickorder">Quick Order</a> at mbpinc.net or email customerservice@mbpinc.net.

Temperature sensor, 230mm length, glass coated, for use with GHS models with heat

GHS-S230G by Globe Scientific is a 230 mm glass-coated temperature sensor for Globe Scientific GHS hotplate stirrer models equipped with heating (GHS-380HS, GHS-380H, GHS-550HS, GHS-550HSP). The glass coating provides chemical resistance for direct immersion in acidic, basic, or corrosive media during heated stirring and synthesis workflows. A non-coated version (GHS-S230) is also available.

Water Baths Accessories

<h2>What Are Water Bath Accessories?</h2>
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Water bath accessories are the ancillary components that maximize the function, safety, sample capacity, and operational life of laboratory water baths. They fall into five categories: sample holders (tube racks, floating racks, flask trays, concentric ring covers) that organize and stabilize sample containers in the bath; temperature measurement tools (calibrated bath thermometers, RTD probes, temperature data loggers) that verify the bath is performing to specification; coverage and evaporation control items (gable lids, flat covers, hollow bath balls) that reduce heat loss and contamination; water conditioning products (antimicrobial additives, deionized water corrosion inhibitors) that maintain bath water quality; and plumbing components (tubing, hose clamps, insulation kits) for connecting circulating baths to external equipment. Select accessories based on your sample container format, the temperature at which the bath operates (higher temperatures need better coverage), and whether the bath is used for sensitive biological samples (requiring antimicrobial water treatment).
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<h2 dir="ltr">What You Will Find:</h2>
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Microtube Racks: Custom optional racks created to securely accommodate 0.5 mL, 1.5 mL, and 2.0 mL microtubes for efficient sample processing in high densities.
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High-Capacity Test Tube Holders: Sturdy racks offered in various setups, accommodating up to 76 x 15 mL tubes or 30 x 50 mL tubes.
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Adaptable Tube Holder: An extensive selection of inserts designed for 5 mL, 15 mL, and 50 mL tubes to guarantee uniform thermal treatment for each sample.
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Efficient Design: Sturdy, corrosion-proof rack configurations that snugly fit in your water bath chamber to avoid tipping and loss of samples.
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<h2>How to Choose Water Bath Accessories</h2>
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Tube racks and sample holders
Stainless steel tube racks with fixed openings (10 mm, 16 mm, 25 mm hole diameters) hold test tubes and microcentrifuge tubes in the bath upright and submerged to the required depth. Polypropylene tube racks that sink in water (made from a PP blend with higher density than water) are stable in shaking baths; confirm sinking vs. floating designation before purchasing for a shaking water bath application. Floating foam racks (HDPE foam, brightly colored) suspend tubes at the water surface for partial immersion and are suitable for thawing frozen cryovials gently. Flask trays and concentric ring covers accommodate round-bottomed and flat-bottomed Erlenmeyer flasks of 50-2000 mL.
Bath thermometers and temperature verification
Calibrated non-mercury glass thermometers (spirit-filled with red or blue alcohol) for water bath use are available in ranges of 0-50 degrees C and 0-100 degrees C, and verify the bath's setpoint accuracy by independent measurement. Digital reference thermometers with immersion RTD probes (PT100 or PT1000) provide higher accuracy verification (plus or minus 0.1 degrees C) and are required for GLP and cGxP compliance documentation. Traceable calibration certificates with NIST reference are available for digital probe thermometers used in regulated laboratory environments.
Covers and evaporation control
Gable (ridge) lids deflect condensate from the inside surface of the lid to the bath walls, preventing droplets from falling onto open sample vessels. Flat polycarbonate or stainless steel lids are simple and cost-effective, but they accumulate condensate pools that drip. Hollow ball lids (polyethylene bath balls, 35-40 mm diameter, floating in a layer on the bath surface) are particularly effective at reducing evaporation and maintaining temperature while allowing easy sample insertion and removal without removing a rigid lid; they can reduce evaporative loss by over 80% at 60 degrees C compared to an open-top bath. Covers are essential for baths operating above 80 degrees C, where evaporation rates are high.
Antimicrobial additives and water quality
Bacterial, algal, and fungal contamination of bath water occurs readily at 37 degrees C (physiological temperature), producing biofilms on tank walls and heating elements that can cross-contaminate open sample vessels. Quaternary ammonium-based antimicrobial bath additives (added at 1:100 to 1:1000 v/v to deionized water) maintain water clarity and reduce biofilm formation. Corrosion inhibitor additives for stainless steel tanks protect against pitting corrosion when deionized water (which lacks the buffering of tap water and can be mildly aggressive to stainless steel) is used. Always confirm that additives are compatible with your sample type and bath material before use.
Plumbing kits for circulating baths
Circulating baths are connected to external jacketed vessels, reactor jackets, and instruments via flexible silicone or polyurethane tubing, hose barb fittings, and hose clamps. Plumbing kits from Thermo Fisher (Precision bath plumbing packages) and PolyScience include compatible tubing diameters and fittings for their specific circulating bath models. Thermal insulation wrap (foam pipe lagging) on external tubing runs between the bath and jacketed vessel reduces heat loss and improves temperature control at the external application.
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<h2>Specifications Context</h2>
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Hollow polyethylene bath balls reduce evaporation by over 80% at 60-80 degrees C compared to open-top operation, significantly reducing the frequency of water top-ups and the energy lost through evaporative cooling at high setpoint temperatures. Spirit-filled non-mercury glass thermometers for water baths are calibrated to plus or minus 1 degree C; digital RTD reference probes provide plus or minus 0.1 degrees C accuracy and are required for documented temperature verification in GLP, ISO 9001, and CLIA-regulated environments. Polypropylene tube racks formulated to sink in water are specified for shaking water bath use; a standard floating foam rack will be swept out of position by the agitation mechanism in an orbital shaking bath, making sinking racks essential for shaker applications. Hollow bath ball lids and antimicrobial water conditioning have become standard practice in cell culture labs as replacements for open-top baths and uncontrolled tap water, driven by contamination events and GLP audit requirements.&nbsp;
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Upgrade your immersion heating system now&mdash;explore our water bath accessories and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote.

Test Tube rack for 15 x 50 ml tubes

B2000-4-T500 by Benchmark Scientific is a tube rack that holds 15 x 50mL tubes, designed for the Benchmark MyBath 4L digital water bath and also available separately as a replacement or spare.

Test Tube rack for 30 x 50 ml tubes

The B2000-8-T500 by Benchmark Scientific is a 30-position tube rack sized for 50mL tubes, built as an accessory for the Benchmark MyBath 8L and 12L digital water bath series.