Brands

<h2 dir="ltr"> What Is a Primer-Probe Master Mix?</h2>
 A primer-probe master mix is a 2x concentrated formulation built around a hot-start Taq DNA polymerase, dNTPs, MgCl2, and optimised buffer, designed for use with hydrolysis-probe detection chemistries such as TaqMan. Unlike SYBR Green dye-based mixes, primer-probe formulations rely on a separately added, fluorescently labelled, sequence-specific probe combined with target-specific primers to generate the detection signal, with specificity coming from both primer and probe sequence matching. Choose a primer-probe master mix when assay specificity is critical, when multiplexing several targets in one well is needed, or when working with an established probe-based assay design.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="qhwnhl" data-start="279" data-end="413">Probe-based qPCR master mixes with HiROX, LoROX, and ROX-free options for compatibility across a range of real-time PCR instruments.</li>
<li data-section-id="1cnihmh" data-start="414" data-end="543">Hot-start polymerase formulations designed to support specific target detection in hydrolysis probe (TaqMan-style) qPCR assays.</li>
<li data-section-id="51tf3n" data-start="544" data-end="643">Blue tracking dye probe master mixes for easier reaction setup and visual pipetting confirmation.</li>
<li data-section-id="cjeacg" data-start="644" data-end="749">2X ready-to-use probe qPCR master mixes containing optimized buffers, dNTPs, and polymerase components.</li>
<li data-section-id="xfwfro" data-start="750" data-end="884">One-step probe RT-qPCR formats that combine reverse transcription and real-time PCR amplification in a single tube for RNA analysis.</li>
</ul>
<h2 dir="ltr"> How to Choose a Primer-Probe Master Mix</h2>
 Reference Dye Inclusion Primer-probe master mixes commonly include ROX as a passive reference dye for signal normalisation across wells on instruments that require it -- confirm whether your real-time PCR instrument needs ROX and whether the chosen master mix includes it or requires separate addition. Multiplexing Capability A core advantage of probe-based chemistry is multiplexing -- detecting multiple targets in a single well using probes labelled with spectrally distinct fluorophores. Confirm the master mix is validated for the number of multiplexed targets your assay requires. Probe Chemistry Compatibility While TaqMan-style hydrolysis probes are the most common, other probe chemistries such as Scorpion primers, exist; confirm the master mix is formulated for compatibility with your specific probe chemistry. Primer and Probe Concentration Guidelines Standard setups commonly use primer pairs at a final concentration around 0.5 &micro;M and probes at 0.25-0.5 &micro;M -- confirm the master mix manufacturer's recommended ranges, since probe concentration affects both signal intensity and background. One-Step vs. Two-Step Application Primer-probe master mixes are used in both two-step workflows (with a separately generated cDNA template) and as the chemistry component within one-step RT-qPCR kits -- confirm which configuration matches your workflow when selecting a product. 
<h2 dir="ltr"> Specifications Context</h2>
 In probe-based qPCR, the 5'-3' exonuclease activity of the Taq DNA polymerase cleaves the dual-labelled probe annealed to the target sequence during amplification, separating a fluorescent reporter from its quencher and generating signal proportional to target abundance -- the mechanism underlying the widely used TaqMan probe system. Because both primer and probe sequence must match the target for signal generation, probe-based assays generally offer higher specificity than dye-based detection, and because probes can be labelled with spectrally distinct fluorophores, multiple targets can be detected in a single well. Standard reaction setup adds primer pairs at approximately 0.5 &micro;M and probes at 0.25-0.5 &micro;M to the 2x master mix. Primer-probe master mixes are typically stored at &minus;20 &deg;C to &minus;30 &deg;C and protected from light; lot-specific CoAs are available on request. 
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today and get optimized Primer-Probe real-time master mixes for your lab.

Primer-Probe

DataSheet

MSDS

Flyer

ROX Machine Compatibility

BlasTaq™ Probe One-Step RT-qPCR

Unit Quantity

Storage Condition

Shipping Condition

Homogenizer Accessories

<h2>What are homogenizer accessories?</h2>
&nbsp;
Homogenizer accessories are the interchangeable tools, replacement parts, and supporting vessels and hardware that enable a laboratory homogenizer to be used across different sample volumes, sample types, and processing conditions beyond what the base instrument alone provides. For rotor-stator homogenizers, the critical accessories are the generator head and dispersing tool (the probe tip with rotating blade inside a stator tube), available in different sizes to match different sample volumes. For ultrasonic probe homogenizers, the primary accessories are the sonic probe tip or microtip, which is the consumable component that transmits ultrasonic energy and eventually wears or fatigues. Additional accessories include cleaning stations, jacketed vessels for temperature control, and support stands.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Rotor-stator homogenizer generator probes</li>
<li>Rotor-stator homogenizer probe tips and microtips</li>
<li>Bead kit and bead grinding media for bead mill homogenizers</li>
<li>Sample tube adapters and holders for homogenizers</li>
<li>Stands, clamp attachments, and supports</li>
<li>Cup horns and flow cells for ultrasonic homogenizers</li>
<li>Sound chamber enclosures for noisy ultrasonic homogenizers</li>
<li>Seals and other replaceable homogenizer parts </li>
</ul>
&nbsp;
<h2>How to choose homogenizer accessories</h2>
&nbsp;
Match the generator head size to your sample volume
Rotor-stator generator heads (dispersing elements) are designed for specific volume ranges: the S10N generator head suits 0.5&ndash;30 mL, S18N suits 5&ndash;150 mL, and S25N suits 50&ndash;500 mL volumes in common IKA Ultra-Turrax style instruments. Processing a 2 mL sample with a large S25N head gives poor energy density; processing 200 mL
Check ultrasonic probe tip diameter against the sample vessel and volume
Ultrasonic probe homogenizer tips are available in standard (12.7&ndash;19 mm) and micro (3&ndash;6 mm) diameters, with the micro-tip providing higher acoustic intensity for small volumes and the standard tip covering larger volumes. The tip diameter should be approximately 1/4 to 1/3 of the diameter of the sample container for effective cavitation throughout the sample.
Replace ultrasonic probe tips before pitting becomes severe
Ultrasonic probe tips erode at the vibrating face through cavitation, and a pitted tip delivers less energy, generates metal particles contaminating the sample, and risks mechanical failure. Inspect the tip face regularly for pitting and replace at the first signs of significant erosion to maintain energy delivery.
Use a water-jacketed vessel for temperature-sensitive samples
Water-jacketed homogenization vessels circulate cold water around the sample vessel during homogenization, limiting the temperature rise in the sample from frictional and ultrasonic heating. This is particularly important for enzyme preparations, RNA isolation, and other applications where sample heating above a few degrees above ambient can cause degradation.
Invest in a probe cleaning station for high-throughput work
Probe cleaning stations hold cleaning and rinse solutions in sequence for rapid cleaning between samples, reducing cleaning time and ensuring consistent decontamination in labs processing many samples per session compared with manual cleaning.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Ultrasonic probe tip replacement is a consumable cost, with tip lifespan typically 50&ndash;200 hours before pitting degrades performance. Manufacturers specify replacement tip models compatible with each horn assembly; non-specified tips risk poor energy coupling or damage. Titanium alloy probe tips remain the standard material for their combination of acoustic properties, corrosion resistance, and fatigue resistance under repeated ultrasonic cycling.
<a href="https://mbpinc.net/contact-us">Contact us to receive a quotation</a> on our homogenizer accessories from our expert staff at Molecular Biology Products Inc.

Product Literature

Blender Bag for BenchMasher 400 Laboratory Paddle Blender

IPD4400-B400 by Benchmark Scientific is a sterile 400 mL LDPE blender bag for the BenchMasher™ 400 Laboratory Paddle Blender (IPD4400). Each bag measures 30 × 18 cm with a 60 µm wall — the standard for food microbiology, environmental, and pharmaceutical sample homogenization. Supplied in 500-bag packs (10 × 50) for high-throughput lab workflows.

Blender Bag, 400ml x 60µm, 300 x 180mm, pack of 500 (10 pack fo 50)

Blender bag, 400ml x 70µm with lateral (side) nylon filter, 300 x 190mm, pack of 500 (10 pack of 50)

Blender bag, 400ml x 70µm with full nylon filter, 300 x 190mm, pack of 500 (10 pack of 50)

Shaking Incubator Accessories

<h2>What Are Shaking Incubator Accessories?</h2>
&nbsp;
Shaking incubator accessories are platform attachments and replacement components that secure culture vessels to the shaking deck, expand the range of vessel types a single incubator can accommodate, and maintain safe operation at high agitation speeds. The primary accessories are flask clamps (spring-type or magnetic-attachment systems) for Erlenmeyer flasks of specific volumes, tube racks for culture tubes and centrifuge tubes, microplate holders for 24-well, 96-well, and deep-well plate formats, universal platforms with non-slip surfaces for various container types, and adhesive mats for securing irregularly shaped vessels. Accessories are not universally interchangeable: platform slot patterns, clamp arm geometry, and attachment mechanisms vary by manufacturer and model, so confirm compatibility with the specific shaking incubator before ordering. Always match the flask clamp size to the exact flask volume in use; undersized clamps allow movement that damages cultures, and oversized clamps do not seat correctly in platform slots.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">MultiTherm Touch blocks offer specialized holders for cryotubes, PCR plates, and centrifuge tubes up to 5ml.</li>
<li dir="ltr" role="presentation">Microplate blocks provide secure, uniform agitation for standard and deep-well 96-well plates.</li>
<li dir="ltr" role="presentation">Universal spring platforms offer a flexible solution for holding various bottle and flask sizes on a single surface.</li>
<li dir="ltr" role="presentation">Precision tube adapters allow you to mix 0.2ml to 2.0ml tubes with perfect stability and heat transfer.</li>
<li dir="ltr" role="presentation">Stainless steel shelves help you maximize your incubator&rsquo;s internal capacity for static or upright samples.</li>
</ul>
&nbsp;
<h2>How to Choose Shaking Incubator Accessories</h2>
&nbsp;
Flask clamp size and type
Flask clamps are specified by flask volume: 50 mL, 125 mL, 250 mL, 500 mL, 1 L, and 2 L are the standard sizes. One-piece stainless steel clamp construction is preferable to spot-welded or riveted designs for durability at high agitation speeds. For flasks 2 L and above, clamps with a secondary girdle ring provide additional security during prolonged shaking at 200 rpm or above. Magnetic clamp systems (such as MAGic Clamp-style designs) allow tool-free, rapid exchange between flask sizes without loosening bolts.
Tube racks
Tube racks for shaking incubators accommodate standard 10 mL, 14 mL, 17 mL, 50 mL, and culture tube formats, slotted into the platform deck. Adjustable tube racks that fit multiple tube diameters offer more flexibility than fixed-diameter designs. Confirm the number of tube positions and whether the rack base fits the specific platform slot pattern of your incubator.
Microplate holders
Microplate holders secure 96-well, 24-well, deep-well (2 mL per well), and skirted PCR plate formats to the shaking platform. Platforms designed for microplates typically operate at smaller orbit sizes (19 mm) and higher speeds (up to 400 rpm) compared to flask platforms. Confirm that the holder is rated for the plate format and the speed required by your protocol.
Universal platforms and adhesive mats
Universal platforms with rubber-coated surfaces provide a non-slip base for tissue culture flasks (T-25, T-75), Petri dishes, staining trays, and containers that do not fit standard clamps. Adhesive mats function similarly and are useful for microcentrifuge tube arrays or multiple small containers. Replace adhesive mats periodically as tackiness degrades with repeated use and autoclaving.
Platform compatibility
Before purchasing accessories, identify the platform slot pattern (tab-and-slot vs. screw-mount vs. magnetic) specific to your shaking incubator model. Accessories from the same manufacturer as the incubator are the safest choice; third-party platforms may fit universal tab-and-slot patterns, but should be verified before high-speed use.
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<h2>Specifications Context</h2>
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Stainless steel flask clamps are the preferred material for autoclavability and chemical resistance. Verify whether accessories can be autoclaved at 121 degrees C; not all rubber or plastic components on tube racks and mats withstand repeated steam sterilization. The load capacity of the platform (in kg per position) limits the total mass of vessel plus culture volume that can be safely agitated; exceeding this limit at high speed stresses the drive bearings. For heavy-use labs running continuous 24-hour shaking protocols, select clamps with single-piece construction and check the drive belt or brushless motor specifications for continuous-duty cycle ratings.&nbsp;
&nbsp;
Ready to optimize your incubator&rsquo;s capacity? Browse our accessories collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a friendly quote today.

Block , 24 x 2ml HPLC/ Autosampler Vials (12 x 32mm)

H5000-1232 by Benchmark Scientific is a 24-position MultiTherm interchangeable block for 2&nbsp;mL HPLC/autosampler vials (12&times;32&nbsp;mm). Precision-contoured wells enable uniform thermal transfer across all positions over the 0&ndash;100&deg;C range. A drop-in accessory for HPLC sample preparation, derivatization, and LC-MS digest workflows.

Manufacture

Block for 5ml centrifuge tubes

H5000-5MT by Benchmark Scientific is an exchangeable heating block for the MultiTherm series (H5000-H, H5000-HC), holding 15 × 5 mL conical centrifuge tubes at 0–100°C. Precision-contoured wells ensure uniform thermal transfer across all 15 positions. Designed for DNA extraction, enzymatic digestion, and cell lysis workflows requiring 5 mL tube format on the MultiTherm platform.

Block for one Deep Well Micro Plate

H5000-DWMP by Benchmark Scientific is a deep-well microplate block for the original MultiTherm™ Shaker H5000 series, holding one 96-well deep-well plate (max well height 54 mm) at 0–100°C and 200–750 rpm with precision-contoured wells. Sold separately from the H5000 instrument; not compatible with the MultiTherm Touch H5100 (which uses H5100-1DWMP or H5100-2DWMP).

Block for one Micro Plate

H5000-MP by Benchmark Scientific is a precision microplate thermal block for the MultiTherm™ H5000-series shaker, accommodating one standard 96-well SBS-footprint microplate with 0–100°C temperature control and precision-contoured wells for uniform heat distribution. Note: H5000-MP is for H5000-series instruments only — not compatible with the H5100-series MultiTherm Touch. Contact MBP at customerservice@mbpinc.net to confirm instrument compatibility before ordering.

Block, 12 x 15ml

H5000-150 by Benchmark Scientific is a 12 × 15 mL tube block for the original MultiTherm™ Shaker H5000 series, delivering 0–100°C temperature control and 200–750 rpm mixing with precision-contoured wells for uniform thermal transfer. The block is sold separately from the H5000 instrument and is not compatible with the MultiTherm Touch H5100.

Dry Baths Accessories

<h2>What Are Dry Bath Incubator Accessories?</h2>
&nbsp;
Dry bath accessories are the secondary components that extend or optimize the functionality of a dry block heater: aluminum insert blocks that define the tube format capacity; heated lids that eliminate condensation; external temperature reference probes for calibration verification; and carrying and storage cases for portability. Because the aluminum insert block physically determines which tube formats the dry bath can process, insert block selection is the single most impactful purchase decision after the base unit itself. Most manufacturers supply one insert format as standard with the base unit; labs processing multiple tube formats must purchase additional inserts separately. Select accessories based on the tube formats used in your primary protocols, confirming that inserts are brand- and model-compatible before ordering.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Specialized Heating Blocks: High-conductivity aluminum blocks tailored for everything from 0.2ml PCR strips and 1.5ml centrifuge tubes to larger 50ml conical vessels.
</li>
<li dir="ltr" aria-level="1">
Custom &amp; Solid Block Options: Versatile solid blocks suitable for slides or custom machining, alongside blocks specifically drilled for HPLC vials and cuvettes.
</li>
<li dir="ltr" aria-level="1">
Precision Monitoring &amp; Power: External temperature probes for direct sample tracking and 12V vehicle adapters to maintain thermal control during mobile laboratory work.
</li>
</ul>
&nbsp;
<h2>How to Choose Dry Bath Accessories</h2>
&nbsp;
Aluminum insert blocks: format selection
Insert blocks are precision-machined from aluminum to accept specific tube formats with tight well tolerances (typically within plus or minus 0.1 mm of the tube's outer diameter). Common formats include: 24 wells for 0.5 mL tubes; 15-16 wells for 1.5 mL microcentrifuge tubes; 12-15 wells for 2 mL microcentrifuge tubes; 8-strip configuration for 0.2 mL PCR strip tubes; 12 wells for 15 mL conical tubes; 6 wells for 50 mL conical tubes; and a flat surface (no wells) for microplates or irregular vessels. Inserts are not universally interchangeable across brands; confirm the insert fits the specific dry bath model's block holder dimensions and, for models with auto-recognition, that the insert carries the required auto-recognition contact.
Insert material and thermal conductivity.
Aluminum (Al 6061 alloy) is the standard material for dry bath inserts due to its high thermal conductivity (approximately 167 W/m K), low density, and machinability for tight tolerances. Some specialty inserts for aggressive chemical applications use hard-anodized aluminum or stainless steel, with lower thermal conductivity but better chemical resistance. Always use manufacturer-supplied or manufacturer-approved aluminum inserts; after-market inserts with inferior tolerances reduce thermal contact and degrade temperature uniformity.
Heated lid accessories
Heated lid accessories for dry baths are sold separately for many base unit models or as an upgrade kit. When selecting a heated lid, confirm: (1) it fits the specific block footprint and height of your dry bath model; (2) the lid temperature range covers the required anti-condensation temperature (typically 60-110 degrees C); (3) the lid temperature is independently controlled from the block; and (4) the lid surface material is non-reactive with samples. For protein and enzyme protocols, a lid temperature 5-10 degrees C above the block temperature is the typical starting point.
External temperature reference probe
An external calibration probe (typically a thin RTD or thermocouple probe rated for direct insertion into a tube well, connected to a calibrated digital reference thermometer) verifies that the temperature inside the well matches the instrument's displayed setpoint. External probe verification is required for GLP-compliant and regulated laboratory protocols (ISO 9001, CLIA, cGxP) and is good practice annually for any research dry bath. Confirm that the probe diameter fits the insert well format (most probes are 2-5 mm diameter; well diameter varies by tube format) before ordering.
Carrying case for portable dry baths
Mini and portable dry bath models (Labnet PR1MA Mini, and similar) are available with dedicated carrying cases for field applications: point-of-care diagnostics, on-site environmental sampling, and field isothermal PCR or LAMP assays using a 12 V DC automotive power adapter. Carrying cases provide impact protection, secure block holder positioning, and cable management for field use.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Aluminum insert block well tolerances of plus or minus 0.1 mm ensure full circumferential contact between the tube outer wall and the block well, maximizing heat transfer and minimizing temperature gradients between the sample and the block setpoint. A loose-fitting insert with 0.5 mm or more of air gap between tube and well reduces heat transfer and can introduce a temperature lag of 1-3 degrees C compared to the block setpoint, systematically underheating samples. Heated lid accessories eliminate condensation-related volume errors of 5-15% that can occur in short (&lt;10 microliter) enzyme reactions at 37-55 degrees C over 30-60 minute incubations. Auto-recognized interchangeable block inserts (where the dry bath unit automatically detects which format insert is installed) are a standard feature on Labnet and similar mid-range dry bath models, improving setup speed and reducing configuration errors.&nbsp;
&nbsp;
Enhance your dry bath setup today&mdash;check out our full range of blocks and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote.

Block, 12 x 15ml centrifuge tubes

BSW15 by Benchmark Scientific is an aluminum dry bath block for 12 x 15 mL centrifuge tubes, with a block height of 3.25 inches. Compatible with Benchmark Scientific BSH5002 myBlock II and BSH1001 dry bath platforms. Delivers uniform dry heat across all 12 tube positions for incubation, thawing, and reagent preparation workflows.

Block, 12 x 15mm or 16mm test tubes

The BSW1516 by Benchmark Scientific is an aluminum dry bath block for 12 x 10 mL test tubes or blood collection tubes (15 mm or 16 mm OD). Block dimensions: 3 x 3.75 x 2 in. Fits BSH1000, BSH5000 MyBlock, and BSH6000 IsoBlock dry bath series. Precision-machined cylindrical wells for consistent temperature uniformity. Sold individually.

Block, 12 x 5.0ml centrifuge tubes (17mm diameter)

The BSW5MT by Benchmark Scientific is an aluminum dry bath block for 12 x 5.0 mL centrifuge tubes (17 mm diameter wells). Compatible with MyBlock BSH5001/BSH5002 and IsoBlock BSH6000 dry baths. Precision-machined wells provide close metal-to-tube contact for consistent temperature delivery across all 12 positions. Sold individually.

Block, 15 x 1.5ml Centrifuge Tubes for Dry Bath with Heated Lid

BSH100-15HL by Benchmark Scientific is a 15 x 1.5 ml aluminum dry bath block designed exclusively for the Benchmark Scientific MyBlock Mini with Heated Lid (BSH200-HL). The heated lid interface prevents condensation on tube caps during incubation, protecting reaction volumes in restriction digests, ligations, and nucleic acid hybridization protocols. Order at mbpinc.net/quickorder using catalog number BSH100-15HL or contact customerservice@mbpinc.net.

Block, 15 x 1.5ml or 2.0ml centrifuge tubes (conical)

BSH100-1520 by Benchmark Scientific is a 15-well conical aluminum dry bath block for the MyBlock™ Mini (BSH100/BSH200), accepting 1.5 mL or 2.0 mL Eppendorf-style centrifuge tubes. Conical well geometry maximizes tube-to-aluminum contact for uniform ±0.2°C heating across all 15 positions — for enzyme incubation, denaturation, heat-shock, hybridization, and bead-based assay protocols.