Brands

Plate Sealer Accessories

<h2>What Are Plate Sealer Accessories?</h2>
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Plate sealer accessories include consumable sealing materials and instrument hardware used with heat plate sealers. Consumable sealing materials, such as sealing films and foil seals, are the most frequently replaced accessories, with one seal used per plate. Films and foils vary in optical properties, adhesion, temperature resistance, and pierceability, making it important to select the appropriate type for PCR, qPCR, sample storage, or automated liquid handling. Instrument hardware accessories, such as sealing frames, adapter inserts, and replacement components, are model-specific and designed to maintain proper sealer performance. Before ordering, confirm whether your application requires an optically clear film, a pierceable foil, or a cryogenic-rated foil.
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<h2>What You Will Find</h2>
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<ul>
<li>Optically clear qPCR sealing films with peelable, pierceable, and strong-bond options.</li>
<li>Peelable sealing films compatible with most microplate types for PCR and qPCR workflows.</li>
<li>Strong-bond sealing films for polypropylene (PP) plates requiring secure sample containment.</li>
<li>Foil plate seals with peelable or strong-bond options for PP plates.</li>
<li>Foil seals suitable for DMSO applications and cold storage from -200&deg;C to 110&deg;C.</li>
</ul>
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<h2>How to Choose Plate Sealer Accessories</h2>
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Seal material: film vs. foil
Polymer films are optically transparent and required for qPCR, fluorescence assays, and plate readers that detect through the seal. They are suitable for thermal cycling and short-term storage. Aluminum foil seals provide superior evaporation protection and are preferred for long-term storage, solvent resistance, and applications that do not require optical read-through.
Optical properties for qPCR
Use optically clear, low-autofluorescence sealing films for real-time qPCR to maximize fluorescence detection sensitivity. Confirm compatibility with your PCR instrument and fluorescence detection wavelengths.
Cryogenic performance
For storage at -80&deg;C or below, select sealing materials designed to maintain adhesion and barrier integrity through repeated freeze-thaw cycles. Cryogenic-rated foil seals provide the most reliable long-term performance.
Pierceable vs. non-pierceable seals
Pierceable foil seals allow robotic or manual pipette access without removing the seal, making them suitable for automated workflows. Non-pierceable seals provide the highest barrier protection for storage but must be removed before accessing samples.
Format adapters and sealing frames
Sealing frames and adapter inserts help align sealing materials and non-standard microplate formats during heat sealing. Verify compatibility with both your plate sealer model and microplate format before ordering.
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<h2>Specifications Context</h2>
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Film thickness influences evaporation protection, optical clarity, and piercing performance. Polymer films are typically 60 to 100 micrometers thick, while aluminum foils are generally 50 to 70 micrometers thick. Also confirm whether your plate sealer uses pre-cut sealing sheets or roll-format sealing material, as these formats are not interchangeable.
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To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

Foil seals, peelable for PP plates, 100/pk

The MS1000-F1 by Accuris Instruments is a pack of 100 peelable foil seals for polypropylene (PP) microplates, applied using the Accuris SmartSeal semi-automated thermal sealer (MS1000). The peelable foil provides hermetic closure for sample storage and compound library plates where wells need to be manually peeled open—distinct from the pierceable MS1000-PCR3 variant. Order at mbpinc.net using catalog number MS1000-F1.

Manufacture

Foil seals, strong bonding for cold storage (-200 to 110°C) and DMSO, for PP plates, 100/pk

MS1000-F2 by Accuris Instruments is the Accuris SmartSeal aluminum foil plate seal for polypropylene (PP) microplates — rated from −200 °C to +110 °C and resistant to DMSO, making it suitable for ultra-low temperature storage, liquid nitrogen banking, and DMSO-based compound library plates.

PCR & qPCR Film

FoilSeal™ RollMate™, Dispenser +1 Roll of FoilSeal™ Film, 500 Pre-Scored Sheets,

FoilSeal™ RollMate™ (F2-RL-500) by MBP bundles a reusable RollMate dispenser with one roll of FoilSeal™ aluminum foil plate sealing film pre-scored into 500 sheets. Faster and more economical than single-sheet film packs. For high-throughput PCR, qPCR, and light-sensitive assay plate sealing. Ships ambient.

Application

Temperature Range

Manufacturer

<h2 dir="ltr">What are light-sensitive sealing films?</h2>
 Light-sensitive sealing films are light-blocking microplate seals &mdash; typically aluminum foil or opaque pigmented polymer &mdash; used to protect photosensitive contents from light exposure during incubation, detection, and storage. They prevent the photobleaching of fluorophores and the photodegradation of light-labile reagents and drugs, while still stopping evaporation and well-to-well contamination. Foil versions also block gases and tolerate &minus;80 &deg;C storage, and several are pierceable for robotic access. Buy from this category whenever a sample's signal or stability depends on keeping light out of the wells.
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<h2 dir="ltr">What you will find: </h2>
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Black opaque sealing films for full light protection
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Semi-opaque light-reducing films for controlled exposure workflows
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Standard formats for 96-well microplates (approx. 127 &times; 80 mm)
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384-well compatible sealing films for high-throughput assays
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Adhesive sealing films for secure microplate closure
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Optical-compatible films for fluorescence-based assays
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Pierceable and non-pierceable film options for workflow flexibility
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High-barrier films for evaporation and contamination control
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</ul>
<h2 dir="ltr"> How to choose light-sensitive films</h2>
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Confirm full light-blocking Choose fully opaque foil or pigmented film, not tinted clear film, when contents are strongly photosensitive; foil blocks light completely, while pigmented polymer films balance light protection with easier handling.
Decide whether you still need optical access Light-sensitive films are not for reading through; if a protocol requires both light protection and optical detection, seal for storage with an opaque film and switch to an optical film at the read step.
Check temperature and storage rating Foil light-blocking films often double as cold storage seals rated to &minus;80 &deg;C, suiting light-sensitive compound libraries; confirm the stated range before archiving frozen samples.
<h2 dir="ltr"> Compare light-sensitive film variants.</h2>
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<ul>
<li data-section-id="17gvbe2" data-start="0" data-end="165">Opaque aluminum foil: Provides maximum light blocking and supports &minus;80 &deg;C storage; compatible with storage and polypropylene plates, as well as robotic probes.</li>
<li data-section-id="1jnkzrj" data-start="167" data-end="335">Pierceable foil: For photosensitive high-throughput screening (HTS) and automated sample access; compatible with polypropylene plates and liquid handling systems.</li>
<li data-section-id="1o0gauf" data-start="337" data-end="479" data-is-last-node="">Black/amber polymer film: For light-sensitive applications requiring easier benchtop handling; compatible with assay and culture plates.</li>
</ul>
<h2 dir="ltr"> Specifications context</h2>
 Light-sensitive films are characterized by opacity, temperature range, and whether they are pierceable. Aluminum foil offers complete light blocking plus a gas and moisture barrier, and often carries a &minus;80 &deg;C to +110 &deg;C rating for combined light protection and freezer storage. Pigmented polymer films are easier to handle for benchtop work. Because a conformable foil presses down into each well, it leaves a defined impression around every well that lets the user confirm a complete seal by eye, and the opaque, intact layer doubles as a tamper-evident and contamination barrier while plates move between the bench, incubator, and freezer. Because these films are not optically clear, they are removed before any fluorescence or absorbance read. As of 2026, they ship in packs of 100 or rolls in a low-to-mid price tier.&nbsp; 
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Instead of struggling with inconsistent results, choose a sealing solution designed specifically for light-sensitive work. <a href="https://mbpinc.net/contact-us">Connect with the MBP team</a> to find the right film format, compatibility, and bulk supply option for your application.

Light Sensitive Film

FoilSeal™, PCR

FoilSeal™ PCR (F2-100) by MBP is an aluminum foil plate sealing film rated &minus;20&deg;C to +120&deg;C for PCR, qPCR, light-sensitive assays, and robotics. Minimizes evaporation and cross-contamination. Available non-sterile (F2-100, 100 films) or sterile (F2S-50, 50 films). Ships ambient.

FoilSeal™, PCR, light sensitive assays and robotics, -20°C to +120°C, 100 Sealing Films/Pack

FoilSeal™, PCR, Sterile, light sensitive assays and robotics, -20°C to +120°C, 50 Sealing Films/Pack

Formaldehyde Control

<h2 data-section-id="ibpx2r" data-start="0" data-end="42">What Are Formaldehyde Control Products?</h2>
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Formaldehyde control products are workplace safety tools used to monitor and manage exposure to airborne formaldehyde in laboratory and healthcare environments. These products are commonly used in histology, pathology, anatomy, and research laboratories where formalin-based fixatives are routinely handled during specimen preparation and preservation.
Because formalin is widely used as a tissue fixative, monitoring employee exposure is an important part of laboratory safety programs. Formaldehyde control products help laboratories assess exposure levels, document monitoring activities, and support compliance with workplace safety requirements.
Laboratories that routinely use formalin should implement formaldehyde monitoring programs, with passive badge dosimeters being one of the most common methods for measuring employee exposure over a work shift.
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<h2 dir="ltr">What you will find:</h2>
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Formalin Neutralizers for safe liquid-to-non-toxic conversion.
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Vapor Suppressant Pads for rapid absorption and odor capture.
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Decontamination Sprays to eliminate residual chemical traces.
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Spill Response Kits for immediate laboratory emergency management.
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Absorbent Granules designed for high-capacity chemical containment.
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Protective Bench Mats to trap drips before they spread.
</li>
</ul>
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<h2 data-section-id="y865ie" data-start="919" data-end="965">How to Choose Formaldehyde Control Products</h2>
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Passive Badges vs Real-Time Monitors
Passive dosimeter badges are designed to measure employee exposure over an extended sampling period, typically a full work shift. These badges are worn by personnel and provide time-weighted average (TWA) exposure data that can be used for workplace monitoring and documentation.
Real-time monitors provide immediate readings of airborne formaldehyde concentrations. They are useful for investigating ventilation issues, evaluating work areas, and assessing conditions after spills or other incidents. However, they are generally used as supplemental monitoring tools rather than replacements for long-term exposure measurements.
Detection Range
When selecting a monitoring product, it is important to ensure that the detection range is appropriate for the expected workplace environment. Products designed for laboratory use typically measure concentrations across ranges relevant to occupational exposure monitoring programs.
Monitoring Frequency
Routine monitoring schedules help laboratories track exposure levels over time. Additional monitoring may be appropriate when laboratory procedures, equipment, staffing, ventilation systems, or formalin usage patterns change significantly.
Personnel Monitoring
Employees who regularly handle formalin-containing materials or work in areas where formaldehyde may be present are commonly included in monitoring programs. Monitoring helps laboratories evaluate workplace conditions and identify opportunities for improving safety controls.
Documentation and Recordkeeping
Accurate recordkeeping is an important component of formaldehyde monitoring programs. Laboratories often maintain records that include monitoring dates, employee assignments, badge identification numbers, sampling locations, and analytical results. Certificates of analysis and related documentation may also be retained as part of quality and compliance programs.
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<h2 data-section-id="1jl751w" data-start="3575" data-end="3600">Specifications Context</h2>
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Formaldehyde monitoring products are widely used in histology and pathology laboratories where formalin-based tissue fixation is performed. Passive monitoring systems commonly use chemically treated collection media to capture airborne formaldehyde during the sampling period, followed by laboratory analysis.
Workplace exposure monitoring programs help laboratories evaluate ventilation effectiveness, document employee exposure levels, and support occupational safety initiatives. Many laboratories incorporate formaldehyde monitoring into their broader environmental health and safety programs.
Tired of harsh fumes slowing down your team? Upgrade to a safer lab environment; browse our inventory now and<a href="https://mbpinc.net/contact-us"> hit up the MBP team</a> for a quote.

Formaldehyde Control, Form-Zero Reagent Powder, 500cc/Bottle, 12 Bottles/Unit

Form-Zero Formaldehyde Control Powder (SKU 2531) — 500 cc/bottle, 12 bottles/unit. Each bottle neutralizes 1 gallon of 10% formalin or 4% glutaraldehyde within 20–25 minutes. Test strips included. Supports OSHA compliance and drain-safe disposal.

Formalex, Formaldehyde Control

Globe Scientific Formalex Formaldehyde Control (SKU 2534) — 5-gallon cubitainer of ready-to-use liquid neutralizer for formalin, glutaraldehyde, and alcohol-formalin waste. Supports OSHA, EPA, and JCAHO compliance. Converts aldehyde waste to drain-safe solution.

Formaldehyde Control, Formalex Liquid, 5 Gallon Cubitainer

Formaldehyde Control, Formalex Liquid, 2.5 Gallon Cubitainer

Biohazard Bags

<h2 dir="ltr">What are Biohazard Bags?</h2>
 Biohazard bags are polyethylene pouches printed with the universal biohazard symbol and standardized warning text, used to contain, transport, and dispose of biological specimens and infectious waste in clinical, diagnostic, and research laboratory settings. They are manufactured in two functionally distinct categories: specimen transport bags (thin-walled LDPE, zipper-closure, with document pouch) for routing patient specimens from collection point to laboratory; and autoclave/waste bags (heavy-gauge polypropylene, heat-sealable) for containing infectious solid waste before steam sterilization at 121&ndash;136 &deg;C. Choose a specimen transport bag for courier or inter-department specimen routing; choose an autoclave bag for infectious solid waste destined for steam sterilization.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
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Red biohazard waste bags for infectious laboratory disposal
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Autoclavable biohazard bags for sterilization workflows
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Leak-resistant polyethylene biohazard liners for lab bins
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High-strength biohazard bags for heavy laboratory waste
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Printed biohazard symbol bags for clear hazard identification
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Disposable waste bags for contaminated consumables
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Chemical- and bio-waste compatible collection bags
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Medium and large capacity biohazard bags for lab use
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Thick gauge waste bags for puncture resistance
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General laboratory biohazard containment solutions
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</ul>
<h2 dir="ltr"> How to Choose Biohazard Bags</h2>
 Specimen Transport vs. Waste/Autoclave Function Specimen transport bags (Globe Scientific catalog 4923&ndash;4950) are LDPE, zipper-locked, with a separate document pouch for the requisition form and a tear zone for rapid opening at the receiving lab. They are not rated for autoclaving. Autoclave bags (PP, 0.05 mm, 12&times;26 in. or 24&times;32 in.) withstand 121&ndash;136 &deg;C sterilization cycles and comply with OSHA 29 CFR 1910.1030 markings for biohazardous waste disposal. Size Selection for Specimen Transport Globe Scientific offers 6&times;9 in. (for blood tubes, urine cups, small specimens), 8&times;10 in. (for multiple tubes or swab collections), and 12&times;15 in. (for large containers, pathology specimens). The 6&times;9 in. bag with absorbent pad (catalog 4924) is the most common format for clinical specimen routing; the pad absorbs up to 10 mL of liquid in the event of tube breakage. Absorbent Pad Requirement IATA Dangerous Goods Regulations and the UN3373 Biological Substance Category B shipping requirements mandate an absorbent material sufficient to absorb the total liquid volume of the primary container. The 6&times;9 in. with absorbent pad format meets this requirement for standard tube shipments. Confirm pad absorbency against your primary container volume before use in P650 mailing kits. STAT vs. Standard Globe Scientific STAT bags (catalog 4950) are red-tinted 6&times;9 in. bags with a document pouch and tear zone &mdash; the red color alerts laboratory staff to prioritize the specimen. Use STAT bags for critical or time-sensitive specimens that bypass standard routing. Closure Type Zipper-closure bags allow repeated access and are used where the specimen may need to be resealed for courier transit. Glue-closure (tamper-evident seal) bags prevent re-opening and are preferred for chain-of-custody specimens (forensics, drug testing) and any application where tamper evidence is required.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific specimen transport bags are manufactured from LDPE with a printed biohazard symbol and special handling checkboxes. The 6&times;9 in. standard format (catalog 4923) and STAT format (4950) hold cases of 1,000 bags (100/pack &times; 10 packs). The 8&times;10 in. (4926) and 12&times;15 in. (4929) formats are cases of 1,000 and 500, respectively. Autoclave bags used for infectious solid waste must comply with OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030), which requires fluorescent orange or orange-red color-coding or a biohazard symbol on all containers holding regulated waste. Globe Scientific biohazard bags are manufactured under ISO 9001:2015 quality management standards. Bags are non-sterile; sterile transport systems for specimens requiring sterility assurance should use appropriately certified collection vessels inside the bag. 
For selection guidance, specifications, or bulk supply requirements, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">connect with the MBP team</a> to choose the right biohazard containment solution for your laboratory workflow.

Formalin Storage Bag

4971 by Globe Scientific is a 3-mil Saranex vapor-barrier formalin storage bag with a double-track liquid-tight zipper and preprinted biohazard symbol, formalin warnings, and emergency response block. Designed for safe long-term storage and transport of formalin-fixed tissue specimens. Available in 1,000-bag cases (250/pack × 4 packs).

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 3" x 6", 250/Pack, 4 Packs/Unit, CS/1000

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 7" x 8", 250/Pack, 4 Packs/Unit, CS/1000

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 9" x 12", 250/Pack, 4 Packs/Unit, CS/1000

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 12" x 12", 250/Pack, 4 Packs/Unit, CS/1000

Plastic Beakers

<h2 data-section-id="174q2lb" data-start="139" data-end="167">What Are Plastic Beakers?</h2>
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Plastic beakers are shatterproof cylindrical laboratory vessels manufactured from polypropylene (PP) or polymethylpentene (PMP), designed for safe and lightweight liquid handling in environments where glass breakage is a concern. Polypropylene (PP) is the most commonly used material due to its strong chemical resistance to dilute acids, bases, alcohols, and most aqueous reagents, along with autoclavability at 121&deg;C and permanently molded graduations that do not fade with use. Polymethylpentene (PMP) offers higher optical clarity and better heat tolerance, making it suitable for applications requiring visual monitoring of solutions. Choose PP plastic beakers for routine buffer preparation, aqueous reagents, teaching labs, and field use; choose glass beakers when working with organic solvents, high temperatures above ~135&deg;C, or when maximum optical clarity is required.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
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Options from 5mL for micro-work to 10,000mL for bulk prep.
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High-clarity polypropylene built for heavy reagent use.
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Options for Tri-corner beaker are also available.
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Molded-in graduations that never fade or rub off.
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Engineered for drip-free pouring and zero-waste transfers.
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Stock up with Case Packs or grab a single unit.
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</ul>
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<h2 data-section-id="149sszu" data-start="1054" data-end="1086">How to Choose Plastic Beakers</h2>
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Material: Polypropylene vs. Polymethylpentene
Polypropylene (PP) beakers are the standard choice in most laboratories because they are autoclavable at 121&deg;C, cost-effective, and resistant to a wide range of aqueous reagents including dilute acids and bases. They are typically translucent and designed for general-purpose laboratory workflows. Polymethylpentene (PMP) beakers, on the other hand, offer near-glass optical clarity (approximately 90% light transmission) and can tolerate higher temperatures up to around 175&deg;C, making them suitable for applications where visibility of the solution is important during mixing or heating.
Graduation Type: Molded-In
Plastic beakers at MBP feature molded-in graduations that are permanently embossed into the wall of the vessel. These markings remain legible even after repeated autoclaving, chemical exposure, and washing cycles, making them more durable than printed alternatives and ideal for long-term reuse.
Volume Range
MBP supplies plastic beakers in sizes ranging from 5 mL to 10,000 mL. Small-volume beakers (5&ndash;50 mL) are used for micro-scale reagent preparation, while mid-range sizes (250 mL&ndash;1,000 mL) are standard for routine buffer preparation. Large-capacity beakers (2,000&ndash;10,000 mL) are used for bulk reagent mixing, media preparation, and large-scale laboratory workflows.
Tri-Corner Beaker Option
Tri-corner (tri-pour) beakers are a specialized plastic format designed with three pour spouts for controlled dispensing and reduced dripping. These are commonly used in reagent distribution stations, waste handling, and workflows requiring frequent liquid transfer. They are typically made from polypropylene and complement standard round-form beakers.
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<h2 data-section-id="1jl751w" data-start="3281" data-end="3306">Specifications Context</h2>
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Polypropylene (PP) has a density of approximately 0.91 g/cm&sup3; and is chemically resistant to dilute acids (HCl, H₂SO₄), bases (NaOH, KOH), alcohols, and most aqueous buffers. However, it is not compatible with concentrated oxidizing acids (such as concentrated nitric or sulfuric acid) or halogenated organic solvents (such as chloroform, methylene chloride, or xylene). Molded graduations typically maintain an accuracy of &plusmn;5% of total capacity. PMP provides higher transparency and improved heat resistance compared to PP but is generally more expensive.
MBP stocks plastic beakers in a full range of sizes from 5 mL to 10,000 mL, including standard round-form and tri-corner designs for institutional laboratory use.
Upgrade to equipment that truly lasts the lab life. Look through our website and <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">contact the MBP team</a> for a quote to get lab supplies that won't let you down.

Four Pour Spout Beakers

3601 by Globe Scientific is a 5 mL disposable polystyrene beaker with four symmetrical pour spouts for drip-free liquid transfer in any orientation. Rated to 200°F (93°C), resistant to dilute acids, aqueous solutions, and alcohols. Supplied 1,000/case, ideal for atomic absorption, flame photometry, and general lab decanting.

Beaker, Disposable, PS, 5mL, CS/1000

Beaker, Disposable, PS, 10mL, CS/1000

Beaker, Disposable, PS, 20mL, CS/500

Beaker, Disposable, PS, 50mL, CS/500

Beaker, Disposable, PS, 150mL, CS/100

Beaker, Disposable, PS, 250mL, CS/100

Freezer Boxes

<h2 data-section-id="1k6bkqk" data-start="294" data-end="320">What Are Freezer Boxes?</h2>
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Freezer boxes are lidded storage containers with a numbered grid of individual wells designed to organize cryogenic vials, microcentrifuge tubes, and centrifuge tubes in ultra-low temperature (ULT) freezers, liquid nitrogen dewars, and vapor-phase cryogenic storage systems. Standard formats include 2-inch (51 mm) and 3-inch (76 mm) box heights, with common well configurations of 25-place (5&times;5), 81-place (9&times;9), and 100-place (10&times;10).
The 81-well, 2-inch freezer box is one of the most commonly used formats for storing 1.8&ndash;2.0 mL cryogenic vials in biobanking, pharmaceutical, and research laboratories. Cardboard and hard-wall freezer boxes are both suitable for ultra-low temperature storage, while polycarbonate and polypropylene boxes are preferred for applications requiring repeated handling and autoclaving.
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<h2 dir="ltr">What you will find:</h2>
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Polypropylene Freezer Boxes for 1.5mL and 2.0mL tubes
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High-capacity Freezer Boxes for 5.0mL midi tubes
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Universal Freezer Boxes with no wells for bulk storage
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Alphanumeric Indexed Storage Boxes for rapid tracking
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Conical-base supported Tube Racks for stability
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Moisture-resistant Frosted Writing Areas for labeling
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Autoclavable Cryogenic Boxes for sterile workflows
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Fully Assembled Storage Systems with secure lids
</li>
</ul>
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<h2 data-section-id="unvo09" data-start="1142" data-end="1172">How to Choose Freezer Boxes</h2>
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Material: Cardboard vs. Polycarbonate vs. Polypropylene
Cardboard freezer boxes with water-resistant coatings provide an economical solution for long-term storage in &minus;80&deg;C freezers and vapor-phase liquid nitrogen environments. These boxes are lightweight and disposable but are not autoclavable.
Polycarbonate (PC) freezer boxes feature transparent lids that allow sample identification without opening the box and can withstand autoclaving at 121&deg;C. Polypropylene (PP) freezer boxes also support autoclaving and offer enhanced chemical resistance. For frequently accessed sample collections, PC and PP boxes provide greater durability than cardboard alternatives.
Well Count: 81-Well vs. 100-Well
An 81-well (9&times;9) freezer box is typically designed for cryogenic vials up to approximately 13 mm outer diameter, making it suitable for most 1.8&ndash;2.0 mL cryovials.
A 100-well (10&times;10) freezer box accommodates smaller tubes up to approximately 12 mm outer diameter, including many 1.2&ndash;1.5 mL cryovials and standard microcentrifuge tubes, maximizing storage density within the same footprint.
Box Height: 2-Inch vs. 3-Inch
2-inch freezer boxes are commonly used for cryogenic vials up to 2 mL. Larger 3-inch boxes are designed for higher-capacity sample tubes, including 3&ndash;5 mL cryovials and selected centrifuge tube formats. When using mixed box heights within freezer racks or drawers, verify rack compatibility before purchasing.
Temperature Rating and Liquid Nitrogen Compatibility
Freezer boxes are available for storage temperatures as low as &minus;196&deg;C. Hard-wall polycarbonate and polypropylene boxes are generally preferred for demanding cryogenic applications and repeated handling. Cardboard freezer boxes are commonly used in vapor-phase liquid nitrogen storage and ultra-low temperature freezers.
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<h2 data-section-id="1jl751w" data-start="3663" data-end="3688">Specifications Context</h2>
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Freezer boxes are available in multiple materials, dimensions, and well configurations to accommodate a wide range of cryogenic vials and laboratory tubes. When selecting a freezer box, verify tube outer diameter, tube height, and storage requirements to ensure compatibility with the box well dimensions.
For complete cryogenic sample storage solutions, explore cryogenic vials and related cryogenic storage products designed for use in laboratory, biobanking, pharmaceutical, and clinical research environments.
Because "Oops" is not a valid result in your lab notebook. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Reach out to the experts at Molecular Biology Products Inc.</a> for a custom quote and stop leaving your samples' future to chance.

3055-Group-Tubes, Caps & Racks Catalog

Freezer Storage Boxes

Globe Scientific polypropylene freezer storage boxes (SKU 3055) — 50-position (5×10) with alphanumeric indexing (A–E, 1–10) for 1.5 mL, 2.0 mL microcentrifuge tubes, 5 mL midi tubes, sample tubes, and cryogenic vials. Rated -196°C to +121°C. Autoclavable, conical tube positions, frosted writing surface. Fully assembled with lid included.

Freezer Box (no wells or slots), 139.7 x 71.1 x 53.0mm, CS/20

Freezer Box for 1.5mL and 2.0mL Microcentrifuge Tubes, 50-place (5 x 10 format), with Lid, Clear , CS/20

Freezer Box for 5.0mL Microcentrifuge Tubes, 21-place (7 x 3 format), with Lid, Clear , CS/20

<h2 data-section-id="k59sk3" data-start="0" data-end="52">What are transformation kits and competent cells?</h2>
&nbsp;
Transformation kits and competent cells consist of E. coli strains prepared to take up exogenous plasmid DNA, either through chemical competence (calcium chloride treatment, transformed via heat shock) or electrocompetence (transformed via electroporation), along with associated transformation buffers and protocols. Related entities include transformation efficiency (transformants per microgram), heat-shock and electroporation methods, strain genotype (recA, endA deficiency for plasmid stability), and downstream plasmid recovery for sequencing or transfection.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li>Mix &amp; Go! Transformation Kits, rapid protocols for preparation of competent E. coli in&nbsp;</li>
<li>ProClone&trade; Competent Cells with optimized E. coli strains for cloning and library generation.</li>
<li>Specialized Competent E. coli Strains ready-made JM109, DH5 Alpha, and Zymo 10B cells for regular and complex assembly.</li>
<li>Autolysis Competent Cells: designed for simplified cell lysis and streamlined protein expression using XJa and XJb strains</li>
<li>Frozen-EZ Yeast Transformation Kits for genetic manipulation of yeast strains.</li>
</ul>
&nbsp;
<h2 data-section-id="1ld88i5" data-start="812" data-end="876">How to choose transformation kits and competent cell products</h2>
&nbsp;
Chemically competent vs. electrocompetent cells
Chemically competent cells use a heat-shock protocol and are generally easier to handle for routine cloning, while electrocompetent cells require an electroporator but can achieve higher transformation efficiency for large plasmids, low-copy constructs, or DNA with modifications that reduce chemical transformation efficiency.
General cloning strains vs. protein expression strains
General cloning strains are selected for high transformation efficiency and genetic features (such as recA and endA deficiency) that improve plasmid stability and quality for downstream sequencing, while protein expression strains carry features supporting recombinant protein production, such as T7 RNA polymerase expression for IPTG-inducible systems; using a cloning strain for protein expression (or vice versa) generally gives suboptimal results.
Transformation efficiency requirements
Routine cloning of standard-sized plasmids works well with competent cells rated at 10^6&ndash;10^8 transformants per microgram, while ligation reactions with very low DNA concentrations (such as multi-fragment seamless assembly products) may benefit from higher-efficiency cells rated above 10^8 transformants per microgram.
Transformation kits may include a positive control plasmid and competent cells for validating transformation efficiency before using precious experimental DNA; this is particularly useful when troubleshooting low transformation yields to distinguish competent cell quality issues from ligation or assembly reaction issues.
&nbsp;
<h2 data-section-id="1fljvas" data-start="3947" data-end="3972">Specifications context</h2>
&nbsp;
Competent cell transformation efficiency is reported in transformants per microgram of standard control plasmid DNA, with general cloning strains commonly rated at 10^6&ndash;10^8 and high-efficiency formulations exceeding 10^8 transformants per microgram. Cells are typically supplied as frozen aliquots (e.g., 50&ndash;100 microliters per tube) for single-use transformations, shipped on dry ice and stored at -80&deg;C, with repeated freeze-thaw substantially reducing efficiency.&nbsp;
This sub-category is part of MBP's cloning catalog alongside ligation independent cloning kits and chemicals/reagents, the upstream steps of a cloning workflow. Labs producing custom lentivirus for immortalization can also review MBP's cell immortalization catalog. MBP's specialist team can help confirm strain genotype and transformation efficiency requirements for a specific cloning or expression project before order placement.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today and get high-quality transformation kits and competent cells for your lab.

Transformation Kits & Competetent Cells

MSDS

Protocol

Frozen-EZ Yeast Transformation II™ Kit (120 Rxns.)

The Frozen-EZ Yeast Transformation II&trade; Kit (T2001) by Zymo Research delivers 105&ndash;106 transformants/&micro;g plasmid DNA across four yeast species in under 15 minutes of hands-on preparation and without a spheroplast step. The 120-reaction kit stores at 0&ndash;4&deg;C; prepared competent cells remain stable for &ge;1 year at &le;&minus;70&deg;C.
Compatible species: Saccharomyces cerevisiae, Candida albicans, Schizosaccharomyces pombe, and Pichia pastoris. No carrier DNA required.
MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA. Order via <a href="https://www.mbpinc.net/quickorder">Quick Order</a> or contact <a href="mailto:customerservice@mbpinc.net">customerservice@mbpinc.net</a>.

Competent Cell Stability

Processing Time

Product Storage

Transformation DNA Input

Transformation Efficiency

Shipping Condition

Storage Condition

PCR Plates

<h2 data-path-to-node="3">What Are PCR Plates?</h2>
 PCR plates are single-use, thin-wall polypropylene multi-well vessels designed for the thermal cycling demands of PCR, qPCR, RT-PCR, and genotyping. The 96-well format (12 columns &times; 8 rows) is the standard for most research and clinical labs; 384-well plates serve ultra-high-throughput applications. Well volumes are 0.2 mL (standard profile) for conventional block cyclers or 0.1 mL (low profile) for fast-block instruments. The skirt &mdash; the rigid plastic border surrounding the well array &mdash; determines automation compatibility, cycler lid clearance, and plate rigidity.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1xmdc3x" data-start="0" data-end="87"><a href="https://mbpinc.net/consumables/pcr-consumables/pcr-plates/semi-skirted-plates">Semi-skirted PCR plates: </a>for a balance of plate rigidity and instrument compatibility.</li>
<li data-section-id="y5pq2h" data-start="89" data-end="156"><a href="https://mbpinc.net/consumables/pcr-consumables/pcr-plates/hard-shell-pcr-plates">Hard shell PCR plates: </a>designed with a reinforced plate structure.</li>
<li data-section-id="8t808z" data-start="158" data-end="243"><a href="https://mbpinc.net/consumables/pcr-consumables/pcr-plates/skirted-pcr-plates">Skirted PCR plates:</a> featuring a full peripheral skirt for enhanced handling support.</li>
<li data-section-id="1d0aj4c" data-start="245" data-end="343" data-is-last-node=""><a href="https://mbpinc.net/consumables/pcr-consumables/pcr-plates/non-skirted-pcr-plates">Non-skirted PCR plates:</a> with a compact design for applications requiring minimal plate footprint.</li>
</ul>
&nbsp;
<h2 data-path-to-node="3">How to Choose PCR Plates</h2>
 Skirt Format Fully-skirted plates have a full-height ANSI/SBS-compliant border (127.76 &times; 85.47 mm footprint) and are required for robotic liquid handlers (Hamilton STAR, Tecan EVO, PerkinElmer JANUS) and automated stackers. Semi-skirted plates have a partial skirt providing enough rigidity for multichannel pipetting while maintaining thermal cycler block compatibility across a wider range of instruments. Non-skirted plates have no border and fit virtually any cycler block, including instruments whose compression lids would be obstructed by a full skirt. Well Profile: Standard vs Low-Profile Standard-profile 0.2 mL wells are used with conventional (tall) block cyclers. Low-profile 0.1 mL wells are required for fast-block instruments, including the Applied Biosystems QuantStudio, Bio-Rad CFX96 Fast, and Roche LightCycler 480, where the reduced well depth shortens the thermal path to the sample. Colour: Clear, White, or Black Clear plates allow visual inspection of well volumes and are the default for end-point PCR. White plates increase qPCR sensitivity in bottom-read optical systems by reflecting fluorescence emission back through the detector. Black plates reduce background fluorescence in probe-based assays where cross-well optical interference is a concern. Sealing Compatibility Skirted and semi-skirted plates seal reliably with adhesive films and heat sealers; the rigid skirt supports even film application and reduces edge-well evaporation. Non-skirted plates require cap mats or adhesive seals that adhere directly to the well rim. 
<h2 data-path-to-node="3"> Specifications Context</h2>
 PCR plates are moulded from virgin, low-extractable medical-grade polypropylene; well walls are uniformly thin (typically 0.25&ndash;0.35 mm) to maximise thermal conductivity. ANSI/SBS footprint standard (127.76 &times; 85.47 mm) applies to skirted plates for instrument interoperability. Plates are certified DNase-free, RNase-free, human DNA-free, and PCR inhibitor-free per lot. Cut corners (typically at H1/A12 position) and alpha-numeric well labelling aid plate orientation.Thermo Fisher SuperPlate skirted formats are the leading references for robotic applications; semi-skirted plates from Sorenson and equivalent lines serve the broad research market.&nbsp; 
<a href="https://mbpinc.net/contact-us">Connect with the MBP team </a>today to request a quote and find the perfect PCR plate configuration for your lab's specific needs.

<h2 data-path-to-node="1"> What Are Skirted PCR Plates?</h2>
 Skirted PCR plates are 96-well polypropylene thermal cycling plates with a full-height plastic border &mdash; the skirt &mdash; surrounding the well array. The skirt raises the overall plate height to match the ANSI/SBS microplate footprint standard (127.76 &times; 85.47 mm external dimensions), creating a uniform grip surface that robotic arms, plate grippers, and automated stackers can handle reliably. They are the required format for liquid-handling automation platforms and high-throughput PCR workflows where consistent plate positioning is critical. Choose fully skirted plates when your workflow involves robotic liquid handling, automated stackers, or plate readers requiring SBS-compliant positioning.
&nbsp;
<h2 data-path-to-node="4">What You Will Find: </h2>
<ul data-path-to-node="5">
<li>
Hard Shell 384-well PCR Plates<a href="https://www.google.com/search?q=https://mbpinc.net/product-category/consumables/pcr-consumables/pcr-plates/hard-shell-pcr-plates/" style="color: #000000;"> </a>&ndash; The industry standard for high-throughput screening and automated liquid handling.
</li>
<li style="color: #000000;">
Hard Shell 96-well PCR Plates &ndash; Combining rigidity with a 96-well format for routine yet high-precision workflows.
</li>
<li style="color: #000000;">
Globe Scientific Full Skirt PCR Plates &ndash; Reliable, automation-friendly plates designed for consistent thermal cycling.
</li>
<li style="color: #000000;">
Full Skirt PCR Plates<a _ngcontent-ng-c3793280901="" target="_blank" rel="noopener" externallink="" _nghost-ng-c3773094726="" jslog="197247;track:generic_click,impression,attention;BardVeMetadataKey:[[&quot;r_98f8600e63dbeb30&quot;,&quot;c_c4e8a23c27447c36&quot;,null,&quot;rc_fa92ce727d8e45fc&quot;,null,null,&quot;en&quot;,null,1,null,null,1,0]]" href="https://www.google.com/search?q=https://mbpinc.net/product-category/consumables/pcr-consumables/pcr-plates/skirted-pcr-plates/" class="ng-star-inserted" data-hveid="0" decode-data-ved="1" data-ved="0CAAQ_4QMahgKEwjZx-625v-TAxUAAAAAHQAAAAAQsAQ" style="color: #000000;"></a> &ndash; Features a full perimeter skirt for superior stability and easy gripping during automated handling.
</li>
<li style="color: #000000;">
96-well Duo Material PCR Plate&ndash; Engineered with dual-material technology to eliminate plate warping and bowing.
</li>
<li style="color: #000000;">
Skirted 96 Plate, Non-Sterile, Clear Polypropylene<a href="https://mbpinc.net/product/skirted-96-well-plate-28440-5" title="Skirted 96 Plate, Non-Sterile, Clear Polypropylene" style="color: #000000;"> </a>&ndash; A durable and cost-effective solution for high-volume lab processing.
</li>
</ul>
<h2 data-path-to-node="1"> How to Choose Skirted PCR Plates</h2>
 Well Profile: Low-Profile vs Standard Low-profile 0.1 mL wells are the current default for skirted qPCR plates; the reduced well depth minimises dead volume and supports faster thermal ramp rates on fast-block instruments, including Bio-Rad CFX96 Fast, Applied Biosystems QuantStudio, and Roche LightCycler 480. Standard-profile 0.2 mL wells are used with conventional tall-block cyclers and maximise reaction volume capacity. Colour: Clear, White, or Black Clear skirted plates are the standard for visual inspection and top-read fluorescence systems. White plates increase qPCR sensitivity by up to 2-fold on bottom-read optical configurations by reflecting fluorescence emission back through the detector. Black plates reduce inter-well optical crosstalk in probe-based assays where background fluorescence must be minimised. Two-Component vs One-Component Construction One-component (single polypropylene) skirted plates are cost-effective for general use. Two-component designs combine a polypropylene well array with a polycarbonate skirt to eliminate plate warping at high cycling temperatures, enabling precise robotic positioning even after repeated thermal stress. Barcoding Barcoded skirted plates support LIMS integration and automated sample tracking across multi-step workflows. Barcodes are typically laser-etched (permanent) or adhesive-applied; confirm barcode type before integrating with your lab information management system. Cut Corner Orientation A cut corner at the H1 position (standard) or A12 position aids correct plate orientation in cyclers and liquid handlers. Confirm the required cut corner with your instrument's loading specification. 
<h2 data-path-to-node="1"> Specifications Context</h2>
 Skirted PCR plates conform to ANSI/SBS (also called ANSI/SLAS 1-2004) footprint standards: 127.76 &times; 85.47 mm with 9 mm well spacing. Well walls are uniformly thin (0.25&ndash;0.35 mm) virgin polypropylene; maximum well volume with adhesive film seal is 0.2 mL for standard and 0.1 mL for low-profile formats. Certified DNase-free, RNase-free, human DNA-free, and PCR inhibitor-free per independent lot testing. Thermo Scientific SuperPlate are the leading references for demanding automation applications. Last updated: June 2026.
 If you need help picking the right plate for your system, <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">the MBP team</a> can guide you based on your setup and workflow.

Skirted PCR Plates

DataSheet

NEST PCR Plates

PCR Plates, Full Skirt

Full skirt PCR Plates

The 402521 by NEST Scientific is a 96-well, 0.1 mL full-skirt PCR plate molded from USP Class VI virgin polypropylene in an ISO 7 cleanroom. H1 notch orientation, sterile, and lot-tested DNase-, RNase-, and human-DNA-free. Clear format compatible with fluorescence detection from above or below; white-well version also available. Compatible with 50+ thermal cycler models.

0.1 mL 96 Well PCR Plate, Full Skirt, Clear, H1 Notch, Sterile, 5/bag, 25/pk, 100/cs

0.1 mL 96 Well PCR Plate, Full Skirt, White, H1 Notch, 5/bag, 25/pk, 100/cs

0.1ml 96 Well PCR Plate, Full Skirt, Clear, H1 notch, 25/pk, 100/cs

40 μl 384Well PCR Plates, full Skirt, Compatible with Roche Machine, White Frame, A24+P24 Notch,White, Sterile,10/pk, 50/cs

40 μl 384Well PCR Plates, full Skirt, Compatible with Roche Machine, White Frame, A24+P24 Notch,White, 10/pk, 50/cs

<h2>What are PCR and molecular assays for microbiomics?</h2>
&nbsp;
PCR and molecular assays in this category use quantitative PCR (qPCR) or digital PCR to measure the copy number of a defined DNA target, most often the 16S rRNA gene, to determine total bacterial load in a sample, or a specific pathogen or functional gene target for detection purposes. Unlike 16S or shotgun sequencing, which characterize the full taxonomic or functional composition of a community, these molecular assays provide a faster, more targeted quantitative or presence/absence readout for a specific question.
&nbsp;
<h2 dir="ltr">What you will discover:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Femto&trade; Quantification Kits: Highly sensitive systems engineered for the detection of human, bacterial, or fungal DNA at the femtogram level with negligible sequence bias.
</li>
<li dir="ltr" aria-level="1">
High-Fidelity qPCR Premixes: Tailored master mixes designed for effective amplification and enhanced nuclear signal localization in low-biomass samples.
</li>
<li dir="ltr" aria-level="1">
Certified DNA Standards: Reference materials tested for reproducibility and No Template Controls (NTC) designed to calibrate the linear dynamic range and avert background contamination.
</li>
<li dir="ltr" aria-level="1">
ZymoTaq&trade; Specialized Polymerases: Enzymes that are heat-activated and free of nucleases, crafted to minimize non-specific amplification and guarantee high specificity in workflows associated with CRISPR.
</li>
</ul>
&nbsp;
<h2>How to choose PCR and molecular assays</h2>
&nbsp;
Use total bacterial load qPCR to screen samples before sequencing
A qPCR assay targeting the 16S rRNA gene quantifies total bacterial content in a sample, providing a useful pre-sequencing check for low-biomass samples likely to produce poor amplification or unreliable sequencing results if processed without this screening step.
Decide between qPCR and digital PCR based on sensitivity needs
Digital PCR can offer higher sensitivity and more accurate quantification than standard qPCR, particularly for low-biomass samples at the limit of detection, though at the cost of longer processing time, generally a meaningful tradeoff only when standard qPCR proves insufficient.
Confirm your qPCR assay design addresses known technical pitfalls
Well-designed 16S qPCR assays address known issues like self-priming or mispriming of unintended targets, amplification bias from non-optimal primer coverage, and amplicon size constraints for compatibility with clinical or high-throughput qPCR platforms.
Use pathogen-specific or functional gene qPCR for targeted detection
Beyond total bacterial load, qPCR can target a specific pathogen's single-copy gene or a functional gene of interest, such as an antibiotic resistance gene, providing a faster, more targeted answer than waiting for full sequencing and bioinformatic analysis.
Plan for known PCR limitations in environmental and clinical samples
Standard qPCR can be limited by reliance on standard reference materials for quantification and is prone to inhibition from substances naturally present in environmental or clinical samples, such as heavy metals or organic matter, which digital PCR can sometimes overcome with improved robustness.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
A PCR-based total bacterial quantification assay can provide an exact calculation of bacterial abundance useful for assessing whether a sample is likely to yield positive amplification before committing it to full sequencing, helping avoid wasted sequencing runs on low-biomass samples. As of 2026, digital PCR continues to see increased adoption over standard qPCR specifically for low-biomass, environmental, or inhibitor-prone sample types, where its improved sensitivity and accuracy can outweigh its longer processing time.
<a href="https://mbpinc.net/contact-us">Reach out to the expert team at MBP Inc.</a> now to ask for a quote on the appropriate PCR and molecular assays for your laboratory.

PCR & Molecular Assays

Fungal DNA Standards and No Template Control (#1-8)

E2007-2 by Zymo Research is the Fungal DNA Standards and No Template Control replacement set for the Femto™ Fungal DNA Quantification Kit (E2007). Contains 8 tubes × 50 µL: seven 10-fold serial dilution standards (20 ng to 0.00002 ng fungal DNA) plus a No Template Control for contamination detection.