Brands

Universal Centrifuge Accessories

<h2>What Are Universal Centrifuge Accessories?</h2>
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Universal centrifuge accessories are the interchangeable components that determine the range of applications a universal centrifuge can perform. These include swing-out rotor buckets for blood tubes, conical tubes, microplates, and large bottles; fixed-angle rotors for high-speed pelleting; hematocrit and cytospin rotors; tube adapters; and aerosol-tight bio-containment lids. Selecting the appropriate accessories allows a single centrifuge to support multiple laboratory workflows efficiently and safely.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
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Tube adapters and inserts for compatibility with multi-volume samples&nbsp;
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Fixed-angle and swing-out rotors for varied centrifugation applications
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Lids and sealed buckets for safe and reliable operations
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PCR adapters and microplate carriers for high-throughput workflows
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Centrifuge tubes, holders, and supporting aids for efficient and complete setups
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</ul>
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<h2>How to Choose Universal Centrifuge Accessories</h2>
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Swing-Out Bucket Selection by Application
Choose swing-out buckets according to the sample formats used in your laboratory. Blood tube buckets support routine clinical applications, conical tube buckets are suitable for cell culture and molecular biology, microplate carriers enable high-throughput workflows, and large-bottle carriers accommodate large-volume sample processing.
Fixed-Angle Rotors
Fixed-angle rotors provide higher centrifugal forces for microtube, PCR tube, and small-volume sample processing. Ensure that both the rotor and centrifuge motor specifications support the required operating speeds and sample formats.
Cytospin Clip Rotors
Cytospin rotors are designed for preparing microscope slides from low-cellularity samples such as body fluids. Verify compatibility with the required funnel sizes and use bio-containment features when processing potentially infectious materials.
Bio-Containment Lids
Aerosol-tight lids help contain biological samples during centrifugation and support safe laboratory practices. Regular inspection of sealing components and O-rings ensures reliable containment and long-term performance.
Reducing Adapter Inserts
Adapter inserts allow smaller tubes to fit securely within larger bucket positions. Using properly matched adapters improves balance, prevents movement during operation, and helps maintain consistent centrifugation results.
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<h2>Specifications Context</h2>
&nbsp;
Modern universal centrifuge systems support interchangeable accessory configurations that enable rapid transitions between clinical, research, cell culture, and cytology workflows. Swing-out buckets, fixed-angle rotors, and microplate carriers provide flexibility while maintaining compatibility with a broad range of vessel formats.
Routine inspection and maintenance of accessories, including adapters, lids, and sealing components, help ensure safe operation and extend equipment lifespan. Advances in bio-containment systems and modular rotor designs continue to improve laboratory efficiency and versatility.
Time to upgrade your universal centrifuge accessories. <a href="https://mbpinc.net/contact-us">Contact the expert team </a>of Molecular Biology Products Inc. (MBP) and the find perfect match today.

Lid for Z446-MP-BUK 2/pk

Z446-MP-LID by Hermle / Benchmark Scientificis a replacement sealing lid for the Z446-MP-BUK rectangular microplate bucket, sold 2 per pack. Compatible with the Z446-750-AC swing-out rotor on the Hermle Z446 High-Capacity Centrifuge (up to 16,000&nbsp;rpm), this lid seals microplates during centrifugation to prevent evaporation and contamination in cell-based assay and screening workflows.

Manufacture

ELISA Plates

<h2 data-section-id="471ror" data-start="0" data-end="25">What Are ELISA Plates?</h2>
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ELISA plates are specialized 96-well flat-bottom polystyrene microplates designed specifically for enzyme-linked immunosorbent assays (ELISA) and related immunodetection applications. Each well features a surface treatment that promotes efficient adsorption of proteins such as capture antibodies and antigens, creating a stable solid-phase platform for binding, washing, detection, and signal generation steps within an ELISA workflow.
These plates are engineered with optical-grade flat bottoms to provide accurate absorbance, fluorescence, or luminescence measurements and conform to SBS/ANSI microplate standards, ensuring compatibility with automated plate washers, liquid handling systems, incubators, and microplate readers. Typical well capacities range from 300&ndash;400 &micro;L, making them suitable for both manual and high-throughput laboratory testing.
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<h2 dir="ltr">At MBP, you can find:</h2>
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<ul>
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96 Well ELISA Plates with high-optic clarity for precise readings
</li>
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Microtitration 96-Well Plates for versatile incubation and testing
</li>
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Lids for Microtitration Plates available in sterile and non-sterile options
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Standard 12x8 configuration plates for easy workflow integration
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Alpha-numeric indexed wells for accurate sample tracking
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Polystyrene assay plates optimized for antigen-antibody complexes
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Surface-treated plates for reliable in-vitro diagnostic results
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Clear-bottom plates for enhanced signal detection
</li>
</ul>
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<h2 data-section-id="10hv8xq" data-start="1101" data-end="1130">How to Choose ELISA Plates</h2>
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Surface Binding Capacity
The surface binding characteristic is one of the most important selection criteria. High-binding plates are the standard choice for sandwich ELISA, indirect ELISA, and most commercial assay kits because they efficiently immobilize antibodies and antigens. Medium-binding plates are better suited for smaller proteins and peptides that may lose activity on highly adsorptive surfaces. Ultra-high-binding plates are available for low-abundance biomarker detection where maximum protein capture improves assay sensitivity.
Plate Color
Plate color should be matched to the assay detection method. Clear plates are the industry standard for colorimetric ELISA assays using substrates such as TMB that are measured at 450 nm. White plates enhance signal intensity in chemiluminescent assays by reflecting emitted light, increasing sensitivity. Black plates minimize background fluorescence and light scatter, making them ideal for fluorescence-based ELISA and immunoassay applications.
Detachable vs. Solid-Frame Format
Detachable strip plates contain individual 8-well strips that can be removed and used independently. This format reduces reagent consumption and lowers costs when processing fewer than 96 samples. Solid-frame plates provide greater structural rigidity and are preferred for automated workflows involving robotic washers and readers where consistent positioning is critical.
Lot Consistency and Quality Control
For validated methods, regulated environments, and diagnostic applications, consistent plate performance is essential. Laboratories should consider plates supplied with lot-specific quality documentation and low well-to-well variation. Parameters commonly evaluated include protein-binding capacity, background absorbance, and coefficient of variation (CV) across wells and manufacturing lots.
Instrument Compatibility
Most ELISA plates are manufactured to standard SBS dimensions and are compatible with major microplate readers and automated washers. Laboratories using automated systems should verify compatibility with specific washer manifolds, readers, and robotic platforms, particularly when using detachable strip formats.
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<h2 data-section-id="1jl751w" data-start="4234" data-end="4259">Specifications Context</h2>
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ELISA plates are typically manufactured from high-quality USP Class VI polystyrene and undergo specialized surface treatment to achieve consistent protein adsorption across all wells. Standard 96-well formats generally provide working volumes of approximately 300 &micro;L per well and include alphanumeric indexing to support sample tracking and laboratory workflow management.
High-binding ELISA plates commonly achieve protein adsorption capacities exceeding 400 ng IgG/cm&sup2;, while ultra-high-binding variants may approach 800 ng/cm&sup2;. These characteristics help ensure strong analyte capture and reproducible assay performance across research, clinical, pharmaceutical, biotechnology, and diagnostic laboratories.
The MBP range provides the mechanical strength and surface consistency required to ensure your high-stakes diagnostic data that must remain error-free. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Contact us</a> and get your quote now.

Lids for Microtitration Plates, PS

129930 by Globe Scientific is a clear polystyrene lid for 96-well microtitration plates, compatible with Globe Scientific 120030 and 120330 microtest plates and standard SBS 96-well formats. Available sterile or non-sterile; supplied 150 per case. Suitable for ELISA incubations, cell culture, and microbiology plate assays.

Lid, for Microtest Plates, PS, 150/Cs

Lid, for Microtest Plates, PS, STERILE, Individually Wrapped, 150/Cs

<h2>What are bisulfite conversion reagents and buffers?</h2>
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Bisulfite conversion reagents include sodium bisulfite solution, denaturation and conversion buffers, and complete kits that bundle all components needed for the three-step chemical reaction: sulfonation of cytosine to a cytosine-bisulfite derivative, hydrolytic deamination to a uracil-bisulfite derivative, and alkali desulfonation to yield uracil. This process converts unmethylated cytosines to uracil while leaving 5-methylcytosine intact and unconverted, because 5-methylcytosine resists bisulfite-mediated deamination under standard conditions.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">RNA and DNA conversion reagents for enhanced modification of cytosine in methylation workflows</li>
<li dir="ltr" role="presentation">Desulphonation buffers for stabilization of nucleic acids and post-conversion cleanup&nbsp;</li>
<li dir="ltr" role="presentation">Binding buffers used during purification for efficient capture of converted RNA and DNA</li>
<li dir="ltr" role="presentation">Wash buffers for the removal of inhibitors and improved purity of samples</li>
<li dir="ltr" role="presentation">Elution buffers for high-quality recovery of converted nucleic acids</li>
<li dir="ltr" role="presentation">DNA denaturing and digestion buffers for controlled workflow and optimized conversion efficiency</li>
<li dir="ltr" role="presentation">Dilution and reaction buffers for maintaining stable assay conditions</li>
<li dir="ltr" role="presentation">Solubilization and dissolution buffers for sample processing and preparation&nbsp;</li>
<li dir="ltr" role="presentation">Lightning conversion reagents for efficient and rapid methylation analysis workflows</li>
</ul>
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<h2>How to use bisulfite conversion reagents</h2>
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Ensure complete DNA denaturation before conversion to avoid incomplete conversion
Bisulfite only acts on cytosines in single-stranded DNA, so complete denaturation of the input DNA is the most critical first step, since failure to fully denature can leave double-stranded regions in which cytosines are shielded from the bisulfite reagent and remain unconverted.
Understand that incomplete conversion produces false-positive methylation results
If the conversion is incomplete, unconverted unmethylated cytosines will read as cytosine after sequencing, which will be incorrectly interpreted as methylated cytosine, artificially inflating the apparent methylation level of the sample in a false-positive direction.
Optimize conversion conditions to balance completeness against DNA degradation
The harsh conditions needed for complete bisulfite conversion, including high bisulfite concentration, elevated temperature, and long incubation, also fragment and degrade DNA, and optimizing conditions that achieve high conversion while minimizing degradation is a key technical challenge in bisulfite workflows.
Include an unmethylated conversion control to estimate residual incomplete conversion
Including an unmethylated control DNA, such as lambda phage DNA, in the same conversion reaction provides a readout of how completely unmethylated cytosines were converted, helping quantify residual incomplete conversion rates and account for them in downstream analysis.
Be aware of specific challenges for FFPE and degraded DNA samples
Formalin-fixed, paraffin-embedded tissue DNA is already fragmented before bisulfite treatment, and the additional fragmentation during conversion can result in poor library yields; specific modified protocols and carrier reagents can help reduce further degradation during the conversion step.
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<h2>Specifications context</h2>
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Bisulfite sequencing is widely regarded as the gold standard for DNA methylation analysis due to its high resolution and accuracy at single-base level, but it also introduces specific DNA quality challenges for downstream library preparation and sequencing, particularly for samples already of poor quality like FFPE tissue. As of 2026, enzymatic conversion is increasingly recommended as the preferred alternative to bisulfite conversion specifically because it achieves comparable discrimination between methylated and unmethylated cytosines while minimizing the DNA damage and library complexity loss that harsh bisulfite chemistry introduces.
This category sits within DNA/RNA Methylation under Epigenetics, and for a synthetic, fully methylated positive control to run through the conversion workflow, see dNTPs (Deoxynucleotide Triphosphates). See the full reagents catalog and use Quick Order for recurring orders.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP and request a quote today to get high-quality bisulfite conversion reagents for your lab.

Bisulfite Conversion Reagents & Buffers

MSDS

Lightning Conversion Reagents

D5030-1 by Zymo Research — Lightning Conversion Reagent; 1.5 mL ready-to-use; &gt;99.5% bisulfite conversion efficiency; 100 pg–2 µg DNA input; 98°C 8 min / 54°C 60 min protocol; room temperature storage.

Manufacturer

Shipping Condition

Storage Condition

Lightning Conversion Reagent (1 Tube) (1.5 ml)

Lightning Conversion Reagent (15 ml)

<h2>What are microbial and environmental DNA isolation kits?</h2>
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Microbial and environmental DNA isolation kits purify DNA from soil, sediment, freshwater, marine water, feces, and other complex environmental matrices using lysis and purification chemistry designed to remove humic acids, metal compounds, and other inhibitors that interfere with PCR and sequencing, supporting 16S/18S rRNA amplicon profiling and shotgun metagenomic sequencing. Related entities include "kitome" and "splashome" contamination controls, alpha diversity and microbial community composition analysis, and compatibility with both short-read (Illumina) and long-read (Oxford Nanopore) sequencing platforms. Choose a kit validated for your specific sample matrix (soil, sediment, water, or feces), since benchmarking studies consistently show kit performance varies by matrix rather than one kit being universally best.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" role="presentation">Spin-column fungal and bacterial kits for rapid DNA purification using rapid silica-membrane technology&nbsp;</li>
<li dir="ltr" role="presentation">Parallel extraction of soil, fecal, and environmental samples using high-throughput 96-well microplates&nbsp;</li>
<li dir="ltr" role="presentation">Automated&nbsp; purification of complex microbial and environmental specimens using Magnetic bead isolation systems</li>
<li dir="ltr" role="presentation">Scalable microprep and midiprep columns tailored for concentrated low-volume elution demands and diverse sample inputs</li>
</ul>
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<h2>How to choose a microbial and environmental DNA isolation kit</h2>
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Matrix-specific kit performance
Benchmarking studies comparing multiple commercial kits across sediment, water, soil, oyster gut microbiome, and mammalian feces have found that the best-performing kit varies by matrix - kits ranked highly for sediment did not necessarily perform best for water or host-associated samples. Rather than assuming a single "universal" kit, match your kit choice to published benchmarking results for your primary sample type where available.
Inhibitor removal for downstream PCR and sequencing
Environmental samples, especially sediments and soils, contain organic and metal compounds that inhibit PCR amplification if not removed during extraction; kits designed for these matrices integrate inhibitor-removal steps as part of the standard protocol. If your samples have historically produced low PCR amplification efficiency with general-purpose kits, an environmental-matrix-specific kit with built-in inhibitor removal is the first thing to evaluate.
Short-read vs. long-read sequencing compatibility
For long-read metagenomic sequencing, DNA fragment length and integrity from the extraction kit directly affect achievable read lengths, though longer extracted fragments don't always translate consistently into longer sequencing reads - kit choice affects both fragment length and downstream classification rate and reproducibility. If long-read metagenomics is your goal, prioritize kits with published long-read benchmarking data over kits validated only for short-read amplicon work.
Contamination control (kitome/splashome)
Kit-derived contamination ("kitome") and cross-sample contamination during processing ("splashome") can affect microbial community composition results, particularly for low-biomass samples; benchmarking studies evaluate kits specifically for these contamination sources alongside yield and diversity metrics. For low-biomass environmental samples, prioritize kits with documented low kitome contamination in published comparisons.
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<h2>Specifications context</h2>
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The key specs for microbial and environmental DNA isolation are matrix-specific validation (soil vs. sediment vs. water vs. feces), built-in inhibitor removal for PCR-ready output, and fragment length/integrity for long-read sequencing compatibility where relevant. Since benchmarking studies repeatedly show no single kit performs best across all matrices, identifying your primary sample type before selecting a kit is the most impactful decision. Labs running metagenomic surveys across multiple matrices (e.g., soil and water from the same field site) often need separate matrix-optimized kits rather than a single universal kit. The parent <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna">genomic DNA extraction kits hub</a>&nbsp;links to related sample-type categories, including&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna/insect">insect genomic DNA kits</a>&nbsp;and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna/plant">plant genomic DNA kits</a>&nbsp;for organism-associated environmental work, and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/high-molecular-weight-dna">high molecular weight DNA kits</a>&nbsp;for long-read metagenomics requiring larger fragment sizes. For cell-free DNA in environmental water samples (eDNA detection), see&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/cell-free-dna">cell-free DNA kits</a>.&nbsp;
<section class="mbp-contact-cta">
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MBP's specialist team can help match kit chemistry, format, and throughput to your sample type and downstream application.&nbsp;<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> for personalized guidance.
</section>

Microbial & Environmental DNA Isolation

D4311-Data Sheet

Protocol

Quick Protocol

Load N’ Go ZymoBIOMICS DNA MagBead (96 preps)

D4311 by Zymo Research: Load N' Go™ ZymoBIOMICS™ DNA MagBead Kit, 96 preps. Pre-filled reagent plates — load samples and run. 5 µg binding capacity; 100 µl elution; 15–20 kb DNA; 75% hands-on time reduction. Compatible with KingFisher, Tecan Fluent, Hamilton, and Opentrons OT-2. Made in USA.

Bead Beating System

Bioburden

DNA Integrity

DNA Purity

DNA Recovery

Sample Sources

Loading adapter for Z496-500-BLD, 2/pk

Z496-500-ADP by Hermle is the loading adapter for the Hermle Z496-500-BLD 500 mL blood bag bucket used on the Z496K ultra high-volume floor centrifuge (2 adapters per pack). It ensures correct, secure positioning of blood bags within the swing-out bucket during centrifugation. Latex-free, made in Germany.

Loading adapter for Z496-750-BLD, 2/pk

The Z496-750-ADP by Hermle is a loading adapter for the Z496-750-BLD (750 mL blood bag) swing-out rotor bucket on the Hermle Z496 Ultra High-Volume Floor Centrifuge, supplied as a pack of two. It positions and secures blood bags or large sample containers within the bucket cavity for safe, balanced centrifugation during blood component separation workflows.

Centrifuge Tubes

<h2>What Are Centrifuge Tubes?</h2>
 Centrifuge tubes are cylindrical laboratory containers with caps that are used to separate, pellet, and store biological or chemical samples through centrifugal force. They are commonly made from polypropylene (PP) or polystyrene (PS) and are available in sizes ranging from small 0.5 mL microtubes to larger 50 mL conical tubes. These tubes are widely used for cell pelleting, protein precipitation, DNA and RNA extraction, tissue homogenate clarification, and long-term sample storage. Depending on the material, they can withstand temperatures from &minus;80 &deg;C to +121 &deg;C.
In short, the best centrifuge tube depends on your centrifuge rotor, required g-force, sample volume, and sterility needs. 
<h2>What You Will Find: </h2>
<ul>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes" title="All Centrifuge Tubes">All Centrifuge Tubes</a>: Comprehensive selection of 15 mL and 50 mL conical tubes with clear graduations for daily lab workflows.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/oak-ridge-style-centrifuge-tubes" title="Oak Ridge Style Centrifuge Tubes">Oak Ridge Style Centrifuge Tubes</a>: High-speed, chemical-resistant tubes designed to withstand extreme RCF without deformation.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/centrifuge-bottles" title="Centrifuge Bottles">Centrifuge Bottles</a>: Heavy-duty, larger-capacity vessels engineered for bulk sample processing and high-velocity runs.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes" title="Large Volume Centrifuge Tubes">Large Volume Centrifuge Tubes</a>: Industrial-strength 250 mL and 500 mL tubes optimized for pilot-scale harvesting and bioprocessing.</li>
</ul>
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<h2>How to Choose Centrifuge Tubes</h2>
 Volume and Rotor Compatibility
Select a tube size that matches both your sample volume and centrifuge rotor. Microtubes ranging from 0.5&ndash;2 mL are commonly used in microcentrifuges and can typically handle speeds up to 20,000 &times; g. Midi tubes in the 5&ndash;10 mL range are suitable for intermediate sample volumes, while 15 mL and 50 mL conical tubes are commonly used in clinical, research, and preparative centrifuges.
Material: Polypropylene vs. Polystyrene
Polypropylene (PP) tubes offer excellent chemical resistance and can tolerate temperatures from &minus;80 &deg;C to +121 &deg;C. They are suitable for autoclaving and exposure to many laboratory solvents. Polystyrene (PS) tubes provide superior optical clarity, making it easier to visually inspect samples and liquid levels, but they have lower resistance to solvents and extreme temperatures.
Sterility and Contamination Control
Sterile centrifuge tubes are typically gamma- or E-beam-irradiated and certified free of RNase, DNase, and pyrogens. These tubes are recommended for RNA extraction, cell culture, and clinical applications where contamination must be minimized. Non-sterile tubes may still be RNase- and DNase-free and are often suitable for routine DNA work and general sample storage.
Cap Design
Attached screw caps help prevent cap mix-ups and sample contamination, especially in high-throughput laboratories. Separate caps can be quicker to open and may be preferred in workflows that require frequent access to samples. If tubes will be used with automated systems, cap dimensions should be verified for compatibility with liquid handling equipment.
Packaging Options
Racked tubes provide convenient organization and allow direct pipetting while the tubes remain in the rack. Bulk-bagged tubes offer a more economical option for laboratories that process large volumes of samples and already have tube storage systems in place.
<h2> Comparing Common Centrifuge Tube Types</h2>
 Microtubes (0.5&ndash;2 mL) are ideal for PCR preparation, microcentrifuge applications, and storage of small sample volumes. They can generally withstand centrifugal forces up to 20,000 &times; g.
Midi tubes (5&ndash;10 mL) are designed for intermediate sample volumes such as culture supernatants and can typically tolerate forces up to 16,000 &times; g.
Sterile 15 mL conical tubes are frequently used for cell pelleting, RNA extraction, and clinical sample processing, with typical ratings between 12,000 and 15,000 &times; g.
Sterile 50 mL conical tubes are commonly selected for larger-volume applications including tissue culture work, density gradient preparation, and large-scale sample processing.
Polystyrene conical tubes in 15 mL and 50 mL formats are often chosen when visual sample inspection is important and solvent exposure is minimal.
<h2> Specifications and Features</h2>
 Polypropylene centrifuge tubes from Globe Scientific and Nest Scientific are manufactured from USP Class VI virgin resin and do not contain plasticizers or processing additives. Sterile products are typically irradiated to achieve a sterility assurance level (SAL) of 10⁻⁶. Most 15 mL tubes feature graduation marks at 1 mL intervals, while 50 mL tubes are usually graduated every 5 mL. MBP offers both bagged and racked centrifuge tube formats, including 15 mL and 50 mL conical tubes as well as smaller microtube and midi tube options.
MBP supports procurement departments by accepting purchase orders and offering institutional pricing for qualified high-volume customers. <a href="https://mbpinc.net/contact-us">Contact the MBP team today</a> for a customized quote.

<h2 data-section-id="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
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The All Centrifuge Tubes collection includes the complete range of tube sizes commonly used in research, clinical, and laboratory environments. These tubes range from small 0.5 mL and 1.5&ndash;2 mL microtubes used in microcentrifuge applications to 5 mL and 10 mL midi tubes for intermediate sample volumes, as well as 15 mL and 50 mL conical tubes designed for cell culture, density gradient preparation, and larger-volume sample processing. They are available in polypropylene (PP) for enhanced chemical resistance and temperature tolerance or polystyrene (PS) for improved optical clarity.
&nbsp;
What you will find:
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
&nbsp;
<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
&nbsp;
Volume and Rotor Compatibility
Selecting the correct tube size is essential for safe and efficient centrifugation. Microtubes ranging from 0.5&ndash;2 mL are designed for microcentrifuges, while 5&ndash;10 mL midi tubes fit compatible benchtop centrifuge rotors. Larger 15 mL and 50 mL conical tubes are commonly used in clinical and research centrifuges. Always verify rotor compatibility before introducing a new tube format into your workflow.
Sterility Requirements
For sensitive applications such as RNA extraction, cell culture, and clinical diagnostics, sterile tubes certified free of RNase, DNase, and pyrogens are recommended. Non-sterile tubes can provide a cost-effective solution for routine DNA analysis, protein assays, and general sample storage where sterility is not critical.
Material Selection
Polypropylene tubes offer excellent durability, can be autoclaved at 121 &deg;C, and resist many laboratory chemicals and solvents. Polystyrene tubes provide superior transparency, making it easier to monitor liquid levels and sample contents, although they are less resistant to heat and solvents.
Packaging and Inventory Planning
Microtubes are commonly available in pack sizes ranging from 500 to 1,000 units, while 15 mL and 50 mL conical tubes are often supplied in cases of 500. Laboratories with consistent usage may benefit from establishing recurring purchase orders to ensure uninterrupted supply.
&nbsp;
<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
&nbsp;
Microtubes (0.5&ndash;2 mL) are primarily used for PCR preparation, microcentrifuge applications, and storage of small sample volumes. These are typically manufactured from polypropylene and are available in pack sizes of 500&ndash;1,000 units.
Midi tubes (5&ndash;10 mL) support intermediate-volume centrifugation and supernatant collection. They are commonly made from polypropylene and supplied in packs ranging from 100&ndash;500 units.
15 mL conical tubes are widely used for cell pelleting, RNA isolation, and clinical sample processing. They are available in both polypropylene and polystyrene formats and are generally packaged in cases of 500.
50 mL conical tubes are designed for larger-volume workflows, including tissue culture, density gradient preparation, and sample processing. Like 15 mL tubes, they are available in polypropylene and polystyrene and are commonly sold in cases of 500.
&nbsp;
<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
&nbsp;
Globe Scientific and Nest Scientific centrifuge tubes are manufactured from USP Class VI virgin polypropylene or polystyrene resin and are certified free from detectable RNase, DNase, and pyrogens. Sterile products are irradiated using gamma or E-beam methods to achieve a sterility assurance level (SAL) of 10⁻⁶. MBP offers both racked and bagged formats for 15 mL and 50 mL conical tubes, along with dispenser-box options for selected microtube product lines that support efficient use in high-throughput laboratory environments.
For procurement teams, MBP accepts purchase orders and offers institutional pricing for bulk and high-volume purchases. <a href="https://mbpinc.net/contact-ushttps://mbpinc.net/contact-us" title="Contact the MBP team" style="color: #236fa1;">Contact the MBP team</a> today to learn more

All Centrifuge Tubes

<h2 data-section-id="132783j" data-start="0" data-end="34">What Are Microcentrifuge Tubes?</h2>
&nbsp;
Microcentrifuge tubes are small-volume polypropylene or low-binding polypropylene vessels available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. They are designed for use in fixed-angle and variable-speed microcentrifuges and are commonly used for sample preparation, DNA and RNA isolation, protein purification, enzyme reaction setup, and cryogenic sample storage. Depending on the application, these tubes are available with either hinged snap caps or threaded screw caps that help protect samples from leakage, contamination, and evaporation during centrifugation and storage.
Microcentrifuge tubes are essential consumables in molecular biology, biochemistry, clinical chemistry, proteomics, and genomics laboratories. Among all formats, the 1.5 mL snap-cap tube remains the most widely used microcentrifuge tube in routine molecular biology workflows.
Use 1.5 mL snap-cap polypropylene tubes for general molecular biology applications, 2.0 mL tubes for bead-based extraction and precipitation workflows, screw-cap tubes for volatile or valuable samples, and low-binding tubes for dilute proteins or nucleic acids.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" aria-level="1">
0.5mL, 0.6mL, 1.5mL, 2.0mL, 5.0mL (for small-volume to high-volume applications)
</li>
</ul>
<ul>
<li dir="ltr" aria-level="1">
Tubes only: Snap-cap, one-hand use
</li>
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O-ring caps: Leak-proof, secure seal
</li>
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Sterile: RNase/DNase-free for sensitive work
</li>
<li dir="ltr" aria-level="1">
Non-sterile: Cost-effective for general use
</li>
</ul>
&nbsp;
<h2 data-section-id="1yp6iwa" data-start="1166" data-end="1204">How to Choose Microcentrifuge Tubes</h2>
&nbsp;
Volume: 0.5 mL / 1.5 mL / 2.0 mL
&nbsp;0.5 mL tubes minimize dead volume for concentrated or precious samples and fit compact block heaters. 1.5 mL is the universal format compatible with virtually all microcentrifuge rotors, heating blocks, and automated liquid handlers. 2.0 mL provides extra headspace for vortex mixing and bead-based extraction protocols; the slightly wider diameter is also compatible with most 1.5 mL rotor slots.
Cap Style: Snap Cap vs Screw Cap
Snap-cap microcentrifuge tubes feature hinged lids that allow quick one-handed operation and are preferred for high-throughput laboratory workflows involving frequent pipetting.
Screw-cap tubes equipped with O-rings or sealing rings provide a hermetic seal capable of withstanding centrifugal forces up to 20,000 &times; g. These tubes are recommended for volatile reagents, repeated freeze-thaw cycles, and long-term storage at ultra-low temperatures. Laboratories requiring enhanced sample security often select screw-cap formats for valuable or irreplaceable specimens.
Standard vs Low-Binding Polypropylene
Standard polypropylene microcentrifuge tubes are suitable for most routine laboratory applications. Low-binding polypropylene tubes are designed to reduce sample adsorption to tube walls and are particularly beneficial when working with dilute proteins, low-concentration nucleic acids, or single-cell samples where maximizing recovery is critical.
Bottom Geometry: Conical vs Self-Standing
Conical-bottom tubes concentrate pellets at the tip of the tube, improving sample recovery and simplifying resuspension after centrifugation.
Self-standing tubes feature a flat base that allows them to remain upright without a rack, making them convenient for sample handling, labeling, and storage. While they offer greater bench-top convenience, pellets may form slightly off-center compared with traditional conical-bottom designs.
&nbsp;
<h2 data-section-id="11skgd4" data-start="3407" data-end="3446">Compare Microcentrifuge Tube Formats</h2>
&nbsp;
Snap-cap conical polypropylene microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Rated to approximately 16,000 &times; g, they are the standard choice for molecular biology, PCR preparation, nucleic acid extraction, and enzyme reaction workflows.
Screw-cap polypropylene tubes with O-rings are offered in 1.5 mL and 2.0 mL formats with either conical or flat-bottom designs. These tubes can withstand centrifugal forces up to 20,000 &times; g and are commonly used for volatile samples, cryogenic storage, and biobanking applications.
Self-standing screw-cap microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Featuring sealing rings and flat-bottom construction, they provide stable rack-free storage and are often used in color-coded sample management systems. These tubes are typically rated up to 20,000 &times; g.
Amber polypropylene microcentrifuge tubes are available with either snap caps or screw caps in 1.5 mL and 2.0 mL sizes. Designed for light-sensitive compounds, they help protect samples from light exposure while supporting centrifugation up to approximately 16,000 &times; g.
Dispenser-box snap-cap microcentrifuge tubes are commonly available in 1.5 mL and 2.0 mL formats and are packaged for convenient bench-top dispensing. They are ideal for high-throughput laboratories that process large numbers of samples and require efficient access to consumables.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4881" data-end="4906">Specifications Context</h2>
&nbsp;
Globe Scientific microcentrifuge tubes are manufactured from USP Class VI virgin polypropylene and are certified RNase-free, DNase-free, and non-pyrogenic by lot under ISO 9001:2015 quality management standards. Nest Scientific microcentrifuge tubes are similarly manufactured to USP Class VI specifications and are available in self-standing formats with six cap color options for simplified sample organization.
Standard packaging configurations include 500 tubes per case for snap-cap formats and 500 tubes per case supplied in 50-tube packs for screw-cap variants. As of 2026, MBP stocks both dispenser-box snap-cap tubes and screw-cap microcentrifuge tube formats, with bulk purchasing options available for high-volume laboratories.
Achieve consistent results with secure, medical-grade centrifugation vessels. <a href="https://mbpinc.net/contact-us" title="Contact Molecular Biology Products Inc." style="color: #236fa1; text-decoration: underline;">Contact Molecular Biology Products Inc.</a> for a quote to upgrade your workflow.

Microcentrifuge Tubes

DataSheet

Lock Cap Microcentrifuge Tubes Specifications

Lock Cap Microcentrifuge Tubes, Amber Color

NEST Scientific 605501: 0.6 mL amber light-blocking PP microcentrifuge tube with conical bottom and lock cap. Non-sterile. Protects fluorescent dyes, light-sensitive enzymes, and chemiluminescent reagents during bench handling and centrifugation. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

0.6 mL Microcentrifuge Tube, Amber Color, Conical, Lock Cap, Non-Sterile, 1000/pk, 10000/cs

0.6ml Microcentrifuge Tube, Amber Color, Conical, Lock Cap, Sterile. 50/bag, 7500/case

1.5ml Microcentrifuge Tube, Amber Color, Conical, Lock Cap, Sterile. 50/bag, 4000/case

Lock Cap Microcentrifuge Tubes, Clear

NEST Scientific 605001: 0.6 mL clear PP microcentrifuge tube with conical bottom and lock cap. Non-sterile. 1000/pack, 10,000/case. Lock cap prevents inadvertent opening during centrifugation and vortexing. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

0.6ml Microcentrifuge Tube, Clear, Conical, Lock Cap,1000/pk, 10000/cs

1.5ml Microcentrifuge Tube, Clear, Conical, Lock Cap, 500/pk, 5000/cs

0.6ml Microcentrifuge Tube, Clear, Sterile, Conical, Lock Cap, 50/bag, 750/pk, 7500/cs

1.5ml Microcentrifuge Tube, Clear, Sterile, Conical, Lock Cap, 400/pk, 4000/cs

2.0ml Microcentrifuge Tube, Clear, Round, Lock Cap, 500/pk, 5000/cs

2.0ml Microcentrifuge Tube, Clear, Sterile, Round, Lock Cap, 50/bag, 400/pk, 4000/cs

<h2 dir="ltr">What Are Pipette Tips?</h2>
 Pipette tips are disposable polypropylene cones that attach to the shaft of an air-displacement pipette, forming the liquid-contact surface for aspiration and dispensing. The seal between the tip collar and the pipette shaft is the single most important factor in volumetric accuracy; a poorly fitting tip introduces systematic volume error that causes the instrument to deviate from its calibrated specification. Tips span micro volumes (0.1&ndash;10 &micro;L) through standard (20&ndash;200 &micro;L and 100&ndash;1,000 &micro;L) to high-volume (up to 1,250 &micro;L), with variants for filtered aerosol protection, low-retention liquid release, extended reach into deep vessels, and wide-bore dispensing of viscous samples.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips" style="color: #236fa1;">Universal Fit Pipette Tips</a> &ndash; Available in volumes from 0.1 &micro;L to 5000 &micro;L, including low-retention and extended-length options, with sterile rack, bulk bag, and non-sterile refill formats.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/liquid-handling-products/filtered-pipette-tips/lts-compatible-filter-tips" style="color: #236fa1;">LTS Compatible Pipette Tips</a> &ndash; Feature PosiStop seals for use with Rainin-style pipettes and are offered with GreenRack systems, reload stacks, and empty rack frames.
</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Pipette Tips</h2>
 Collar Size and Pipette Compatibility Tip collar diameter determines fit: 3.8 mm collar for &le;10 &micro;L pipettes; 6.1 mm collar for &le;200 &micro;L; approximately 7.5&ndash;8.0 mm collar for P1000 pipettes. Universal fit tips use these standard collar sizes and are compatible with Eppendorf Research, Rainin Classic (non-LTS), Thermo Finnpipette, and Sartorius/BioHit. Rainin LTS and Eppendorf epT.I.P.S. use proprietary collar geometry and require instrument-specific tips. Filtered vs Non-Filtered Aerosol-barrier filter tips contain a hydrophobic PE or cellulose plug that blocks aerosol and liquid from reaching the pipette barrel; required for PCR, qPCR, and RT-PCR setup, RNA extraction, and work with biohazardous samples. Non-filter standard tips are appropriate for buffer, media, and reagent dispensing where cross-contamination through the barrel is not a concern. Low-Retention vs Standard Polypropylene Low-retention tips are injection-moulded from hydrophobic polypropylene with reduced surface energy or coated to minimise liquid adhesion on the inner wall. They improve accuracy at &le;10 &micro;L and for dispensing viscous, protein-containing, or organic solvent samples. Standard PP tips leave small residual volumes in the tip after dispensing; this residue is negligible at 200 &micro;L but significant at 2&ndash;5 &micro;L. Extended-Length and Wide-Bore Extended-length tips (also called long tips or gel-loading tips) reach into deep 15 mL and 50 mL tubes, cryovials, and electrophoresis gel wells. Wide-bore tips have an enlarged aperture for dispensing viscous samples, cell suspensions, and tissue lysates without shearing. Packaging Format Hinged 96-tip racks are standard for manual pipetting. Reload inserts fit into reusable rack bases to reduce per-tip cost and plastic waste. Bulk bags provide the lowest cost per tip for non-sterile applications.
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
 Pipette tips are certified DNase-free, RNase-free, ATP-free, human DNA-free, PCR inhibitor-free, and pyrogen-free per independent lot testing. Virgin polypropylene free of additives, antistatic agents, and dyes is the standard material. ISO 8655 compliance for the pipette system depends on tip-pipette seal quality; confirm tip compatibility with your specific pipette model.&nbsp; Sorenson Bioscience universal and filtered tips, Globe Scientific, and Nest Scientific lines are stocked by MBP Inc.&nbsp;
&nbsp;
Not sure which tip fits your current project best?<a href="https://mbpinc.net/contact-us" style="color: #236fa1;"> The MBP team</a> is just a message away. We&rsquo;ll help you find the perfect match and get a quote headed your way.

Pipette Tips

<h2 dir="ltr"> What Are Universal Fit Pipette Tips?</h2>
 Universal fit pipette tips use collar diameters standardised across most major air-displacement pipette brands, allowing a single tip product to seat on pipettes from multiple manufacturers. The three primary collar sizes are: 3.8 mm for &le;10 &micro;L tips, 6.1 mm for &le;200 &micro;L tips, and approximately 7.5&ndash;8.0 mm for P1000 tips. These collar sizes cover Eppendorf Research Plus, Rainin Classic (non-LTS), Thermo Finnpipette, Sartorius/BioHit, and VWR pipettes. Universal fit tips cover most lab pipettes at a lower cost per tip &mdash; the exception is Rainin LTS, which needs dedicated LTS tips. 
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-path-to-node="4,0,0"><a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips/refill-stations-for-universal-fit-pipette-tips-">Refill Stations for Universal Fit Pipette Tips</a> &ndash; Eco-friendly, space-saving reload stacks designed for rapid rack replenishment with zero-touch contamination control.</li>
<li data-path-to-node="4,0,0"><a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips/bulk-and-racked-pipette-tips">Bulk &amp; Racked Pipette Tips </a>&ndash; High-clarity, medical-grade tips available in reinforced racks for immediate use or economical bulk bags for high-volume workflows.</li>
</ul>
<h2 dir="ltr"> How to Choose Universal Fit Pipette Tips</h2>
 Volume Range: Match Tip to Pipette 10 &micro;L universal tips (3.8 mm collar) cover 0.1&ndash;10 &micro;L single-channel pipettes and the P10 range. 200 &micro;L universal tips (6.1 mm collar) cover P20, P50, P100, and P200 pipettes. 1,000 &micro;L universal tips cover P1000 pipettes and are available in standard-length and extended-length formats. 1,250 &micro;L macro universal tips accommodate high-volume dispensing steps in the 1,000&ndash;1,250 &micro;L range. Standard vs Filtered Universal Tips Standard universal tips are sufficient for buffer, media, and reagent dispensing. Filtered universal tips &mdash; with hydrophobic PE or cellulose aerosol barrier &mdash; are required for PCR setup, RNA work, and any contamination-sensitive application. Using filtered tips universally reduces contamination risk in shared pipettes at the cost of approximately 1.5&ndash;2&times; the price of standard tips. Low-Retention Universal Tips Low-retention universal tips minimise residual volume on the inner tip wall. This matters at &le;10 &micro;L, where standard tips may retain 0.2&ndash;0.5 &micro;L, creating a systematic under-delivery error. Sorenson's universal low-retention tips maintain compatibility with all major standard-collar pipettes. Packaging Format Racked (hinged 96-tip rack): standard for manual pipetting. Reload inserts: drop into reusable rack bases; 20&ndash;30% lower per-tip cost and reduced plastic. Bulk (non-sterile bag): lowest cost per tip for non-sterile buffer/media work. Sterile racked tips are required for cell culture, RNA, and clean applications. OneTouch / Ergonomic Formats OneTouch reload formats allow the full tip insert to be loaded into the pipette simultaneously, reducing repetitive-strain impact from individual tip-loading in high-throughput workflows. 
<h2 dir="ltr"> Specifications Context</h2>
 Universal fit tips are manufactured from 100% virgin polypropylene, certified DNase-free, RNase-free, ATP-free, human DNA-free, pyrogen-free, and PCR inhibitor-free per lot. Sorenson Bioscience universal tips are manufactured in a Class 100,000 cleanroom, pre-sterilised, and sold through MBP Inc. in standard racks, EcoRack reloads, and bulk formats. Universal fit tips remain the highest-volume tip category in North American research labs due to multi-brand compatibility and lower cost per tip versus pipette-specific variants.&nbsp; 
If you&rsquo;re setting up a workflow or mixing pipette brands in the same lab, it&rsquo;s usually worth sorting tip compatibility early &mdash; it removes a lot of small daily friction that adds up over time. <a href="https://mbpinc.net/contact-us">Contact the MBP team</a> to get a tailored quote!

Universal Fit Pipette Tips

<h2 dir="ltr">What Are Pipette Tip Refill Stations?</h2>
 A pipette tip refill station consists of two components: a durable outer rack frame (typically polypropylene or polycarbonate) that holds tips at standard 9 mm well spacing, and disposable reload inserts &mdash; tip wafer trays pre-loaded with 96 tips &mdash; that drop into the frame to replace a depleted set. Once the insert is exhausted, the rack base is retained, and a new insert is loaded, rather than discarding the entire rack assembly. This system is designed for high-throughput labs that consume hundreds of racks per month; at that scale, the reduction in plastic waste (up to 60%) and per-tip cost (typically 15&ndash;30% lower than equivalent racked tips) is meaningful over a year. Reload inserts carry the same universal-fit collar geometry and purity certifications as standard hinged racks.&nbsp; Refill stations make economic and environmental sense when your lab replaces more than two full cases of racked tips per month.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Refill Pipette Tips &ndash; High-efficiency, non-sterile reload inserts designed for rapid, zero-waste rack replenishment.</li>
<li dir="ltr" role="presentation">DoubleStack Racked Tips &ndash; Space-saving, high-density sterile formats that maximize your storage without sacrificing accessibility.</li>
<li dir="ltr" role="presentation">Long Reach Reload Systems &ndash; Specialized extended-tip reloads paired with durable starter kits for deep-vessel sampling.</li>
<li dir="ltr" role="presentation">Large Volume Tip Solutions &ndash; 5ml and 10ml high-capacity tips compatible with major brands like Eppendorf and Thermo.</li>
<li dir="ltr" role="presentation">Standard &amp; Routine Tips &ndash; Reliable, medical-grade universal tips in both sterile racks and economical refill formats for daily lab use.</li>
</ul>
<h2 dir="ltr"> How to Choose a Refill Station System</h2>
 Rack Base Compatibility Reload inserts are designed to fit specific rack base models &mdash; they are not universally interchangeable. Confirm the rack base brand and model before ordering reload inserts; for example, Sorenson EcoRack reload inserts fit Sorenson EcoRack bases, USA Scientific LTS refill wafers fit USA Scientific racks, and Nest Scientific inserts fit Nest frames. MBP Inc. supplies matched rack bases and insert systems &mdash; contact the team if unsure which base fits your existing racks. Sterile vs Non-Sterile Inserts Sterile reload inserts (EO-sterilised or gamma-irradiated) are required for PCR setup, RNA work, cell culture, and any sterility-sensitive application. Non-sterile inserts are suitable for routine buffer, media, and reagent dispensing where the pipette and tip will not contact a sterile sample. Volume Range Refill inserts are available in the same volume range as racked tips: 10 &micro;L, 200 &micro;L, 300 &micro;L (select formats), and 1,000&ndash;1,250 &micro;L. Confirm that the same volume range is available for both the rack base and the reload insert from your supplier. Filter vs Non-Filter Inserts Filter reload inserts &mdash; with integrated aerosol-barrier elements &mdash; are available for labs requiring contamination protection in PCR or nucleic acid work. Non-filter reload inserts are the economical choice for routine liquid handling. OneTouch / Stacked Loading Systems Some refill formats (e.g., Rainin SpaceSaver, Sorenson EcoRack, Biotix reload) offer stacked magazine-style packaging where multiple inserts are stacked in a column; a fresh insert auto-advances when the previous is depleted, reducing tip-station restocking frequency in high-throughput workflows. 
<h2 dir="ltr"> Specifications Context</h2>
 Reload insert tips are manufactured from the same virgin polypropylene as standard racked tips, certified DNase-free, RNase-free, human DNA-free, ATP-free, and PCR inhibitor-free per lot. Rainin SpaceSaver inserts reduce plastic waste by up to 80% versus hinged racks using recyclable PETE packaging. Biotix uTIP reload inserts reduce plastic waste by 30%; Sorenson EcoRack inserts reduce waste by up to 60%. Sorenson Bioscience EcoRack reload inserts are stocked by MBP Inc. in 10 &micro;L, 200 &micro;L, and 1,250 &micro;L volumes.&nbsp; 
Stop drowning in empty boxes. Browse our Refill Station inventory and <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">contact the MBP team</a> for a custom quote today.

Refill Stations for Universal Fit Pipette Tips 

Long Reach Pipette Tips – Reload System

Long Reach Pipette Tips – Reload System by MBP are natural polypropylene, sterile, Platinum Reload System tips packaged 960 per pack. Available in 0.1–10 µl (70500), 200 µl (70520), and 1000 µl (70540). Ships ambient.

0.1-10ul Long Reach Pipette Tips – Reload System, 960 Tips/Pack

200ul Pipette Tips Reload Station, 960 Tips/Pack

1000ul Pipette Tips Reload System 960 Tips/Pack

Long Reach Pipette Tips – Reload System Empty Racks Starter Kit

Long Reach Pipette Tips Reload System Empty Racks Starter Kit by MBP provides empty reload racks for the Platinum Reload System. Available in 0.1–10 µl (70700, 10 racks, 960 tips/case), 200 µl (70720, 10 racks, 960 tips/case), and 1000 µl (70740, 8 racks, 768 tips/case). Ships ambient.

0.1-10ul Long Reach Pipette Tips – Reload System, 10 Empty Racks, Starter Kit, 960 Tips/Case

200ul Pipette Tips Reload Station, 10 Empty Racks, Starter Kit 960/Case

1000ul Pipette Tips Reload System, 8 Empty Racks, 768 Tips/Case

Infrared MicroSterilizer Accessories

<h2>What Are Microbead Sterilizers?</h2>
&nbsp;
Microbead sterilizers are compact benchtop instruments that heat 1.5&ndash;2 mm glass beads to temperatures between 150&deg;C and 300&deg;C inside an insulated chamber, enabling rapid sterilization of metal instrument tips such as forceps, scissors, dissecting needles, and scalpel handles through conductive heat transfer in approximately 15 seconds per cycle. They provide a flame-free alternative to alcohol-lamp sterilization for repeated instrument decontamination in animal surgery, plant tissue culture, microbiology, and pathology laboratories. Because they operate without gas, open flames, or chemicals, microbead sterilizers are suitable for use inside Class II biosafety cabinets and in anaerobic environments where flames are prohibited.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/equipments/autoclave-and-biosafety-cabinets/microbead-sterilizer">Microbead sterilizer series</a>: Benchtop systems designed for rapid and reliable instrument sterilization.</li>
<li><a href="https://mbpinc.net/equipments/autoclave-and-biosafety-cabinets/microbead-sterilizer/microbead-sterilizer-accessories">Microbead sterilizer accessories</a>: Replacement heating elements, refill glass beads, loop holders, and slide dryer attachments to support continuous laboratory operation.</li>
</ul>
&nbsp;
<h2>How to Choose a Microbead Sterilizer</h2>
&nbsp;
Chamber Depth and Aperture Diameter
Two chamber configurations are common: standard-depth units, approximately 8 cm deep, for short forceps tips and dissecting tools, and deep-format models, approximately 15 cm deep, for longer instruments. The aperture diameter determines the maximum instrument width that can be accommodated, so compatibility with commonly used tools should be confirmed before purchase.
Temperature Range and Control
Standard models typically operate at 250&deg;C, which is sufficient for eliminating vegetative bacteria and many spore-forming organisms from instrument tips. Digital models provide precise temperature adjustment and monitoring through electronic controls, making them preferable for applications requiring documented operating conditions. Units capable of reaching 300&deg;C may be selected for specialized high-temperature workflows, although prion deactivation requires dedicated sterilization procedures beyond conventional bead sterilization methods.
Warm-up Time and Duty Cycle
Most microbead sterilizers require a warm-up period of approximately 10&ndash;15 minutes to reach operating temperature. Once heated, they can operate continuously throughout the workday, while insulated housings help maintain safe exterior temperatures during prolonged use.
Biosafety Cabinet Compatibility
Flame-free operation makes microbead sterilizers compatible with Class II biosafety cabinets, provided that adequate clearance is maintained according to the cabinet manufacturer's recommendations. Laboratories should verify that the unit's footprint and heat output align with their specific biosafety setup.
Glass Bead Replacement
Glass beads serve as the primary consumable in these systems and should be replaced periodically as they become discolored or accumulate biological residues. Replacement frequency depends on instrument usage patterns, contamination risks, and laboratory protocols.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Glass-bead sterilization at 250&deg;C can eliminate vegetative bacteria and bacterial spores from instrument tips within approximately 15 seconds of contact, according to established laboratory protocols for microbiology and surgical research applications. Operating temperatures should be verified periodically using calibrated thermometers or thermocouples to ensure consistent performance over time. Microbead sterilizers are intended for research use only (RUO) and are not validated as medical sterilization devices under FDA 510(k) or comparable regulatory frameworks. As of 2026, replacement glass beads and accessory components remain widely available to support long-term operation in research laboratories.
A high-quality microbead sterilizer for your laboratory is just one click away. <a href="https://mbpinc.net/contact-us">Contact the expert team at Molecular Biology Products Inc. (MBP)</a> today to find the solution that best matches your workflow requirements.

Microbead Sterilizer

Loop holder attachment

B1000-01 by Benchmark Scientific is a loop holder attachment for the BactiZapper™ B1001 infrared micro-sterilizer, providing hands-free support for inoculating loops and needles during the sterilization cycle. It keeps tools positioned inside the heating element without manual holding, reducing fatigue in high-volume microbiology streaking workflows.

Cell Culture Plates

<h2 class="p2"> What are Cell Culture Plates?</h2>
 Cell culture plates are sterile, single-use polystyrene multi-well vessels used to grow, treat, and analyze cells in parallel across multiple conditions in a single vessel. All formats are E-beam sterilized to SAL 10⁻⁶, certified DNase/RNase-free and non-pyrogenic, and individually wrapped in peelable film. Choose TC-treated flat-bottom plates for adherent mammalian cell culture, assays, and transfection; choose non-treated plates for suspension, hematopoietic, and hybridoma cells; choose glass-bottom plates for live-cell confocal and high-resolution fluorescence imaging.
&nbsp;
<h2 class="p1">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1rzg2e5" data-start="0" data-end="138"><a href="cell-culture-plates/non-treated-cell-culture-plates">Non-Treated Cell Culture Plates:</a> Designed for suspension cultures and non-adherent cell lines where cell attachment is not required.</li>
<li data-section-id="1f2n3q2" data-start="140" data-end="295"><a href="cell-culture-plates/treated-cell-culture-plates">Treated Cell Culture Plates:</a> Tissue-culture-treated surface promotes reliable attachment and growth of adherent cells for routine culture and assays.</li>
<li data-section-id="1dji5w9" data-start="297" data-end="442" data-is-last-node=""><a href="cell-culture-plates/glass-bottom-cell-culture-plates">Glass Bottom Cell Culture Plates:</a> Glass-bottom wells provide superior optical clarity for high-resolution microscopy and live-cell imaging.</li>
</ul>
<h2 class="p2">&nbsp;</h2>
<h2 class="p2">How to Choose Cell Culture Plates</h2>
 Well Count by Application Scale 6-well plates (9.4 cm&sup2;/well) are the standard for transfection, siRNA knockdown, Western blot sample preparation, luciferase reporter assays, and colony counting &mdash; any protocol that requires &ge;5 &times; 10⁶ cells per condition. 12-well plates (3.8 cm&sup2;/well) support medium-scale culture for ELISA lysate preparation, flow cytometry staining, and viral infection studies. 24-well plates (1.9 cm&sup2;/well) are versatile for drug dose-response at medium throughput, primary cell culture, and viral plaque assays. 48-well plates (0.95 cm&sup2;/well) bridge 24-well and 96-well scale for intermediate throughput experiments. 96-well plates (0.32 cm&sup2;/well) are the workhorse for high-throughput cell viability (MTS, MTT, CCK-8), cytotoxicity, ELISA, reporter gene, and compound screening assays. 384-well plates are used for ultra-high-throughput screening (HTS), where reagent cost per well drives miniaturization. TC-Treated vs. Non-Treated vs. Glass Bottom TC-treated (vacuum plasma&ndash;treated, contact angle &lt;10&deg;) flat-bottom plates support adherent mammalian cell monolayer formation &mdash; required for HeLa, HEK293 (adherent), CHO-K1, Vero, A549, MCF-7, and primary cells. Non-treated plates maintain a hydrophobic surface that prevents attachment &mdash; used for suspension cell lines (Jurkat, K562, HL-60), hybridoma culture, and spheroid/organoid formation in U-bottom wells. Glass-bottom plates combine a polystyrene plate body with a borosilicate coverglass floor (0.16&ndash;0.19 mm thickness), matching the No. 1.5 coverglass standard required for confocal, TIRF, and super-resolution microscopy. Flat vs. Round (U) vs. V-Bottom Well Geometry Flat-bottom wells provide a flat imaging surface for phase-contrast and fluorescence microscopy, uniform cell monolayer coverage, and reliable OD measurements in plate readers. Round (U)-bottom wells concentrate cells and particles to the well centre by gravity &mdash; used for rosette assays, hemagglutination inhibition (HAI), and hanging-drop spheroid culture. V-bottom wells have a sharp vertex that pellets cells tightly for wash steps in flow cytometry and immunophenotyping panels. Plate Lid and Evaporation Management NEST Scientific cell culture plates ship with a clear polystyrene lid. For high-throughput assays running 72&ndash;96 hours, edge-well evaporation in 96-well and 384-well formats can introduce artefacts; NEST Low Evaporation EDGE plates have an inter-wall design that reduces edge-well evaporation by maintaining humidity in the peripheral wells during long incubations. 
<h2 class="p2"> Specifications Context</h2>
 NEST Scientific cell culture plates are manufactured from 100% virgin polystyrene in ISO 8 (Class 10,000) cleanrooms. TC treatment uses vacuum plasma technology; the lot-release criterion is contact angle &lt;10&deg;. All plates conform to ANSI/SLAS 1-2004 through 4-2004 footprint and well-position standards (SBS format), ensuring compatibility with automated liquid handling platforms, plate readers, and automated incubators. E-beam sterilization to SAL 10⁻⁶. Plates are individually wrapped in peelable Tyvek-equivalent film for GMP cleanroom entry; lids are attached. Alphanumeric well markings (A&ndash;H rows, 1&ndash;12 columns for 96-well) are standard across all formats. NEST Scientific is ISO 9001:2015 and ISO 13485 certified with FDA registration. As of 2026, MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center. 
Pick your format, culture your cells, and get consistent results every time. <a href="https://mbpinc.net/contact-us">Contact MBP </a>and get a tailored quote today!

<h2 class="p2">What are TC-Treated Cell Culture Plates?</h2>
 TC-treated (tissue culture&ndash;treated) cell culture plates are sterile, single-use multi-well polystyrene plates whose well surfaces have been modified by vacuum plasma treatment to introduce negatively charged oxygen-containing groups (carboxyl, carbonyl, hydroxyl), reducing the water contact angle from ~75&ndash;90&deg; (untreated PS) to below 10&deg; (hydrophilic). This surface modification directly enables attachment, spreading, and monolayer formation of adherent mammalian cell lines. TC-treated plates are the default format for all adherent mammalian cultures, cell-based assays, ELISA preparation, compound cytotoxicity screening, transfection, and gene expression studies.&nbsp; 
<h2 class="p1">What you will find:</h2>
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&bull; 6, 12, 24, 48, and 96 well formats for different workflows &bull; Tissue-culture-treated surfaces for reliable cell attachment &bull; Clear plates for easy monitoring under the microscope &bull; Uniform wells for consistent seeding and growth &bull; Sterile options to maintain clean conditions &bull; Lids designed to reduce contamination and evaporation
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<h2 class="p2">How to Choose TC-Treated Cell Culture Plates</h2>
 Well Format by Cell Number and Assay Type 6-well TC-treated plates (9.4 cm&sup2;/well) are the standard for Western blot preparation, siRNA transfection, viral infection, protein overexpression, and colony-forming unit (CFU) assays requiring &ge;3 &times; 10⁶ cells per condition. 12-well plates (3.8 cm&sup2;/well) suit medium-scale reporter assays, luciferase quantification, and ELISA from cell lysate. 24-well plates (1.9 cm&sup2;/well) are versatile for cytotoxicity dose-response in 4&ndash;6 conditions per plate, primary cell experiments, and viral plaque assays. 96-well flat-bottom TC-treated plates (0.32 cm&sup2;/well) are the universal format for cell viability (MTS, MTT, CCK-8), compound screening, ELISA, reporter gene assays, and qPCR lysate preparation across 8&ndash;12 concentrations with triplicate wells. 384-well plates reduce reagent cost per compound for HTS drug discovery programs. Lot-to-Lot TC Treatment Consistency For longitudinal drug screening, biomarker validation, or multi-site studies, lot-to-lot variation in TC treatment can alter cell attachment density, proliferation rate, and assay Z-factor. NEST Scientific verifies vacuum plasma treatment by water contact angle goniometry on each manufacturing lot; the release criterion is contact angle &lt;10&deg;. Request lot certificates when adopting TC-treated plates for GLP- or GMP-regulated assay workflows. Low-Evaporation EDGE Plates For 96-well dose-response assays running 72&ndash;96 hours, peripheral (edge) well evaporation can increase medium osmolality in the outer ring by 10&ndash;20% versus inner wells, introducing a systematic bias in IC50 determinations. NEST Low Evaporation EDGE 96-well TC-treated plates use an internal well ridge design that reduces edge-well evaporation during extended incubations. Use EDGE plates for any dose-response study where incubation time exceeds 48 hours. Cell Line Compatibility TC-treated NEST plates support attachment and monolayer culture of: HeLa (cervical), HEK293 (adherent), A549 (lung), MCF-7 (breast), U2OS (bone), CHO-K1 (ovary, adherent), Vero (kidney), MDCK (canine kidney), NIH 3T3 (mouse fibroblast), MRC-5, 2BS, 293T, L-929, and standard primary cultures including dermal fibroblasts, endothelial cells, and epithelial cells. Do NOT use TC-treated plates for Jurkat, K562, HL-60, suspension CHO-S, hybridomas, Sf9, Hi5, or any non-adherent cell line. Plate Reader and Automation Compatibility NEST Scientific TC-treated 96-well flat plates are compatible with all common microplate readers (BioTek Synergy H1, Molecular Devices SpectraMax i3x, PerkinElmer EnVision, BMG Labtech CLARIOstar) for absorbance, fluorescence intensity, and luminescence detection. Plates conform to ANSI/SLAS 1-2004 through 4-2004 SBS dimensions for automated liquid handlers (Tecan Fluent, Hamilton STAR, Beckman Coulter Biomek i7). 
<h2 class="p2"> Specifications Context</h2>
 NEST Scientific TC-treated cell culture plates are manufactured from 100% virgin polystyrene in ISO 8 cleanrooms. Vacuum plasma TC treatment is verified by water contact angle goniometry; the lot release criterion: contact angle &lt;10&deg;. Plates conform to ANSI/SLAS 1-2004 through 4-2004 SBS footprint. E-beam sterilized to SAL 10⁻⁶; DNase/RNase-free, non-pyrogenic per lot certificate. Clear polystyrene lids included; individually wrapped in peelable film. Alphanumeric well coordinates on all &ge;12-well formats. NEST Scientific is ISO 9001:2015 and ISO 13485 certified with FDA registration. As of 2026, NEST Scientific TC-treated plates across all core well formats (6- through 384-well) are stocked by MBP. 
Use treated plates when attachment drives your results. <a href="https://mbpinc.net/contact-us">Contact the MBP team</a> today to get reliable plates for keeping your cells anchored, healthy, and consistent across every well.&nbsp;

Treated Cell Culture Plates

<h2 class="p1"> What are Non-Treated Cell Culture Plates?</h2>
 Non-treated cell culture plates are sterile, single-use multi-well polystyrene plates whose well surfaces retain the original hydrophobic, unmodified polystyrene character &mdash; no plasma, corona, or chemical treatment is applied. The hydrophobic surface (contact angle ~75&ndash;90&deg;) prevents cell attachment, making these plates the correct choice for suspension cell lines, hematopoietic cells, hybridoma culture, spheroid and organoid formation, and any experiment where surface adhesion would alter the cell phenotype or experimental readout. Non-treated plates are the correct default for all suspension-growing cell lines and for any 3D culture format &mdash; spheroids, organoids, embryoid bodies &mdash; where surface attachment is undesired.
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<h2 class="p1">What you will find:</h2>
&nbsp;
<ul>
<li>6, 12, 24, 48, and 96 well formats for different workflows</li>
<li>Untreated surfaces with no coating or modification</li>
<li>Clear plates for easy observation and monitoring</li>
<li>Uniform wells for consistent sample handling</li>
<li>Sterile options to maintain clean conditions</li>
<li>Lids designed to reduce contamination and evaporation</li>
</ul>
<h2 class="p1"> How to Choose Non-Treated Cell Culture Plates</h2>
 Suspension Cell Lines Requiring Non-Treated Plates Non-treated flat-bottom plates support maintenance and assays for Jurkat T-cells, K562 erythroleukemia, HL-60 promyelocytes, Raji B-cells, THP-1 monocytes, MOLM-13, and Daudi cells. Primary hematopoietic cells &mdash; PBMCs, CD34⁺ progenitors, NK cells, and bone marrow isolates &mdash; require non-treated surfaces to prevent integrin-triggered differentiation signals from TC-treated polystyrene. For hybridoma culture during HAT selection, non-treated 96-well U-bottom plates are the standard format. U-Bottom vs. Flat-Bottom for Non-Treated Plates Non-treated flat-bottom plates are the standard for suspension cell viability assays, cytotoxicity screens, and ELISA from non-adherent lysates, where wells need a uniform optical path and a flat imaging surface. Non-treated U-bottom 96-well plates concentrate non-adherent cells to the well center by gravity, producing cell pellets that are easier to aspirate during wash steps &mdash; essential for immunophenotyping panels with multiple antibody labeling and wash cycles before flow cytometry. Spheroid and 3D Culture in Non-Treated Plates Non-treated round-bottom (U-bottom) 96-well plates are widely used for hanging-drop spheroid formation and gravity-aggregated tumor spheroid culture. The hydrophobic, non-adhesive well surface combined with U-bottom geometry causes cells to aggregate at the well vertex by gravity, forming compact spheroids over 24&ndash;72 hours without scaffolding. Spheroids formed in non-treated U-bottom 96-well plates are directly measurable in the plate using a plate reader or confocal microscope with an appropriate working distance. Assay Compatibility Non-treated plates are fully compatible with cell viability reagents (CellTiter-Glo, CellTiter-Aqueous MTS, PrestoBlue), cytokine ELISA from cell supernatants, luciferase reporter assays from suspension-cell lysates, and flow cytometry sample preparation. For assays requiring a flat optical surface with minimal well-to-well distance variation, flat-bottom non-treated plates are preferred over U-bottom. Sterility and Purity Grade NEST Scientific non-treated plates are E-beam sterilized to SAL 10⁻⁶, certified DNase/RNase-free, non-pyrogenic, and individually wrapped in peelable sterile film. They are manufactured from 100% virgin polystyrene in ISO 8 cleanrooms under ISO 9001:2015 and ISO 13485 quality management. No additional surface chemistry or coating is applied; the non-treated specification is confirmed by water contact angle measurement per NEST lot release protocol. 
<h2 class="p1"> Specifications Context</h2>
 NEST Scientific non-treated plates are manufactured from 100% virgin polystyrene in ISO 8 cleanrooms; the non-treated well surface has a water contact angle of ~75&ndash;90&deg; (hydrophobic) confirmed per lot release. All plates conform to ANSI/SLAS SBS footprint standards (127.76 &times; 85.48 mm), ensuring compatibility with automated liquid handlers and plate readers. Alphanumeric well coordinates are printed on all plates &ge;12-well format. Package box double functions as a reagent reservoir for multi-channel pipette operations per NEST design. As of 2026, NEST Scientific non-treated plates in all core formats are stocked by MBP. 
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Use non-treated plates when you want full control over how your cells interact with the surface. Keep conditions simple. Keep results predictable. <a href="https://mbpinc.net/contact-us">Contact the MBP team</a> now to get a tailored quote.

Non-Treated Cell Culture Plates

Low Evap EDGE Plate, Flat Bottom, Sterile

714001 by NEST Scientific is a sterile flat-bottom Low Evap EDGE culture plate with edge grooves that reduce the edge effect, a low-evaporation lid, and corner feet for inverted microscope imaging. E-beam sterilized; TC-treated and non-treated surfaces available. DNase/RNase-free per lot; individually wrapped, 1/pk, 50/cs.