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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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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<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>
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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.

7 x 10/15ml round insert for Z327-200-BUK, 2/pk

The Z327-200-A10 by Hermle is a 7 x 10 ml/15 ml round-bottom tube insert (2/pk) for the Z327-200-BUK bucket on Hermle Z307 / Z327 / Z327-K centrifuges. Max 5,000 rpm / 4,136 xg. For round-bottom tubes (not conical). Available from MBP Inc.

Manufacture

7 x 10ml insert for Z306-100 2/pk.

The Z306-100-A10 by Hermle is a 7 × 10 ml tube insert for the Hermle Z306-100 swing-out rotor, sold in a 2-pack to fill two bucket positions of the Z306 and Z326 universal centrifuges with a combined capacity of 14 × 10 ml tubes per run.

7 x 15ml conical insert, 2/pk.

Z366-250-A15 by Benchmark Scientific (Hermle) is a 2-pack of 7 x 15 ml conical tube inserts for the Hermle Z366-250 swing-out rotor, compatible with Hermle Z366 and Z366-K High-Capacity Universal Centrifuges. Each insert seats 7 standard 15 ml conicals per bucket; two packs fill all four rotor positions for up to 28 tubes per spin.

7 x 5/7ml insert for Z306-100 2/pk.

The Z306-100-A57 by Hermle is a 7-position insert for 5 mL and 7 mL Vacutainer-type tubes, designed for the Z306-100 swing-out rotor on Hermle Z306 and Z326 centrifuges. The pack of two allows simultaneous loading of both rotor buckets for balanced sample runs in blood processing and serum separation workflows. Order at mbpinc.net/quickorder using SKU Z306-100-A57.

7 x 50ml conical insert, 2/pk.

Z446-750-B50 by Hermle (2/pk) holds 7 × 50 ml conical tubes per bucket in the Z446-750 swing-out rotor, providing 28 × 50 ml total capacity across all four buckets at up to 4,000 RPM / 3,434 × g on the Z446.

7 x 50ml round insert, 2/pk.

The Z446-750-A50R by Hermle is a 2-pack of 7 x 50 ml round-bottom tube inserts for the Z446-750 swing-out rotor on Hermle Z446/Z446-K centrifuges, enabling up to 28 x 50 ml round-bottom tubes per run at 4,000 rpm / 3,434 xg (4,500 rpm / 4,346 xg on Z446-K).

750ml blood bag buckets for Z496-496-1000-AC 2/pk

The Z496-750-BLD by Hermle are 750 ml blood bag buckets for the Z496-1000-AC swing-out rotor in the Hermle Z496-K floor-standing centrifuge, rated to 4,600 rpm / 5,274 × g and sold as a 2-pack for balanced blood bag centrifugation.

<h2>What are plasmid miniprep kits?</h2>
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A plasmid miniprep kit uses SDS/alkaline lysis to break open pelleted E. coli cells from a small culture volume (1-10 ml), followed by binding to a silica-membrane spin column, washing, and elution, separating plasmid DNA from genomic DNA, RNA, and protein in roughly 10-15 minutes per prep. Related entities include Buffer P1/P2/P3-style alkaline lysis reagents, color-coded lysis dyes for visual confirmation of complete lysis and neutralization, RNase A for RNA removal, and downstream applications including transformation, restriction digestion, PCR, and sequencing. Choose a miniprep kit for routine, low-volume plasmid prep (cloning screens, sequencing checks, restriction digests) where yields up to roughly 20-100 ug per column are sufficient.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Pellet-free and classic plasmid miniprep kits for high-yield bacterial isolation using rapid spin-column workflows</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">High-throughput 96-well plasmid plates optimized for vacuum manifold processing and parallel automated screening&nbsp;</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Specialized yeast plasmid miniprep systems for fragile fungal hosts using cell-wall digesting chemistries</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">BAC/PAC and large construct isolation units for safer purification of high-molecular-weight vectors</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Endotoxin-free plasmid extraction reagents for sensitive mammalian cell lines, ensuring transfection-grade DNA purity&nbsp;</li>
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<h2>How to choose a plasmid miniprep kit</h2>
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Standard vs. high-yield chemistry
Standard silica spin-column minipreps typically recover up to about 20 ug per column, while high-yield formulations using modified alkaline lysis and novel binding chemistry can reach up to 100 ug at concentrations up to 3 ug/ul from the same small culture volume. If your downstream application (e.g., sequencing multiple samples from one prep, or transfection requiring more DNA per prep) benefits from a higher concentration, a high-yield kit reduces the need to scale up to midiprep.
Plasmid copy number and culture volume planning
High-copy plasmids (pUC-based vectors) can saturate a miniprep column from as little as 3 ml of culture, yielding around 20 ug, while low-copy plasmids (pBR322, pET, cosmids) may yield under 2 ug from the same volume and benefit from doubling culture volume to 5-10 ml. Identify your vector's origin of replication before choosing a standard culture volume, since low-copy vectors at standard volumes can produce yields too low for some downstream steps.
Color-coded lysis buffers for visual QC
Some miniprep kits include color-coded lysis and neutralization buffers that allow visual confirmation of complete cell lysis (color change) and proper neutralization before loading the column, helping catch incomplete-lysis failures before they waste a column. This visual QC step is particularly useful for new users or when troubleshooting inconsistent yields across a batch of preps.
Endotoxin-free and large-construct options
For transfection-sensitive downstream applications, endotoxin-free miniprep kits add a dedicated wash step without significantly extending the protocol time; for large plasmids, cosmids, or BAC/YAC/PAC constructs, some miniprep kits are validated up to approximately 200 kb, while standard kits are optimized for constructs up to roughly 25 kb. Confirm both endotoxin status and size compatibility match your specific construct and downstream use before relying on a standard miniprep.
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<h2>Specifications context</h2>
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The key specs for plasmid miniprep selection are expected yield relative to your plasmid's copy number and culture volume, whether color-coded buffers aid visual QC, and whether endotoxin-free or large-construct compatibility is needed for your downstream application. A standard miniprep yielding up to roughly 20-25 ug in 10-15 minutes from 1-10 ml of culture covers most routine cloning workflows, while high-yield kits up to 100 ug reduce the need to scale up for moderately DNA-hungry applications. Labs running both daily cloning screens and occasional larger-scale prep work typically keep <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/miniprep-kits">miniprep kits</a>&nbsp;on hand alongside&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/midiprep-kits">midiprep kits</a>&nbsp;for when miniprep yields aren't sufficient. The parent&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits">plasmid DNA extraction kits category</a>&nbsp;and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/maxiprep-kits">maxiprep kits</a>&nbsp;cover larger-scale options, while the broader&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits">nucleic acid extraction kits hub</a>&nbsp;and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna">genomic DNA extraction kits category</a> link to chromosomal DNA workflows.&nbsp;
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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>

Miniprep Kits

MSDS

7X Lysis Buffer (Blue)

D4036-3 by Zymo Research — Endo-Wash Buffer for endotoxin removal during plasmid DNA purification with the Zyppy Plasmid Miniprep and ZR Plasmid Miniprep - Classic kits. Room temperature storage. Available in 6 ml, 15 ml, 30 ml, 60 ml, 120 ml, 160 ml, and 240 ml formats. Yields ultra-pure, endotoxin-reduced plasmid DNA.

Manufacturer

7X Lysis Buffer (12 ml) (Blue)

7X Lysis Buffer (30 ml) (Blue)

7X Lysis Buffer (48 ml) (Blue)

7X Lysis Buffer (6 ml) (Blue)

7X Lysis Buffer (60 ml) (Blue)

7ml round adapter for 50ml PP rotors, 6/pk

Z206-50-A57 by Hermle is a pack of 6 round-bottom adapters that reduce 50 ml polypropylene rotor positions to accept 5–7 ml blood-draw-type tubes on Hermle Z206A centrifuges. Seats tubes at the correct centrifugation angle without requiring a dedicated small-tube rotor.

PCR Strip Tubes & Caps

<h2 data-path-to-node="1"> What Are PCR Tube Racks?</h2>
 PCR tube racks are polypropylene holders that maintain 0.2 mL PCR tubes and strip tubes in a stable 8&times;12 (96-position) upright array during reaction setup, pre-PCR storage, and post-amplification handling. They stabilise tubes during multichannel pipetting, prevent tip deflection when dispensing with an 8-channel pipette, and serve as organisational tools for pre- and post-PCR sample management. Most racks accept both individual 0.2 mL tubes and 8-strip or 12-strip tubes in the same 96-well footprint.&nbsp;
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<h2 data-path-to-node="2">What you will find:</h2>
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96-well PCR tube racks for standard tube organization
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Color-coded PCR tube racks for sample tracking
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Stackable PCR tube racks for space-saving storage
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Autoclavable polypropylene tube racks for sterile workflows
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Racks for 0.2 mL PCR tubes and strip tubes
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Freezer-safe PCR tube storage racks for long-term use
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Ice-compatible PCR tube racks for cold-chain handling
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Multi-format tube racks for mixed sample workflows
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<h2 data-path-to-node="1"> How to Choose PCR Tube Racks</h2>
 Well Diameter and Tube Compatibility Standard 96-well PCR racks have a 5.2 mm well diameter, compatible with most 0.2 mL thin-wall PCR tubes from Globe Scientific, Nest Scientific, Axygen/Corning, Eppendorf, and equivalent brands. Confirm the collar diameter of your specific tube brand before ordering if using non-standard tube geometry. Lid: Hinged Flat vs Translucent Cover vs No Lid Hinged flat lids lie flush when open for unobstructed pipette access; the lid can be closed to protect tubes during incubation or transport. Translucent polycarbonate lids allow visual sample inspection without lid removal &mdash; useful for barcode readers that scan through the cover. Lidless racks are the simplest format for bench use, where brief sample exposure is acceptable. Colour Coding Racks are available in single colours (blue, green, pink, yellow, orange) and assorted multi-colour packs. Colour-coded racks help segregate pre-PCR and post-PCR samples, reducing cross-contamination risk in labs without fully separated pre/post-PCR workspaces. Autoclavability Polypropylene PCR tube racks are autoclavable at 121&deg;C (250&deg;F) for sterilisation between use cycles. Polycarbonate lids withstand repeated autoclave cycles at standard sterilisation conditions. SBS Footprint for Automation Select PCR strip racks with an SBS/SLAS-compliant footprint (127.76 &times; 85.47 mm) to enable use with robotic liquid handlers and automated workstations when processing strip tubes on automation platforms. 
<h2 data-path-to-node="1"> Specifications Context</h2>
 Standard 96-well PCR tube racks measure approximately 130 &times; 98 &times; 33 mm (L &times; W &times; H) with 5.2 mm well diameter and 9 mm well spacing. Polypropylene construction is chemical-resistant and autoclavable at 121&deg;C. Alphanumeric embossed grid (A&ndash;H rows, 1&ndash;12 columns) matches the labelling of PCR plates and plates for straightforward sample mapping. SP Bel-Art 96-well PCR racks and equivalent formats from Heathrow Scientific and Globe Scientific are widely distributed in North American research labs.&nbsp; 
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<a href="https://mbpinc.net/contact-us">Contact the MBP team now</a> to keep your samples in order so your workflow stays smooth from prep to analysis.

PCR Tube Racks

<h2 dir="ltr"> What Are 8-Strip PCR Tubes?</h2>
 8-strip PCR tubes are a connected row of eight individual thin-wall polypropylene tubes supplied as a single unit, designed for simultaneous processing of eight reactions per strip. The strip format accommodates multichannel pipettes at standard 9 mm well spacing, reducing setup time compared to handling individual tubes one at a time. Available in 0.2 mL for standard thermal cycler blocks and 0.1 mL for fast-block or low-profile instruments. Caps are available attached (dome or flat) or as separate cap strips for labs that prefer independent tube and cap management. 8-strip tubes are the most efficient manual format for 8- or 16-sample PCR batches &mdash; choose 0.2 mL for standard blocks, 0.1 mL for fast-block cyclers.
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<h2>What you will find: <a href="https://mbpinc.net/8-strip-pcr-tubes" title="8-strip PCR Tubes"></a></h2>
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0.2 mL 8-strip PCR tubes for standard thermal cyclers
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Clear 8-strip tubes for general PCR applications
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White 8-strip PCR tubes for improved qPCR signal detection
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Optically clear strip caps for real-time PCR assays
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Flat cap 8-strip tubes for tight sealing performance
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Attached cap strip tubes for faster workflow setup
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DNase- and RNase-free PCR strip tubes for clean reactions
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Thin-wall 8-strip tubes for fast and even heat transfer
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Compatible strip formats for most PCR and qPCR instruments
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<h2 dir="ltr"> How to Choose 8-Strip PCR Tubes</h2>
 Volume: 0.2 mL vs 0.1 mL Standard 0.2 mL strips fit conventional tall-block cyclers, including Bio-Rad T100, Eppendorf Mastercycler, and Applied Biosystems Veriti. Low-profile 0.1 mL strips are required for fast-block instruments such as the Applied Biosystems StepOnePlus, Bio-Rad CFX96 Fast, and Roche LightCycler 480, where the shallower well reduces thermal equilibration time and supports faster cycling protocols. Cap Style: Dome vs Flat, Optical vs Separate Cap Strip Attached dome caps are the standard choice for endpoint PCR, where no fluorescence is read through the cap lid. Flat optically clear attached caps &mdash; or separately purchased optical cap strips &mdash; are required for real-time qPCR when detection occurs through the top of the tube; dome caps attenuate fluorescence and compromise Ct consistency. Separate cap strips offer flexibility to mix dome and flat caps on the same strip. Attached vs Separate Caps Attached caps prevent cap mix-ups and reduce handling steps in high-throughput setups. Separate cap strips (tube strip + cap strip sold together in the same bag) allow independent tube loading and cap seating &mdash; preferred when using automated liquid handlers or when labelling the cap exterior is important. Colour Options Clear strips are standard; assorted colour packs (clear, red, yellow, blue, green) allow colour-coded sample tracking. White polypropylene strips increase qPCR fluorescence signal in bottom-read optical configurations by reflecting emission back through the detector. Strip Rigidity Split-apart strips (perforated between tubes) allow individual tubes to be broken off from the strip &mdash; useful when fewer than 8 reactions are needed and waste reduction matters. 
<h2 dir="ltr"> Specifications Context</h2>
 8-strip tube walls are typically 0.25&ndash;0.35 mm thick virgin polypropylene free of additives, antistatic agents, and dyes. Certified DNase-free, RNase-free, human DNA-free, and PCR inhibitor-free per independent lot testing. Standard packs contain 120 strips (960 reactions) for 0.2 mL format; 0.1 mL packs are often 120 strips as well. As of 2026, Axygen (Corning) PCR-0208-C and equivalent Globe Scientific formats are widely distributed through North American channels.&nbsp;
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<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> now if your workflow depends on speed and accuracy; this format keeps everything simple without losing control over your reactions.

8 Strip PCR Tubes

8 Strip PCR Tubes 0.2ml With Individual Attached Caps

MBP-011 by MBP — 0.2 mL 8-strip PCR tubes; domed or flat cap options; polypropylene; certified DNase-free and RNase-free; autoclavable; 126 strips per pack.

Volume

Color

Autoclavable

Material

Of Tubes

DNase / RNase Free

Cap Style

Quantity

8 Strip PCR Tubes 0.2ml With Individual Attached Flat Caps (126 Strips)

8 Strip PCR Tubes 0.2ml With Individual Attached Domed Caps (126 Strips)

8 x 1.5/2.0ml tube insert for Z327-200-BUK, 2/pk

The Z327-200-A20 by Benchmark Scientific (Hermle) is a 5-position insert for 1.5ml and 2.0ml microtubes in the Z327-200-BUK swing-out bucket for the Z307 and Z327 universal centrifuges. Rated to 5,000 rpm / 4,136 xg. Sold as a 2-pack.

8 x 1.8-7ml blood tube insert for Z327-200-BUK, 2/pk

Z327-200-A57 by Benchmark Scientific (Hermle) is a pack of 2 inserts, each holding 8 x 1.8–7 ml blood collection tubes, designed for the Z327-200-BUK swing-out rotor on Hermle Z307 and Z327 Universal Centrifuges. These inserts support standard Vacutainer and Vacuette formats for serum, plasma, and coagulation sample processing.