Brands

Universal Centrifuge

<h2>What Are Universal Centrifuges?</h2>
&nbsp;
Universal centrifuges are multi-purpose benchtop instruments designed with interchangeable rotor systems that support a wide range of laboratory applications. Fixed-angle rotors handle high-speed pelleting, while swing-out rotors accommodate blood tubes, conical tubes, microplates, and bottles. Additional options such as hematocrit and cytocentrifuge rotors allow a single instrument to process capillary tubes, blood collection tubes, microtubes, 15 mL and 50 mL conicals, SBS-format microplates, and large bottles up to 750 mL. Operating at 4,000&ndash;18,000 RPM and generating forces up to approximately 23,000 &times;g, universal centrifuges are widely used in research laboratories, clinical facilities, educational institutions, and other environments that require multiple workflows within a single platform.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" role="presentation"><a href="https://mbpinc.net/equipments/centrifuges/universal-centrifuge">Universal Centrifuges:</a> including models like Z287-A, used for efficient space routine processing, Z327/Z327-K, for varied lab applications; and Z446/Z446-K, for large-volume requirements.</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" role="presentation"><a href="https://mbpinc.net/equipments/centrifuges/universal-centrifuge/universal-centrifuge-accessories">Universal Centrifuge Accessories:</a> enhances functionality, improves compatibility, and easier handling across different types of samples </li>
</ul>
&nbsp;
<h2>How to Choose a Universal Centrifuge</h2>
&nbsp;
Define the Required Rotor Portfolio
Begin by identifying all tube and vessel formats used in your laboratory. Universal centrifuges can replace multiple dedicated instruments when the required rotor options support applications involving blood tubes, microtubes, conical tubes, microplates, and larger containers. Confirm which rotors are included with the instrument and which must be purchased separately.
Maximum RCF Range
Universal centrifuges are available in configurations ranging from low-speed models for clinical work to high-performance systems reaching approximately 23,000 &times;g. Laboratories requiring forces beyond this range for organelle isolation or virus pelleting should consider supplementing with a dedicated super-speed centrifuge.
Refrigerated vs. Non-Refrigerated
Non-refrigerated models are suitable for routine clinical applications, serum separation, and basic cell culture work. Refrigerated systems are recommended for temperature-sensitive procedures such as RNA extraction, enzyme studies, and protocols requiring operation at 4&deg;C.
Cytology (Cytospin) Capability
Laboratories performing cytology procedures may benefit from centrifuges equipped with cytocentrifuge clip rotors. These configurations support low-volume samples and eliminate the need for a separate dedicated cytology centrifuge.
Microplate Processing
Swing-out microplate carriers allow universal centrifuges to process standard and deep-well plates for applications such as ELISA, cell collection, and filtration workflows. Verify compatibility with the required plate dimensions and operating speeds before selection.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Universal centrifuges achieve their versatility through interchangeable buckets, adapters, and rotor systems that support a wide variety of sample formats. High-performance models provide centrifugal forces suitable for nucleic acid preparation, protein precipitation, and many routine molecular biology applications while maintaining the flexibility required for clinical and educational use.
Modern refrigerated systems offer improved temperature control, bio-containment features, and expanded rotor portfolios that allow laboratories to consolidate multiple workflows into a single instrument. These capabilities continue to make universal centrifuges a practical solution for multidisciplinary research and diagnostic environments.
Invest in a high-quality universal centrifuge. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Contact the expert team</a> at Molecular Biology Products Inc. (MBP) to book yours.

Product Literature

Z307 Universal Centrifuge

The Z307 by Hermle is a high-speed universal benchtop centrifuge spanning 200–14,000 rpm and up to 16,624 xg, with a 4 × 200ml maximum capacity and multi-rotor compatibility covering microplates, microtubes, blood collection tubes, 50ml conicals, and 200ml large-volume containers. Up to 99 programmable cycles, dual voltage (120V / 230V), and 30 kg (66 lbs) chassis support clinical, research, and industrial production workflows. MBP is a registered vendor to Howard Hughes Medical Institute, MD Anderson Cancer Center, Vanderbilt University, Eurofins, and many other institutes across the USA.

Speed Range

Max. RCF

Max. Capacity

Dimensions(W x D x H)	

Timer

Programs

Weight

Electrical

Manufacture

Z307 Universal Centrifuge, 120V

Z307 Universal Centrifuge, 230V

Super-Speed Centrifuges

<h2>What Are Super-Speed Centrifuges?</h2>
&nbsp;
Super-speed centrifuges, also known as high-speed centrifuges, bridge the performance gap between standard benchtop centrifuges and ultracentrifuges. Operating at 15,000&ndash;30,000 RPM and generating forces of 20,000&ndash;100,000 &times;g, they are used for harvesting microorganisms, isolating subcellular organelles, pelleting viruses, concentrating protein precipitates, and performing intermediate differential centrifugation steps. Active refrigeration is essential to maintain sample integrity by preventing heat buildup during high-speed operation. Super-speed centrifuges are available as benchtop and compact floor-standing models, offering different capacities to suit a range of laboratory workflows.
&nbsp;
<h2>What You Will Find</h2>
&nbsp;
<ul>
<li>Z36-HK Super-Speed Centrifuge: High-performance system for advanced laboratory applications</li>
<li>Z32-HK High-Speed Centrifuge: Reliable unit for routine high-speed workflows</li>
<li>High-Speed Microcentrifuge (24 &times; 1.5 mL Rotor): Designed for high-speed processing of small-volume samples</li>
<li>High-Speed Mini Centrifuge: Compact unit for quick spin applications</li>
<li>Super-Speed Centrifuge Accessories: Includes adapters for 2.0 mL rotors with flexible volume ranges (0.2&ndash;0.4 mL, 0.5 mL, and 1.5 mL) for various microtube sizes</li>
</ul>
&nbsp;
<h2>How to Choose a Super-Speed Centrifuge</h2>
&nbsp;
Maximum RCF for Your Protocol
Select a centrifuge that meets the highest centrifugal force required by your applications. Bacterial harvesting, organelle isolation, virus concentration, and protein precipitation each require different RCF ranges, so matching instrument performance to laboratory needs is essential.
Rotor Type and Tube Capacity
Fixed-angle rotors are commonly preferred for high-speed pelleting because they provide efficient particle sedimentation and compact pellet formation. Consider both rotor compatibility and the maximum sample volume required for routine workflows.
Refrigeration System
Choose a refrigerated model capable of maintaining stable temperatures, typically around 4&deg;C, during high-speed operation. Effective cooling helps preserve enzyme activity, protein integrity, and subcellular structures throughout extended centrifugation runs.
Safety Features
Modern super-speed centrifuges incorporate safety systems such as imbalance detection, overspeed protection, automatic lid locking, and sealed rotor options for biological samples. These features help ensure operator safety and maintain sample containment.
Certifications and Compliance
Laboratories operating under regulated environments may require equipment with documented calibration procedures, electronic data export capabilities, and certifications that support quality assurance and compliance requirements.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Super-speed centrifuges typically operate within a range of 20,000&ndash;70,000 &times;g, supporting applications such as organelle isolation, microbial harvesting, and preparative virology. Appropriate tube selection is critical, as high-speed applications often require specialized thick-walled tubes designed to withstand elevated centrifugal forces.
Routine rotor inspection and adherence to manufacturer maintenance schedules help maximize equipment lifespan and maintain safe operation. Modern refrigerated systems continue to provide improved temperature control, higher capacities, and advanced safety features for demanding research and industrial laboratory environments.
Find the perfect super-speed centrifuge for your laboratory today. <a href="https://mbpinc.net/contact-us">Contact now</a> with the expert team at Molecular Biology Products Inc. to discover the ideal solution for your needs.

Super-Speed Centrifuge

Z32-HK High Speed Centrifuge

The Z032-HK by Hermle Labortechnik GmbH (model Z32-HK) is a refrigerated high-speed floor centrifuge rated to 20,000 RPM and 38,007 × g, with a temperature range of −20°C to +40°C. Supporting 16 interchangeable rotors and sample volumes from 0.2 ml to 4 × 200 ml, the Z32-HK covers demanding preparative and analytical centrifugation across molecular biology, protein purification, and viral vector production applications.

Temp. Range

Dimensions

Z32-HK Refrigerated Centrifuge, 120V

Z32-HK Refrigerated Centrifuge, 230V

Z327 and Z327-K Universal Centrifuges

Z327 and Z327-K by Hermle are high-speed universal benchtop centrifuges reaching 18,000 RPM (23,542 × g) with a maximum capacity of 4 × 200 mL and up to 17 rotor configurations spanning 0.2 mL microtubes to 200 mL bottles. The Z327-K adds integrated rear-mounted refrigeration (–20 °C to +40 °C) in a 40 cm wide footprint. Both store 99 programs and support swing-out, fixed-angle, and microplate formats, making them a flexible centrifuge platform for multi-format research and clinical labs.

Dimensions(W x D x H)

Z327 Universal Centrifuge, 120V

Z327 Universal Centrifuge, 230V

Z327-K Refrigerated Universal Centrifuge, 120V

Z327-K-E Refrigerated Universal Centrifuge, 230V

Z36-HK Super Speed Centrifuge

Hermle Z36-HK (Z036-HK) is a benchtop superspeed refrigerated centrifuge reaching 30,000 RPM and 65,395 × g. Temperature range −20°C to +40°C, max capacity 6 × 250 mL, 10 rotor configurations, 120V/1,800W, 200 lbs. For density-gradient separations, virus concentration, and high-speed preparative runs.

Z36-HK Refrigerated Centrifuge, 120V

Z36-HK Refrigerated Centrifuge, 230V

Z366 and Z366-K Universal Centrifuges

Z366 by Hermle is a universal benchtop centrifuge reaching 16,000 RPM and 24,325 × g with automatic rotor identification, 99-program storage, and a maintenance-free induction motor. Swing-out rotor options span 4 × 250 ml to 6 × microplates; angled rotors cover 24 × 1.5 ml to 6 × 250 ml. The refrigerated Z366-K adds −20 °C to +40 °C temperature control. Both models: 120 V / 60 Hz, 5-year warranty.

Speed

Max RCF

Max Capacity

Wattage

Z366 Centrifuge, 120V

Z366 Centrifuge, 230V

Z366 K Refrigerated Centrifuge, 120V

Z366 K Refrigerated Centrifuge, 230V

Z446 and Z446-K Universal High Capacity Centrifuges

Z446 and Z446-K by Hermle/Benchmark Scientific are large-capacity benchtop centrifuges (ambient and refrigerated, respectively) sharing the same Hermle 4-series rotor ecosystem.

Power (Watts)

Z446 Centrifuge, 120V

Z446 Centrifuge, 230V

Z446-K Refrigerated Centrifuge, 120V

Z446-K Refrigerated Centrifuge, 230V

Z496 Ultra High Volume Floor Standing Centrifuge

Z496-K-UC by Hermle is an ultra-high-capacity underbench refrigerated centrifuge reaching 10,500 RPM / 16,022 × g with a 4 × 1,000 ml swinging-bucket rotor. The 70 cm underbench height fits under standard lab benches; temperature control spans −20 °C to +40 °C; RFID rotor ID auto-converts RPM to RCF. Processes 98 × 15 ml conicals, 40 × 50 ml conicals, microplates, and 500/750 ml blood bags via insert accessories. 230 V only.

Z496-K High Volume Underbench centrifuge (230V ONLY)

Z496-K High Volume Floor Standing centrifuge (230V ONLY)

<h2>What is a 1 kb DNA ladder?</h2>
&nbsp;
A 1 kb DNA ladder is a gel electrophoresis size standard containing a defined set of double-stranded DNA fragments spaced at or near 1-kilobase intervals, produced by digesting proprietary plasmids with restriction enzymes to generate typically 10 or more bands spanning 0.5 to 10 kb. One band, commonly at 3.0 kb, is supplied at higher concentration to serve as a bright reference band for rapid gel orientation. The 1 kb ladder is one of the most widely used size standards for routine molecular biology applications, covering the size range commonly encountered in PCR products, restriction digests, and cloned inserts.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">ZR 1 kb DNA Marker for gel electrophoresis analysis and routine DNA fragment sizing&nbsp;</li>
<li dir="ltr" role="presentation">Azura PureView&trade; 1kb DNA Ladder for the detection of DNA bands with high visibility in agarose gel systems</li>
<li dir="ltr" role="presentation">1kb Plus Opti-DNA Marker for cloning verification workflows and a wide range of DNA fragment analysis&nbsp;</li>
<li dir="ltr" role="presentation">1kb Opti-DNA Marker used in nucleic acid analysis and PCR for standard molecular weight reference&nbsp;</li>
<li dir="ltr" role="presentation">Accuris SmartCheck&trade; 1kb DNA Ladder for quality assessment of gel and DNA sizing with high precision</li>
<li dir="ltr" role="presentation">1 KB DNA Marker for routine DNA electrophoresis&nbsp;</li>
</ul>
&nbsp;
<h2>How to choose a 1 kb DNA ladder variant</h2>
&nbsp;
Choose a standard 1 kb ladder for routine PCR and restriction digest analysis
A standard 1 kb ladder with fragments spanning approximately 0.5 to 10 kb is suitable when most expected DNA fragments fall within this range, making it ideal for routine PCR verification and restriction digest analysis.
Choose a 1 kb Plus ladder when samples include smaller fragments below 500 bp
The 1 kb Plus format extends coverage down to 100 bp while maintaining the upper size range, making it useful when both small PCR products and larger DNA fragments need to be analyzed on the same gel.
Choose a 1 kb Extend ladder when samples include very large DNA fragments
The 1 kb Extend ladder expands coverage up to approximately 48.5 kb and is appropriate for large plasmids, BAC clones, and other high-molecular-weight DNA fragments analyzed on low-percentage agarose gels.
Use the recommended loading volume for accurate mass estimation
Loading the ladder according to the manufacturer's recommended amount helps ensure that any provided band mass references can be used for approximate comparison of DNA quantity based on staining intensity.
Confirm the tracking dye is compatible with your staining and imaging setup
Different ladder formulations use different tracking dyes. Some dyes may partially obscure nearby bands under UV visualization, while alternative formulations are designed to minimize interference and improve visibility across the entire ladder range.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Standard 1 kb DNA ladders are generated from defined DNA templates digested to produce fragments of known sizes. Enhanced-intensity reference bands are included to provide a readily identifiable orientation marker during gel analysis.
Ready-to-load 1 kb ladder formats with reduced-shadow tracking dyes are commonly used in routine agarose gel electrophoresis workflows because they simplify preparation and improve overall band visibility.
<a href="https://mbpinc.net/contact-us">Contact the expert team at MBP</a> to book high-quality 1Kb DNA Ladders for your lab today.

1Kb DNA Ladders

MSDS - M5003

MSDS - M5006

Protocol

ZR 1 kb DNA Marker

M5003-200 by Zymo Research is the ZR 1 kb DNA Marker (200 µg / 400 µL), a 10-band ladder spanning 0.5–10 kb with an enhanced 3 kb reference band, at 500 µg/mL in Tris-EDTA buffer — loaded at 1 µg per lane for sizing PCR products, restriction digests, and linearized plasmids.

Manufacturer

Shipping Condition

Storage Condition

ZR 1 kb DNA Marker™ (200 µg/400 µl)

ZR 1 kb DNA Marker™ (50 µg/100 µl)

ZR 1 kb DNA Marker™ (Ready-to-Load) (50 µg/600 µl)

<h2>What is a 100 bp DNA ladder?</h2>
&nbsp;
A 100 bp DNA ladder provides reference bands at 100-base-pair intervals, typically covering 100 bp to 1000 bp or 100 bp to 2000 bp depending on the variant, making it the most commonly used size standard for routine sizing of small PCR amplicons and restriction digest products. Most commercially available 100 bp ladders include a brighter reference band at 500 bp or 600 bp for quick orientation, and many are available in ready-to-load formats pre-mixed with loading dye and glycerol for direct pipetting into gel wells.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
ZR 100 bp DNA Marker (M5002-200) for high-resolution sizing of DNA fragments in routine electrophoresis workflows
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
PureView 100bp DNA Ladder for precise sizing and enhanced band visualization of small DNA fragments
</li>
</ul>
&nbsp;
<h2>How to choose and use a 100 bp DNA ladder</h2>
&nbsp;
Use a 100 bp ladder when your samples are mostly below 2 kb
A 100 bp ladder provides more resolution than a 1 kb ladder in the small-fragment range, since 100 bp spacing gives reference bands every 100 bp rather than every 1000 bp. If samples span a broader size range, the 1 kb Plus ladder extending down to 100 bp may be a more versatile single-ladder choice.
Run small-fragment gels on 1.5&ndash;2% agarose for best resolution
Fragments in the 100&ndash;500 bp range benefit from 1.5&ndash;2% agarose, which gives tighter, better-defined bands in this small-fragment window and reduces the risk of small bands reaching the gel front before larger fragments are adequately separated.
Look for a 500 bp or 600 bp reference band for easy orientation
Most 100 bp ladders include a brighter band at a convenient midpoint like 500 bp or 600 bp, which serves as a visual anchor for counting up or down in 100 bp intervals to identify the nearest ladder band.
Choose between upper ranges (1000 bp vs 2000 bp) based on sample sizes
Some 100 bp ladders cover only to 1000 bp (10 bands), while extended versions cover up to 2000 bp. If samples occasionally include products above 1000 bp, the extended range provides coverage without switching to a separate 1 kb ladder.
Pair with a 1 kb ladder when samples span both large and small size ranges
If an experiment includes both small PCR amplicons around 100&ndash;500 bp and larger restriction fragments above 2 kb, loading both a 100 bp and a 1 kb ladder in adjacent lanes provides accurate reference coverage across the full size range.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The 100 bp DNA ladder is one of the two most commonly used DNA size standards in routine molecular biology labs, alongside the 1 kb ladder, and most labs running small PCR products routinely keep a 100 bp ladder on hand. As of 2026, ready-to-load 100 bp ladder formats with a 500 bp or 600 bp bright reference band remain the default choice for routine agarose gel electrophoresis of small PCR products and restriction digest fragments.
<a href="https://mbpinc.net/contact-us">Contact the expert team at MBP</a> for assistance in selecting the right 100bp DNA ladder for your lab.

100bp DNA Ladders

MSDS

ZR 100 bp DNA Marker

ZR 100 bp DNA Marker by Zymo Research: 12 defined fragments covering 100–1,500 bp, with intensified 500 bp and 1,000 bp reference bands for agarose gel electrophoresis. Endonuclease-digested plasmid DNA. Available in 50 µg and 200 µg quantities. Research use only.

ZR 100 bp DNA Marker™ (200 µg/400 µl)

ZR 100 bp DNA Marker™ (50 µg/100 µl)

ZR 100 bp DNA Marker™ (Ready-to-Load) (50 µg/600 µl)

<h2>What is a 50 bp DNA ladder?</h2>
&nbsp;
A 50 bp DNA ladder provides reference bands spaced at 50-base-pair intervals, most commonly covering 50 bp to 1000 bp (or up to 1500 bp in some extended formats), making it suitable for gel electrophoresis experiments where samples are very small DNA fragments that a 100 bp ladder cannot resolve accurately because 100 bp band spacing is too coarse. Common applications include microsatellite and STR genotyping, analysis of small restriction digest products, multiplex or nested PCR amplicons, and other short-fragment applications in the 50&ndash;500 bp range where precise size discrimination is needed.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
ZR 50 bp DNA Marker for precise analysis of smaller DNA fragments&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Azura PureView&trade; 50 bp DNA Ladder for high-resolution gel results in electrophoresis
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Accuris SmartCheck&trade; 50bp DNA Ladder for size determination of PCR products
</li>
</ul>
&nbsp;
<h2>How to choose and use a 50 bp DNA ladder</h2>
&nbsp;
Use a 50 bp ladder when your fragments differ by less than 100 bp and are below 500 bp
The primary reason to use a 50 bp ladder over a 100 bp ladder is when your samples include fragments with size differences of less than 100 bp that need to be resolved, such as microsatellite alleles or closely-sized PCR amplicons from multiplex reactions.
Run small-fragment gels on 2&ndash;4% agarose or polyacrylamide for adequate resolution
High-percentage agarose (2&ndash;4%) or polyacrylamide gels are needed to resolve very small DNA fragments as distinct bands rather than all migrating together near the gel front, since standard 1% agarose does not provide sufficient resolution for fragments below approximately 200 bp.
Use a reference band at a convenient size for quick orientation
Many 50 bp ladders include a brighter reference band at a convenient, easy-to-remember size such as 250 bp or 500 bp, which serves as an anchor for identifying surrounding bands without counting from the well each time.
Confirm the 50 bp ladder's smallest band is detectable with your staining system
Very small DNA fragments, especially below 100 bp, can be difficult to detect or may run off the gel front quickly, and confirming that the ladder's smallest defined bands are visible under your staining and imaging setup helps ensure the full ladder range is usable.
Consider polyacrylamide gels for the highest resolution of fragments below 200 bp
Polyacrylamide gel electrophoresis provides substantially higher resolution than high-percentage agarose for fragments below 100&ndash;200 bp, making it the preferred format when single-base or very fine size discrimination is needed in this range, such as for SSR or STR genotyping.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Standard 50 bp DNA ladders typically cover from 50 bp to 1000 bp with bands at 50 bp intervals, and many include a brighter reference band at 250 bp or 500 bp for quick orientation. As of 2026, the 50 bp ladder remains the standard small-fragment size reference for microsatellite and STR genotyping workflows, whether on standard agarose or capillary electrophoresis platforms where defined size standards are loaded alongside samples.
<a href="https://mbpinc.net/contact-us">Contact the expert team of Molecular Biology Products Inc. (MBP)</a> and get premium-quality 50bp DNA ladders for your next experiment.

50bp DNA Ladders

ZR 50 bp DNA Marker

ZR 50 bp DNA Marker by Zymo Research contains 12 defined fragments spanning 50–1,200 bp with an enhanced 300 bp reference band, at 500 µg/mL in Tris-EDTA buffer — used at 1 µg per lane for agarose gel sizing of PCR amplicons and restriction fragments. Available in 50 µg and 200 µg formats.

ZR 50 bp DNA Marker™ (200 µg/400 µl)

ZR 50 bp DNA Marker™ (50 µg/100 µl)

ZR 50 bp DNA Marker™ (Ready-to-Load) (50 µg/600 µl)

<h2>What are plasmid miniprep kits?</h2>
&nbsp;
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.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<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>
</ul>
&nbsp;
<h2>How to choose a plasmid miniprep kit</h2>
&nbsp;
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.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
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;
<section class="mbp-contact-cta">
&nbsp;
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

ZR BAC DNA Miniprep Kit

D4048 by Zymo Research — ZR BAC DNA Miniprep Kit (25 preps) for rapid isolation of BAC, PAC, fosmid, and cosmid DNA up to ~200 kb from E. coli. 15-minute protocol; elution ≥ 10 µl; yield up to 10 µg per prep; purity A260/A280 ≥ 1.8, A260/A230 ≥ 2.0. Includes colored buffer system for visual lysis confirmation.

Applicable For

Elution Volume

Equipment

Processing Time

Purity

Size Range

Yield

ZR BAC DNA Miniprep Kit (25 Preps.)

ZR BAC DNA Miniprep Kit (100 Preps.)

Tubes

ZR Bashing Bead Lysis Tubes (2 mm) (50 Pack)

ZR Bashing Bead Lysis Tubes (2 mm) by Zymo Research (S6003-50) are 2 ml impact-resistant screw-cap tubes pre-loaded with 2 mm zirconium oxide beads for mechanical lysis of tough samples including soil, stool, biofilms, and gram-positive bacteria. Supplied in a 50-pack for microbiome and metagenomics workflows, these tubes are compatible with standard bead homogenizers and integrate directly into Zymo Research DNA/RNA extraction kits.

United States

Texas

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