Brands

<h2>What are microbial and environmental DNA isolation kits?</h2>
&nbsp;
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.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<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>
&nbsp;
<h2>How to choose a microbial and environmental DNA isolation kit</h2>
&nbsp;
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.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
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">
&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>

Microbial & Environmental DNA Isolation

DataSheet

D4303/D4309-MSDS

D4307-MSDS

D4303-Protocol

D4303-Optimized Lysis Protocols

ZymoBIOMICS™-96 DNA Kit

D4303 by Zymo Research is the ZymoBIOMICS™-96 DNA Kit (2 × 96 preps) for high-throughput inhibitor-free microbial DNA extraction from feces (≤100 mg), soil (≤100 mg), cells, biofilms, and water—validated for microbiome and metagenomic analyses. Yields up to 5 µg per sample in ≥20 µl with OneStep PCR Inhibitor Removal and supports a centrifuge-based 96-well plate format.

Applicable For

Elution Volume

Equipment

Processing Volume

Purity

Sample Source

Sample Storage

Size Range

Type

Yield

Manufacturer

Shipping Condition

Storage Condition

ZymoBIOMICS™-96 DNA Kit (2 x 96 Preps.)(includes ZymoBIOMICS® BashingBead™ Lysis Rack)

ZymoBIOMICS™-96 DNA Kit (2 x 96 Preps.)(includes ZR BashingBead™ Lysis Tubes)

ZymoBIOMICS™-96 DNA Kit (2 x 96 Preps.)(Lysis Matrix Not Included)

<h2 data-section-id="b4wzzk" data-start="0" data-end="47">What is bacterial culture media for cloning?</h2>
&nbsp;
Bacterial culture media for cloning workflows includes LB (Luria-Bertani) broth and agar, the standard general-purpose media for E. coli growth, SOC media used for post-transformation recovery, and Terrific Broth for higher-density culture in plasmid preparation. Pre-made agar plates with antibiotic selection (ampicillin, kanamycin, chloramphenicol, and others matching common selection markers) are used to isolate colonies carrying the desired plasmid. Related entities include antibiotic selection markers matching transformation kit resistance genes, post-transformation recovery time, and plasmid yield scaling with culture volume and media richness.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">ZymoBroth Growth Media for efficient transformation workflows to generate highly competent bacterial cells</li>
<li dir="ltr" role="presentation">Overexpression Broth (OB) optimized for increasing recombinant protein yields with high-density nutrient media.</li>
<li dir="ltr" role="presentation">Expansion Broth (EB) for the faster and more reliable expansion of microbial cultures.</li>
<li dir="ltr" role="presentation">Dual Media Sets for integrated growth and induction workflows with the help of combined EB and OB systems</li>
</ul>
&nbsp;
<h2 data-section-id="9xi4x5" data-start="919" data-end="971">How to choose bacterial culture media for cloning</h2>
&nbsp;
LB broth/agar vs. Terrific Broth
LB broth and agar are the standard general-purpose media for routine cloning, colony selection, and small-scale plasmid preparation, while Terrific Broth provides higher nutrient density supporting higher bacterial cell density, making it useful when maximizing plasmid yield in larger-scale preparations.
SOC media for post-transformation recovery
SOC media is richer than standard LB and supplemented with glucose and magnesium. It is commonly used for a brief recovery incubation immediately after heat-shock or electroporation transformation, helping transformed cells recover before plating on selective agar. Some transformation protocols specifically recommend SOC rather than LB for this recovery step.
Antibiotic selection matching
Pre-made antibiotic-selective agar plates must match the resistance marker carried by the transformed plasmid, whether ampicillin, kanamycin, chloramphenicol, or another selection marker. Using the wrong antibiotic&mdash;or no antibiotic at all&mdash;will not properly select for plasmid-containing colonies and may allow unwanted bacterial growth.
Liquid vs. agar plate formats and shelf life
Liquid media (broth) is used for post-transformation recovery and culture scale-up, while agar plates are used for colony isolation and selection. Pre-made antibiotic plates have a defined shelf life because antibiotics gradually lose activity over time, making expiration dates particularly important for antibiotics with lower stability.
&nbsp;
<h2 data-section-id="1fljvas" data-start="3523" data-end="3548">Specifications context</h2>
&nbsp;
LB broth and agar are formulated with defined concentrations of tryptone, yeast extract, and sodium chloride, with agar plates commonly supplied in standard Petri dish sizes (for example, 100 mm) and containing antibiotic concentrations matched to common resistance markers, such as 100 &micro;g/mL ampicillin or 50 &micro;g/mL kanamycin. SOC recovery is typically performed as a short incubation, often around one hour at 37&deg;C with shaking, before plating cells on selective agar.&nbsp;
This sub-category is part of MBP's cloning catalog alongside transformation kits and competent cells, the immediately preceding step, and chemicals/reagents for enzyme-based fragment preparation. Labs scaling up plasmid production for lentivirus packaging in immortalization workflows can also review MBP's cell immortalization catalog. MBP's specialist team can help confirm antibiotic concentration and media format requirements for a specific selection marker before order placement.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today to request a quote for high-quality culture media.

Culture Media

MSDS

ZymoBroth

ZymoBroth by Zymo Research: growth medium for highly competent E. coli cell preparation, delivering 5–100× transformation efficiency over standard SOB. Compatible with JM109, HB101, BL21, and other strains. Part of the Mix &amp; Go! Transformation Kit workflow. Room temperature storage. Research use only.

Product Storage

ZymoBroth™ (100 ml)

ZymoBroth™ (500 ml)

<h2>What Are Zymo Research Buffers?</h2>
Zymo Research buffers are formulation-specific reagents used at defined steps &mdash; lysis, binding, wash, and elution &mdash; in Zymo-Spin column-based purification protocols for DNA, RNA, and bisulfite-converted DNA. Each buffer is optimized for a specific kit family: DNA Wash Buffer concentrate (requires ethanol addition before use) removes salts and contaminants before elution from Zymo-Spin silica columns; DNA Elution Buffer (10 mM Tris, pH 8.5, 0.1 mM EDTA) releases purified DNA from the matrix; RNA Wash Buffer supports RNA extraction kits including Quick-RNA and Direct-zol lines; M-Elution Buffer is designed for eluting bisulfite-converted DNA in EZ DNA Methylation kits. Researchers typically order these separately when a single buffer component runs out before the rest of the kit, or when scaling up a protocol beyond the volume included.
TL;DR: Order Zymo buffers individually to replenish a specific step in your existing Zymo workflow without replacing the full kit.
<h2>How to Choose Zymo Research Buffers</h2>
<h3>Match the buffer to your kit family</h3>
Every Zymo buffer is paired to a specific kit line. DNA Wash Buffer and DNA/RNA Wash Buffer concentrate are used in DNA Clean &amp; Concentrator, Quick-DNA, and Zymoclean Gel DNA Recovery kits. RNA Wash Buffer pairs with Quick-RNA kits. ZymoBIOMICS DNA Wash Buffer 1 and Wash Buffer 2 are specific to the ZymoBIOMICS microbiomics line. Substituting a buffer from a different kit family can compromise yield or purity.
<h3>Confirm ethanol addition requirements before use</h3>
Several Zymo wash buffer concentrates require addition of 96-100% ethanol to the bottle before first use &mdash; the label states the exact volume. DNA Wash Buffer concentrate, DNA/RNA Wash Buffer concentrate, and Urine DNA Wash Buffer concentrate all require this step. Pre-made (non-concentrate) versions such as RNA Wash Buffer are supplied ready to use.
<h3>Select the right volume for your throughput</h3>
Zymo buffers are available in sizes from 6 ml (single-experiment replenishment) up to 500 ml (Buffer P1 Red, for high-volume plasmid prep labs). For labs processing more than 50 samples per week, ordering the largest available size reduces per-sample cost and the frequency of reordering.
<h3>Choose elution buffer chemistry based on downstream application</h3>
DNA Elution Buffer (10 mM Tris pH 8.5, 0.1 mM EDTA) is the standard for most PCR and sequencing applications. For applications sensitive to EDTA &mdash; such as some restriction enzyme digests or direct use with divalent cation-dependent enzymes &mdash; eluting in molecular-grade water or a Tris-only buffer is preferable. M-Elution Buffer is specifically formulated for bisulfite-converted DNA and should not be substituted with standard elution buffer in methylation workflows.
<h3>Verify research-use-only status</h3>
All Zymo Research buffers sold through MBP are for research use only (RUO). They are not cleared for in vitro diagnostic use. For clinical or diagnostic laboratory applications, confirm regulatory status with your institutional compliance officer before use.
<h2>Compare Zymo Buffer Types</h2>
<table>
<thead>
<tr>
<th>Buffer Type</th>
<th>Primary Application</th>
<th>Kit Family</th>
<th>Format Available</th>
</tr>
</thead>
<tbody>
<tr>
<td>DNA Wash Buffer (concentrate)</td>
<td>Salt removal before DNA elution</td>
<td>DNA Clean &amp; Concentrator, Quick-DNA</td>
<td>6 ml &ndash; 200 ml</td>
</tr>
<tr>
<td>DNA/RNA Wash Buffer (concentrate)</td>
<td>Salt removal for dual DNA/RNA preps</td>
<td>Quick-DNA/RNA kits</td>
<td>6 ml &ndash; 200 ml</td>
</tr>
<tr>
<td>DNA Elution Buffer (10 mM Tris pH 8.5, 0.1 mM EDTA)</td>
<td>DNA release from silica column</td>
<td>All Zymo DNA purification</td>
<td>16 ml &ndash; available sizes vary</td>
</tr>
<tr>
<td>RNA Wash Buffer</td>
<td>RNA purification wash step</td>
<td>Quick-RNA kits</td>
<td>Ready-to-use</td>
</tr>
<tr>
<td>M-Elution Buffer</td>
<td>Elution of bisulfite-converted DNA</td>
<td>EZ DNA Methylation kit families</td>
<td>Small volume</td>
</tr>
<tr>
<td>ZymoBIOMICS DNA Wash Buffer 2</td>
<td>Metagenomic/microbiomic DNA cleanup</td>
<td>ZymoBIOMICS DNA kits</td>
<td>Sold separately</td>
</tr>
<tr>
<td>Buffer P1 Red</td>
<td>Alkaline lysis resuspension (plasmid prep)</td>
<td>Zyppy Plasmid Miniprep</td>
<td>10 ml &ndash; 500 ml</td>
</tr>
</tbody>
</table>
<h2>Specifications Context</h2>
Zymo wash buffer concentrates are supplied at a defined fold-concentration (commonly 4x or 6x) and require ethanol addition to reach working strength &mdash; the exact ratio is printed on the bottle and in the kit protocol. Elution buffer volumes for Zymo-Spin columns typically range from 6 to 100 &micro;l per elution; larger elution volumes improve total yield at the cost of DNA concentration. For DNA elution from Zymo-Spin columns, the protocol recommends a minimum 1-minute contact time between elution buffer and the silica matrix to maximize recovery of fragments 10 kb and above. As of 2025, Zymo Research tests all buffer lots for performance consistency, with integrity guaranteed for up to one year from purchase date.
Browse the full <a href="https://www.notion.so/reagents">Zymo Research reagents collection at MBP</a> for kits and columns that use these buffers, or visit our <a href="https://www.notion.so/reagents/buffers">reagent buffers category</a> for non-Zymo buffer options including ABM and other brands. For volume orders or purchase orders, use the <a href="https://www.notion.so/quickorder">Quick Order</a> tool or <a href="https://www.notion.so/contact-us">contact us</a> directly &mdash; MBP is a registered vendor for institutional procurement systems.
Last updated: June 2025
&nbsp;

Zymo Buffers

ZymoMag Protein A

ZymoMag Protein A by Zymo Research are magnetic Protein A beads for chromatin immunoprecipitation (ChIP) and methylated-DNA IP (MeDIP), validated with the Zymo-Spin ChIP Kit (D5209/D5210). Available in 200 µL and 400 µL, manufactured in the USA.

ZymoMag Protein A (400 µl)

<h2>What are plasmid midiprep kits?</h2>
&nbsp;
A plasmid midiprep kit scales SDS/alkaline lysis and silica-membrane column binding (or anion-exchange resin with gravity flow) to 150-300 ml of overnight E. coli culture, recovering 0.5-2 mg of plasmid DNA with lysate clearing accomplished by high-speed centrifugation followed by a clearing column or filtration step, completable in as little as 30 minutes for some spin/vacuum formats. Related entities include high-speed centrifugation for lysate clearing, NucleoSnap-type midi formats, endotoxin removal washes, and downstream applications including moderate-scale transfection and multi-reaction restriction/sequencing work. Choose midiprep when miniprep yields (up to ~25-100 ug) aren't sufficient, but full maxiprep-scale culture volume (100-500 ml) and processing time aren't necessary.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Rapid 25-minute midiprep kits to bypass lengthy gravity-flow precipitation steps utilizing accelerated column dynamics</li>
<li dir="ltr" role="presentation">Vacuum-assisted syringe-filter plasmid midi modules engineered for rapid and debris-free clearing of lysates without manual pelleting</li>
<li dir="ltr" role="presentation">Endotoxin-free intermediate purification systems for sensitive mammalian cell screening by delivering transfection-grade constructs</li>
<li dir="ltr" role="presentation">High-purity silica spin-column configurations optimized for elution of high-copy vectors&nbsp;</li>
<li dir="ltr" role="presentation">Advanced anion-exchange gravity-flow assemblies provide template purity for downstream sequencing.</li>
</ul>
&nbsp;
<h2>How to choose a plasmid midiprep kit</h2>
&nbsp;
When midiprep fits between mini and maxi
Midiprep format is the right choice when your downstream application needs more DNA than a miniprep provides (roughly 20-100 ug depending on chemistry) but doesn't require the largest maxiprep-scale yields (up to 1 mg or more); 0.5-2 mg from 150-300 ml culture covers many moderate-scale transfection experiments and multi-replicate downstream reactions. If you find yourself running multiple minipreps to pool DNA for a single transfection, a single midiprep is often more efficient.
Lysate clearing method
Midiprep kits clear lysate using high-speed centrifugation followed by a clearing column (spin or vacuum format) or filtration through folded filters in anion-exchange systems; spin/vacuum clearing formats can complete the full protocol in as little as 30 minutes, while gravity-flow anion-exchange systems may take longer but avoid centrifugation steps for the binding/wash/elute portion. Match the clearing method to your lab's available centrifuge capacity (rotor size for 150-300 ml tubes) and time constraints.
Endotoxin-free midiprep options
For transfection of sensitive cell types, endotoxin-free midiprep kits using anion-exchange chemistry can achieve endotoxin removal in a unique washing step without additional incubations, suitable for transfection of highly sensitive cells, vaccination research, or gene therapy applications. If your midi-scale prep feeds directly into sensitive-cell transfection, confirm the kit's endotoxin specification (e.g., below 0.1 EU/ug) against your cell type's documented sensitivity.
Plasmid copy number and culture volume within the midi range
As with miniprep, plasmid copy number affects yield within the midiprep culture volume range - low-copy plasmids may need culture volumes toward the higher end (300 ml) to reach typical midi yields, while high-copy plasmids may reach 1-2 mg even at 150 ml. Plan culture volume within the midi range based on your specific vector rather than defaulting to the kit's maximum stated volume.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The key specs for midiprep selection are whether 0.5-2 mg from 150-300 ml culture meets your downstream DNA quantity needs without over- or under-scaling, lysate clearing method (centrifugation-based spin/vacuum vs. gravity-flow anion-exchange), and endotoxin status for transfection-sensitive applications. A midiprep completing in as little as 30 minutes via spin/vacuum clearing offers a time advantage over gravity-flow systems while still avoiding the larger culture volumes of maxiprep. Labs whose miniprep yields are consistently insufficient for their transfection protocols typically move to <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/midiprep-kits">midiprep kits</a>&nbsp;before considering&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/maxiprep-kits">maxiprep kits</a>, which require substantially more culture volume and processing time. 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/miniprep-kits">miniprep kits</a>&nbsp;cover smaller-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">
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>

Midiprep Kits

MSDS - D4213

MSDS - D4213-1

MSDS - D4213-2

MSDS - D4213-3

Protocol

ZymoPURE - Express™ Plasmid Midiprep Kit

D4213 by Zymo Research: ZymoPURE-Express™ Plasmid Midiprep Kit, 25 preps. 15-minute direct lysis protocol from 25 mL E. coli culture. Yield 100–200 µg; ≤1 EU/µg endotoxin; up to 200 kb. Syringe Filter-X included. Made in USA.

Binding Capacity

Culture Input

Endotoxin Levels

Format

Processing Time

Recommended Sample Volume

Yield 

ZymoPURE - Express™ Plasmid Midiprep Kit (25 Preps.)

ZP Express Lysis Buffer (210 ml)

ZP Express Neutralization Buffer (260 ml)

ZP Express Binding Buffer (260 ml)

ZymoPURE Binding Buffer for ZymoPURE Plasmid Purification Kits

D4200-4 by Zymo Research is the ZymoPURE Binding Buffer, a standalone component for the ZymoPURE Plasmid Purification Kit series (D4200/D4201 Midiprep, D4202/D4203 Maxiprep). Used in the DNA binding step to adsorb transfection-grade plasmid DNA onto ZymoPURE silica columns from clarified E. coli lysate. Available in volumes from 3 ml to 410 ml for workflow replenishment. Room temperature storage. Made in USA by Zymo Research.

ZymoPURE™ Binding Buffer (110 ml)

ZymoPURE™ Binding Buffer (14 ml)

ZymoPURE™ Binding Buffer (150 ml)

ZymoPURE™ Binding Buffer (210 ml)

ZymoPURE™ Binding Buffer (3 ml)

ZymoPURE™ Binding Buffer (410 ml)

Plates

ZymoPURE Filter Plate (2 pack)

C2022 by Zymo Research is a 2-pack of 96-well filter plates with 1.0 ml per well capacity for rapid clarification of bacterial lysates in high-throughput plasmid purification workflows. Refill component for the ZymoPURE 96 Plasmid Miniprep Kit (D4214/D4215); compatible with centrifuge and vacuum manifold.

Capacity

Dimensions (H x W x L)

ZymoPURE Wash 1 for ZymoPURE Plasmid Purification Kits

D4200-5 by Zymo Research is ZymoPURE Wash 1, the ready-to-use first wash buffer (5 ml per prep) applied after DNA binding in ZymoPURE II Midiprep, Maxiprep, and Gigaprep workflows. No ethanol preparation needed. Removes initial-pass protein and RNA contaminants before ZymoPURE Wash 2 (D4200-6). Available in 20–500 ml sizes.

ZymoPURE™ Wash 1 (20 ml)

ZymoPURE™ Wash 1 (320 ml)

ZymoPURE™ Wash 1 (410 ml)

ZymoPURE™ Wash Buffer 1 (500 ml)

ZymoPURE™ Wash 1 (55 ml)

ZymoPURE™ Elution Buffer for ZymoPURE Plasmid Purification Kits

Zymo Research D4200-7 ZymoPURE™ Elution Buffer: 10 mM Tris-HCl pH 8.5, 0.1 mM EDTA. Compatible with ZymoPURE Miniprep, ZymoPURE II Midiprep/Maxiprep/Gigaprep, and ZymoPURE-Express Midiprep kits. Available in 1 mL, 6 mL, 12 mL, and 30 mL volumes. Room temperature storage. Non-hazardous. Made in USA.

ZymoPURE™ Elution Buffer (1 ml)

ZymoPURE™ Elution Buffer (12 ml)

ZymoPURE™ Elution Buffer (30 ml)

ZymoPURE™ Elution Buffer (6 ml)

<h2>What Are Gigaprep Kits?</h2>
&nbsp;
Gigaprep kits are alkaline-lysis-based plasmid purification systems scaled for bacterial cultures of 1-2.5 L, yielding 10-25 mg of plasmid DNA per preparation. The purified DNA is endotoxin-free (typically &lt;=0.1 EU/ug), concentrated to up to 6 ug/ul, and compatible with demanding downstream workflows including mammalian cell transfection, in vitro transcription, gene therapy vector production, and automated sequencing. Unlike miniprep or maxiprep kits, a gigaprep processes sufficient DNA to support multi-well transfection screens, viral vector packaging batches, or long-running in vitro assays from a single prep.&nbsp;Choose a gigaprep kit when your protocol requires more than 2-5 mg of transfection-grade plasmid DNA in a single preparation.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1q3vh4q" data-start="25" data-end="147">Large-scale plasmid DNA purification kits, including the ZymoPURE&trade; II Plasmid Gigaprep Kit, for high-yield DNA recovery.</li>
<li data-section-id="epfgfk" data-start="148" data-end="266">Gravity-flow purification systems that eliminate the need for vacuum manifolds and centrifugation during processing.</li>
<li data-section-id="hdtzmb" data-start="267" data-end="364">Advanced anion-exchange column technology for efficient removal of contaminants and impurities.</li>
<li data-section-id="1ti4gf8" data-start="365" data-end="467">Transfection-grade plasmid DNA preparation solutions suitable for demanding downstream applications.</li>
<li data-section-id="82zytf" data-start="468" data-end="598" data-is-last-node="">High-capacity plasmid isolation products designed for research, protein expression, and large-scale molecular biology workflows.</li>
</ul>
&nbsp;
<h2>How to Choose Gigaprep Kits</h2>
&nbsp;
Purification Chemistry
Anion-exchange resin kits (gravity-flow or vacuum column) use charged resin to bind nucleic acids and separate plasmid from chromosomal DNA, RNA, and endotoxin by salt gradient. Spin-column formats such as the ZymoPURE II Gigaprep use a silica-based membrane with specialized endotoxin-removal steps, completing the prep in ~45 minutes without gravity-flow wait times. Choose anion-exchange for the highest A260/A280 purity when supercoiling integrity is critical; choose spin-column when throughput and speed are the priority.
Endotoxin Removal Requirement
Endotoxin specification matters most for the transfection of primary cells, dendritic cells, or endotoxin-sensitive in vivo models. Kits rated at &lt;=0.1 EU/ug are considered endotoxin-free for most transfection applications. If you work with standard transformed cell lines (HEK293, CHO), standard endotoxin reduction is usually sufficient; for primary neurons, immune cells, or gene therapy studies, confirm the &lt;=0.1 EU/ug spec before selecting a kit.
Starting Culture Volume
Most gigaprep kits are optimized for 1.2-2.5 L of LB or terrific broth (TB). TB medium typically yields 30-50% more plasmid per liter than LB for high-copy vectors. Confirm whether your kit protocol is calibrated for LB or TB to ensure the binding column is not overloaded, which degrades purity.
Plasmid Copy Number
High-copy plasmids (&gt;100 copies/cell, pUC-based) approach theoretical yield limits easily; scale down culture volume if needed to avoid column overload. Low-copy plasmids (bacterial artificial chromosomes, BACs, PACs, YACs) require the full 2-2.5 L and benefit from kits specifically validated for low-copy applications.
Supercoiling Retention
Supercoiled plasmid is the biologically active isoform preferred for transfection and in vitro transcription. Validated gigaprep kits preserve &gt;85% supercoiled plasmid; avoid protocols with aggressive vortexing or extended lysis to protect this fraction.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Gigaprep eluates are typically quantified by A260 absorbance and evaluated for purity by A260/A280 ratio (target 1.8-2.0) and A260/A230 ratio (target &gt;1.8). Endotoxin is measured by LAL (Limulus amebocyte lysate) assay; a spec of &lt;=0.1 EU/ug is the accepted threshold for transfection-grade plasmid. As of 2025, the most widely adopted spin-column gigaprep format yields DNA concentrated to 4-6 ug/ul, reducing downstream volume requirements for transfection. All kits supplied through MBP are for Research Use Only (RUO) and are not classified as IVD or medical-device reagents.
<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.
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Gigaprep Kits

ZymoPURE™ II Plasmid Gigaprep Kit (5 Preps.)

ZymoPURE™ II Plasmid Gigaprep Kit D4204 by Zymo Research purifies up to 25 mg of endotoxin-free (≤0.025 EU/µg), transfection-ready plasmid DNA from up to 2.5 L of E. coli culture in 45 minutes — no alcohol precipitation required. 5 preps per kit.

<h2>What are plasmid maxiprep kits?</h2>
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A plasmid maxiprep kit scales SDS/alkaline lysis with silica-membrane spin columns, anion-exchange resin with gravity flow, or fully automated cartridge-based processing to 100-500 ml of overnight E. coli culture, recovering up to 400 ug per spin-column prep or 1-1.4 mg with high-yield anion-exchange chemistry, completable in 35-75 minutes depending on format. Related entities include EndoFree-type endotoxin removal for transfection, automated processors that eliminate manual centrifugation, and downstream applications including large-scale transfection, in vitro transcription/translation, and multiple parallel experiments. Choose Maxiprep when your application needs the largest routine plasmid yields (hundreds of micrograms to over 1 mg) from a single overnight culture.
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<h2>What you will find:</h2>
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<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Ultrafast 25-minute maxiprep kits drastically reduce processing times using specialized column technology&nbsp;</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Syringe-filter plasmid maxi units rapidly clear dense bacterial lysates using vacuum-free clarification systems&nbsp;</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Endotoxin-free plasmid maxiprep systems for delivering transfection-grade DNA in sensitive mammalian cell lines</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">High-performance silica-column vectors optimized for maximum concentration and recovery of low and high-copy plasmids</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Gravity-flow anion-exchange assemblies without manual centrifugation steps, ensuring chromatography-level purity&nbsp;</li>
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<h2>How to choose a plasmid maxiprep kit</h2>
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When maxiprep is the right scale
A maxiprep should be used when purifying plasmid from an overnight bacterial culture with a volume between 100-500 ml, when downstream needs exceed midiprep's 0.5-2 mg range - for example, large-scale transfection across many plates, in vitro transcription/translation requiring substantial template DNA, or banking DNA for multiple future experiments from one culture. If midiprep yields already meet your needs, the larger culture volume and processing time of maxiprep may not be justified.
Spin-column vs. anion-exchange vs. automated chemistry
Spin-column maxipreps (e.g., 60-minute procedures) recover up to roughly 400 ug per prep, while anion-exchange or high-yield chemistries can reach 1-1.4 mg from comparable culture volumes; automated cartridge-based processors can deliver endotoxin-free DNA in under 75 minutes without manual centrifugation, pouring in culture, and pressing start. Match chemistry to both your yield target and available equipment - automated processors reduce hands-on time but represent a larger equipment investment.
Endotoxin levels at maxi scale
Endotoxin concentrations tend to be higher in larger-scale preparations - standard maxipreps have been reported at 11-16 EU/ug, while EndoFree-type kits target below 0.1 EU/ug through additional washing, and "substantially endotoxin-free" is sometimes defined as under 100 EU/ug for less stringent applications. For transfection of highly sensitive cells, vaccination research, or gene therapy applications, confirm the maxiprep kit's specific endotoxin target rather than assuming "maxiprep" implies low endotoxin by default.
Lysate clearing and centrifuge requirements
Maxi-scale lysate clearing typically requires high-speed centrifugation of the full culture volume (100-500 ml) followed by a clearing column or filtration step; gravity-flow anion-exchange systems use folded filters to avoid this centrifugation, while automated processors handle clearing internally. Confirm your centrifuge has rotors compatible with 100-500 ml culture volumes before committing to a centrifugation-based maxiprep format.
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<h2>Specifications context</h2>
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The key specs for maxiprep selection are expected yield (400 ug for spin-column vs. 1-1.4 mg for high-yield/anion-exchange chemistry), endotoxin target relative to your transfection application's sensitivity, and lysate-clearing method relative to your centrifuge's capacity for 100-500 ml culture volumes. A maxiprep should specifically be used for culture volumes in the 100-500 ml range; smaller volumes are better served by <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/midiprep-kits">midiprep kits</a>&nbsp;or&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/miniprep-kits">miniprep kits</a>. Labs running large-scale transfection or in vitro transcription/translation programs typically standardize on either high-yield anion-exchange maxipreps or automated processors to balance yield, endotoxin level, and hands-on time. The parent <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits">plasmid DNA extraction kits category</a>&nbsp;covers the full mini-to-maxi range, 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>&nbsp;link to chromosomal DNA workflows. Use MBP's&nbsp;<a href="https://mbpinc.net/quickorder">Quick Order tool</a>&nbsp;for case-quantity pricing on maxiprep kits or&nbsp;<a href="https://mbpinc.net/contact-us">contact the specialist team</a>&nbsp;for guidance on endotoxin levels and automation options for your transfection program.
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Scale-up workflow efficiency with MBP&rsquo;s dependable macro-extraction plasmid technologies. <a href="https://mbpinc.net/contact-us">Contact the expert team</a> today to find the perfect match for your lab.

Maxiprep Kits

Data Sheet

ZymoPURE™ II Plasmid Maxiprep Kit

ZymoPURE™ II Plasmid Maxiprep Kit D4202 by Zymo Research purifies up to 3 mg of endotoxin-free (≤0.025 EU/µg), transfection-ready plasmid DNA from up to 150 mL of E. coli culture in ≤18 minutes, with A260/230 ≥2.0 purity. Supports plasmids up to 200 kb.

ZymoPURE™ II Plasmid Maxiprep Kit (10 Preps.)

ZymoPURE™ II Plasmid Maxiprep Kit (20 Preps.)

D4201 - MSDS

D4201 (D4200/D4201)

ZymoPURE™ II Plasmid Midiprep Kit

D4201 by Zymo Research: ZymoPURE™ II Plasmid Midiprep Kit, 50 preps. Processes ≤50 mL E. coli culture; yields 200–400 µg; ≤18 min protocol. Endotoxin ≤0.025 EU/µg (EndoZero II) or ≤1 EU/µg standard. Up to 200 kb; A260/A280 ≥1.8. Made in USA.

ZymoPURE™ II Plasmid Midiprep Kit (50 Preps.)

ZymoPURE™ II Plasmid Midiprep Kit (25 Preps.)

ZymoPURE™ P1 (Red) for ZymoPURE Plasmid Purification Kits

D4200-1 by Zymo Research is ZymoPURE™ P1 (Red), the RNase A-containing resuspension buffer for ZymoPURE and ZymoPURE II Plasmid Purification Kits (Miniprep, Midiprep D4200/D4201, Maxiprep D4202/D4203). The red color visually confirms complete bacterial pellet resuspension before alkaline lysis. Available in 3 ml to 410 ml sizes. Produces transfection-grade plasmid DNA from E. coli. MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.