Zymo Reagents

<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

MSDS

ZymoPURE™ Wash 2 (Concentrate) for ZymoPURE Plasmid Purification Kits

D4200-6 by Zymo Research is the ZymoPURE Wash 2 concentrate for secondary and tertiary wash steps in ZymoPURE Plasmid Purification Kit workflows. Add 107 ml of 95–100% ethanol to the 28 ml concentrate before use; apply 5 ml × 2 per prep. Compatible with ZymoPURE II Midiprep, Maxiprep, and Gigaprep kits. Sold as standalone refill.

Manufacturer

Shipping Condition

Storage Condition

ZymoPURE™ Wash 2 (Concentrate) (10 ml)

ZymoPURE™ Wash 2 (Concentrate) (12 ml)

ZymoPURE™ Wash 2 (Concentrate) (23 ml)

ZymoPURE™ Wash 2 (Concentrate) (28 ml)

<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

DataSheet

Protocol

ZymoPURE™-96 Plasmid Miniprep Kit

D4214 by Zymo Research is the ZymoPURE™-96 Plasmid Miniprep Kit for processing 96 minipreps simultaneously in ≤60 minutes. Yields up to 100 µg transfection-grade plasmid (≤1 EU/µg, A260/A280 ≥1.8) per well in 125 µL from up to 5 mL E. coli culture. Kit supplies 2 × 96 preps.

Applicable For

Binding Capacity

Culture Input 

Elution Volume

Endotoxin Levels

Equipment

Format

Processing Time

Purity

Recommended Sample Volume

Size Range

Yield

ZymoPURE™-96 Plasmid Miniprep Kit (2 x 96 Preps.)

ZymoPURE™-96 Plasmid Miniprep Kit (4 x 96 Preps.)

ZymoPURE 96 Starter Package (4 x 96 preps + 1 EZ-Vac 96 Vacuum Manifold)

Syringe-Filters

ZymoPure™ Giga Filter (1 Pack)

C1038-1 by Zymo Research — ZymoPure™ Giga Filter (1-pack), vacuum-driven lysate clarification filter for the ZymoPURE II Plasmid Gigaprep Kit (D4204). Handles up to 500 ml lysate from 2.5 L bacterial culture; recovers ~375 ml cleared lysate. Fits 33 mm and 45 mm-neck glass bottles. Single-unit refill.

Compatibility

Volumetric Capacity

<h2 dir="ltr"> What Are One-Step RT-qPCR Kits?</h2>
 A one-step RT-qPCR kit combines reverse transcription and real-time quantitative PCR in a single tube and buffer, using a temperature-activated reverse transcriptase paired with a hot-start Taq polymerase and a fluorescent detection chemistry - either an intercalating dye such as SYBR Green or a hydrolysis probe system such as TaqMan. The combined format allows room-temperature reaction setup, with reverse transcription and qPCR proceeding sequentially within the same thermal cycling protocol. Choose a SYBR Green one-step RT-qPCR kit for flexible, cost-effective RNA quantification across many targets; choose a probe-based one-step kit when higher specificity or multiplexing of several targets in one well is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="rd7qxi" data-start="780" data-end="912">Single-tube reverse transcription and real-time PCR workflows using one-step RT-qPCR kits from ZymoScript and Accuris qMAX</li>
<li data-section-id="1cvnwuk" data-start="913" data-end="1026">SYBR Green and hydrolysis probe-based detection chemistries for RNA quantification and gene expression analysis</li>
<li data-section-id="15d7q7t" data-start="1027" data-end="1119">One-step RT-qPCR master mix systems that reduce sample handling and streamline assay setup</li>
<li data-section-id="b3haux" data-start="1120" data-end="1195">Probe-based RT-qPCR kits suitable for target-specific detection workflows</li>
<li data-section-id="10mg35u" data-start="1196" data-end="1288">Green dye-based RT-qPCR kits for real-time amplification and quantification of RNA targets</li>
</ul>
<h2 dir="ltr"> How to Choose a One-Step RT-qPCR Kit</h2>
 Detection Chemistry SYBR Green-based one-step RT-qPCR kits use an intercalating dye for broad, cost-effective quantification, with specificity driven by primer design. Probe-based one-step kits use TaqMan-style or other sequence-specific probes, offering higher specificity and multiplexing of multiple targets -- including via Scorpions primers or other probe formats -- in a single reaction. Reverse Transcriptase and Activation Mechanism Many one-step RT-qPCR kits use a temperature-activated or aptamer-based reverse transcriptase with dual enzyme-activity control, allowing room-temperature reaction setup without premature activity. Upon heating, both the reverse transcriptase and hot-start Taq polymerase reach their working states in a coordinated activation step. Buffer System Additives Specialised buffer additives -- such as ion combinations that promote specific primer annealing, or compounds that reduce annealing and extension times -- can improve specificity, sensitivity, and overall reaction speed, particularly useful for difficult templates or time-sensitive workflows. Internal Control Options Some one-step RT-qPCR kits offer an optional internal control RNA that can be co-amplified to monitor successful reverse transcription and amplification independently of the target signal, useful for troubleshooting and quality control in diagnostic-style workflows. Instrument Compatibility Confirm reference dye requirements (commonly ROX) and detection channel compatibility against your specific real-time PCR instrument before selecting a kit, since some formulations are offered with and without reference dye for compatibility across different instrument platforms. 
<h2 dir="ltr"> Specifications Context</h2>
 The combined one-step RT-qPCR reaction proceeds through reverse transcription at a temperature suited to the included reverse transcriptase (commonly in the 50-55 &deg;C range for engineered, higher-thermostability enzymes), followed by a polymerase activation step (commonly around 95 &deg;C) that simultaneously inactivates the reverse transcriptase and activates the hot-start Taq polymerase before standard qPCR cycling begins. Internal control RNA, when included, is typically detected in a separate fluorescence channel from the target, allowing simultaneous confirmation of reaction success and quantification of the target&nbsp;from the same well. One-step RT-qPCR kits are typically stored at &minus;20 &deg;C to &minus;30 &deg;C and protected from light; lot-specific CoAs documenting performance and quality control are available on request. 
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today and get optimized One-Step RT-PCR kits for your lab.

One-Step RT-qPCR Kits

ZymoScript One-Step RT-qPCR Kit (100 rxns)

ZymoScript One-Step RT-qPCR Kit (R3014) by Zymo Research — 100-reaction single-tube RT-qPCR; RNA input 0.1 pg – 5 µg; sensitivity 0.1 pg; cDNA synthesis at 55°C for 10 min. Compatible with SYBR Green and TaqMan. Storage at −20°C.

Amplicon Length

Ideal Uses

Reagents

Sample Source

Size

Storage

<h2>What Are SARS-CoV-2 RT-qPCR Detection Kits?</h2>
&nbsp;
SARS-CoV-2 RT-qPCR detection kits provide the reverse transcriptase, hot-start Taq polymerase, buffer, and primer/probe sets needed to detect SARS-CoV-2 viral RNA from respiratory specimens by one-step RT-qPCR. Most kits target conserved regions of the viral genome, such as the N (nucleocapsid) gene, alongside a human RNase P (RP) control to confirm sample adequacy.&nbsp;Choose an extraction-based RT-qPCR kit for maximum sensitivity in clinical-style research workflows; choose a kit validated for direct (extraction-free) use when RNA extraction reagent availability or turnaround time is the limiting factor.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>rRT-PCR Detection Kits: Established tools such as the Quick SARS-CoV-2 rRT-PCR Kit, made for specific amplification and dependable detection of viral sequences in both clinical and research specimens.</li>
<li>Multiplex Kits: Efficient multiplexing options that enable the concurrent identification of several viral targets within one reaction to enhance laboratory productivity.</li>
<li>Reverse Transcription Pre-Mixes: Enhanced blends such as ZymoScript RT Pre-Mix, uniquely designed to facilitate the transformation of viral RNA into stable cDNA for further examination.</li>
</ul>
&nbsp;
<h2>How to Choose a SARS-CoV-2 Detection Kit</h2>
&nbsp;
Extraction-Based vs. Extraction-Free Workflows
Standard RT-qPCR workflows use purified viral RNA from an extraction kit as input. Extraction-free (direct) RT-qPCR workflows instead use heat-treated specimen diluent directly as input, avoiding the extraction step entirely. A heat treatment step (commonly 65&deg;C for approximately 10 minutes) lyses virions and inactivates RNases sufficiently for many one-step RT-qPCR master mixes to detect the released RNA.
Master Mix Performance on Direct Samples
Not all one-step RT-qPCR master mixes perform equally on unextracted, heat-treated specimens. Comparative studies have found that some master mix formulations provide substantially higher analytical sensitivity than others when used directly on heat-treated nasopharyngeal swab diluent. Confirm that the specific master mix has been validated for direct-sample use if extraction-free testing is the goal.
Target Gene and Control Design
Kits commonly target a conserved viral gene, such as N1/N2 regions of the nucleocapsid gene used in CDC-style primer/probe sets, alongside a human RNase P control to confirm adequate sample collection and absence of PCR inhibition. Multiplexed detection of both targets in one reaction is standard.
Sample Type Compatibility
Some kits are specifically formulated for unpurified saliva samples, enabling a streamlined extraction-free protocol completed in under an hour. Others are validated primarily for nasopharyngeal swab specimens in viral transport medium. Confirm that sample type compatibility matches your intended specimen source.
Analytical Sensitivity and Validation Data
Published validation studies report limits of detection in the range of approximately 103-104 copies/mL for optimized direct RT-qPCR protocols, with sensitivity, specificity, and accuracy figures commonly reported at 95%+ sensitivity and 98%+ accuracy relative to standard extraction-based methods. Review available validation data when selecting a kit for a specific application.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
In one published evaluation, incubating nasopharyngeal specimens at 65&deg;C for 10 minutes and testing the resulting supernatant directly with a one-step RT-qPCR master mix achieved a limit of detection of approximately 6.6 &times; 103 copies/mL with high reproducibility, and sensitivity, specificity, and accuracy of approximately 95%, 99%, and 98.5%, respectively, relative to a standard RNA extraction-based approach across a panel of clinical specimens.&nbsp;Not all master mix formulations performed equivalently in this direct format. Formulation choice was the dominant variable affecting sensitivity when extraction was omitted. Multiplexed N gene plus human RNase P primer/probe sets, consistent with CDC-style assay design, allow simultaneous target detection and sample adequacy control in one reaction.&nbsp;SARS-CoV-2 RT-qPCR kits are typically stored at -20&deg;C to -30&deg;C and protected from light. Lot-specific Certificates of Analysis (CoAs) are available on request. These products are intended for research use.
&nbsp;
Ensure your diagnostic precision&mdash;<a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> now for a quote on our expert SARS-CoV-2 PCR services.

SARS-CoV-2 Kits

SARS-CoV-2

ZymoScript RT Pre-Mix (100 rxns)

ZymoScript™ RT PreMix Kit R3012 by Zymo Research is a 100-reaction, ready-to-use 2X cDNA synthesis master mix with reverse transcriptase, random hexamer and oligo dT primers, dNTPs, and RNase inhibitors. Template input 0.1 pg–5 µg RNA, three-step protocol completes in under 15 minutes (25°C 2 min → 42°C 10 min → 95°C 1 min). Stored at −20°C.

<h2 dir="ltr">What Is Hot Start Taq DNA Polymerase?</h2>
 Hot-start Taq DNA polymerase is the enzyme of choice for PCR applications where non-specific amplification or primer dimer formation has been problematic with standard Taq. By keeping the polymerase inactive until a high-temperature activation step, hot-start formulations prevent the room-temperature primer extension that drives non-specific products in standard Taq reactions. Choose a polymerase suited to your assay requirements.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1hsv5i3" data-start="233" data-end="391">Hot-start Taq DNA polymerases are designed to support multiplex PCR by reducing non-specific amplification and primer-primer interactions during reaction setup.</li>
<li data-section-id="bhgh5r" data-start="392" data-end="516">Formulations suitable for high-throughput PCR workflows requiring a stable room-temperature setup before thermal activation.</li>
<li data-section-id="1h2z623" data-start="517" data-end="640">Improved specificity for amplification of low-abundance targets compared with conventional non-hot-start Taq polymerases.</li>
<li data-section-id="1nifv8r" data-start="641" data-end="743">Cleaner amplicon generation for downstream applications such as cloning, sequencing, and genotyping.</li>
<li data-section-id="bof93a" data-start="744" data-end="892">Enzyme and buffer systems formulated to support amplification of challenging templates, including GC-rich regions and complex genomic DNA samples.</li>
</ul>
<h2 dir="ltr"> How to Choose Hot Start Taq DNA Polymerase</h2>
&nbsp;
Inactivation Mechanism Antibody-mediated formulations use a heat-sensitive antibody that reversibly binds and inhibits the enzyme until denatured during the initial high-temperature step. Chemically modified formulations use covalent modifications to active-site residues that are reversed by heat during cycling. Standard vs. Hot-Start Comparison Standard Taq DNA polymerase is a formulation of recombinant Taq that remains active at ambient temperatures, permitting non-specific primer extension during reaction setup &mdash; hot-start formulations are reversibly inactivated at ambient temperature specifically to prevent this. Buffer Compatibility As with standard Taq, optimised 10x PCR buffer formulations are designed to complement the specific hot-start enzyme's activation and activity profile. Activation Time Considerations Confirm whether your chosen hot-start formulation activates within a standard initial denaturation step or requires an extended/dedicated activation incubation, as this affects total cycling protocol time. Application Fit Hot-start Taq is recommended wherever specificity is a concern: multiplex PCR, low-template-abundance amplification, diagnostic PCR, and any workflow where primer dimer formation has been observed with standard Taq. 
<h2 dir="ltr"> Specifications Context</h2>
 Hot-start Taq DNA polymerase is a recombinant Taq formulation that remains inactive during reaction setup, preventing the non-specific primer extension that standard Taq can permit before thermal cycling begins. This improved specificity is particularly valuable for multiplex PCR, low-abundance templates, and applications where non-specific products could affect result interpretation. Hot-start enzymes are typically stored at &minus;20 &deg;C and commonly supplied with matched PCR buffer. Because antibody-mediated and chemically modified formats can require different activation conditions, initial denaturation parameters should be verified when introducing a new enzyme. Product availability reflects MBP's catalogue as of mid-2026. 
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP today to request a quote and identify the most suitable hot start Taq DNA polymerase for your workflow.

Hot Start Taq DNA Polymerase

ZymoTaq DNA Polymerase

E2001 by Zymo Research is ZymoTaq DNA Polymerase (50 Rxns.), a heat-activated hot-start thermostable enzyme at 5 U/µl specifically engineered for amplification of bisulfite-converted, CpG-rich, and standard genomic DNA, with 3′ transferase activity for direct TA-cloning compatibility. Also available as E2002 (200 Rxns.).

Heat Activation

Templates

ZymoTaq™ DNA Polymerase (50 Rxns.)

ZymoTaq™ DNA Polymerase (200 Rxns.) (5 U/µl) (80 µl)

<h2 dir="ltr">What Is a Hot Start Taq Master Mix?</h2>
 Hot start 2x master mixes combine the convenience of the ready-to-use master mix format with the improved specificity of hot-start technology. These products are the standard reagent format for high-throughput genotyping, clinical diagnostic PCR, and multiplex reactions where non-specific amplification would compromise results. The right hot-start master mix supports cleaner amplification and streamlined setup. Select a formulation designed for reliable PCR performance.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li>Hot-start formulations from Azura, Accuris, BlasTaq, and Zymo Research for reduced non-specific amplification and primer-dimer formation.</li>
<li>Antibody-mediated hot-start activation in selected products, including ZymoTaq PreMix and Accuris Hot Start Taq Master Mix.</li>
<li>2X master mix and premix formats containing hot-start Taq polymerase, MgCl₂, dNTPs, and optimized PCR buffers.</li>
<li>Red-dye formulations for direct gel loading, including Azura 2X HS Taq Red Mix and Accuris Hot Start Taq Master Mix Red Dye.</li>
<li>Buffer systems optimized for endpoint PCR, multiplex PCR, and challenging template amplification.</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose a Hot Start Taq Master Mix</h2>
 Activation Mechanism Format Antibody-mediated hot-start master mixes activate during the standard initial denaturation step; chemically modified formats may require a longer or dedicated activation incubation &mdash; confirm cycling protocol compatibility before adopting a new product. Component Pre-Optimisation A 2x hot-start Taq master mix is a pre-formulated, double-concentrated solution containing hot-start Taq DNA polymerase, dNTPs, MgCl2, and PCR buffer &mdash; the hot-start polymerase remains inactive at room temperature until the activation step is reached during cycling. Multiplex Compatibility For multiplex PCR (multiple primer pairs in a single reaction), hot-start master mixes substantially reduce primer-primer cross-reactivity compared to standard Taq master mixes, improving reliable detection of all intended targets. Diagnostic and Clinical Applications High-specificity master mixes are the standard reagent format for clinical diagnostic PCR, where false-positive bands from non-specific amplification could affect result interpretation. Throughput and Format 2x hot-start master mixes are designed for high-throughput genotyping pipelines, requiring only template and primer addition &mdash; minimising pipetting steps across large sample sets. 
<h2 dir="ltr"> Specifications Context</h2>
 Hot-start 2x master mixes are set up like standard master mixes&mdash;combined with template and primers at the manufacturer-specified ratio to achieve a 1x working concentration&mdash;but the polymerase remains inactive until the activation step, typically during initial denaturation for antibody-mediated formats. This combination of convenience and specificity has made hot-start master mixes a widely used choice for high-throughput genotyping, multiplex PCR, and other applications requiring reliable target-specific amplification. Product availability reflects MBP's catalogue as of mid-2026. Labs validating a new hot-start master mix should evaluate performance using known positive and negative samples and document results by lot number to support quality assurance, audits, and troubleshooting. 
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP and get premium-quality Hot Start Taq Master Mix formulations for your lab today.

Hot Start Taq Master Mix

Protocols

ZymoTaq PreMix

ZymoTaq PreMix (E2003) by Zymo Research — 2× hot-start PCR master mix, 50 reactions (2 × 625 µl). Optimized for bisulfite-converted DNA and CpG-rich templates. Add water, primers, and DNA only. 95°C 10 min hot-start activation. Store at −20°C. Made in the USA.

ZymoTaq™ PreMix (50 Rxns.)

ZymoTaq™ PreMix (200 Rxns.)

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

PCR & Molecular Assays

ZymoTaq qPCR Premix

E2054 by Zymo Research is a 2x hot-start qPCR premix with SYTO® 9 intercalating dye, optimized for real-time amplification of bisulfite-converted DNA. Also suitable for general real-time PCR and HRM analysis. 50 reactions in suggested 50 µL format; 200-reaction format available as E2055.

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Unit Definition

ZymoTaq™ qPCR Premix (50 Rxns.)

ZymoTaq™ qPCR Premix (200 Rxns.)

<h2>What are Gel Extraction Kits?</h2>
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Gel extraction kits (gel purification or gel DNA recovery kits) isolate specific DNA fragments from standard and low-melting agarose gels after electrophoresis by dissolving the excised gel band in a chaotropic buffer that melts agarose and conditions DNA to bind a Zymo-Spin followed by washing to remove agarose, gel stains (EtBr, SYBR Safe, GelRed), salts, and proteins, and elution in 30-50 ul. Gel extraction is the primary method for isolating specific DNA fragments from multi-band reactions - PCR amplifications producing non-specific products, restriction digests generating multiple fragments, and vector preparations requiring removal of small insert-incompatible fragments. Use gel extraction instead of direct PCR cleanup whenever the reaction produces more than one visible band and only a specific size is needed downstream; for single-band reactions, PCR cleanup recovers 10-20% more DNA in the same protocol time.
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<h2 dir="ltr">What you will find:</h2>
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Zymoclean&trade; Gel DNA &amp; RNA Recovery: Innovative spin-column systems created for quick extraction of nucleic acids without any salt or agarose contamination.
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ZR small-RNA&trade; PAGE Recovery: A dedicated method for the accurate isolation of microRNA and small RNA types from polyacrylamide gels, preserving isoform uniqueness.
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Large Fragment DNA Recovery: Designed methods for the careful elution of high-molecular-weight DNA, avoiding mechanical shearing for extended-read sequencing.
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High-Throughput &amp; Universal Kits: Adaptable ZR-96 formats and flexible Column-Pure systems designed for standard laboratory cleanup and automated processes.
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<h2>How to Choose a Gel Extraction Kit</h2>
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Fragment Size Range
Standard silica-column gel extraction kits ( Zymo Zymoclean, Thermo Fisher GeneJET) purify 70 bp to 10 kb with &gt;80% recovery for 200 bp-5 kb.&nbsp; For fragments larger than 10 kb requiring size-selective gel purification, use electroelution, agarase digestion of low-melting agarose, or pulse-field gel extraction followed by alcohol precipitation.
Agarose Percentage and Dissolution Protocol
For standard 0.8-2% agarose gels: use 3 volumes of dissolution buffer per 1 volume (weight:volume) of gel slice at 50-60 degrees C for 5-10 minutes. For high-percentage gels (&gt;2%): use 6 volumes of dissolution buffer and extend incubation to 10-15 minutes, or add isopropanol to help dissolve the denser agarose matrix. Incomplete dissolution is the most common cause of low yield and must be verified visually - no visible agarose particles should remain in the dissolved solution before loading the column.
Elution Volume
For cloning applications where insert concentration matters, use the minimum elution volume (30-35 ul) to maximize insert concentration for ligation. For sequencing of gel-purified products, elute in 30-50 ul and measure concentration by Qubit or NanoDrop before use.&nbsp;
UV Exposure Minimization
UV transilluminator exposure damages DNA via pyrimidine dimer formation, reducing downstream PCR amplification and sequencing efficiency. Limit UV exposure to &lt;30 seconds when excising bands; use a long-wavelength (365 nm) UV source instead of short-wavelength (254 nm) to minimize damage. Alternatively, use a blue-light transilluminator (Safe-Imager, Clare Chemical DarkReader) with SYBR Safe or GelRed stain, which causes no photodamage to DNA during band excision.
Column vs. Magnetic Bead Gel Extraction
Standard gel extraction uses spin columns. For 96-well high-throughput gel extraction applications, vacuum-manifold compatible 96-well plate formats (Norgen DNA Gel Extraction Kit 96-well) process multiple samples simultaneously. AMPure XP magnetic beads can perform gel-alternative size selection from solution without the gel step, which avoids UV damage entirely and is preferred in NGS library preparation workflows where fragment size distribution rather than specific band isolation is the goal.
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<h2>Specifications Context</h2>
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Key benchmarks for gel extraction kits: &gt;=70% recovery for 200 bp-5 kb fragments from 1% TAE agarose gels, A260/A280 &gt;= 1.7 in eluate, no detectable agarose (confirmed by no viscosity increase in eluate), and complete removal of gel stain and EtBr (confirmed by absence of stain fluorescence in eluate). The Zymo Zymoclean Gel DNA Recovery Kit purifies DNA from TAE or TBE gels using Zymo-Spin technology, eluting in as little as 6 ul for highly concentrated DNA in minutes. Gel extraction remains an essential cloning technique at academic molecular biology labs, with blue-light transilluminator-based band excision increasingly replacing UV-based methods to protect DNA integrity during size selection.
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Unleash the genetic capabilities of your samples&mdash;<a href="https://mbpinc.net/contact-us">reach out to MBP Inc.</a> now to obtain a quote for our gel recovery services.

Gel Extraction Kits

Zymoclean™ Gel DNA Recovery Kit (Capped)

D4007 by Zymo Research purifies DNA from TAE/TBE agarose gel slices (50 bp–23 kb) using a capped Zymo-Spin column in a 50-prep kit. Recovers up to 5 µg per column with elution in ≥6 µL and A260/A280 &gt;1.8 purity. Capped format supports easy sample labeling.

Zymoclean™ Gel DNA Recovery Kit (50 Preps.)

Zymoclean™ Gel DNA Recovery Kit (200 Preps.)

Zymoclean™ Gel DNA Recovery Kit (Uncapped)

D4001-1 by Zymo Research is the Zymoclean™ Gel DNA Recovery Kit (Uncapped) in 50-prep format, recovering DNA (50 bp–23 kb) from agarose gel slices with 70–90% efficiency (50 bp–10 kb) and eluting into ≥6 µl at A260/A280 &gt;1.8. Zymo-Spin I uncapped columns enable vacuum manifold processing and standard microcentrifuge use.

ADB (Agarose Dissolving Buffer) (100 ml)

ADB (Agarose Dissolving Buffer) (50 ml)

Zymoclean™ Gel DNA Recovery Kit (Uncapped) D4001T by Zymo Research recovers DNA from TAE/TBE agarose gels with 70–90% efficiency for fragments 50 bp–10 kb, eluting into ≥6 µl of high-concentration, NGS-ready DNA. Includes uncapped Zymo-Spin™ I columns for vacuum manifold compatibility. 10 preps per kit.

Zymoclean™ Gel DNA Recovery Kit (10 Preps.)

R1011-1-50 - MSDS

Zymoclean™ Gel RNA Recovery Kit (50 Preps.)

Zymoclean Gel RNA Recovery Kit R1011 by Zymo Research: ≥80% recovery of RNA >500 nt from agarose gel slices in ~30 minutes. Accepts TAE, TBE, and MOPS gels including formaldehyde gels up to 2.0%. Elution in ≥6 µl; binding capacity 10 µg per column. 50 preps. DNase/RNase-free.