Zymo Reagents

<h2>What are DNA Cleanup Kits?</h2>
&nbsp;
DNA cleanup kits purify and concentrate pre-extracted or pre-amplified DNA by removing enzymes, salts, organic solvents (phenol, chloroform), unincorporated nucleotides, RNA, detergents, and other contaminants from DNA solutions using silica-membrane spin columns with a bind-wash-elute protocol. Unlike PCR cleanup kits that are specifically optimized to remove primers and dNTPs from PCR reactions, DNA cleanup kits accept broader input chemistries - including post-phenol-chloroform extraction DNA, genomic DNA in high-salt lysis buffers, restriction digest reactions, and dilute DNA solutions requiring concentration - and elute DNA in minimal volumes (as little as 6 ul) for immediate use in downstream applications. Use a DNA cleanup kit whenever your DNA preparation contains inhibitors incompatible with downstream enzymatic reactions, when residual phenol must be removed, or when dilute DNA must be concentrated into a small volume.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
DNA Clean &amp; Concentrator&trade; (DCC): Efficient spin-column systems (5, 25, 100, 500 preps) created to concentrate low-concentration DNA into ultra-pure, transfection-quality volumes.
</li>
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Genomic DNA Clean &amp; Concentrator: Tailored procedures for extracting large templates while maintaining genomic integrity for long-read sequencing uses.
</li>
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Select-a-Size DNA Clean &amp; Concentrator&trade;: Tailored systems for the recovery of size-specific fragments, efficiently eliminating adapter dimers and non-target amplicons.
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ZR-96 DNA Cleanup Systems: Scalable 96-well and MagBead configurations designed for high-throughput, automated processes while ensuring reproducibility-validated outcomes.
</li>
</ul>
&nbsp;
<h2>How to Choose a DNA Cleanup Kit</h2>
&nbsp;
Capacity and Input Volume
Zymo DNA Clean &amp; Concentrator kits are available in formats matched to DNA input mass: DCC-5 (&lt;=5 ug input, elute &gt;=6 ul), DCC-25 (&lt;=25 ug input, elute &gt;=25 ul), DCC-100 (&lt;=100 ug input, elute &gt;=25 ul). Choose the format whose maximum capacity exceeds your expected DNA input by at least 2-fold to avoid column overloading, which reduces yield and purity. For genomic DNA preparations from tissue (typically 5-30 ug), DCC-25 or DCC-100 is appropriate.
Minimum Elution Volume and Concentration
For maximum DNA concentration, Zymo DCC-5 elutes in 6 ul - the industry minimum for standard silica columns. If the input volume is 500 ul (1 ng/ul) and the elution is 6 ul, the final concentration reaches approximately 80 ng/ul (assuming 95% recovery), a concentration suitable for transfection, electroporation, and microinjection.
Size Selectivity
Standard DNA cleanup kits retain all DNA &gt;=100 bp. If size selection is also required, use gel extraction (for specific band isolation) or AMPure XP beads (for size-range selection by bead: volume ratio adjustment) rather than a standard cleanup kit.
Post-Phenol-Chloroform Cleanup
For DNA recovered from phenol-chloroform extraction, add 5 volumes of binding buffer and 2 volumes of 100% ethanol to the aqueous phase before column loading. The organic solvent in residual phenol or chloroform does not significantly impair column binding at these dilutions. Multiple column reloads allow processing of large aqueous-phase volumes through a single column.
RNase A Treatment for DNA-Only Preparations
For gDNA preparations that must be RNA-free for optical mapping or certain long-read sequencing library kits, add RNase A (100 ug/ml) to the DNA solution, incubate at 37 degrees C for 10 minutes, then proceed directly to DCC cleanup. The RNase digestion products are removed during the wash steps.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Zymo DNA Clean &amp; Concentrator kits use a single-buffer system with Zymo-Spin column technology and recover DNA from PCR, enzymatic reactions, phenol-chloroform extractions, and dilute solutions. DNA is eluted in volumes as small as 6 ul, providing up to 80-fold concentration from 500 ul inputs. The kits remove enzymes, proteins, salts, organic solvents, dyes, unincorporated nucleotides, primers, and other small molecules, delivering DNA ready for restriction digestion, ligation, sequencing, Southern blotting, transfection, and long-read library preparation. DNA cleanup and concentration are standard workflow steps in genomics laboratories at Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center, where removing trace inhibitors from gDNA before library preparation significantly improves NGS library complexity and uniformity.
&nbsp;
Enhance your capabilities&mdash;<a href="https://mbpinc.net/contact-us">reach out to the MBP Inc. team</a> now to obtain a quote for your DNA concentration requirements.

DNA Cleanup Kits

D4066-Data Sheet

D4066-MSDS

D4066-Protocol

ZR-96 Genomic DNA Clean & Concentrator™-5 Kit

D4066 by Zymo Research — ZR-96 Genomic DNA Clean &amp; Concentrator-5 Kit; 96-well format; up to 5 µg DNA per column; &gt;50 bp to 200 kb; ≥15 µL elution; 70–95% recovery; A260/A280 &gt;1.8; ~20 min protocol; 2×96 preps.

Applicable For

Elution Volume

Equipment

Purity

Sample Source

Sample storage

Size Range

Yield

Manufacturer

ZR-96 Genomic DNA Clean & Concentrator™-5 Kit (2 x 96 Preps.)

ZR-96 Genomic DNA Clean & Concentrator™-5 Kit (4 x 96 Preps.)

Devices & Instruments

ZR-96 MagStand

P1005 by Zymo Research is the ZR-96 MagStand, a 96-well format magnetic separation stand compatible with EZ-96 DNA Methylation MagPrep, ZR-96 Genomic DNA MagPrep, Zyppy-96 Plasmid MagBead Miniprep, and Direct-zol-96 MagBead RNA kits. Made in USA.

Shipping Condition

Storage Condition

<h2>What are PCR Cleanup Kits?</h2>
&nbsp;
PCR cleanup kits remove residual PCR reaction components -- primers (&lt;100 bp), primer dimers, unincorporated dNTPs, DNA polymerase, buffer salts, and mineral oil - from PCR amplification products using silica-membrane spin columns and a bind-wash-elute protocol. The purified PCR amplicon (&gt;=100 bp) is recovered in 20-50 ul of water or elution buffer, free of inhibitors that would interfere with downstream steps, including Sanger sequencing, restriction enzyme digestion, ligation, NGS library preparation, and in vitro transcription. The procedure takes 5-10 minutes using a standard microcentrifuge with no organic solvents, precipitation, or centrifugation spins beyond the bind/wash/elute steps. Use a PCR cleanup kit immediately after PCR whenever the downstream application requires an inhibitor-free amplicon - primers and excess dNTPs left in the reaction will reduce sequencing quality, compete in ligation reactions, and inflate NGS background noise.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Oligo Clean &amp; Concentrator: Precisely designed systems for the quick retrieval of single-stranded DNA, RNA, and oligonucleotides from enzymatic processes.
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<li dir="ltr" aria-level="1">
OneStep&trade; PCR Inhibitor Removal: Tailored columns and 96-well formats engineered to eliminate polyphenols, humic acids, and lipids that hinder PCR kinetics.
</li>
<li dir="ltr" aria-level="1">
ssDNA/RNA Clean &amp; Concentrator&trade;: An adaptable method for purifying and concentrating small nucleic acid segments, ensuring isoform specificity.
</li>
<li dir="ltr" aria-level="1">
ZR-96 High-Throughput Systems: Scalable formats of 96-well plates designed for automated lab processes, guaranteeing reproducibility-validated outcomes across extensive sample groups.
</li>
</ul>
&nbsp;
<h2>How to Choose a PCR Cleanup Kit</h2>
&nbsp;
Binding Capacity
Standard PCR cleanup columns bind up to 5-25 ug of DNA, depending on the kit; 25 ug capacity (Thermo Fisher GeneJET) accommodates typical preparative PCR reactions. For high-yield PCR reactions producing &gt;25 ug of amplicon, split the reaction across two columns and pool the eluates, or use a higher-capacity kit format.
Fragment Size Range
Standard PCR cleanup kits retain fragments &gt;=100 bp and discard everything shorter. For amplicons between 70 and 100 bp (e.g., short RT-qPCR products or miRNA amplicons), use a kit with an extended lower size limit -- the Thermo Fisher GeneJET kit retains fragments from 25 bp to 20 kb, covering this range. For amplicons shorter than 25 bp, conventional silica-column cleanup will not work; use gel purification or size-selective bead cleanup (e.g., AMPure XP at adjusted bead ratios).
Minimum Elution Volume
If the downstream application requires a high DNA concentration (Sanger sequencing needs &gt;20 ng/ul input), select a kit that elutes in as little as 20-25 ul without significant yield loss.&nbsp;
pH Indicator
Kits include a pH indicator dye in the binding buffer that turns yellow when the pH is correct for DNA binding and remains orange/red if the pH is too high (causing DNA loss). This is useful when purifying PCR products amplified in high-pH buffers. Kits without pH indicators require careful attention to binding buffer volume ratios to ensure efficient DNA adsorption.
96-Well Throughput
For screening workflows producing multiple amplicons per sample, use 96-well PCR purification plates with vacuum manifolds for simultaneous processing of all 96 wells. 96-well formats are essential for high-throughput genotyping and sequencing library preparation pipelines.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Key benchmarks for PCR cleanup kits: &gt;=70% DNA recovery for fragments 100 bp-10 kb, A260/A280 &gt;= 1.7 in eluate, complete removal of primers and dNTPs (confirmed by capillary electrophoresis with no peaks below 100 bp), and elution in &lt;=50 ul of water or TE. The Thermo Scientific GeneJET PCR Purification Kit specifies recovery rates up to 100% with a binding capacity of 25 ug per column in a 5-minute protocol. AAT Bioquest study comparing commercial PCR cleanup kit performance confirmed that silica-column kits consistently achieve primer and dimer removal equivalent to ethanol precipitation with significantly reduced protocol time. PCR cleanup is a mandatory step before NGS library preparation in nearly all sequencing-based workflows at institutions, including Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center, where primer and dimer contamination in libraries produces low-complexity sequencing reads that reduce effective coverage.
&nbsp;
Purify your amplicons and remove reaction noise&mdash;<a href="https://mbpinc.net/contact-us">reach out to MBP Inc.</a> now to obtain a quote for your PCR cleanup process.

PCR Cleanup Kits

D4062-Data Sheet

D4062 - MSDS

D4062-Protocol

ZR-96 Oligo Clean & Concentrator

D4062 by Zymo Research is the ZR-96 Oligo Clean &amp; Concentrator, a 96-well spin-plate kit providing 2×96 preparations for high-throughput cleanup and concentration of DNA and RNA oligonucleotides ≥16 nt. Each well delivers &gt;90% recovery with elution in as little as 10 µl; compatible with fluorescent, biotin, DIG, and radioactively labeled oligos. All components stored at room temperature.

ZR-96 Oligo Clean & Concentrator (2 x 96 Preps.)

ZR-96 Oligo Clean & Concentrator (4 x 96 Preps.)

<h2>What are RNA Cleanup Kits?</h2>
&nbsp;
RNA cleanup kits purify and concentrate pre-extracted or synthesized RNA by removing enzymes, buffer components, unincorporated NTPs, DNA contamination, organic solvents, and environmental inhibitors (humic acids, polyphenols) from RNA solutions using silica-membrane spin columns with a simple bind-wash-elute protocol in under 10 minutes. Cleanup kits are the mandatory intermediate step between primary RNA extraction or enzymatic RNA synthesis and sensitive downstream applications - including rRNA depletion, NGS library preparation, in vitro translation, and mRNA vaccine formulation - where residual enzymes or inhibitors would cause assay failure. Zymo RNA Clean &amp; Concentrator kits elute RNA in as little as 6 ul, concentrating inhibitor-free RNA from volumes up to 500 ul into a minimal volume suitable for low-input sequencing library preparation. Use an RNA cleanup kit after any enzymatic reaction that generates RNA (DNase I treatment, IVT, capping, polyadenylation) and after environmental RNA extraction when A260/A230 is below 1.5 - never skip this step and proceed directly to library preparation or rRNA depletion.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
RNA Clean &amp; Concentrator&trade; (RCC): Effective spin-column systems (5, 25, 100 preps) created to concentrate low RNA concentrations into ultra-pure volumes while eliminating dyes and inhibitors.
</li>
<li dir="ltr" aria-level="1">
ZR-96 RNA Clean &amp; Concentrator&trade;: 96-well plate formats that are scalable and tailored for high-throughput lab settings while maintaining genomic integrity.
</li>
<li dir="ltr" aria-level="1">
Magbead RNA Cleanup: Sophisticated magnetic bead technology designed for automated processes, guaranteeing reproducibility-verified outcomes and uniform recovery of total RNA.
</li>
<li dir="ltr" aria-level="1">
Small RNA Retrieval: Refined methods that enhance the preservation of microRNA and various small RNA types, crucial for precise isoform identification and bioinformatics evaluation.
</li>
</ul>
&nbsp;
<h2>How to Choose an RNA Cleanup Kit</h2>
&nbsp;
Binding Capacity (Format Selection)
Match the kit format to your expected RNA input mass to avoid overloading: Zymo RCC-5 (&lt;=10 ug, elute &gt;=6 ul) for routine RT-qPCR and small-batch RNA-seq cleanup; RCC-25 (&lt;=50 ug, elute &gt;=25 ul) for standard IVT and RNA-seq preparations; RCC-100 (&lt;=100 ug, elute &gt;=30 ul) for large-scale IVT or mRNA synthesis; NEB Monarch 500 ug format for high-yield preparative IVT in mRNA vaccine development. Overloading reduces yield nonlinearly; test a small input aliquot first if the expected yield is uncertain.
DNase I-Included vs. DNase-Free Formats
Zymo RCC kits catalog numbers R1013 and R1014 include DNase I for gDNA removal during cleanup - combining the DNase treatment and concentration into a single column workflow. For RNA samples where gDNA contamination is confirmed (co-extracted total RNA, environmental RNA), use the DNase I-included format. For IVT RNA (no genomic DNA present) or post-DNase RNA that only needs cleanup, use the standard RCC format without DNase.
Size-Selective Recovery
Adjust ethanol ratio in the binding step for size-selective cleanup: total RNA (&gt;=17 nt) uses a high ethanol ratio; large RNA-only (&gt;200 nt) uses a lower ratio; small RNA (17-200 nt) is collected from the flow-through of the large RNA step and rebound on a second column at high ethanol. This two-step selection from one sample enables preparation of paired large RNA and small RNA fractions for simultaneous mRNA-seq and miRNA-seq library preparation without separate primary extraction.
Environmental RNA Inhibitor Removal
For soil or fecal RNA with A260/A230 below 1.5, RCC-5 cleanup consistently raises A260/A230 to &gt;1.8 by binding RNA and washing away humic acids, polyphenolics, and fulvic acids. Run the cleanup before proceeding to rRNA depletion - inhibitor-contaminated RNA causes inefficient depletion, wasting expensive reagents. Add an RNA quantification step (Qubit RNA HS Assay) before and after cleanup to confirm both recovery and inhibitor removal.
mRNA vs. Total RNA
For mRNA-specific applications (mRNA vaccine, mRNA for in vitro translation), cleanup removes abortive transcripts, DNA template, and IVT enzymes from the desired full-length mRNA. For total RNA from cells or tissue (containing rRNA, mRNA, tRNA, and small RNA), the cleanup removes extraction reagent contamination before rRNA depletion or library preparation.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Zymo RNA Clean &amp; Concentrator kits use a single-buffer system with Zymo-Spin IC column technology, recovering total RNA &gt;=17 nt, large RNA &gt;200 nt, or small RNA 17-200 nt by adjusting ethanol conditions. RNA is eluted in as little as 6 ul of RNase-free water, ready for RT-qPCR, RNA-seq, hybridization, and sequencing without further processing. The kits remove enzymes, NTPs, unincorporated nucleotides, humic acid, polyphenolics, dyes, salts, and organic solvents from RNA solutions. RNA cleanup is a standard workflow step in metatranscriptomics (before rRNA depletion from environmental RNA), mRNA vaccine development (IVT product cleanup before formulation), and RNA-seq library preparation (cleanup after DNase I treatment) at institutions including Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center.
&nbsp;
Ensure your RNA quality and eliminate interference&mdash;<a href="https://mbpinc.net/contact-us">get in touch with MBP Inc.</a> now to obtain a quote for your RNA purification reagents.

RNA Cleanup Kits

MSDS

DataSheet

Protocol

ZR-96 RNA Clean & Concentrator™ (2 x 96 Preps.)

ZR-96 RNA Clean &amp; Concentrator™ R1080 by Zymo Research — 2×96 preps, 96-well plate format RNA cleanup; RNA ≥17 nt (including miRNA), 10 µg/well binding, ≥10 µL elution, &gt;90% recovery, A260/A280 &gt;1.8. Compatible with TRIzol aqueous phase, IVT products, and DNase-treated RNA. Size-selective large/small RNA recovery supported. Order via <a href="https://www.mbpinc.net/quickorder">Quick Order</a> or <a href="mailto:customerservice@mbpinc.net">customerservice@mbpinc.net</a>.

Format

ZR-96 RNA Clean & Concentrator™ Magbead Kit (96 Preps.)

ZR-96 RNA Clean & Concentrator™ MagBead Kit (R1081) by Zymo Research purifies and concentrates total RNA (≥17 nt, up to 10 µg per prep) in 96-well format using magnetic beads, with a minimum 15 µl elution volume. Compatible with automated liquid handlers and bead movers for high-throughput RNA cleanup from DNase I-treated RNA, TRIzol aqueous phases, and in vitro transcription products.

Binding Capacity

RNA Storage

Sample Sources

ZR-96 RNA Clean & Concentrator™ Magbead Kit (with DNase I) (96 Preps.)

<h2>What are Gel Extraction Kits?</h2>
&nbsp;
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.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Zymoclean&trade; Gel DNA &amp; RNA Recovery: Innovative spin-column systems created for quick extraction of nucleic acids without any salt or agarose contamination.
</li>
<li dir="ltr" aria-level="1">
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.
</li>
<li dir="ltr" aria-level="1">
Large Fragment DNA Recovery: Designed methods for the careful elution of high-molecular-weight DNA, avoiding mechanical shearing for extended-read sequencing.
</li>
<li dir="ltr" aria-level="1">
High-Throughput &amp; Universal Kits: Adaptable ZR-96 formats and flexible Column-Pure systems designed for standard laboratory cleanup and automated processes.
</li>
</ul>
&nbsp;
<h2>How to Choose a Gel Extraction Kit</h2>
&nbsp;
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.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
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.
&nbsp;
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

ZR-96 Zymoclean™ Gel DNA Recovery Kit

D4021 by Zymo Research is the ZR-96 Zymoclean™ Gel DNA Recovery Kit for high-throughput gel DNA purification in a 96-well plate format — 2 x 96 preps per kit. Recovers 50 bp to 23 kbp at 70–90% efficiency with ≥15 µL elution volume and A260/A280 &gt;1.8 purity. Requires centrifuge with microplate carriers (60 mm).

ZR-96 Zymoclean™ Gel DNA Recovery Kit (2 x 96 Preps.)

ZR-96 Zymoclean™ Gel DNA Recovery Kit (4 x 96 Preps.)

Syringe-Filters

ZRC GF Filter

C1009-ZYM by Zymo Research is the ZRC GF Filter™, a 1.6 µm glass fiber syringe filter designed to separate cellular components from biological liquids such as urine before downstream DNA or RNA isolation. Compatible with ZR Urine DNA and RNA Isolation kits, this filter is available as a standalone refill pack for high-throughput labs running urinary nucleic acid workflows.

Applications

Matrix/Construction

Porosity

ZRC GF Filter (20 Pack)

ZRC GF Filter (50 Pack)

<h2>What are Spin-Column Environmental RNA Extraction Kits?</h2>
&nbsp;
Spin-column environmental RNA extraction kits purify total RNA from soil, fecal material, water concentrates, biofilm, and plant tissue using bead-beating mechanical disruption in a chaotropic lysis buffer, followed by silica-membrane column purification incorporating inhibitor-removal wash steps to eliminate humic acids, polyphenols, and other PCR inhibitors co-extracted from environmental matrices. Kits process 0.1-0.5 g of sample per extraction and elute RNA in 30-100 ul of RNase-free water in approximately 2 hours, producing RNA suitable for RT-qPCR, microarray, and RNA-seq metatranscriptomic workflows. Choose the spin-column format for environmental RNA when processing 1-24 samples per day, when the sample type is soil, feces, or biofilm, or when standard bacterial/fungal RNA kits produce inhibited RT-qPCR results from environmental matrices.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1b52a6l" data-start="0" data-end="128">ZR Soil/Fecal RNA MicroPrep Kit for efficient recovery of inhibitor-free cellular RNA from challenging soil and fecal samples.</li>
<li data-section-id="120xy2g" data-start="129" data-end="275">Zymo Environ Water RNA Kit for purification of microbial RNA from turbid water samples used in environmental monitoring and microbiome research.</li>
<li data-section-id="tojsbj" data-start="276" data-end="400">ZR Urine RNA Isolation Kit&trade; for rapid extraction of high-quality total RNA from urine using silica spin-column technology.</li>
<li data-section-id="2q9aey" data-start="401" data-end="525">RNA purification solutions tailored to environmental and liquid biopsy sample types with distinct processing requirements.</li>
<li data-section-id="7kn372" data-start="526" data-end="647">Specialized extraction workflows designed to remove contaminants that can interfere with downstream molecular analyses.</li>
<li data-section-id="1gyfm8m" data-start="648" data-end="753" data-is-last-node="">High-quality RNA isolation products suitable for RT-PCR, qPCR, sequencing, and gene expression studies.</li>
</ul>
&nbsp;
<h2>How to Choose a Spin-Column Environmental RNA Kit</h2>
&nbsp;
Inhibitor Load of Your Sample Type
High-humic soils (peat, forest soils, dark topsoil) require kits with dedicated IRT or inhibitor-precipitating wash steps, such as the QIAGEN RNeasy PowerSoil Total RNA Kit. For fecal and biofilm samples with lower humic content, the faster Zymo Quick-RNA Fecal/Soil Microbe Microprep Kit is sufficient. An A260/A230 ratio &lt; 1.5 in the eluate is a direct signal that the kit's inhibitor removal is insufficient for your matrix.
Protocol Time and Throughput
The Zymo Fecal/Soil Microprep Kit extracts in approximately 2 hours using mini-spin columns. The QIAGEN PowerSoil Total RNA Kit takes 5-7 hours but delivers higher RIN values for long-read sequencing applications. For batches of more than 12 samples per day, PowerBead Pro or Zymo's mini-column format with a vortex adapter is faster per sample than protocols requiring individual mechanical homogenization steps.
Downstream Application: Short-read vs. Long-read Sequencing
For short-read RNA-seq (Illumina), RIN &gt;= 5 is generally sufficient because library preparation using random hexamer priming tolerates fragmented RNA. For Oxford Nanopore direct RNA sequencing, which reads intact RNA molecules, RIN &gt;= 7 is required; only the QIAGEN PowerSoil kit consistently achieves this benchmark across diverse soil types in published comparisons.
Bead Type and Cell Disruption
Soil and fecal kits use ceramic or glass beads at 0.1-0.5 mm diameter. Confirm the kit includes both 0.1 mm and 0.5 mm beads to ensure unbiased lysis of Gram-negative bacteria (disrupted efficiently by 0.1 mm beads) and Gram-positive bacteria and fungi (requiring 0.5 mm beads) in the same sample. Single-bead-size kits can produce a bias toward Gram-negative recovery in mixed environmental communities.
Compatibility with rRNA Depletion
Residual inhibitors from soil RNA extract can impair enzymatic rRNA depletion reactions. If initial rRNA depletion efficiency is low (&lt;90%), re-clean the extract with a Zymo RNA Clean &amp; Concentrator-5 kit before repeating the depletion reaction. Check kit-specific guidance from your rRNA depletion kit supplier.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Key benchmarks for spin-column environmental RNA: A260/A280 &gt;= 1.8, A260/A230 &gt;= 1.5 (target &gt;= 1.8 for long-read sequencing), and concentration &gt;= 10 ng/ul in the eluate for RT-qPCR assays. A 2024 peer-reviewed comparison in&nbsp;Microbiology Society Journals specifically evaluated five commercial soil RNA extraction kits for Oxford Nanopore metatranscriptomics and identified the QIAGEN PowerSoil kit as the highest performer across RNA yield, integrity, and purity metrics. Soil metatranscriptomics is increasingly used in climate change research - linking active microbial community function to carbon and nitrogen cycling - and environmental RNA extraction quality is cited in published methods as the rate-limiting step for generating sequencing-ready RNA from soil.
<section class="mbp-contact-cta"></section>
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP Inc. today and get high-yield spin-column systems for your lab.

Spin-Column

Zymo Environ Water RNA Kit (50 preps)

Zymo Environ Water RNA Kit (R2042) by Zymo Research — 50 preps for inhibitor-free RNA from water, wastewater, sludge, and sewage (up to 5 ml input). Elution ≥6 µl; up to 10 µg RNA; A260/A280 &gt;1.8. Water Concentrating Buffer refills available as R2042-1-140 (140 ml) and R2042-1-8 (8 ml).

Equipment Needed

RNA Purity

Sample Inactivation

Sample Input

Sample Size

Water Concentrating Buffer (140 ml)

Water Concentrating Buffer (8 ml)

Tubes

Zymo Research 2.0 mL Tube, with caps

C1025-50 by Zymo Research is a pack of 50 clear V-bottom 2.0 mL polypropylene tubes with caps, designed for microcentrifuge-based nucleic acid purification and sample storage. Compatible with Zymo-Spin column kits as collection or elution tubes.

2.0 mL V-bottom Clear Tube, with caps (50 Pack)

2.0 mL V-bottom Clear Tube, with caps (500 Pack)

2.0 mL V-bottom Amber Tube, with caps (50 Pack)

2.0 mL V-bottom Amber Tube, with caps (500 Pack)

2.0 mL U-bottom Clear Tube, with caps (50 Pack)

2.0 mL U-bottom Clear Tube, with caps (500 Pack)

2.0 mL U-bottom Amber Tube, with caps (50 Pack)

2.0 mL U-bottom Amber Tube, with caps (500 Pack)

Plates

Zymo Research 96 Elution Plate (V-Bottom, 200 µL)

C1030-ZYM by Zymo Research — 96-well V-bottom plate; 200 &micro;l/well; clear polypropylene; SBS standard; KingFisher Flex/Apex/Duo Prime/Presto compatible; 2 plates per pack; made in USA.

Capacity

Compatible Instruments

Dimensions (H x W x L)

Material

96 Elution Plate (V-bottom, 200 µl) (2 pack)

96 Elution Plate (V-bottom, 200 µl) (50 pack)

Columns, Plastics & Accessories

Zymo Research 96 Tip Combs (For V-Bottom Deep Well Plate)

C2019 96 Tip Combs by Zymo Research are polypropylene combs for V-bottom 96-well deep well plates, compatible with KingFisher Flex, Apex, and Presto magnetic particle processors for automated nucleic acid purification. 2 combs per pack.

96 Tip Combs (For V-Bottom Deep Well Plate) (2 Combs)

96 Tip Combs (For V-Bottom Deep Well Plate) (100 Combs)

Zymo Research 96-Well Plate Cover Foil

C2007-12 by Zymo Research: 12-pack pierceable aluminum foil seals (82.6 × 132.6 mm) with strong adhesive for standard 96-well plates. Ideal for cold storage and automated liquid-handling workflows. Additional pack sizes C2007-2 through C2007-24 available.