DNA/RNA Extraction
Achieve high-quality, high-yield nucleic acid extraction from diverse water samples with our comprehensive selection of DNA and RNA isolation kits. From traditional column-based purification to innovative magnetic bead technology, our extraction solutions deliver pure, PCR-ready nucleic acids for molecular analysis, microbial identification, and genomic sequencing. Trusted brands including QIAGEN, Tiangen, and Simgen ensure reliable results for drinking water monitoring, wastewater surveillance, and environmental research.
Traditional Column-Based Extraction Kits
QIAGEN DNA Extraction Kits
Industry-leading silica membrane technology for consistent, high-purity DNA isolation:
- DNeasy PowerWater Kit - Optimized for environmental water samples | Removes PCR inhibitors (humic acids, heavy metals) common in surface/wastewater | Sample input: filtered water (0.22 µm membrane, up to 5L water) | Yield: 5-50 µg DNA | Purity: A260/280 = 1.7-1.9 | Processing time: 60 min for 24 samples | Format: 50 or 100 preps
- DNeasy Blood & Tissue Kit - Versatile kit for bacterial cultures and biofilm samples | Sample input: 1-10 million bacterial cells or 1-10 mg biofilm | Yield: 5-20 µg high molecular weight DNA | Purity: A260/280 = 1.8-2.0 | Processing time: 30 min for 12 samples | Format: 50, 250, or 1000 preps | Applications: bacterial isolate sequencing, pure culture genomics
- DNeasy PowerSoil Pro Kit - Enhanced lysis for difficult-to-lyse organisms (Gram-positive bacteria, algae, protozoa) | Inhibitor removal technology (IRT) for downstream PCR/qPCR | Sample input: biofilm, sediment, or filtered water | Yield: 10-40 µg DNA | Processing time: 45 min | Format: 50 preps
- QIAamp DNA Mini Kit - Ideal for drinking water samples with low biomass | Detects trace pathogens (Legionella, Cryptosporidium) | Sample input: 100-500 mL water (concentrated by filtration) | Yield: 1-10 µg DNA | High sensitivity for pathogen detection | Format: 50 or 250 preps
- QIAamp UCP Pathogen Mini Kit - Universal pathogen detection (bacteria, viruses, fungi) | Compatible with automated platforms (QIAcube) | Sample input: 200 µL to 10 mL water | Carrier RNA included to improve low-concentration recovery | Format: 50 preps
- Key Features - Proprietary silica membrane technology | Spin column format (centrifuge-based) | Minimal hands-on time (5-15 min active work) | Consistent lot-to-lot performance | ISO 13485 certified manufacturing | Validated for regulatory applications (EPA methods)
QIAGEN RNA Extraction Kits
Protect RNA integrity during extraction from water samples:
- RNeasy PowerWater Kit - Specialized for environmental RNA (metatranscriptomics, viral surveillance) | RNase-free reagents throughout | Sample input: filtered water (0.22 µm, up to 2L) | Yield: 5-30 µg total RNA | DNase treatment included (optional on-column) | Format: 50 preps
- RNeasy Mini Kit - High-purity RNA from bacterial cultures | Sample input: 1-10 million cells | Yield: 10-50 µg total RNA | RIN value >8.0 (intact RNA) | Processing time: 30 min | Format: 50 or 250 preps
- RNeasy Protect Bacteria Mini Kit - Stabilizes bacterial RNA immediately upon cell lysis | Prevents RNA degradation in environmental samples | Ideal for gene expression studies | Format: 50 preps
- QIAamp Viral RNA Mini Kit - Optimized for waterborne viruses (norovirus, enteroviruses, SARS-CoV-2) | Carrier RNA enhances recovery of low viral titers | Sample input: 140 µL to 10 mL water | RT-qPCR ready eluate | Format: 50 preps
Tiangen Column-Based Kits
Cost-effective, high-quality extraction kits for routine water analysis:
- TIANamp Bacteria DNA Kit - Rapid bacterial DNA extraction from pure cultures | Sample input: 1-5 mL bacterial culture (10⁷-10⁹ cells) | Yield: 5-20 µg DNA | Processing time: 30 min for 24 samples | Purity: A260/280 = 1.7-1.9 | Format: 50 or 250 preps | Applications: 16S sequencing, bacterial identification
- TIANamp Genomic DNA Kit - Universal genomic DNA extraction from diverse organisms | Suitable for bacterial isolates, algae, fungi from water | Sample input: 10⁶-10⁸ cells | Yield: 10-50 µg high molecular weight DNA | Long DNA fragments (>50 kb) for genome sequencing | Format: 50 preps
- TIANamp Water DNA Kit - Specialized for environmental water samples | Efficient removal of PCR inhibitors (fulvic/humic acids) | Sample input: filtered water (0.22 µm, 100 mL-5L) | Yield: 5-30 µg DNA | Compatible with qPCR and NGS applications | Format: 50 preps
- RNAprep Pure Bacteria Kit - High-quality total RNA from bacterial cultures | Removes genomic DNA contamination | Sample input: 1-2 mL culture (10⁷-10⁹ cells) | Yield: 10-40 µg RNA | RIN >8.5 | Processing time: 45 min | Format: 50 preps
- RNAprep Pure Plant Kit (Modified for Algae) - Extracts RNA from algae and cyanobacteria in water samples | Breaks rigid cell walls effectively | Sample input: 100-500 mg algal biomass | Yield: 20-100 µg RNA | Format: 50 preps
- Key Features - Silica membrane spin columns | Optimized buffer formulations | Cost-effective alternative to premium brands (30-40% lower cost) | Reliable performance validated by independent labs | CE marked, ISO 13485 certified
Simgen Column-Based Kits
High-performance extraction kits with competitive pricing:
- SteadyPure Bacteria DNA Extraction Kit - Fast, reliable DNA extraction from bacterial cultures | Sample input: 1-5 mL culture | Yield: 5-25 µg DNA | Purity: A260/280 = 1.8-2.0 | Processing time: 25 min | Format: 50 or 200 preps
- SteadyPure Universal Genomic DNA Kit - Broad-spectrum kit for diverse water microorganisms | Enhanced lysis for Gram-positive bacteria and algae | Sample input: bacterial cultures, biofilm, or filtered water | Yield: 10-40 µg DNA | Format: 50 preps
- SteadyPure Water Pathogen DNA Kit - Optimized for low-biomass drinking water samples | High sensitivity for trace pathogen detection | Sample input: 100 mL-1L filtered water | Yield: 2-15 µg DNA | Minimal elution volume (30-50 µL) for concentrated DNA | Format: 50 preps
- SteadyPure RNA Extraction Kit - Universal RNA extraction from bacteria and environmental samples | RNase inhibitor included in lysis buffer | Sample input: 1-5 mL culture or filtered water | Yield: 10-50 µg RNA | On-column DNase digestion option | Format: 50 preps
- Key Features - High-quality silica membranes (comparable to QIAGEN) | Fast protocols (20-40 min) | Excellent cost-performance ratio | Validated for research and diagnostic applications | Technical support in English and Mandarin
Magnetic Bead-Based Extraction Kits
Tiangen Magnetic Bead Kits
High-throughput automation-friendly DNA/RNA extraction with magnetic bead technology:
- TIANamp Bacteria DNA Magnetic Beads Kit - Paramagnetic bead-based DNA isolation | No centrifugation required | Sample input: 0.5-5 mL bacterial culture (10⁶-10⁹ cells) | Yield: 5-30 µg DNA | Binding capacity: up to 50 µg DNA per reaction | Purity: A260/280 = 1.8-2.0 | Processing time: 30 min for 96 samples | Automation compatible: 96-well plate format, liquid handling robots | Format: 50 or 500 preps
- TIANamp Genomic DNA Magnetic Beads Kit - Universal genomic DNA extraction with magnetic beads | Suitable for diverse organisms (bacteria, fungi, algae, protozoa) | Sample input: 10⁵-10⁸ cells or 10-50 mg tissue/biofilm | Yield: 10-50 µg high molecular weight DNA | Minimal shearing (DNA >50 kb) for long-read sequencing | Automation: compatible with KingFisher, Hamilton, Tecan platforms | Format: 50 or 500 preps
- TIANamp Water DNA Magnetic Beads Kit - Environmental water sample DNA extraction | Removes PCR inhibitors efficiently (>99% humic acid removal) | Sample input: filtered water (0.22 µm membrane, up to 10L water equivalent) | Yield: 5-40 µg DNA depending on biomass | Magnetic bead recovery >95% | Processing time: 35 min | High-throughput: process 96 samples in 2 hours | Format: 50 or 500 preps
- RNAprep Virus Magnetic Beads Kit - Viral RNA extraction from water (wastewater surveillance) | Sample input: 200 µL to 10 mL water or concentrate | Yield: 1-20 µg RNA (depending on viral titer) | Carrier RNA included | RNase-free magnetic beads | Compatible with RT-qPCR (no inhibitors) | Automation: 96-well format | Format: 50 or 500 preps | Applications: SARS-CoV-2 wastewater monitoring, norovirus surveillance
- RNAprep Pure Bacteria Magnetic Beads Kit - High-throughput bacterial RNA extraction | Sample input: 0.5-2 mL culture (10⁷-10⁹ cells/mL) | Yield: 10-50 µg total RNA | RIN value >8.0 | On-bead DNase treatment option | Automation compatible | Format: 50 or 500 preps
- Key Technology Features - Superparamagnetic beads (200-300 nm diameter) | Rapid magnetic separation (30-60 seconds) | No centrifugation or vacuum filtration required | Scalable from 1 to 384 samples | Reduced cross-contamination risk | Lower elution volumes (30-100 µL) for concentrated nucleic acids
Simgen Magnetic Bead Kits
Advanced magnetic bead technology for automated and manual extraction:
- MagPure Bacteria DNA Magnetic Beads Kit - Fast bacterial DNA extraction with magnetic beads | Sample input: 0.5-5 mL culture (10⁶-10⁹ cells) | Yield: 5-30 µg DNA | Purity: A260/280 = 1.8-2.1 | Magnetic separation time: <1 min per step | Processing time: 25 min for 96 samples | Compatible with manual magnetic separators or automated liquid handlers | Format: 50, 200, or 1000 preps
- MagPure Water DNA Magnetic Beads Kit - Optimized for environmental water DNA extraction | Enhanced lysis for diverse microbial communities | Sample input: filtered water (0.22 µm, 100 mL-5L equivalent) | Yield: 5-35 µg DNA | Superior inhibitor removal (validated for wastewater samples) | Automation: 96-well deep-well plate compatible | Format: 50 or 500 preps
- MagPure Viral RNA Magnetic Beads Kit - High-sensitivity viral RNA extraction | Sample input: 200 µL-10 mL water sample | Yield: 1-15 µg RNA | Carrier RNA stabilizes low viral titers | RNase-free throughout | RT-qPCR inhibitor-free | Processing time: 30 min | Automation: compatible with most liquid handling systems | Format: 50 or 500 preps | Applications: wastewater epidemiology, drinking water viral surveillance
- MagPure Total RNA Magnetic Beads Kit - Universal RNA extraction from bacterial cultures and environmental samples | Sample input: 0.5-5 mL culture or water concentrate | Yield: 10-60 µg total RNA | DNase digestion included (on-bead) | RIN >8.5 | Format: 50 or 500 preps
- MagPure Cell-Free DNA Magnetic Beads Kit - Extracts extracellular DNA (eDNA) from water | Sample input: 1-10 mL water (no filtration required) | Detects environmental DNA from aquatic organisms | Yield: 0.5-10 µg eDNA | Applications: biodiversity monitoring, fish population surveys, invasive species detection | Format: 50 preps
- Key Technology Features - High binding capacity beads (>20 µg DNA per 50 µL bead slurry) | Uniform bead size distribution (coefficient of variation <5%) | Excellent reproducibility (CV <3% for replicate extractions) | Compatible with 96-well and 384-well formats | Pre-dispensed bead options for ultimate convenience | Storage: room temperature stable reagents (except beads stored at 4°C)
Sample Preparation Accessories
Cell Lysis Equipment
Bead-beating homogenizers (2 mL tubes, 96-well plates). Enzymatic lysis reagents (lysozyme, proteinase K). Chemical lysis buffers (compatible with all kits). Heat blocks and thermomixers (37-100°C). Ultrasonic disruptors for tough cell walls.
Filtration Systems
Vacuum filtration manifolds (12-24 positions). 0.22 µm membrane filters (cellulose, PVDF, nylon). Filter holders for large volume water (1-20L). Peristaltic pumps for continuous filtration. Pre-filters for high-turbidity samples (5-10 µm).
Centrifuges
Microcentrifuges (13,000-16,000 × g for spin columns). Benchtop centrifuges with plate adapters (96-well). Refrigerated centrifuges for RNA work (4°C). Vacuum concentrators for DNA/RNA concentration. Rotor options for different tube formats.
Magnetic Separators
Manual magnetic racks (8-tube, 96-well plates). Automated magnetic particle processors (KingFisher Flex, Biomek). Magnetic separation stands (variable heights). High-gradient magnetic separators for small beads. 384-well magnetic plates for ultra-high throughput.
Quality Control & Quantification
DNA/RNA Quantification
Spectrophotometers (NanoDrop, A260/280/230 measurements). Fluorometric quantification (Qubit with dsDNA/RNA assays). Real-time qPCR quantification (absolute copy number). Gel electrophoresis for visual quality assessment. Automated microplate readers for high-throughput.
Purity & Integrity Assessment
Bioanalyzers for RNA integrity (RIN scoring). Fragment analyzers for DNA size distribution. Agarose gel electrophoresis (verify high molecular weight DNA). Purity ratios (A260/280 for protein, A260/230 for salts). PCR inhibitor testing (spiked controls).
Storage & Handling
DNA Storage Solutions
TE buffer (10 mM Tris, 1 mM EDTA, pH 8.0). Nuclease-free water for long-term storage (-20°C to -80°C). DNA stabilization reagents for room-temperature storage. Low-retention microtubes prevent DNA loss. Proper labeling and tracking systems (barcodes, LIMS integration).
RNA Storage Solutions
RNase-free water or TE buffer. RNase inhibitors for short-term storage (4°C). Immediate freezing at -80°C (long-term). RNA stabilization reagents (RNAlater). Separate RNA work area to prevent RNase contamination. Dedicated pipettes and tips for RNA.
Cold Chain Maintenance
-80°C ultra-low freezers for long-term DNA/RNA storage (>1 year). -20°C freezers for short-term storage (weeks to months). 4°C refrigerators for reagent storage. Ice buckets and cold blocks for sample processing. Temperature monitoring with alarms.
Safety & Contamination Prevention
UV crosslinkers for decontaminating work surfaces. RNase decontamination solutions (RNaseZap). Dedicated pipettes for pre-PCR and post-PCR work. Filter tips prevent aerosol contamination. Separate labs or dedicated hoods for RNA extraction.
Applications by Water Sample Type
| Water Type | Recommended Kit | Sample Preparation | Expected Yield |
|---|---|---|---|
| Drinking Water (Low Biomass) | QIAGEN QIAamp DNA Mini Kit or Simgen Water Pathogen DNA Kit | Filter 0.5-5L water through 0.22 µm membrane; extract from filter | 2-10 µg DNA |
| Wastewater (Municipal) | QIAGEN DNeasy PowerWater Kit or Tiangen Water DNA Magnetic Beads Kit | Filter 100-500 mL through 0.22 µm; strong lysis buffer needed | 10-40 µg DNA |
| Bacterial Pure Cultures | Tiangen TIANamp Bacteria DNA Kit or Simgen SteadyPure Bacteria Kit | 1-5 mL overnight culture (10⁸-10⁹ cells/mL); pellet by centrifugation | 10-30 µg DNA |
| Biofilm Samples | QIAGEN DNeasy PowerSoil Pro Kit or Tiangen Genomic DNA Kit | Scrape 10-50 mg biofilm; bead-beating lysis recommended | 5-25 µg DNA |
| Surface Water (Rivers, Lakes) | QIAGEN DNeasy PowerWater Kit or Simgen MagPure Water DNA Kit | Filter 1-5L through 0.22 µm; inhibitor removal critical | 5-30 µg DNA |
| Viral Surveillance (Wastewater) | QIAGEN QIAamp Viral RNA Mini Kit or Tiangen RNAprep Virus Magnetic Beads Kit | Centrifuge/ultrafiltration to concentrate viruses; 200 µL-10 mL input | 1-15 µg RNA |
| Algae/Cyanobacteria | Tiangen RNAprep Pure Plant Kit or QIAGEN DNeasy PowerSoil Pro Kit | Collect 100-500 mg algal biomass by filtration; liquid nitrogen grinding | 10-50 µg RNA/DNA |
Why Choose Our DNA/RNA Extraction Kits?
Brand Diversity & Flexibility
Access to premium (QIAGEN) and cost-effective (Tiangen, Simgen) brands. Choose based on budget, throughput, and application. All brands validated for water quality applications. Technical support from manufacturers and our team. Side-by-side comparison data available upon request.
Proven Performance
Validated for EPA, ISO, and APHA Standard Methods. Consistent lot-to-lot reproducibility (CV <5%). Published in peer-reviewed water quality research. Used by leading environmental and public health laboratories. Third-party testing and certification available.
Optimized for Water Samples
Specialized kits for environmental water matrices. Efficient removal of PCR inhibitors (humic acids, heavy metals, salts). High recovery from low-biomass samples (drinking water). Compatible with downstream applications (qPCR, NGS, Sanger sequencing). Protocols optimized for 16S/18S rRNA amplification.
Comprehensive Technical Support
Protocol optimization for unique water types. Troubleshooting low yields or poor purity. Method validation assistance for accredited labs. Training workshops on best practices. Webinars on emerging techniques (eDNA, metatranscriptomics). Direct access to applications scientists.
High-Throughput Solutions
Magnetic bead kits compatible with automation. 96-well and 384-well plate formats available. Reduce hands-on time by 70-80% with automation. Process 96-384 samples in 2-4 hours. Integration with LIMS for sample tracking. Validated on major liquid handling platforms.
Quality Assurance
Lot-specific certificates of analysis provided. Tested with positive and negative controls. No detectable DNase/RNase contamination. Sterile, single-use components. ISO 13485 certified manufacturing (QIAGEN, Tiangen, Simgen). Compatible with GLP/GMP requirements.
Need Help Choosing?
Our applications scientists have decades of combined experience in environmental Sample analysis. Contact us with your specific requirements.