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Categories

• Solid Phase Extraction (SPE)
• Customized SPE Cartridge
• Automated SPE Robot
• Filtration Systems
• Customized Glassware
• Customized Reactor
• Shaker/Oven/Sonicators
• Waterbath/Fridge/Preservation
• Water/Wastewater Sensors
• Aquatic Genomics
• DNA/RNA Extraction
• Genomic DNA Cleanup
• Gel Electrophoresis
• Next-Gen Sequencing
• Waterborne Pathogen Detection
• Microbial Culture/Screening
• Pharmaceutical Residue Detection
• Herbicide Detection
• PFAS Detection
• Microplastic Detection
• Mobile Lab Solution

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Gel Electrophoresis

Achieve reliable, high-resolution separation and visualization of nucleic acids and proteins with our comprehensive electrophoresis systems. From routine DNA analysis to complex protein characterization, our gel tanks, power supplies, precast gels, and molecular weight markers deliver consistent results for water quality research, microbial identification, and molecular diagnostics. Simplify your workflow with ready-to-use solutions designed for busy water testing laboratories.

DNA Gel Electrophoresis Systems

Horizontal Gel Tanks for Agarose Gels

Industry-standard systems for DNA fragment analysis and quality control:

• Tank Sizes Available - Mini (7×10 cm, 1-2 samples) | Small (10×15 cm, 8-20 samples) | Medium (15×20 cm, 20-40 samples) | Large (20×25 cm, 40-60 samples) | Maxi (25×30 cm, 60+ samples)
• Gel Casting Trays - UV-transparent polycarbonate or acrylic | Multi-tier design allows simultaneous casting of 2-4 gels | Quick-release gel tray system
• Comb Options - 8, 12, 16, 20, or 30-well combs included | Well capacity: 10-50 µL depending on comb size | Sample loading guide marks on tank
• Buffer Circulation - Built-in buffer recirculation for uniform field strength | Cooling coils optional for long runs (>3 hours) | Buffer volume: 200mL-2L depending on tank size
• Safety Features - Hinged lid with safety interlock | Automatic power cutoff when lid opens | Spill-resistant buffer chambers | Color-coded electrode connections
• Gel Thickness - Standard 5-8mm for routine DNA analysis | Thin gels (3-5mm) for faster runs | Preparative thick gels (10-15mm) for DNA extraction
• Applications - PCR product verification (16S, 18S amplicons), plasmid DNA analysis, restriction enzyme digestion analysis, DNA quality assessment (genomic DNA integrity), gel extraction for cloning, bacterial strain fingerprinting (RAPD, RFLP)

Submarine Electrophoresis Systems

Fully submersible gel platform for enhanced cooling and uniform separation:

• Cooling Efficiency - Gel completely submerged in buffer | Superior heat dissipation for high-voltage runs | Ideal for large DNA fragments (>10 kb)
• Modular Design - Interchangeable gel trays (7-25 cm) in single tank | Stackable platforms for multiple gel runs simultaneously
• Applications - Pulsed-field gel electrophoresis (PFGE) preparation, bacterial genomic DNA analysis, large plasmid separation

Protein Gel Electrophoresis Systems

Vertical Gel Systems (SDS-PAGE)

High-resolution protein separation for water quality and microbial research:

• System Formats - Mini vertical (8×10 cm gels, 1-2 gels/run) | Standard vertical (10×12 cm, 2-4 gels/run) | Large format (16×20 cm, preparative scale)
• Gel Thickness - 0.75 mm (high resolution, faster runs) | 1.0 mm (standard, 10-50 µg protein/lane) | 1.5 mm (preparative, 100+ µg protein/lane)
• Gel Cassettes - Reusable glass plates with spacers | Pre-assembled cassettes with leak-proof seals | Quick-release clamps for easy assembly
• Buffer Chambers - Upper and lower buffer reservoirs | Platinum wire electrodes for even current distribution | Buffer volume: 400mL-1.5L depending on system size
• Cooling Options - Built-in cooling core connects to recirculating chiller | Maintains 4-15°C during run | Prevents protein degradation and band distortion
• Well Configurations - 8, 10, 12, 15, or 20-well combs | Well capacity: 10-50 µL | Preparative combs (1-4 wells) for large protein loads
• Dual Gel Capability - Run different percentage gels simultaneously | Compare multiple samples side-by-side | Independent gel removal without disturbing other gels
• Applications - Bacterial protein profiling, enzyme purity assessment (extracted from water bacteria), aquatic toxin protein characterization, biofilm extracellular protein analysis, quality control of recombinant proteins, Western blot sample preparation

Native-PAGE Systems

Non-denaturing electrophoresis for active enzyme analysis:

• Temperature Control - Integrated cooling (4°C) maintains protein activity | Essential for enzyme activity gels (zymography)
• Blue Native PAGE Compatible - Study protein complexes in native state | Identify multi-subunit enzymes from environmental bacteria
• Applications - Enzyme activity assays (peroxidase, phosphatase from bacteria), protein-protein interaction studies, quality control of purified enzymes

Power Supplies

Basic Power Supplies (Constant Voltage)

Economical power for routine DNA and protein electrophoresis:

• Voltage Range - 10-300V | Sufficient for most agarose and SDS-PAGE applications
• Current Output - Up to 400 mA | Powers 2-4 gel tanks simultaneously
• Control Modes - Constant voltage (CV) mode standard | Manual voltage adjustment with LCD display
• Safety Features - Overload protection | Short-circuit detection | Automatic shutoff at run completion (timer function)
• Connectivity - Universal banana plug outputs | Powers most gel tank models | Dual output jacks for running 2 gels independently
• Applications - Routine DNA gel electrophoresis (1-3 hours runs), standard SDS-PAGE, educational laboratories

Advanced Programmable Power Supplies

Multi-mode power supplies for demanding applications and automation:

• Voltage Range - 1-3000V | Supports pulsed-field and high-voltage applications
• Current & Power Output - Up to 600 mA, 300W | Multiple gel tanks or large-format gels
• Operating Modes - Constant voltage (CV) | Constant current (CC) | Constant power (CP) | Automatic crossover between modes
• Programmable Protocols - Store up to 50 custom run methods | Multi-step programs (e.g., pre-run at 50V/10 min, then 120V/60 min) | Automatic voltage ramping
• Real-Time Monitoring - Digital display shows voltage, current, power, time, and resistance simultaneously | Graph output on LCD screen
• Data Logging - USB or Ethernet connectivity | Export run parameters for GLP/GMP documentation | Remote monitoring via computer software
• Timer Functions - Countdown timer with audible alarm | Auto-pause/resume capability | Timed voltage stepping
• Safety & Alarms - No-load detection | Sudden resistance change alerts (gel cracking, buffer depletion) | Temperature monitoring (if connected to cooled systems)
• Applications - PFGE (pulsed-field gel electrophoresis), isoelectric focusing, 2D gel electrophoresis, automated high-throughput labs, GLP-compliant research

Precast Gels - Ready to Use

Precast Agarose Gels (DNA)

Convenient, consistent gels eliminate preparation time and variability:

• Gel Percentages Available - 0.8% (large DNA >5 kb) | 1.0% (general purpose, 500 bp-10 kb) | 1.5% (small fragments, 100-1000 bp) | 2.0% (high resolution, 50-500 bp) | 3.0% (ultra-small fragments <100 bp)
• Gel Formats - Mini (7×10 cm) | Small (10×15 cm) | Medium (15×20 cm) | Custom sizes available
• Well Configurations - 8, 10, 12, 16, 20-well options | Well volume: 10-30 µL depending on gel size
• Buffer System - Pre-buffered with TAE or TBE | Room-temperature stable for 12 months (sealed packaging)
• DNA Staining Options - Unstained (user adds ethidium bromide or safe stains) | Pre-stained with GelRed™ or SYBR® Safe (non-toxic alternatives) | Ready for immediate loading and imaging
• Quality Control - Lot-to-lot consistency guaranteed | Each lot tested with DNA ladder | Resolution specification provided
• Shelf Life - 12 months at room temperature (sealed) | 3 months after opening (resealable packaging)
• Applications - PCR product quality control, quick DNA fragment analysis, teaching laboratories, high-throughput screening, field laboratories (no gel casting equipment needed)

Precast Protein Gels (SDS-PAGE)

Reproducible, time-saving protein gels for immediate use:

• Gel Types - Tris-Glycine gels (traditional SDS-PAGE) | Tris-Tricine gels (small proteins <30 kDa) | Bis-Tris gels (neutral pH, better protein stability)
• Gradient Gels - 4-12% (broad protein range, 10-250 kDa) | 4-20% (ultra-wide range, 5-300 kDa) | 8-16% (optimal for 15-100 kDa) | 10-20% (small to mid-size proteins)
• Fixed Percentage Gels - 8%, 10%, 12%, 15%, 18% | Choose based on target protein molecular weight | Sharper bands than gradient gels for specific MW ranges
• Gel Formats - Mini (8×8 cm, 10-15 wells) | Standard (10×10 cm, 10-20 wells) | Criterion size (13.3×8.7 cm, 18-26 wells)
• Well Types - Standard wells (25-30 µL) | Large wells (40-50 µL for preparative loads) | Comb-free (IPG strip compatible for 2D gels)
• Gel Packaging - Individual sealed cassettes | Pre-filled with storage buffer | 12-18 month shelf life at 4°C
• Quality Assurance - Tested with protein standards | Consistent Rf values guaranteed | Certificate of analysis included
• Applications - Routine protein analysis, enzyme purity verification, Western blot preparation, high-throughput proteomics, clinical diagnostics

Specialty Precast Gels

Advanced gel formats for specialized applications:

• Native PAGE Gels - 4-16% gradient or 8% fixed | Blue Native compatible | Maintains protein activity during separation
• Tricine Gels - 10-20% or 16% fixed | Optimized for peptides and small proteins (1-30 kDa) | Ideal for antimicrobial peptide analysis from water bacteria
• Urea Gels - 6M urea, 8-12% acrylamide | Denaturing gels for nucleic acid or protein analysis | RNA sequencing gel alternative
• IEF Gels - Isoelectric focusing (pH 3-10 gradient) | First dimension for 2D electrophoresis | Protein charge variant analysis

DNA Molecular Weight Markers (Ladders)

Standard DNA Ladders

Reliable size standards for routine DNA fragment analysis:

• 100 bp DNA Ladder - Range: 100-1,500 bp (11 bands) | Reference band at 500 bp (brighter intensity) | Ideal for PCR products and small plasmids | 50-100 loads per vial
• 1 kb DNA Ladder - Range: 500-10,000 bp (10 bands) | Reference band at 3,000 bp | General purpose for plasmid and genomic DNA analysis | 50-100 loads per vial
• 100 bp + 1 kb Combination Ladder - Covers 100 bp to 10 kb in single ladder | 20+ bands for comprehensive sizing | Reduces number of ladders needed
• Low Range DNA Ladder - 25-500 bp (10 bands) | High-resolution for small amplicons and primer-dimers | Useful for miRNA and small RNA analysis
• High Range DNA Ladder - 1-50 kb (10 bands) | Large genomic fragments, BAC clones, PFGE applications
• Formulation - Pre-mixed with loading dye (bromophenol blue + glycerol) | Ready to load directly onto gel | No dilution required
• Concentration - Standard: 0.5 µg/µL (load 5-10 µL per lane) | High concentration: 1.0 µg/µL (reduced lane usage)
• Stability - 12 months at -20°C | 6 months at 4°C after first use | Stable for multiple freeze-thaw cycles (up to 20×)

Quantitative DNA Ladders

Estimate DNA concentration directly from gel intensity:

• Mass Ladder (100 bp) - Each band contains specific DNA mass (25, 50, 100, 200, 400 ng) | Compare band intensity to estimate PCR product yield | Range: 100-1,500 bp
• Mass Ladder (1 kb) - 50-500 ng per band | Quantify larger DNA fragments | Range: 500-10,000 bp
• Applications - PCR yield estimation, DNA concentration before cloning, quality control without spectrophotometer

Protein Molecular Weight Markers

Broad Range Protein Markers

Comprehensive molecular weight standards for SDS-PAGE:

• Broad Range Marker (10-250 kDa) - 10-12 protein bands covering most common protein sizes | Includes: 10, 15, 25, 35, 40, 55, 70, 100, 130, 170, 250 kDa | Pre-stained (visible during run) or unstained (for Western blot)
• Wide Range Marker (6-300 kDa) - Extended range for very small and very large proteins | 14 bands for high-resolution sizing
• Pre-Stained Markers - Blue, pink, or multi-color bands for easy visualization | Track electrophoresis progress in real-time | Reference band (typically 50 or 75 kDa) in distinct color | Compatible with most Western blot membranes (visible after transfer)
• Unstained Markers - Higher accuracy for molecular weight determination | No dye interference with mass spectrometry | Visualize by Coomassie or silver staining after run
• Loading Volume - 5-10 µL per lane (pre-stained) | 2-5 µL per lane (unstained, higher concentration)
• Protein Composition - Recombinant proteins or purified natural proteins | Lot-to-lot consistency >95% | Certificate of analysis with exact band positions

Specialized Protein Markers

Markers optimized for specific applications:

• Low Range Marker (2-40 kDa) - High resolution for small proteins and peptides | Ideal for tricine gels | Includes: 2, 5, 8, 12, 17, 25, 30, 40 kDa | Applications: antimicrobial peptides, degraded proteins, toxin analysis
• High Range Marker (50-500 kDa) - Large protein complexes and aggregates | Includes: 50, 75, 100, 150, 225, 300, 400, 500 kDa
• Biotinylated Protein Marker - For use with streptavidin detection systems | Visible on Western blots without antibody | HRP-conjugated detection compatible
• Fluorescent Protein Marker - Pre-labeled with fluorophore (Cy3, Cy5, or IRDye) | Direct imaging on fluorescent scanners | No staining required | Ideal for quantitative Western blots
• Dual-Color Marker - Alternating colors for easy band counting | Reduces sizing errors | Reference bands in distinct third color

Native Protein Markers

Non-denatured standards for Native-PAGE:

• Native Marker Mix - Proteins in native conformation | Range: 20-1,200 kDa | Blue Native compatible | Maintains enzymatic activity for zymography
• Applications - Enzyme activity gels, protein complex analysis, quality control of native proteins

Complete Gel Electrophoresis Kits

Gel Imaging & Documentation

Accessories & Consumables

Why Choose Our Gel Electrophoresis Products?

Application Examples in Water Quality Testing

Application	Recommended System	Typical Protocol
16S rRNA PCR Product Verification	Medium horizontal tank + 1.5% agarose gel + 100 bp ladder	100V for 45-60 min in TAE buffer; expect ~500 bp band for V3-V4 region
Plasmid DNA Quality Check	Small horizontal tank + 0.8% agarose gel + 1 kb ladder	80V for 60-90 min; identify supercoiled, linear, and nicked forms
Bacterial Protein Profiling (MALDI-TOF prep)	Mini vertical system + 12% SDS-PAGE gel + broad range protein marker	150V for 60-90 min; Coomassie stain, excise bands for mass spec
Enzyme Purity Assessment	Standard vertical + 4-12% gradient gel + wide range marker	120V for 90-120 min; silver stain for high sensitivity (<1 ng detection)
DNA Extraction QC (Genomic DNA Integrity)	Large horizontal tank + 0.8% agarose gel + high range ladder	40V overnight (16-18 hours); high MW band indicates intact genomic DNA
Bacterial Strain Typing (RAPD-PCR)	Medium horizontal + 2% agarose gel + 100 bp ladder	90V for 90 min; fingerprint pattern comparison between isolates

Need Help Choosing?
Our applications scientists have decades of combined experience in environmental Sample analysis. Contact us with your specific requirements.