Biolink PW-G80 Density Gradient Collection System

Biolink PW-G80 Density Gradient Collection System | Full-Spectrum UV-Vis Detection with Automated Hydraulic Fractionation

Description

The Biolink PW-G80 Density Gradient Collection System provides real-time UV-Vis monitoring (200–1100 nm), automated hydraulic aspiration, and low-mixing fractionation. Designed for nucleic acids, proteins, and macromolecule separation in proteomics, molecular biology, and pharmaceutical R&D.

Summary

PW-G80 is a next-generation density gradient fraction collector featuring full-spectrum UV-Vis detection, hydraulic aspiration, and automated fraction collection. With advanced software, anti-cross-contamination design, and compatibility with Biolink PW-G100/PW-G20 systems, it delivers high resolution, reproducibility, and efficiency for life sciences research.

Biolink PW-G80 Density Gradient Collection System

Overview – Advanced Fractionation with Full-Spectrum Detection

The Biolink PW-G80 is engineered for precision fractionation after ultracentrifugation. Equipped with a full-spectrum UV-Vis detector (200–1100 nm) and an automated hydraulic aspiration system, it ensures minimal band mixing, stable sample recovery, and reproducible results. Its intuitive software enables real-time monitoring and UV spectral curve generation, making it an indispensable tool for proteomics, molecular biology, and drug discovery workflows

Key Features & Advantages

• Full-Spectrum UV-Vis Detection (200–1100 nm): Real-time absorbance monitoring with xenon lamp illumination — no warm-up required, with up to 1 billion ignition cycles.

• Hydraulic Aspiration Technology: Stable band extraction with minimal disturbance and reduced operator error.

• Automated Sample Collection: Fractions are automatically collected into pre-labeled centrifuge tubes with adjustable volume and flow rates.

• Anti-Contamination Flow Path: Automated tube cleaning prevents cross-sample contamination.

• Integrated Software Platform: Supports real-time spectrum visualization, fraction adjustment, and automated UV curve plotting.

• System Compatibility: Designed to integrate with PW-G100 density gradient preparation system and PW-G20 gradient maker

Technical Specifications

• Detection Range: 200–1100 nm (UV-Vis)

• Light Source: Xenon lamp, instant ignition, 10⁹+ ignition cycles

• Detection Unit: Unique liquid-core design ensures full detection of separated bands

• Fraction Collection: Hydraulic aspiration, low-mixing, automated transfer

• Fraction Volume & Flow Rate: Adjustable by software (typical 0.5–2 mL per fraction)

• Tube Compatibility: Standard centrifuge tubes with labeling

• Cleaning System: Automated fluidic path cleaning to prevent cross-contamination

• Software Functions: Real-time monitoring, adjustable parameters, UV-spectrum plotting, data export

Application Scenarios

• Nucleic Acid Research: DNA and RNA gradient separations

• Protein Fractionation: Structural and functional proteomics workflows

• Macromolecule Separation: Viruses, extracellular vesicles, and lipoproteins

• Pharmaceutical R&D: Drug formulation and density gradient characterization

• Complex Samples: Plant extracts, cell lysates, and clinical biofluids

Case Example – Gradient Fractionation with PW-G80

In a sucrose gradient separation, PW-G80 demonstrated sharp UV absorption peaks at 260 nm and 280 nm for nucleic acids and proteins, respectively. Hydraulic aspiration ensured low mixing (<5%) between bands, with consistent yields across multiple runs.

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Frequently Asked Questions (FAQ)

Q1. What detection wavelengths are supported?
A1. PW-G80 supports full-spectrum detection from 200 nm to 1100 nm.

Q2. How does PW-G80 reduce cross-contamination?
A2. Automated cleaning of the flow path eliminates residuals, reducing contamination risks.

Q3. Can the PW-G80 be integrated with other Biolink systems?
A3. Yes, it is fully compatible with PW-G100 (density gradient preparation) and PW-G20 gradient makers.

Q4. What type of tubes can be used?
A4. Standard centrifuge tubes are supported, with software-controlled positioning for automatic fraction collection.

Q5. What sample types can PW-G80 handle?
A5. It supports a wide range, including nucleic acids, proteins, viruses, lipoproteins, plant extracts, and serum samples.

Related BIOLINK Products

• MF-700 SPR Molecular Fishing Platform – for biomolecular interaction analysis.

• PW-APS001 Automated Protein Purification System – upstream protein purification.

• CELLImage Live Cell Imaging Systems – for cellular-level research.

Contact BIOLINK for Demo & Partnership

Upgrade your laboratory workflows with PW-G80.
📧 support@biolinktechtop.com | 📱 WhatsApp: +86 13911847060
👉 Request a demo or detailed datasheet today.