Flash Spectrum ClearFirst-500S Protein Purification System
| Brand | Flash Spectrum |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | ClearFirst-500S |
| Pricing | Available Upon Request |
| Flow Rate Range | 0–40 mL/min |
| Maximum System Pressure | 0.2 MPa (2 bar / 30 psi) |
| UV Detection Wavelength | 280 nm |
| Wavelength Accuracy | ±3 nm |
| Optical Path Length | 2 mm |
| Fraction Collector Capacity | Standard 48-position 18 mm tube rack (18 × 150 mm or 15 mL conical tubes) |
| Optional racks | 130-position 1.5 mL, 88-position 13 mm, 80-position 15 mm, 20-position 50 mL |
| Detector Type | LED-based Single-Wavelength UV Detector |
| Gradient Generation | Precision Three-Port Solvent Selection Valve |
| Control Interface | Embedded Android Touchscreen Workstation (ClearFirst Android Edition) + Optional PC-Based ClearFirst Software (Windows) |
| Compliance | Designed for GLP-compliant workflows |
| Material Compatibility | Biocompatible, pressure-rated fluidic path (PEEK, PTFE, fused silica capillaries, stainless steel fittings) |
| Method Storage | Onboard method library with recall and one-touch execution |
| Detection Options | Optional Conductivity Detector (electrode-based, analog signal processing) |
Overview
The Flash Spectrum ClearFirst-500S Protein Purification System is an integrated, benchtop-scale liquid chromatography platform engineered for reproducible, scalable purification of proteins, nucleic acids, and other biopolymers under laboratory and pilot-scale conditions. Built upon a robust low-pressure liquid handling architecture (max. 0.2 MPa), the system implements classical chromatographic separation principles—including affinity, ion exchange, hydrophobic interaction, and size-exclusion chromatography—using precisely controlled mobile phase delivery, real-time UV absorbance monitoring at 280 nm, and intelligent fraction collection. Its modular design enables seamless integration of optional conductivity and pH detection modules, supporting multi-parameter process monitoring essential for method development and quality control in biopharmaceutical research, academic protein biochemistry, and vaccine antigen purification workflows.
Key Features
- Three-port high-integrity solvent selection valve enabling rapid, contamination-free switching between up to three buffer reservoirs—ideal for linear or step gradients without manual intervention.
- Low-pulsation peristaltic pump delivering stable flow rates from 0 to 40 mL/min with ≤1% RSD across the operational range, ensuring baseline stability critical for peak resolution in analytical and semi-preparative applications.
- LED-based 280 nm UV detector with 2 mm optical path length and ±3 nm wavelength accuracy—optimized for native protein detection with extended diode lifetime (>10,000 h) and minimal thermal drift.
- Automated fraction collector featuring position-synchronized tube indexing, anti-spill valve actuation, and real-time peak-triggered collection—eliminating tube misalignment, overflow, or cross-contamination during continuous runs.
- Modular detection expansion: Conductivity detector compliant with ASTM D1125 and ISO 7888 standards; pH sensor with ATC algorithm calibrated to NIST-traceable buffers, achieving ±0.02 pH accuracy over 2–12 pH range.
- Embedded Android-based ClearFirst workstation with intuitive graphical interface, onboard method storage (≥200 protocols), and local data export (CSV, PDF report generation).
- Optional Windows-compatible ClearFirst PC software enabling remote system control, advanced gradient programming, GLP-compliant electronic signatures, and 21 CFR Part 11–ready audit trails with user-level access management.
- Compact footprint (W × D × H: 480 × 420 × 450 mm) designed for direct placement inside standard 4°C chromatography refrigerators—maintaining temperature-sensitive sample integrity throughout purification.
- Fluidic path constructed entirely from biocompatible, low-binding materials including PEEK tubing, PTFE-lined valves, fused silica capillaries, and 316L stainless steel fittings—validated for compatibility with common aqueous buffers, 8 M urea, 6 M guanidine HCl, and 50% glycerol solutions.
Sample Compatibility & Compliance
The ClearFirst-500S accommodates diverse biomolecular samples including recombinant monoclonal antibodies (mAbs), His-tagged proteins, plasmid DNA, viral vectors, and enzymatically active complexes. Its pressure rating (0–0.2 MPa) aligns with standard agarose- and polymer-based resins (e.g., Sepharose CL-4B, Capto Core 700, Q Sepharose FF), as well as rigid media such as POROS™ HQ/M and SOURCE™ 15Q. The system meets functional requirements for ISO 9001-certified laboratories and supports documentation practices aligned with ICH Q5A(R2), USP , and EU Annex 11 when operated with validated PC software configurations. All firmware and embedded software undergo periodic security patching per manufacturer’s release schedule.
Software & Data Management
The onboard ClearFirst Android OS provides immediate access to real-time chromatograms, adjustable threshold-based peak detection, and time/peak/volume-triggered fraction collection logic. Raw sensor data (UV mAU, mS/cm, pH, flow rate) are timestamped and stored locally on encrypted internal flash memory. The optional ClearFirst PC software extends functionality with multi-channel overlay, derivative analysis, retention time alignment tools, and automated QC pass/fail reporting against user-defined acceptance criteria. Data exports comply with ALCOA+ principles: attributable, legible, contemporaneous, original, accurate, complete, consistent, enduring, and available. Audit logs record all user actions—including method edits, parameter changes, and collection events—with immutable timestamps and operator ID binding.
Applications
- Purification of His-tagged recombinant proteins using Ni-NTA or Co²⁺ affinity columns.
- Isoelectric point-based separation of antibody variants via cation-exchange chromatography (CEX) at pH 5.5–6.5.
- Removal of endotoxin and host-cell protein impurities from therapeutic enzyme preparations using multimodal resins.
- Size-exclusion chromatography (SEC) of IgG aggregates and fragments with 280 nm + conductivity dual detection for orthogonal confirmation.
- Rapid screening of purification conditions (pH, salt gradient slope, residence time) during early-stage process development.
- Preparative isolation of CRISPR-Cas9 ribonucleoprotein complexes under native conditions.
FAQ
What chromatographic techniques is the ClearFirst-500S validated for?
The system is validated for affinity, ion exchange, hydrophobic interaction, and size-exclusion chromatography using standard lab-scale columns (0.5–2.6 cm ID) and resin volumes from 1 to 50 mL.
Can the system be integrated into a GMP environment?
Yes—when configured with ClearFirst PC software, 21 CFR Part 11-compliant electronic signatures, and documented IQ/OQ protocols, it supports GMP-aligned purification of clinical trial materials.
Is third-party column hardware supported?
All standard Luer-lock and 1/4″-28 threaded column connections are compatible; no proprietary adapters required.
How is data integrity ensured during power interruption?
The embedded controller maintains volatile memory backup for ≥72 hours; all active run data are auto-saved to non-volatile storage every 5 seconds.
What maintenance intervals are recommended?
Pump tubing replacement every 500 hours of operation; UV flow cell cleaning with 20% ethanol monthly; conductivity electrode calibration before each use series.
