JASCO V-630 Bio UV-Vis Spectrophotometer
| Brand | JASCO |
|---|---|
| Origin | Japan |
| Model | V-630 Bio |
| Optical System | Single-beam |
| Detector | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.2 nm |
| Spectral Bandwidth | 1 nm |
| Stray Light | ≤0.02% T |
| Automation | Motorized Wavelength Scanning |
| Sample Volume Requirement (with 8-position micro-volume rotator) | 4 µL per measurement |
| Temperature Control Option | Peltier-based electronic thermostat (optional) |
Overview
The JASCO V-630 Bio is a high-performance, single-beam UV-Vis spectrophotometer engineered for precision quantification and spectral characterization of biological macromolecules in research and quality control laboratories. Operating on the fundamental principle of absorbance spectroscopy—where sample-specific electronic transitions induce wavelength-dependent attenuation of incident light—the instrument delivers reliable photometric data across a broad spectral range (190–1100 nm). Its optimized optical path, combined with a high-stability deuterium/tungsten-halogen lamp source and a thermally stabilized photodiode array detector, ensures consistent baseline stability and low-noise signal acquisition. Designed specifically for life science applications, the V-630 Bio integrates hardware-level optimization for low-volume, high-value samples—enabling rapid, non-destructive analysis without dilution or cuvette reuse concerns.
Key Features
- Single-beam optical architecture with motorized wavelength scanning for repeatable, drift-compensated spectral acquisition
- Photodiode array (PDA) detector enabling full-spectrum capture in <1 second per scan, supporting kinetic and time-resolved measurements
- High wavelength accuracy (±0.2 nm) and narrow spectral bandwidth (1 nm) compliant with ISO 9001 and ASTM E275-22 requirements for photometric validation
- Integrated 8-position micro-volume rotating sample holder—requires only 4 µL per measurement, minimizing sample consumption and cross-contamination risk
- Optional Peltier-controlled temperature regulation (±0.1 °C stability) for temperature-sensitive assays including DNA melting curve analysis and enzyme kinetics
- Capacitive touchscreen LCD interface with handwritten input support, enabling intuitive method setup and real-time visualization without external PC dependency
Sample Compatibility & Compliance
The V-630 Bio accommodates diverse biological matrices—including purified proteins, oligonucleotides, plasmid DNA, cell lysates, and enzyme reaction mixtures—without requiring quartz cuvettes or extensive sample preparation. Its micro-volume rotator supports standard 1 mm pathlength equivalent quantification, validated against NIST-traceable reference standards. Instrument compliance extends to GLP and GMP environments: audit trail functionality (via optional software license), electronic signature support, and 21 CFR Part 11–compliant data integrity features are available through JASCO’s Spectra Manager II software suite. All optical components meet IEC 61000-4 electromagnetic compatibility standards and are housed in a thermally shielded enclosure to suppress ambient thermal drift.
Software & Data Management
Spectra Manager II (v3.5+) serves as the native platform, offering pre-installed, validated application modules: Protein/Nucleic Acid Quantitation (A260/A280 ratio, extinction coefficient-based concentration), Enzyme Kinetics (Michaelis-Menten and Lineweaver-Burk fitting), and DNA Melting Curve Analysis (Tm determination with first-derivative peak identification). Raw spectral data are stored in vendor-neutral JCAMP-DX format; reports export to PDF, CSV, or Excel with embedded metadata (operator ID, timestamp, instrument serial number, calibration status). Data backup supports direct write-to-USB flash drives and network-attached storage (NAS) via Ethernet interface. Software validation documentation—including IQ/OQ protocols and performance verification checklists—is provided for regulated laboratory deployment.
Applications
- Routine nucleic acid purity assessment (A260/A230 and A260/A280 ratios) and concentration determination in molecular biology workflows
- Protein quantification using direct A280 measurement or colorimetric assays (e.g., Bradford, BCA) with integrated reference curve management
- Thermal denaturation profiling of double-stranded DNA and RNA hybrids under controlled temperature ramping
- Enzyme activity monitoring via continuous absorbance tracking at characteristic wavelengths (e.g., NADH at 340 nm)
- Quality control of biopharmaceutical intermediates—including mAb aggregation screening via UV spectral shape analysis
- Validation of oligonucleotide synthesis yield and desalting efficiency in oligo QC labs
FAQ
What is the minimum sample volume required for measurement?
With the optional 8-position micro-volume rotator, only 4 µL of sample is needed per measurement—equivalent to a 1 mm pathlength absorbance reading.
Does the V-630 Bio support regulatory-compliant data handling?
Yes—when configured with Spectra Manager II and appropriate licensing, it supports 21 CFR Part 11-compliant electronic records, including user authentication, audit trails, and immutable data archiving.
Can the instrument perform temperature-controlled experiments?
An optional Peltier-based electronic thermostat enables precise sample temperature control from 4 °C to 90 °C, with ramp rates programmable in 0.1 °C increments.
Is spectral calibration traceable to national standards?
Wavelength calibration uses holmium oxide and didymium filters certified to NIST SRM 2034 and SRM 2035; photometric calibration employs neutral density filters traceable to NIST SRM 930e.
How is instrument performance verified post-installation?
JASCO provides a comprehensive OQ protocol covering wavelength accuracy, photometric linearity, stray light, and baseline stability—aligned with ISO/IEC 17025 and USP spectrophotometer qualification guidelines.
