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BioRad GS-800 Calibrated Densitometer


BioRad GS-800 Calibrated Densitometer

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  • Transmissive and reflective imaging using red green and blue CCD technology to scan chromogenic samples at the optimal detection wavelength
  • Imaging of a wide variety of samples such as 1-D and 2-D gels colorimetric dot and slot blots film-based chemiluminescent blots autoradiograms slides and photographs
  • IQ/OQ for verification of the reflectance and transmittance calibration functions
  • High resolution and analysis of closest bands on a gel due to 12-bit precision and 36.3 μm resolution
  • Scanning of larger gels for enhanced separation of proteins on oversized 29 x 40 cm sample platen
  • Accurate quantitation of samples such as Coomassie Blue– and silver-stained gels over a large dynamic range (0–3.0 OD)
  • Sealed imaging platen to accommodate wet samples of variable thickness
  • Purity analysis and lane background tools for manufacturing QC
Product Description

BioRad GS-800™ Calibrated Densitometer

The BioRad GS-800™ calibrated densitometer offers superior accuracy sensitivity and data reproducibility. It automatically self-calibrates the optical density to optimize detection.

BioRad GS-800™ calibrated densitometer Features include:

  • Transmissive and reflective imaging using red green and blue CCD technology to scan chromogenic samples at the optimal detection wavelength
  • Imaging of a wide variety of samples such as 1-D and 2-D gels colorimetric dot and slot blots film-based chemiluminescent blots autoradiograms slides and photographs
  • IQ/OQ for verification of the reflectance and transmittance calibration functions
  • High resolution and analysis of closest bands on a gel due to 12-bit precision and 36.3 μm resolution
  • Scanning of larger gels for enhanced separation of proteins on over-sized 29 x 40 cm sample platen
  • Accurate quantitation of samples such as Coomassie Blue– and silver-stained gels over a large dynamic range (0–3.0 OD)
  • Sealed imaging platen to accommodate wet samples of variable thickness
  • Purity analysis and lane background tools for manufacturing QC

BioRad GS-800™ calibrated densitometer Transmittance and Reflectance

Unlike laser densitometer systems the Bio-Rad GS-800 calibrated densitometer has both transmittance and true reflectance capabilities that allow accurate scans of both transparent and opaque samples. The advantage of true reflectance scanning is accurate detection and analysis of molecules on the surface of membranes rather than molecules distributed throughout the membrane matrix. True reflectance provides the most accurate detection and analysis of dot blots slot blots and other electro-phoretic blots without quantitation error.

IQ/OQ

The calibration of the Bio-Rad GS-800 calibrated densitometer can be validated by following BioRad GS-800 densitometer IQ/OQ protocols.These protocols are available as an accessory to the Bio-Rad GS-800 densitometer. The easy-to-follow protocols include instructions for installation of the hardware and software and for verification of the calibration functions.

CFR Module

The Bio-Rad GS-800 densitometer can be used in a GMP/GLP-compliant environment. The CFR module assists users with meeting U.S. FDA 21 CFR Part 11 requirements.

Specifications for the BioRad GS-800 Calibrated Densitomter

  Light source   Fluorescent white  
  Wavelength   400–750 nm  
  Absorbance range   0–3.0 OD (transmissive); 0–2.0 RD (reflective)  
  Operating modes   Transmissive and reflective  
  Scanning area   Transmissive 29 x 40 cm; reflective 30 x 40 cm  
  Sampling rate   800 x 1600 dpi  
  Pixel density   12-bit  
  Resolution   36.3 µm  
  Operating system compatibility   Windows XP and 2000; analysis can be done using Mac OS X as well  
  Dimensions (W x D x H)   62.6 x 47.3 x 19.3 cm (24.6 x 18.6 x 7.6")  
  Weight   20.8 kg (45.9 lb)  

Bio-Rad Bio-Rad WS-BIOGS800