Biorad Gs-900 Calibrated Densitometer

• Quantification of DNA, RNA, and protein in gels and blots.
• Analysis of autoradiographs and chemiluminescent blots.
• Documentation and analysis of electrophoresis results.
• Measuring optical density in various biological samples.
• Quality control in molecular biology and biochemistry laboratories.

Typical Resolution

High resolution imaging, commonly in the range of 12-bit or 16-bit depth for this class of equipment.

Imaging Area

Units of this type typically accommodate gel sizes up to approximately 20 x 25 cm.

Detection Method

Often employs CCD camera technology for visible light and chemiluminescence detection.

Power Supply

Commonly operates on standard laboratory power, typically 220-240V, 50/60 Hz in the UK.

Calibration

Features integrated or software-driven calibration routines for accurate densitometric measurements.

Connectivity

Typically includes USB or Ethernet ports for data transfer and control.

• What types of samples can a densitometer like the Biorad GS-900 analyse?

  This equipment is primarily designed for analysing electrophoresis gels (agarose, polyacrylamide), Western blots, Southern blots, Northern blots, and autoradiographs.

• Is specialist software required to operate this densitometer?

• What is meant by 'calibrated' in the context of this densitometer?

• What maintenance is typically required for a used densitometer?

• Can this unit be used for fluorescent imaging?

Densitometers are regarded as dependable instruments for measuring optical density in analytical work. Buyers typically value their precision and reliability across laboratory settings. When purchasing used models, condition of the light source and detector alignment merit close inspection, as recalibration may be necessary. Industry sentiment recognises these instruments for consistent performance and straightforward operation. Build quality generally remains sound through extended use, making them sensible acquisitions for facilities requiring accurate density measurements without significant capital expenditure.

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