Ürün Kodu: 1700
Kategoriler: Cihaz Grubu

GAMMA COUNTERS

High-performance for RIA and IRMA immunoassays

Accurate and reproducible quality control (QC) instruments are critical for Nuclear Medicine and PET facilities. Gamma Counters from Berthold Technologies have been developed for IRMA and RIA immunoassays based on isotopes like 125I, 51Cr, 57Co, and others, and have been trusted by scientists and technicians around the globe for more than 50 years. Learn more about our user-friendly, accurate, analytical QC solutions, delivering high quality, precision and sensitivity.

Multi Crystal LB 2111

Gamma Counter

The Multi Crystal Gamma Counter LB 2111 is a remarkably simple system for gamma counting applications, delivering consistent and reliable results. Due to its compact footprint, the system fits into virtually any laboratory setting

WHAT IS A GAMMA COUNTER?

A gamma counter is an instrument used to measure gamma radiation in a sample.

HOW DOES A GAMMA COUNTER WORK?

A gamma counter uses a scintillation crystal surrounding the sample to detect gamma rays: gamma rays interact with the crystal, are absorbed, and produce light; then the produced light is measured by a light detector, usually a photomultiplier tube. The energy of gamma rays that can be detected is dependent on the thickness of the crystal: thin crystals are suitable to detect low-energy gammas, while high-energy gammas need thicker crystals. Gamma counters are not portable, as they need heavy lead shielding to protect the detector from radiation sources other than the sample (for example, other samples, or background radiation of the laboratory).

GAMMA COUNTER APPLICATIONS

Gamma counters are used to measure substances labelled with gamma-emitting isotopes. The most usual applications fall into two main groups:

  • Radioimmunoassays, including RIA, IRMA and others; this includes both the use of radioimmunoassays as diagnostics tool, and the quality control of radioimmunoassays.

  • Nuclear Medicine assays, such as the Schilling test, Red Cell Mass and Plasma Volume test, GFR (Glomerular Filtration Rate test), and others.

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