Beckman Model LS-230 Liquid Scintillation Counter and Digitoxin Radioimmunoassay
- 1970s
Liquid scintillation counters measure the radioactivity of a sample by mixing the sample with a solvent containing a scintillator, which will emit photons in the presence of radioactive materials. The counter measures the pulses of photons as wavelengths of light detected through phototubes.
Radioimmunoassay is an assay technique used to measure concentrations of antigens by use of antibodies. This test often requires making antigens radioactive and is frequently used to measure hormones in blood.
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Cite as
Photomation. “Beckman Model LS-230 Liquid Scintillation Counter and Digitoxin Radioimmunoassay,” 1970–1979. Beckman Historical Collection, Box 86. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/p8418n70s.
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