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Your finger and our button. The simplest way to count for RIA.

  • 1976

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Beckman's Biogamma Radioimmuno Analyzer was introduced in 1973. Radioimmunoassay (RIA) is a technique for measuring the antigen concentration. Known quantities of radioactive (labeled or “hot”) antigens and antibodies are mixed, then non-radioactive (unlabeled or “cold”) antigens are added at varying concentrations; the labeled and unlabeled antigens compete to bind to the antibodies. The bound and unbound antigens are separated, and the radioactivity of the unbound samples determines the concentration.

Creator of work
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Extent
  • 9 in. W x 13 in. L
Language
Inscription
  • (top) "1976"
Subject
Rights In Copyright - Rights-holder(s) Unlocatable or Unidentifiable
Credit line
  • Courtesy of Science History Institute

Institutional location

Department
Collection
Series arrangement
  • Sub-series 2. Advertisements
  • Series VIII. Clippings and Advertisements
Physical container
  • Box 49, Folder 36

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Cite as

Ayer Jorgensen Macdonald, and Inc. Beckman Instruments. “Your Finger and Our Button. The Simplest Way to Count for RIA.,” 1976. Beckman Historical Collection, Box 49, Folder 36. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/dz010q391.

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