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Chromium-51 is a synthetic radioactive isotope of chromium having a half-life of 27.7 days and decaying by electron capture with emission of gamma rays (0.32 MeV); it is used to label red blood cells for measurement of mass or volume, survival time, and sequestration studies, for the diagnosis of gastrointestinal bleeding, and to label platelets to study their survival.
Chromium is a free and open-source web browser project, primarily developed and maintained by Google. [3] It is a widely-used codebase , providing the vast majority of code for Google Chrome and many other browsers, including Microsoft Edge , Samsung Internet , and Opera .
This page lists radioactive nuclides by their half-life.
For example, Chromium-51 will form by neutron activation in chrome steel (which contains Cr-50) that is exposed to a typical reactor neutron flux. [5]
Chromium-51. 51 Cr is a gamma emitter. Name Investigation Route of administration In-vitro / in-vivo Imaging / non-imaging Cr51-[heart scan/blood volume
Chromium is a chemical element; it has symbol Cr and atomic number 24. ... [50] [51] Though misidentified as a lead compound with selenium and iron components, ...
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The classical method of detecting this is the chromium-51 [51 Cr] release assay; the sulfur-35 [35 S] release assay is a little used radioisotope-based alternative. Target cell lysis is determined by measuring the amount of radiolabel released into the cell culture medium by means of a gamma counter or scintillation counter.