Low Levels of Vitamin D Spell Trouble for Breast Cancer Patients May 16, 2008
Vitamin D levels were measured by radioimmunoassay. The women, whose age averaged about 50, were followed for just under 12 years. (Health-Finder)
The top 5 ways medical physics has changed health care Feb 29, 2008
Other techniques, such as radioimmunoassay, use the decay of radioactive materials to study a variety of physiological conditions by imaging or chemical methods ... Radioimmunoassays In 1977, the Nobel Prize in Physiology or Medicine was awarded to AAPM member Rosalyn Yalow for her the development of radioimmunoassays, an extremely sensitive diagnostic technique that can quantify tiny amounts of biological substances in the body using radioactively-labeled materials. (EurekAlert!)
Web-exclusive comment Jul 25, 2006
As the eggs matured, they were monitored by ultrasound imaging, and the hormonal response measured by a highly sensitive technique called radioimmunoassay ... In the IVF patient, blood levels of response hormones are measured by radioimmunoassay, a technology invented by Rosalyn Yalow (who won a Nobel Prize in 1977) and Solomon Berson; they gradually perfected it over a period of 15 years beginning in 1959 to measure insulin levels in diabetics. (Globe and Mail)
Folate Overload Linked to Birth of Twins After IVF May 6, 2006
Folate and vitamin B12 intake were assessed with a questionnaire, while plasma and red-blood-cell concentrations were measured by radioimmunoassay. The plasma-derived folate intake produced an odds ratio for twin births of 1. (MedPage Today)