: While still a benchmark for sensitivity, it has largely been replaced by non-radioactive methods like ELISA due to the safety and disposal challenges of radioactive materials. 2. Registered Investment Advisor (Finance)
Developed in the late 1950s by Solomon Berson and Rosalyn Yalow, RIA revolutionized medical diagnostics by allowing the measurement of minute quantities of antigens (like insulin) in the blood. R.I.A.()
: Unlike standard brokers, RIAs are legally bound to act in their clients' best interests at all times. : While still a benchmark for sensitivity, it
In the financial sector, an RIA is a professional firm that manages assets for individuals or institutions. : Unlike standard brokers, RIAs are legally bound
: They are typically registered with the SEC or state regulators (in the US) or SEBI (in India).
: After incubation, bound and free antigens are separated. The remaining radioactivity is measured, typically with a gamma counter; the higher the radioactivity, the lower the concentration of the substance in the sample.
The acronym most commonly refers to Radioimmunoassay , a highly sensitive laboratory technique used to measure concentrations of substances like hormones or vitamins. However, depending on the context, it can also represent financial, regulatory, or technical terms. 1. Radioimmunoassay (Science & Medicine)