Applications of Radioimmunoassay RIA in Pharmaceutical Analysis

The scope of applicability of radioimmunoassay is rapidly expanding with the dawn of each day as RIA is being developed for newer pharmaceutical substances. It has attained wide recognition and application both in vitro and in vivo measurements of compounds of interest like insulin, gastrin, glucagon, and growth hormones on one hand whereas drugs like  

Flunisolide — A steroid having marked anti-inflammatory activity, 

Carteolol — Bj-Adrenoreceptor blocker used in hypertension and arrthmias, 

RIA of some of these drugs will be discussed in the sections that follows  

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