Used in biomedical research to measure renin levels in rat samples, aiding studies on blood pressure regulation and kidney function. Enables quantification of renin concentration in serum, plasma, or tissue extracts for experiments related to the renin-angiotensin system. Supports research in hypertension, cardiovascular diseases, and renal disorders. Provides a reliable, sensitive, and specific method for detecting rat renin, facilitating drug development and physiological studies.