Used in biomedical research to measure cyclic guanosine phosphate (cGMP) levels in rat samples, this ELISA kit enables accurate quantification of cGMP in tissues and biological fluids such as plasma, serum, and cell lysates. It is widely applied in studies related to cardiovascular function, neurotransmission, and endocrine signaling, where cGMP acts as a key second messenger. Researchers use this kit to investigate the effects of drugs, hormones, and signaling pathways involving nitric oxide and natriuretic peptides. The assay supports high-throughput analysis with high sensitivity and specificity, making it suitable for pharmacological and physiological experiments in academic and industrial laboratories.