Used in biomedical research to measure norepinephrine levels in human samples such as plasma, serum, or cerebrospinal fluid. This ELISA kit enables quantitative detection of norepinephrine, supporting studies related to stress response, neurological disorders, cardiovascular diseases, and adrenal function. It is widely applied in clinical research and pharmacological investigations to assess sympathetic nervous system activity. The assay offers high sensitivity and specificity, allowing researchers to analyze changes in norepinephrine concentrations under various physiological and pathological conditions.