Used for quantitative detection of apelin-36 in biological samples such as serum, plasma, and cell culture supernatants. Widely applied in cardiovascular research due to apelin’s role in regulating blood pressure and fluid balance. Helps in studying metabolic disorders, heart failure, and angiogenesis. Provides high sensitivity and specificity, enabling accurate measurement of low-concentration apelin-36 in small sample volumes. Suitable for both clinical and preclinical research settings.