Used in biomedical research to measure osteocalcin levels in biological samples, aiding in the study of bone metabolism and turnover. Helps assess osteoblast activity and bone formation in experimental models. Commonly applied in studies related to osteoporosis, metabolic bone diseases, and the effects of drugs or hormones on bone health. Enables quantitative analysis in serum, plasma, and cell culture supernatants, supporting research in endocrinology and skeletal biology.