Used for quantitative detection of estrone levels in biological samples such as serum, plasma, and cell culture supernatants. Widely applied in endocrinology research to study hormonal imbalances, reproductive health, and metabolic disorders. Supports investigation of estrogen-related conditions including menopause, infertility, and hormone-dependent cancers. The kit enables high-throughput analysis with high sensitivity and specificity, making it suitable for clinical research and pharmaceutical development.