The Human Complement Component 9 (C9) ELISA Kit is designed to quantitatively measure C9 levels in human serum plasma and urine samples using a sandwich assay format With a sensitivity of 10 97 pg/mL and a broad detection range from 10 97 pg/mL to 8000 pg/mL this kit enables precise analysis of C9 concentrations in diverse biological matrices The assay requires a short incubation period of 1-5 hours and utilizes a sample volume of 50-100 l per test making it efficient for routine laboratory workflows Detection is performed at 450 nm ensuring reliable optical measurement of results This kit provides researchers and clinicians with a robust tool for studying complement system activity monitoring disease progression or evaluating therapeutic interventions related to C9-mediated biological processes