Used in immunological research to quantify complement factor H levels in rat biological samples such as serum and plasma. Enables assessment of complement system regulation in studies related to inflammation, autoimmune diseases, and kidney disorders. Commonly applied in preclinical models to investigate conditions like membranous nephropathy, ischemia-reperfusion injury, and age-related macular degeneration. Supports evaluation of therapeutic interventions targeting the complement pathway. Provides a reliable, sensitive, and specific method for high-throughput screening in laboratory settings.