Used in neuroscience and pharmacological research to quantify dopamine D1 receptor levels in biological samples such as cell lysates, tissue homogenates, and cerebrospinal fluid. Enables researchers to study receptor expression changes in response to drug treatments, neurological disorders like Parkinson’s disease, schizophrenia, and addiction. Supports investigation into receptor activation, signaling pathways, and the development of targeted therapeutics. Provides a reliable, high-throughput method for measuring D1R protein concentration in experimental models, aiding in the validation of gene expression and protein modulation studies.