Used in biomedical research to quantify human hemoglobin β subunit (HB-β) levels in biological samples such as blood, plasma, or cell lysates. Enables detection and measurement of HB-β in studies related to hemoglobinopathies, thalassemia, sickle cell disease, and other disorders involving abnormal hemoglobin expression. Commonly applied in clinical labs and research settings to assess β-globin chain synthesis, monitor disease progression, and evaluate therapeutic interventions. Provides a reliable, sensitive, and specific method for immunoassay-based analysis, supporting both diagnostic development and basic science investigations into red blood cell biology and globin regulation.