Used in biomedical research to measure MPST (3-mercaptopyruvate sulfurtransferase) enzyme activity in human samples. Helps assess sulfur metabolism and oxidative stress pathways. Applied in studies of neurological disorders, cardiovascular diseases, and cancer where MPST plays a role in hydrogen sulfide production and cellular redox regulation. Enables quantitative analysis of MPST levels in cell lysates, tissue homogenates, and biological fluids. Supports development of diagnostic markers and evaluation of therapeutic targets.