Used in biomedical research to quantify ketone bodies such as beta-hydroxybutyrate in human serum, plasma, or other biological fluids. Enables assessment of metabolic states like ketosis, fasting, or diabetic ketoacidosis in clinical and research settings. Supports studies in metabolism, endocrinology, and nutrition by providing a reliable and sensitive method to monitor ketone levels. Commonly used in investigations related to diabetes, obesity, ketogenic diets, and mitochondrial disorders.