Used to measure catalase (CAT) enzyme activity in biological samples such as serum, plasma, tissue homogenates, and cell lysates. It is commonly applied in research settings to study oxidative stress, as catalase plays a key role in protecting cells from reactive oxygen species by breaking down hydrogen peroxide into water and oxygen. The kit enables quantitative analysis, supporting studies in areas like aging, inflammation, neurodegenerative diseases, and cancer. It is suitable for high-throughput screening and provides a reliable method for assessing antioxidant capacity in experimental models.