The Circumscribe-β-1,4-glucanase (C1) Activity Assay Kit is primarily used to measure the enzymatic activity of β-1,4-glucanase, which plays a crucial role in breaking down cellulose into simpler sugars. This kit is widely applied in biofuel research to evaluate the efficiency of cellulose degradation, a key step in the production of bioethanol. It is also utilized in agricultural studies to assess the decomposition of plant biomass, aiding in the development of improved composting methods. Additionally, the kit is employed in industrial settings to monitor and optimize enzyme performance in textile and paper manufacturing processes, where cellulose breakdown is essential. Its applications extend to environmental science, where it helps in studying the role of cellulolytic enzymes in natural ecosystems and their potential in bioremediation.