Used in biomedical research to detect and quantify claudin proteins in cell or tissue samples. Helps study tight junction integrity and epithelial barrier function. Commonly applied in research on cancer, inflammatory diseases, and organ-specific disorders such as liver or kidney disease. Enables researchers to assess changes in claudin expression under experimental conditions, supporting drug development and mechanistic studies. Suitable for use with serum, plasma, cell lysates, and tissue homogenates. Provides a reliable tool for high-throughput screening in preclinical studies.