PBS buffer at pH 6.2 is widely used in biological and biochemical research for maintaining stable pH conditions. It is particularly effective in cell culture applications, where it helps to keep the environment consistent for cell growth and experimentation. This buffer is also utilized in immunoassays, such as ELISA, to ensure accurate and reproducible results by providing a stable pH for antibody-antigen interactions. Additionally, PBS buffer at pH 6.2 is employed in protein purification processes, where it aids in maintaining the integrity and functionality of proteins during extraction and separation. Its balanced ionic composition makes it suitable for washing cells and tissues, preventing osmotic stress and maintaining cellular structure. In molecular biology, it is often used as a diluent for reagents and samples, ensuring consistent reaction conditions. Overall, PBS buffer at pH 6.2 is a versatile tool in various laboratory procedures, contributing to the reliability and accuracy of experimental outcomes.