Tricine precast gel (16.5%, 15 wells, 1.5mm, glass) is widely used in protein separation and analysis, particularly for low molecular weight proteins and peptides. Its application is essential in SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis), where it provides high-resolution separation of proteins in the range of 1-100 kDa. This gel is especially beneficial for resolving small proteins and peptides that are difficult to separate using traditional Tris-glycine gels. It is commonly utilized in biochemical and molecular biology research for tasks such as protein purification, characterization, and western blotting. The precast format ensures convenience, consistency, and time efficiency, making it a preferred choice in laboratories focused on proteomics and protein studies.