CHEMICALS USEFUL IN AN ELECTROPHORESIS SYSTEM, NAMELY GRADIENT GELS, ISOELECTRIC FOCUSING GELS, POLYACRYLAMIDE BONDED TO A TRANSPARENT POLYESTER BACKING, BUFFER STRIPS, AND COOMASSIETYPE STAINS IN TABLET FORM FOR USE IN ACADEMIC, INDUSTRIAL, CLINICAL AND RESEARCH LABORATORIES TO ANALYZE AND CHARACTERIZE PROTEINS AND POLYPEPTIDES