| Antigen | For WB positive control (#IGFBP23-C), mouse IGFBP-2 (1-305 aa, mol wt ~35 kDa) was expressed in NSO and purified (>95%). For Western blot +ve control (Cat # IGFBP23-C) is supplied in SDS-PAGE sample buffer (reduced). Load 10 ul/lane of IGFBP23-C for good visibility with antibody Cat # IGFBP23- |