rm1131Anti-Collagen I antibody [RM1131] (ab316222) specifically detects Collagen I (UniProt ID: P02452; Molecular weht: 95kDa) and is sold in a convenient trial size to enable initial testing (20 µL) and larger sizes for subsequent scaling upab316223 is the carrier-free version of ab316222. Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. The carrier