rm1131(ab316222) Anti-Collagen I antibody [RM1131] A recombinant rabbit antibody, supplied by Abcam, cited in 6 publications. Applications used include IHC-P-IF andab316223 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