PAGE analysis of heparin, OSCS, LMWHs, and degraded OSCS. (A) PAGE analysis of samples from nitrous acid degradation. (B) PAGE analysis of samples from enzymatic degradation. (C) PAGE analysis of samples from periodate-oxidation. (D) PAGE analysis of samples from alkaline treatment. (E) PAGE analysis of samples from hydrogen peroxide degradation, in which 1–8 are: 1, octasaccharide, derived from heparin; 2, heparin oligosaccharide standards;22
3, heparin; 4, depolymerized heparin; 5, OSCS; 6, depolymerized OSCS, 7, 1:1 mixture of heparin: OSCS; 8, depolymerized 1:1 mixture of heparin:OSCS.