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Seven commercial heparin active pharmaceutical ingredients and one commercial low molecular weight from different manufacturers were characterized with a view profiling their physicochemical properties. All heparins had similar molecular weight properties as determined by polyacrylamide gel electrophoresis (MN, 10–11 kDa; MW, 13–14 kDa; polydispersity (PD), 1.3–1.4) and by size exclusion chromatography...
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