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. Author manuscript; available in PMC: 2007 Oct 27.
Published in final edited form as: J Control Release. 2006 Aug 30;115(3):289–297. doi: 10.1016/j.jconrel.2006.08.015

Figure 1.

Figure 1

FTIR spectra of polyethylenimine, LMWH, and LMWH-PEI complexes (with increasing proportions of LMWH). Inset shows the changes of peak position for the functional groups of LMWH.