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. 2020 Sep 8;14(9):e0008365. doi: 10.1371/journal.pntd.0008365

Fig 1. End group functionalization of polyanhydride copolymers with Rho.

Fig 1

(a) Chemical synthesis scheme of Rho functionalization by melt condensation. (b) 1H NMR spectra of Rho-functionalized polymers and precursors. (c) NP-HPLC chromatograms of Rho-functionalized polymers for quantifying attached vs unattached Rho. Attached Rho elutes at 3.7 min and unattached Rho elutes at 5 min. Rho-functionalized polymers appear to contain significant amounts of unattached Rho.