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Chemical scheme for the synthesis of (A) Cholesterol-NH2 and (B) γ-PGA/cholesterol conjugates. (C) 1H-NMR spectra of synthesized materials. (C) Letters (a–f) in H-NMR spectra indicate peaks from hydrogens (H) in letters (a–f) located on the structure, respectively.
Abbreviations: γ-PGA, poly(γ-glutamic acid); 1H-NMR, proton nuclear magnetic resonance; ppm, parts per million.
