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1H NMR spectra of synthesized nanoconjugates.
Notes: (A) PMLA, (B) PEPM, (C) DOX/PEPM, and (D) DOX/DPEPM; DMSO was used as the solvent.
Abbreviations: DMSO, dimethyl sulfoxide; DOX, doxorubicin; 1H NMR, proton nuclear magnetic resonance; DPEPM, nanoconjugate formed by covalent attachment of 2,3-dimethylmaleic anhydride to polyethylenimine-modifid poly(β-L-malic acid); PEPM, polyethylenimine-modified poly(β-L-malic acid); PMLA, poly(β-L-malic acid); ppm, parts per million.
