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Synthetic scheme of dual-responsive poly(amido amine)s.
Abbreviations: CBA, N,N′-cystaminebisacrylamide; HDA, hexamethylene diamine; HMBA, hexmethylenebisacrylamide; KDA, [1,1′-(2,2′-(propane-2,2-diylbis(oxy)) bis(ethane-2,1-diyl))diurea]; NonR, non-responsive; AcidR, acid responsive; RedoxR, redox responsive; DualR, dual responsive.
