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  Indian J Med Microbiol
 

Figure 4: Schematic representation of polyamidoamine dendrimer-based gene delivery vectors. (a) Schematic illustration of the synthesis of dendrimer/RGD conjugates (pathway A + B) and of the indirect estimation of the number of pyridyldithiol (PDP) units per dendrimer by spectrophotometry (pathway A + C). Reproduced with permission from ref.,[68] Copyright 2011, American Chemical Society. (b) Strategy of synthesis followed in dendrimer surface functionalization with alkyl chains (activation of the fatty acid + conjugation reaction). Reproduced with permission from ref.,[69] Copyright 2010, Elsevier. (c) The two-step reaction for the synthesis of peptide-functionalized G5 PAMAM dendrimers (pathway A + B), and for indirect estimation of the number of peptide units by spectrophotometry (pathway A + C). Reproduced with permission from ref.,[70] Copyright 2010, American Chemical Society

Figure 4: Schematic representation of polyamidoamine dendrimer-based gene delivery vectors. (a) Schematic illustration of the synthesis of dendrimer/RGD conjugates (pathway A + B) and of the indirect estimation of the number of pyridyldithiol (PDP) units per dendrimer by spectrophotometry (pathway A + C). Reproduced with permission from ref.,<sup>[68]</up> Copyright 2011, American Chemical Society. (b) Strategy of synthesis followed in dendrimer surface functionalization with alkyl chains (activation of the fatty acid + conjugation reaction). Reproduced with permission from ref.,<sup>[69]</sup> Copyright 2010, Elsevier. (c) The two-step reaction for the synthesis of peptide-functionalized G5 PAMAM dendrimers (pathway A + B), and for indirect estimation of the number of peptide units by spectrophotometry (pathway A + C). Reproduced with permission from ref.,<sup>[70]</sup> Copyright 2010, American Chemical Society