Fig. 4From: Advanced cancer targeting using aptamer functionalized nanocarriers for site-specific cargo deliverySchematic representation of (A) synthesis of pegylated PAMAM dendrimer (PEG-PAMAM); (B) camptothecin (CPT) loading in the cavities of PEG-PAMAM; (C) conjugation of thiolated AS1411 aptamers to the maleimide groups of MAL-PEG-PAMAM-CPT and preparation of Apt-PEG-PAMAM-CPT. Reproduced with permission from Alibolandi et al. [70]. Copyright Elsevier (2017)Back to article page