2005
DOI: 10.1021/jp045413r
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Self-Assembly of Stimuli-Responsive Water-Soluble [60]Fullerene End-Capped Ampholytic Block Copolymer

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Cited by 52 publications
(52 citation statements)
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“…This block was designed to enable endosomal escape of the bound cargo through a pH-induced conformation change. Under physiological conditions, this block is ampholytic in nature with both positive DMAEMA and negative PAA residues masking the hydrophobic BMA content [6467]. However, upon uptake into endosomal compartments, this lower pH environment causes PAA carboxylate residues to become protonated.…”
Section: Resultsmentioning
confidence: 99%
“…This block was designed to enable endosomal escape of the bound cargo through a pH-induced conformation change. Under physiological conditions, this block is ampholytic in nature with both positive DMAEMA and negative PAA residues masking the hydrophobic BMA content [6467]. However, upon uptake into endosomal compartments, this lower pH environment causes PAA carboxylate residues to become protonated.…”
Section: Resultsmentioning
confidence: 99%
“…The as-prepared products were purified by hydrolysis in distilled water for 1 week and the subsequent lyophilization. For details of synthesis and purification, refer to [17,18]. The number-average molecular weight (M n ) and polydispersity index (PDI) of the precursor PDMA-bPtBA is 18,700 g/mol and 1.23 (by GPC measurement), respectively.…”
Section: Methodsmentioning
confidence: 99%
“…A well-defined, 60-fullerene end-capped block polyampholyte was synthesized by atomic transfer radical polymerization. [82] This compound showed good water solubility at room and elevated temperatures, and at low and high pH, but phase-separated in the vicinity of its pI. Unimeric nanoparticles (5 nm) and aggregates (120 nm) coexisted at low and high pH values.…”
Section: Stimuli-responsive Amphoteric Gelsmentioning
confidence: 95%