461018 Assembly of pH-Sensitive Gold Nanoparticles in Strong Polyelectrolyte Brushes
Here, we addressed this aspect by studying the effect of electrostatic interaction on the uptake and distribution of pH-sensitive, charge switchable AuNPs in poly-[2-(Methacryloyloxy) ethyl] trimethylammonium chloride (PMETAC) brush, a strong positively charged polyelectrolyte brush. The results showed that the AuNP uptake and spatial distribution depend strongly on the strength of the electrostatic interaction. Furthermore, changing the pH after preparation shows a strong effect on brush/AuNP hybrid thickness and optical properties .
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