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Rapid Cationization of Gold Nanoparticles by Two-Step Phase Transfer
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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4
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Angewandte Chemie, Volume 54, issue 27, pp. 7990-7993
Abstract
Cationic gold nanoparticles offer intriguing opportunities as drug carriers and building blocks for self-assembled systems. Despite major progress on gold nanoparticle research in general, the synthesis of cationic gold particles larger than 5nm remains a major challenge, although these species would give a significantly larger plasmonic response compared to smaller cationic gold nanoparticles. Herein we present the first reported synthesis of cationic gold nanoparticles with tunable sizes between 8-20nm, prepared by a rapid two-step phase-transfer protocol starting from simple citrate-capped particles. These cationic particles form ordered self-assembled structures with negatively charged biological components through electrostatic interactions.
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Hassinen, J, Liljeström, V, Kostiainen, M A & Ras, R H A 2015, 'Rapid Cationization of Gold Nanoparticles by Two-Step Phase Transfer', Angewandte Chemie, vol. 54, no. 27, pp. 7990-7993. https://doi.org/10.1002/anie.201503655