Chemistry – An Asian Journal

Cover image for Vol. 11 Issue 16

Editor: Theresa Kueckmann, Deputy Editor: Heiko Kuhn; Chairman of the Editorial Board: Ryoji Noyori

Impact Factor: 4.592

ISI Journal Citation Reports © Ranking: 2015: 28/163 (Chemistry Multidisciplinary)

Online ISSN: 1861-471X

Associated Title(s): Angewandte Chemie International Edition, Asian Journal of Organic Chemistry, Chemistry - A European Journal, ChemNanoMat, Chinese Journal of Chemistry, Journal of the Chinese Chemical Society, The Chemical Record

7_04/2012Cover Picture: Catalysis of Gold Nanoparticles within Lysozyme Single Crystals (Chem. Asian J. 4/2012)

While gold nanoparticles (AuNPs) have been widely used in catalysis, a detailed understanding concerning the control of their activity has been lacking. In their Communication on page 680 ff., Hui Wei and Yi Lu report that AuNPs (shown in gold in the image) grown within the single crystals of the protein lysozyme catalyze the reduction of para-nitrophenol (in orange) by NaBH4 to para-aminophenol (in green) in a size-dependent manner. Because the size of the AuNPs can be precisely tuned by the growth period for the protein crystals, a correlation between the size of AuNPs within the protein crystals and their catalytic activity has now been established. The use of chemicals to either accelerate or inhibit the activity of AuNPs is also demonstrated (Image design: Li Huey Tan, Hui Wei, and Yi Lu).

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