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Title of Journal: J Nanopart Res

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Abbravation: Journal of Nanoparticle Research

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Springer Netherlands

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DOI

10.1007/s10144-010-0205-x

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1572-896X

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Preparation and comparison between different thiol

Authors: Itamar Gofberg Daniel Mandler
Publish Date: 2009/09/02
Volume: 12, Issue: 5, Pages: 1807-1811
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Abstract

We report on the synthesis of monolayerprotected gold cluster MPCs in aquatic phase under different conditions Three thiols ie 2mercaptoethanesulfonic acid MPS 3mercaptopropionic acid MPA and cystamine CYS have been used as the protecting monolayer Furthermore we studied the effect of varying the ratio between the concentrations of the protecting layer the gold ions and the reducing agent in the preparation solution Comparison was based on measuring the average diameter stability and size distribution of the MPCs Best results were obtained for MPSbased MPCs and that the optimum molar concentration ratio between the protecting layer the gold ions and the reducing agent was 112

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