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Novel two-step synthesis of gold nanoparticles capped with bile acid conjugates

Noponen, Virpi and Bhat, Shreedhar and Sievanen, Elina and Kolehmainen, Erkki (2008) Novel two-step synthesis of gold nanoparticles capped with bile acid conjugates. In: Materials Science and Engineering: C, 28 (7). pp. 1144-1148.

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Bile acids and their conjugates are physiologically important molecules. Syntheses and structure elucidation combined with investigation of properties and applications of bile acids and their derivatives are of academic interest. The concept of using bile acids and their conjugates in nanoscience is a novel idea, which opens up fascinating prospects. In this article, an easy and simple route for obtaining N-lithocholyl-L-(cysteine ethyl ester) (3), capable of effectively capping and stabilizing metal nanoparticles, is described. The whole synthetic route needs only two steps giving a moderate to good yield. The gold NPs are characterized by elemental analysis, UV spectroscopy, and TEM. Additionally, $^{13}C$ CP/MAS NMR studies for different ligand/Au ratios have been performed.

Item Type: Journal Article
Publication: Materials Science and Engineering: C
Publisher: Elsevier
Additional Information: Copyright of this article belongs to Elsevier.
Keywords: Lithocholic acid;L-cysteine ethyl ester;gold nanoparticle;TEM;C-13 CP/MAS NMR.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 06 Oct 2008 09:01
Last Modified: 19 Sep 2010 04:51
URI: http://eprints.iisc.ac.in/id/eprint/16134

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