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Spectroscopic study of 2-thiobarbituric acid modified gold nanoparticles

Materials Science Forum, ISSN: 1662-9752, Vol: 694, Page: 244-248
2011
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Conference Paper Description

Gold nanoparticles with a 13 nm diameter were synthesized and modified by a pH-sensitive, ionizable thiols acid, 2-thiobarbituric acid (TBA). After modification, the maximum absorbance wavelength shifted from 520 to 524 nm. Several effects were also investigated, including the pH, the salt and the metal ions effects.

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