Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 76, Issue 2, Pages 191-196Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2010.03.010
Keywords
Sonochemical synthesis; Gold nanoparticles; Photoluminescence; DNA; Biocompatibility
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Funding
- Korea Research Foundation (KRF) [C00340]
- Korea Ministry of Education, Science and Technology
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The electronic interactions of sonochemically synthesized gold (Au) nanoparticles with AT- and GC-DNA were studied by measuring photoluminescence (PL) spectral properties and the inherent PL images of the Au nanoparticles incorporated with the single DNA molecules using a laser scanning confocal microscope. The Au-nanoparticles incorporated AT-DNA and GC-DNA exhibit confocal PL image. These results suggest a Lewis acid (Au)-Lewis base (N- or O-groups of DNA) type of interaction between Au nanoparticles and DNA. (C) 2010 Elsevier By. All rights reserved.
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