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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la200861e
|2 doi
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|a pubmed24n0696.xml
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|a (NLM)21630657
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lai, Sheng-Feng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a One-pot tuning of Au nucleation and growth
|b from nanoclusters to nanoparticles
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.10.2011
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|a Date Revised 29.06.2011
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2011 American Chemical Society
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|a We describe a simple and effective method to obtain colloidal surface-functionalized Au nanoparticles. The method is primarily based on irradiation of a gold solution with high-flux X-rays from a synchrotron source in the presence of 11-mercaptoundecanoic acid (MUA). Extensive tests of the products demonstrated high colloidal density as well as excellent stability, shelf life, and biocompatibility. Specific tests with X-ray diffraction, UV-visible spectrometry, visible microscopy, Fourier transform infrared spectroscopy, dark-field visible-light scattering microscopy, and transmission electron microscopy demonstrated that MUA, being an effective surfactant, not only allows tunable size control of the nanoparticles, but also facilitates functionalization. The nanoparticle sizes were 6.45 ± 1.58, 1.83 ± 1.21, 1.52 ± 0.37 and 1.18 ± 0.26 nm with no MUA and with MUA-to-Au ratios of 1:2, 1:1, and 3:1. The MUA additionally enabled functionalization with l-glycine. We thus demonstrated flexibility in controlling the nanoparticle size over a large range with narrow size distribution
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a 11-mercaptoundecanoic acid
|2 NLM
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|a Biocompatible Materials
|2 NLM
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|a Colloids
|2 NLM
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|a Fatty Acids
|2 NLM
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|a Sulfhydryl Compounds
|2 NLM
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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| 700 |
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|a Chen, Wen-Chang
|e verfasserin
|4 aut
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|a Wang, Cheng-Liang
|e verfasserin
|4 aut
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|a Chen, Hsiang-Hsin
|e verfasserin
|4 aut
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|a Chen, Shin-Tai
|e verfasserin
|4 aut
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|a Chien, Chia-Chi
|e verfasserin
|4 aut
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|a Chen, Yi-Yun
|e verfasserin
|4 aut
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|a Hung, Wen-Ting
|e verfasserin
|4 aut
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|a Cai, Xiaoqing
|e verfasserin
|4 aut
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|a Li, Enrong
|e verfasserin
|4 aut
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|a Kempson, Ivan M
|e verfasserin
|4 aut
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|a Hwu, Y
|e verfasserin
|4 aut
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|a Yang, C S
|e verfasserin
|4 aut
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|a Tok, Eng-Soon
|e verfasserin
|4 aut
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|a Tan, Hui Ru
|e verfasserin
|4 aut
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|a Lin, Ming
|e verfasserin
|4 aut
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| 700 |
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|a Margaritondo, G
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 27(2011), 13 vom: 05. Juli, Seite 8424-9
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:27
|g year:2011
|g number:13
|g day:05
|g month:07
|g pages:8424-9
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|u http://dx.doi.org/10.1021/la200861e
|3 Volltext
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