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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c00079
|2 doi
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Meng, Xianghua
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Greater SERS Activity of Ligand-Stabilized Gold Nanostars with Sharp Branches
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|c 2020
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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
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|a Date Revised 07.04.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Sharp branches of gold nanostars are critical in tuning the plasmonic properties of these nanostars and maximizing the activities in surface-enhanced Raman scattering (SERS). The interaction between the capping ligands and nanostars plays an essential role in determining the morphology of the branches on the gold nanostars. In this Article, we show that 4-mercapto benzoic acid can effectively control the morphology of branched gold nanostars, and these gold nanostars can be used for the colloidal SERS detection of probe molecules at a nanomolar concentration. We also find that the sharp branches on gold nanostars will provide extra SERS activities as compared to the ones with a rough surface. Using the method of principal component analysis, we can easily distinguish the addition of 4-mercapto pyridine molecules at a concentration of 2 nM. Our work indicated the promising applications of these gold nanostars in colloidal SERS studies for various ultrasensitive chemical analyses
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|a Journal Article
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|a Dyer, Jacqueline
|e verfasserin
|4 aut
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1 |
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|a Huo, Yifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Chaoyang
|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 1992
|g 36(2020), 13 vom: 07. Apr., Seite 3558-3564
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2020
|g number:13
|g day:07
|g month:04
|g pages:3558-3564
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|u http://dx.doi.org/10.1021/acs.langmuir.0c00079
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