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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c01965
|2 doi
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|a pubmed25n1104.xml
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|a eng
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| 100 |
1 |
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|a Xie, Kai-Xin
|e verfasserin
|4 aut
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|a Multiarchitecture-Based Plasmonic-Coupled Emission Employing Gold Nanoparticles
|b An Efficient Fluorescence Modulation and Biosensing Platform
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 21.10.2021
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|a Date Revised 21.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Surface plasmon-coupled emission (SPCE) is an efficient surface-enhanced fluorescence method based on the near-field coupling process of surface plasmons and fluorophores. Based on this, we developed multiple coupling structures for an SPCE system by introducing gold nanoparticles (AuNPs) with different architectures by adjusting different modification methods and configurations. By assembling AuNPs on a gold substrate through electrostatic adsorption and spin-coating, 40- and 55-fold enhancements were obtained compared to free space (FS) emission, respectively. After theoretical simulations and the optimization of experimental conditions, a novel "hot-spot" plasmonic structure, an intense electromagnetic field within the system, plasmonic properties, and the coupled process were found to be mainly responsible for the diverse enhancement effects observed. For the spin-coating deposition method, new enhancing systems with high efficiency can be easily built without complex modification. Additionally, the subsequent detection system based on the uniform modification of AuNPs through electrostatic adsorption is convenient to establish with high sensitivity and stability, which can broaden the application of SPCE in both fluorescence-based sensing and imaging. This AuNP-enhanced SPCE using an electrostatic adsorption method was designed as an immunosensor to prove feasibility
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Gold
|2 NLM
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|a 7440-57-5
|2 NLM
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| 700 |
1 |
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|a Liu, Chang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Qian
|e verfasserin
|4 aut
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|a Xiao, Xiu-Xian
|e verfasserin
|4 aut
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|a Li, Zhuan
|e verfasserin
|4 aut
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| 700 |
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|a Li, Meng-Fan
|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 1985
|g 37(2021), 40 vom: 12. Okt., Seite 11880-11886
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:37
|g year:2021
|g number:40
|g day:12
|g month:10
|g pages:11880-11886
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|u http://dx.doi.org/10.1021/acs.langmuir.1c01965
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