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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202107986
|2 doi
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|a pubmed24n1553.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Semeniak, Daria
|e verfasserin
|4 aut
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1 |
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|a Plasmonic Fluorescence Enhancement in Diagnostics for Clinical Tests at Point-of-Care
|b A Review of Recent Technologies
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.08.2023
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|a Date Revised 30.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Fluorescence-based biosensors have widely been used in the life-sciences and biomedical applications due to their low limit of detection and a diverse selection of fluorophores that enable simultaneous measurements of multiple biomarkers. Recent research effort has been made to implement fluorescent biosensors into the exploding field of point-of-care testing (POCT), which uses cost-effective strategies for rapid and affordable diagnostic testing. However, fluorescence-based assays often suffer from their feeble signal at low analyte concentrations, which often requires sophisticated, costly, and bulky instrumentation to maintain high detection sensitivity. Metal- and metal oxide-based nanostructures offer a simple solution to increase the output signal from fluorescent biosensors due to the generation of high field enhancements close to a metal or metal oxide surface, which has been shown to improve the excitation rate, quantum yield, photostability, and radiation pattern of fluorophores. This article provides an overview of existing biosensors that employ various strategies for fluorescence enhancement via nanostructures and have demonstrated the potential for use as POCT. Biosensors using nanostructures such as planar substrates, freestanding nanoparticles, and metal-dielectric-metal nanocavities are discussed with an emphasis placed on technologies that have shown promise towards POCT applications without the need for centralized laboratories
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|a Journal Article
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|a Review
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4 |
|a biosensors
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|a fluorescence enhancement
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4 |
|a metal enhanced fluorescence
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4 |
|a plasmonics
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| 650 |
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4 |
|a point-of-care testing
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| 650 |
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7 |
|a Metals
|2 NLM
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|a Fluorescent Dyes
|2 NLM
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| 650 |
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7 |
|a Oxides
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| 700 |
1 |
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|a Cruz, Daniela F
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chilkoti, Ashutosh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mikkelsen, Maiken H
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 34 vom: 25. Aug., Seite e2107986
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|g volume:35
|g year:2023
|g number:34
|g day:25
|g month:08
|g pages:e2107986
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|u http://dx.doi.org/10.1002/adma.202107986
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