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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la200266e
|2 doi
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|a eng
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|a Contreras-Cáceres, Rafael
|e verfasserin
|4 aut
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|a Multifunctional microgel magnetic/optical traps for SERS ultradetection
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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
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|a Date Completed 26.08.2011
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|a Date Revised 21.11.2013
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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 report on the fabrication of a SERS substrate comprising magnetic and silver particles encapsulated within a poly(N-isopropylacrylamide) (pNIPAM) thermoresponsive microgel. This colloidal substrate has the ability to adsorb analytes from solution while it is expanded (low temperature) and reversibly generate hot spots upon collapse (high temperature or drying). Additionally, the magnetic functionality permits concentration of the composite particles into small spatial regions, which can be exploited to decrease the amount of material per analysis while improving its SERS detection limit. Proof of concept for the sequestration of uncommon molecular systems is demonstrated through the first SERS analysis of pentachlorophenol (PCP), a chlorinated ubiquitous environmental pollutant
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Acrylic Resins
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|a Environmental Pollutants
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|a Gels
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|a poly-N-isopropylacrylamide
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|a 25189-55-3
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|a Pentachlorophenol
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|a D9BSU0SE4T
|2 NLM
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|a Abalde-Cela, Sara
|e verfasserin
|4 aut
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|a Guardia-Girós, Pablo
|e verfasserin
|4 aut
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|a Fernández-Barbero, Antonio
|e verfasserin
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|a Pérez-Juste, Jorge
|e verfasserin
|4 aut
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|a Alvarez-Puebla, Ramon A
|e verfasserin
|4 aut
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|a Liz-Marzán, Luis M
|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 27(2011), 8 vom: 19. Apr., Seite 4520-5
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|g volume:27
|g year:2011
|g number:8
|g day:19
|g month:04
|g pages:4520-5
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