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FluorescenceON–OFF switchingusingmicelleofstimuli-responsive double hydrophilicblockcopolymers:NileRed fluorescenceinmicelles of poly(acrylicacid-b-N-isopropylacrylamide)
http://hdl.handle.net/20.500.12678/0000000580
http://hdl.handle.net/20.500.12678/000000058003513619-4918-447d-8b1e-ef5cbb13f9b9
ed693fcd-fb54-4412-b2c2-5648039a11cf
Publication type | ||||||
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Journal article | ||||||
Upload type | ||||||
Publication | ||||||
Title | ||||||
Title | FluorescenceON–OFF switchingusingmicelleofstimuli-responsive double hydrophilicblockcopolymers:NileRed fluorescenceinmicelles of poly(acrylicacid-b-N-isopropylacrylamide) | |||||
Language | en | |||||
Publication date | 2016 | |||||
Authors | ||||||
Min MinYee | ||||||
Tsubone, Miyabi | ||||||
Morita, Takuya | ||||||
Yusa, Shin-ichi | ||||||
Nakashima, Kenichi | ||||||
Description | ||||||
The dual-mode fluorescenceON–OFF switchingofNileRed(NR)byusingstimuli-responsivepolymeric micelle ofpoly(acrylicacid-b-N-isopropylacrylamide)(PAA-b-PNIPAM)hasbeenstudied.PAA-b-PNIPAM, one ofdoublehydrophilicblockcopolymers,isknowntoformPNIPAM-core/PAA-coronamicellesin aqueoussolutionswhenthetemperatureofthesolutioniselevateduptothelowercriticalsolution temperature(LCST)ofPNIPAMblock.ItalsoformsPAA-core/PNIPAM-coronamicelleswhentheanionic PAAblockischarge-neutralizedwithcationiccetyltrimethylammoniumion.Fluorescencepropertiesof NR inthemicellesareelucidatedbyobservingvarious fluorescenceparameterssuchasintensity, polarization, andquantumyield.Itisfoundthatthe fluorescence intensityisnegligiblylow(OFF-state) when PAA-b-PNIPAMexistsasaformofunimer,whereasitisremarkablyenhanced(ON-state)whenthe PNIPAM-coreorPAA-coremicellesareformed.Theseresultsdemonstratethatanovel fluorescence ON– OFF switchingsystemcanbeconstructedbyusingPAA-b-PNIPAMmicellesandNR. |
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Keywords | ||||||
Fluorescence | ||||||
Identifier | https://umoar.mu.edu.mm/handle/123456789/308 | |||||
Journal articles | ||||||
Journal of Luminescence | ||||||
176 | ||||||
Conference papaers | ||||||
Books/reports/chapters | ||||||
Thesis/dissertations |