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Hetero-Telechelic Dye-Labeled Polymer for Nanoparticle Decoration

Roth, PJ, Kim, K-S, Bae, SH, Sohn, B-H, Theato, P and Zentel, R (2009) Hetero-Telechelic Dye-Labeled Polymer for Nanoparticle Decoration MACROMOLECULAR RAPID COMMUNICATIONS, 30 (14). pp. 1274-1278.

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The synthesis of poly(methyl methacrylate) (PMMA) exhibiting one fluorescent dye (Texas Red) and one methyl disulfide end group is described. It is shown that the latter end group enabled the exchange of both oleic amine on gold nanoparticles (AuNP) and of oleic acid on CdSe/ZnS quantum dots (QD), allowing for a phase transfer of both types of nanoparticles (NP) from hexane into dimethylformamide due to the solubility provided by the PMMA chains. For AuNP, a fluorescence quenching of the dye was found due to fluorescence resonance energy transfer (FRET) from the dye to the AuNP, while QDs caused a fluorescence enhancement by FRET from the QD to the attached dyes. Due to the hetero-telechelic geometry of the polymer, the separation between NP and dye is governed by the end-to-end distance of the polymer.

Item Type: Article
Subjects : Chemistry
Authors :
Roth, PJ
Kim, K-S
Bae, SH
Sohn, B-H
Theato, P
Zentel, R
Date : 16 July 2009
DOI : 10.1002/marc.200900254
Copyright Disclaimer : � 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Uncontrolled Keywords : Science & Technology, Physical Sciences, Polymer Science, POLYMER SCIENCE, end group, fluorescence resonance energy transfer (FRET), nanoparticles, polymer, reversible addition fragmentation chain transfer (RAFT), RESONANCE ENERGY-TRANSFER, QUANTUM DOTS, RAFT PROCESS, FLUORESCENCE, POLYMETHACRYLATES, AMINOLYSIS
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 25 May 2016 13:42
Last Modified : 31 Oct 2017 18:20

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