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Tailoring Catalytic Activity of Pt Nanoparticles Encapsulated Inside Dendrimers by Tuning Nanoparticle Sizes with Subnanometer Accuracy for Sensitive Chemiluminescence-Based Analyses

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Journal Anal. Chem.
Author Hyojung Lim, Youngwon Ju, and Joohoon Kim
Citation Anal. Chem. 2016, 88, 9, 4751?4758
DOI https://doi.org/10.1021/acs.analchem.6b00073


Here, we report the size-dependent catalysis of Pt dendrimer-encapsulated nanoparticles (DENs) having well-defined sizes over the range of 1?3 nm with subnanometer accuracy for the highly enhanced chemiluminescence of the luminol/H2O2 system. This size-dependent catalysis is ascribed to the differences in the chemical states of the Pt DENs as well as in their surface areas depending on their sizes. Facile and versatile applications of the Pt DENs in diverse oxidase-based assays are demonstrated as efficient catalysts for sensitive chemiluminescence-based analyses.

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논문

  1. Tailoring Catalytic Activity of Pt Nanoparticles Encapsulated Inside Dendrimers by Tuning Nanoparticle Sizes with Subnanometer Accuracy for Sensitive Chemiluminescence-Based Analyses

    Category2016 AuthorHyojung Lim, Youngwon Ju, and Joohoon Kim JournalAnal. Chem. CitationAnal. Chem. 2016, 88, 9, 4751?4758 file
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  2. Sensitive Electrochemical Penicillin Sensor Based on Screen-printed Carbon Electrode Modified with Dendrimer-encapsulated Pt Nanoparticles

    Category2016 AuthorYoungwon Ju and Joohoon Kim JournalBull. Korean Chem. Soc. CitationBull. Korean Chem. Soc., 2016, 37, 397?400 file
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  3. Fluorescence Quenching of Dendrimer-Encapsulated CdS Quantum Dots for the Detection of H2O2

    Category2016 AuthorHyojung Lim, Hai Dong Kim, Joohoon Kim JournalBull. Korean Chem. Soc. CitationBull. Korean Chem. Soc., 2016, 37, 254?257 file
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  4. Functionalization of indium tin oxide electrode with both of dendrimer-encapsulated Pt nanoparticles and chemically converted graphenes for enhanced electrochemiluminescence of luminol/H2O2

    Category2016 AuthorJisoo Yoon, Taehoon Cho, Hyojung Lim, Joohoon Kim JournalAnal Bioanal Chem CitationAnal Bioanal Chem (2016) 408:7165?7172 file
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