Journal
ANALYTICAL CHEMISTRY
Volume 88, Issue 9, Pages 4751-4758Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.6b00073
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Funding
- National Research Foundation of Korea - Ministry of Science, ICT and Future Planning [NRF-2014S1A2A2028540, NRF-2014R1A1A2058218]
- Agency for Defense Development through Chemical and Biological Defense Research Center
- National Research Foundation of Korea [2014S1A2A2028540, 2014R1A1A2058218] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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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