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On the interactions of TEMPO radicals with gold nanostructures

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Abstract

The direct binding of four TEMPO radicals to citrate-coated gold nanoparticles and nanoclusters was investigated by means of EPR, fluorescence spectroscopy, kinetic measurements, TEM imaging and microcalorimetry. Although some degree of binding between TEMPO or 4-hydroxy-TEMPO and gold nanoparticles could not be excluded, it was negligible when compared with binding with 4-amino or 4-carboxy-TEMPO, showing that binding takes place exclusively, or almost exclusively, via the 4-amino or 4-carboxy substituent.

Graphical abstract: On the interactions of TEMPO radicals with gold nanostructures

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Publication details

The article was received on 30 Nov 2017, accepted on 21 Apr 2018 and first published on 23 Apr 2018


Article type: Paper
DOI: 10.1039/C7NJ04714B
Citation: New J. Chem., 2018, Advance Article
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    On the interactions of TEMPO radicals with gold nanostructures

    C. Aliaga, S. Michea, C. Pastenes, J. Salazar and M. C. Rezende, New J. Chem., 2018, Advance Article , DOI: 10.1039/C7NJ04714B

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