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Nanomaterials (Basel). 2020 Jun 17;10(6). doi: 10.3390/nano10061179.

Customized In Situ Functionalization of Nanodiamonds with Nanoparticles for Composite Carbon-Paste Electrodes.

Nanomaterials (Basel, Switzerland)

Raquel Montes, Gerard Sánchez, Jingjing Zhao, Cristina Palet, Mireia Baeza, Julio Bastos-Arrieta

Affiliations

  1. GENOCOV Research Group, Department of Chemical, Biological and Environmental Engineering, School of Engineering, Universitat Autònoma de Barcelona, Carrer de les Sitges, 08193 Bellaterra (Cerdanyola del Vallès), Spain.
  2. GENOCOV Research Group, Department of Chemistry, Faculty of Science, Edifici C-Nord, Universitat Autònoma de Barcelona, Carrer dels Til·lers, 08193 Bellaterra (Cerdanyola del Vallès), Spain.
  3. Grup de Tècniques de Separació en Química, Department of Chemistry, Facultat de Ciències, Universitat Autònoma de Barcelona, Carrer dels Til·lers, 08193 Bellaterra (Cerdanyola del Vallès), Spain.
  4. Physical Chemistry TU Dresden, Zellescher Weg 19, 01069 Dresden, Germany.

PMID: 32560355 PMCID: PMC7353388 DOI: 10.3390/nano10061179

Abstract

The incorporation of nanomaterials on (bio)sensors based on composite materials has led to important advances in the analytical chemistry field due to the extraordinary properties that these materials offer. Nanodiamonds (NDs) are a novel type of material that has raised much attention, as they have the possibility of being produced on a large scale by relatively inexpensive synthetic methodologies. Moreover, NDs can present some other interesting features, such as fluorescence, due to surface functionalization and proved biocompatibility, which makes them suitable for biomedical applications. In addition, NDs can be customized with metallic nanoparticles (NPs), such as silver or gold, in order to combine the features of both. Raw NDs were used as modifiers of sensors due to the electrocatalytic effect of the sp

Keywords: carbon nanostructures; electrochemical (bio)sensor; graphite; metal nanoparticles; nanodiamonds; optimal composition; surface functionalization

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