Issue 14, 2018

Antioxidant activity of nanomaterials

Abstract

Nanomaterials represent one of the most promising frontiers in the research for improved antioxidants. Some nanomaterials, including organic (i.e. melanin, lignin) metal oxides (i.e. cerium oxide) or metal (i.e. gold, platinum) based nanoparticles, exhibit intrinsic redox activity that is often associated with radical trapping and/or with superoxide dismutase-like and catalase-like activities. Redox inactive nanomaterials can be transformed into antioxidants by grafting low molecular weight antioxidants on them. Herein, we propose a classification of nanoantioxidants based on their mechanism of action, and we review the chemical methods used to measure antioxidant activity by providing a rationale of the chemistry behind them.

Graphical abstract: Antioxidant activity of nanomaterials

Article information

Article type
Review Article
Submitted
12 Jan 2018
Accepted
09 Mar 2018
First published
09 Mar 2018

J. Mater. Chem. B, 2018,6, 2036-2051

Antioxidant activity of nanomaterials

L. Valgimigli, A. Baschieri and R. Amorati, J. Mater. Chem. B, 2018, 6, 2036 DOI: 10.1039/C8TB00107C

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