Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3016
Título: Towards a reliable technology for antioxidant capacity and oxidative damage evaluation: Electrochemical (bio)sensors
Autor: Barroso, M. Fátima
de-los-Santos-Álvarez, N.
Delerue-Matos, Cristina
Oliveira, M. Beatriz P. P.
Palavras-chave: Antioxidants
Free radicals
Electrochemistry
Chemically modified electrode
Enzymatic biosensors
DNA-based biosensor
Data: 2011
Editora: Elsevier
Relatório da Série N.º: Biosensors and Bioelectronics; Vol. 30; Issue 1
Resumo: To counteract and prevent the deleterious effect of free radicals the living organisms have developed complex endogenous and exogenous antioxidant systems. Several analytical methodologies have been proposed in order to quantify antioxidants in food, beverages and biological fluids. This paper revises the electroanalytical approaches developed for the assessment of the total or individual antioxidant capacity. Four electrochemical sensing approaches have been identified, based on the direct electrochemical detection of antioxidant at bare or chemically modified electrodes, and using enzymatic and DNA-based biosensors.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3016
ISSN: 0956-5663
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0956566311005938
Aparece nas colecções:ISEP – GRAQ – Artigos

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