Environment-friendly determination of low concentration azobenzene beta-cyclodextrin-modified electrode / 生物医学与环境科学(英文)
Biomedical and Environmental Sciences
; (12): 479-484, 2008.
Article
em En
| WPRIM
| ID: wpr-296020
Biblioteca responsável:
WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To study environment-friendly determination of azobenzene in trace amounts using beta-cyclodextrin (beta-CD)-modified Au electrode.</p><p><b>METHODS</b>beta-CD-modified Au electrode was fabricated with a two-step approach, and then a gold electrode modified with beta-CD was used to detect azobenzene by employing Osteryoung square wave voltammetry.</p><p><b>RESULTS</b>The modified electrode could detect azobenzene, showing a good linearity between the electrochemical current and concentration.</p><p><b>CONCLUSION</b>Although the electrochemical current is related with concentration, the detection limit is around 1.0 x 10(-10) mol/L. This study may provide a new environment-friendly approach for monitoring water quality.</p>
Texto completo:
1
Índice:
WPRIM
Assunto principal:
Padrões de Referência
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Compostos Azo
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Abastecimento de Água
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Química
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Monitoramento Ambiental
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Reprodutibilidade dos Testes
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Sensibilidade e Especificidade
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Beta-Ciclodextrinas
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Eletroquímica
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Eletrodos
Tipo de estudo:
Diagnostic_studies
Idioma:
En
Revista:
Biomedical and Environmental Sciences
Ano de publicação:
2008
Tipo de documento:
Article