Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/2977
Título: Nanohybrid materials as transducer surfaces for electrochemical sensing applications
Autor: Neves, Marta M. P. S.
García, María Begoña González
Delerue-Matos, Cristina
García, Agustín Costa
Palavras-chave: Carbon nanofibers
Carbon nanotubes
Electrochemical transducer surfaces
Gold nanoparticles
Hybrid materials
Data: 2011
Editora: Wiley-VCH Verlag GmbH&Co.
Relatório da Série N.º: Electroanalysis; Vol. 23, Issue 1
Resumo: A nanohybrid electrochemical transducer surface was developed using carbon and gold nanomaterials. The strategy relayed on casting multiwalled carbon nanotubes or carbon nanofibers onto a screen-printed carbon electrode surface, followed by in situ generation of gold nanoparticles by electrochemical deposition of ionic gold, in a reproducible manner. These transducers, so fabricated, were characterized using both electrochemical and microscopic techniques. Biofunctionality was evaluated using the streptavidin-biotin interaction system as the biological reaction model. These platforms allow to achieve low detection limits (in the order of pmoles), are reproducible and stable at least for a month after their preparation, being a perfect candidate to be used as transducer of different sensor devices.
Peer review: yes
URI: http://hdl.handle.net/10400.22/2977
Versão do Editor: http://onlinelibrary.wiley.com/doi/10.1002/elan.201000427/abstract
Aparece nas colecções:ISEP – GRAQ – Artigos

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