Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/5285
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Gouveia-Caridade, Carla | - |
dc.contributor.author | Pauliukaite, Rasa | - |
dc.contributor.author | Brett, Christopher M. A. | - |
dc.date.accessioned | 2008-09-01T15:07:07Z | - |
dc.date.available | 2008-09-01T15:07:07Z | - |
dc.date.issued | 2008 | en_US |
dc.identifier.citation | Electrochimica Acta. 53:23 (2008) 6732-6739 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/5285 | - |
dc.description.abstract | Functionalised multi-walled carbon nanotubes (MWCNTs) were cast on glassy carbon (GC) and carbon film electrodes (CFE), and were characterised electrochemically and applied in a glucose-oxidase-based biosensor. MWCNT-modified carbon film electrodes were then used to develop an alcohol oxidase (AlcOx) biosensor, in which AlcOx-BSA was cross-linked with glutaraldehyde and attached by drop-coating. The experimental conditions, applied potential and pH, for ethanol monitoring were optimised, and ethanol was determined amperometrically at -0.3 V vs. SCE at pH 7.5. Electrocatalytic effects of MWCNT were observed with respect to unmodified carbon film electrodes. The sensitivity obtained was 20 times higher at carbon film/MWCNT-based biosensors than without MWCNT. | en_US |
dc.description.uri | http://www.sciencedirect.com/science/article/B6TG0-4RPM7TX-1/1/c7c201831d528c29b469d52592bc6561 | en_US |
dc.format.mimetype | aplication/PDF | en |
dc.language.iso | eng | eng |
dc.rights | openAccess | eng |
dc.subject | Multi-walled carbon nanotubes | en_US |
dc.subject | Carbon film electrodes | en_US |
dc.subject | Glucose oxidase | en_US |
dc.subject | Alcohol oxidase | en_US |
dc.subject | Electrochemical biosensor | en_US |
dc.title | Development of electrochemical oxidase biosensors based on carbon nanotube-modified carbon film electrodes for glucose and ethanol | en_US |
dc.type | article | en_US |
dc.identifier.doi | 10.1016/j.electacta.2008.01.040 | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.openairetype | article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | Com Texto completo | - |
crisitem.author.researchunit | CEMMPRE - Centre for Mechanical Engineering, Materials and Processes | - |
crisitem.author.orcid | 0000-0002-5801-7601 | - |
crisitem.author.orcid | 0000-0002-1972-4434 | - |
Appears in Collections: | FCTUC Química - Artigos em Revistas Internacionais |
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filec0ebe13dcde844f1b727af29296c7308.pdf | 752.23 kB | Adobe PDF | View/Open |
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