Myoglobin on multi-walled carbon nanotubes modified electrode: direct electrochemistry and electrocatalysis

Zhao, Guang‐Chao; Zhang, Li; Wei, Xian‐Wen; Yang, Zhousheng

doi:10.1016/j.elecom.2003.07.006

Cited by 227 publications

(58 citation statements)

References 23 publications

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“…electron transfer reaction of some important biomolecules, such as cytochrome c [9][10][11], myoglobin [12][13][14], glucose [15][16][17][18][19], catalase [20,21], NADH [22][23][24][25][26], and haemoglobin [27,28], among others.…”

Section: E-mail Address: Brett@ciucpt (Cma Brett)mentioning

confidence: 99%

Development of electrochemical oxidase biosensors based on carbon nanotube-modified carbon film electrodes for glucose and ethanol

Gouveia‐Caridade

Pauliukaitė

Brett

2008

Electrochimica Acta

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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.

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Section: E-mail Address: Brett@ciucpt (Cma Brett)mentioning

confidence: 99%

Development of electrochemical oxidase biosensors based on carbon nanotube-modified carbon film electrodes for glucose and ethanol

Gouveia‐Caridade

Pauliukaitė

Brett

2008

Electrochimica Acta

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“…Recent studies have also shown the potential of carbon nantoubes as amperometric sensors for detecting analytes in solution without the requirement of any mediator due to their high electron transfer rates [6]. It has been shown that CNTs can act as a conducting channel for electrons towards redox active centers resulting in sensing materials for components such as cytochrome c, horseradish peroxidase, myoglobin, and glucose oxidase [7][8][9][10]. Li et al [11] have studied the sensing properties of polymer-coated nanotubes for detecting hydrochloric acid (HCl) vapors.…”

Section: Introductionmentioning

confidence: 99%

The Adsorption Properties of Bacillus atrophaeus Spores on Single‐Wall Carbon Nanotubes

2009

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An adsorption equilibrium and a kinetic study of Bacillus atrophaeus on Single-Wall Carbon Nanotubes (SWCNTs) were here performed to provide the basis for developing biosensor devices for detecting threatening micro-organisms in water supply systems. B. atrophaeus spores and carbon nanotubes were subjected to a batch adsorption process to document their equilibria and kinetics. Here, commercial nanotubes were either studied as received or were acid-purified before adsorption experiments. The Bacillus spores appear to show higher affinity towards the purified nanotubes than to the as-received nanomaterial. The effective diffusivity of the spores onto the purified nanotubes was found to be approximately 30 percent higher than onto the as-received nanotubes. It seems that the removal of amorphous carbon from the as-received nanotubes through a purification process yielded an intimate nantoubes-spore interaction as revealed by transmission electron microscopy. Freundlich model successfully correlated the adsorption equilibrium data for the nanotubes-spore interaction. Transmission electron micrographs showed extensive contact between the Bacillus and the purified nanotubes, but the association appeared less intimate between the spores and the as-received nanotubes.

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“…Direct electron transfer has been achieved with various types of CNT electrodes for cytochrome c (Wang J. et al, 2002), horseradish peroxidase (Zhao Y. et al, 2002), myoglobin www.intechopen.com (Zhao G.C. et al, 2003), as well as glucose oxidase (Guiseppi-Elie et al, 2003).…”

Section: Cnts In Chemical Sensingmentioning

confidence: 99%

Carbon Nanotubes – Imprinted Polymers: Hybrid Materials for Analytical Applications

Cirillo¹,

Hampel²,

Puoci³

et al. 2012

Materials Science and Technology

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Myoglobin on multi-walled carbon nanotubes modified electrode: direct electrochemistry and electrocatalysis

Cited by 227 publications

References 23 publications

Development of electrochemical oxidase biosensors based on carbon nanotube-modified carbon film electrodes for glucose and ethanol

Development of electrochemical oxidase biosensors based on carbon nanotube-modified carbon film electrodes for glucose and ethanol

The Adsorption Properties of Bacillus atrophaeus Spores on Single‐Wall Carbon Nanotubes

Carbon Nanotubes – Imprinted Polymers: Hybrid Materials for Analytical Applications

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