Buscar
Mostrando ítems 1-10 de 34
Carbon nanotubes paste electrode
(Elsevier Science Inc, 2003-08)
The performance of carbon nanotubes paste electrodes (CNTPE) prepared by dispersion of multi-wall carbon nanotubes (MWNT) within mineral oil is described. The resulting electrode shows an excellent electrocatalytic activity ...
Adsorption and electrooxidation of DNA at glassy carbon paste electrodes
(Taylor, 2010-07)
This work reports the study of the adsorption and electrooxidation of nucleic acids on glassy carbon paste electrodes (GCPE) by using chronopotentiometric stripping analysis. The influence of electrochemical pretreatments, ...
Amperometric response of hydrogen peroxide at carbon nanotubes paste electrodes modified with an electrogenerated poly(Fe(III)-5-amino-phenantroline): Analytical applications for glucose biosensing
(Wiley VCH Verlag, 2010-01-23)
This work reports the catalytic activity of a polymer electrogenerated from Fe(III)-5-amino-1,10-phenantroline solution at a carbon nanotubes paste electrode (CNTPE) towards the oxidation and mainly the reduction of hydrogen ...
Highly Sensitive and selective glucose biosensing at carbon paste electrodes modified with electrogenerated magnetite nanoparticles and glucose oxidase
(Wiley VCH Verlag, 2010-07)
This work reports the advantages of carbon paste electrodes modified with electrogenerated magnetite nanoparticles. The nanoparticles present catalytic activity towards hydrogen peroxide reduction. The incorporation of ...
Addressing the surface coverage of Au nano-agglomerates and the electrochemical properties of modified carbon paste electrodes: Experimental and theoretical studies on ascorbic acid oxidation
(Elsevier Science, 2021-04)
This article shows the formation of Au nano-agglomerates when increasing amounts of gold nanoparticles (AuNP) are incorporated into carbon paste electrodes. The surface coverage by this agglomerates is related to the ...
Glucose biosensing at carbon paste electrodes containing iron nanoparticles
(Elsevier Science Sa, 2010-08)
This work reports the advantages of incorporating a metal as common as iron in a carbon paste electrode containing glucose oxidase to develop highly selective, stable and sensitive amperometric glucose biosensors. The ...
Amperometric detection of D-sorbitol with NAD+-D-sorbitol dehydrogenase modified carbon paste electrode
(Elsevier Science, 2000-11)
A biosensor based on modified carbon paste electrodes for the amperometric detection of D-sorbitol is described. Carbon paste electrodes were modified by D-sorbitol dehydrogenase (SDH) and nicotinamide adenine dinucleotide ...
Label-free electrochemical aptasensor for the detection of lysozyme
(Elsevier Science, 2009-04)
This work reports the advantages of a label free electrochemical aptasensor for the detection of lysozyme. The biorecognition platform was obtained by the adsorption of the aptamer on the surface of a carbon paste electrode ...