Voltammetric determination of cysteamine at multiwalled carbon nanotubes paste electrode in the presence of isoproterenol as a mediator-中国期刊网

摘要 Asensitiveelectrochemicalsensorforthedeterminationofcysteamine(CA)wasdevelopedusingamodifiedmultiwallcarbonnanotubepasteelectrode(MWCNTPE)withisoproterenol(ISPT)asamediator.ThismodifiedelectrodeshowedveryhighelectrocatalyticactivityfortheanodicoxidationofCA.Undertheoptimizedconditions,theelectrocatalyticpeakcurrentshowedalinearrelationshipwithCAconcentrationintherangeof0.3–450.0mmol/Lwithadetectionlimitof0.09mmol/LCA.ThemodifiedelectrodewasusedforthedeterminationofCAinrealsamplessuchasurineanddrugsamples.

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Voltammetric determination of cysteamine at multiwalled carbon nanotubes paste electrode in the presence of isoproterenol as a mediator

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Voltammetric determination of cysteamine at multiwalled carbon nanotubes paste electrode in the presence of isoproterenol as a mediator

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