Articles with "modified pencil" as a keyword



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Aptamer-modified pencil graphite electrodes for the impedimetric determination of ochratoxin A

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Published in 2020 at "Food Control"

DOI: 10.1016/j.foodcont.2020.107271

Abstract: Abstract Ochratoxin A (OTA), a widespread food contaminant, is considered as one of the most hazardous mycotoxins commonly occurring in beer. Herein, we describe a novel impedimetric aptasensor based on Pencil Graphite Electrodes (PGE) for… read more here.

Keywords: pencil graphite; aptamer modified; ochratoxin; graphite electrodes ... See more keywords
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Flow Injection Analysis of Sulfide at a Calmagite-Modified Pencil Graphite Electrode

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Published in 2018 at "Analytical Letters"

DOI: 10.1080/00032719.2017.1317782

Abstract: ABSTRACT In this study, a new approach is proposed for low cost, sensitive, rapid, and selective detection of sulfide based on its electrocatalytic oxidation at a calmagite-modified pencil graphite electrode. The calmagite-modified pencil graphite electrode… read more here.

Keywords: graphite electrode; sulfide; pencil graphite; electrode ... See more keywords