Voltammetric Determination of Favipiravir Used as an Antiviral Drug for the Treatment of Covid‐19 at Pencil Graphite Electrode
Sign Up to like & getrecommendations! Published in 2022 at "Electroanalysis"
DOI: 10.1002/elan.202200295
Abstract: Abstract This work describes the sensitive voltammetric determination of favipiravir (FAV) based on its reduction for the first time with a low‐cost and disposable pencil graphite electrode (PGE). In addition, the determination of FAV was… read more here.
Keywords: pencil graphite; voltammetric determination; determination; graphite electrode ... See more keywords
Ultrasensitive determination of ceftizoxime using pencil graphite electrode modified by hollow gold nanoparticles/reduced graphene oxide
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2018.02.004
Abstract: Abstract In this work, a pencil graphite electrode (PGE) was modified using electrochemically reduced graphene oxide (rGO) and then hollow gold nanoparticles (HGNPs) were generated onto rGO/PGE by electrodeposition of cobalt and after that galvanic… read more here.
Keywords: microscopy; graphite electrode; reduced graphene; electrode ... See more keywords
Flow injection amperometric determination of hydrazine based on its electrocatalytic oxidation at pyrocatechol violet modified pencil graphite electrode
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.11.162
Abstract: Abstract A disposable, low cost, commercial available electrode, Pencil graphite electrode (PGE), was modified with pyrocatechol violet (Pcv) for electrocatalytic oxidation of hydrazine. To prepare modified electrode, pencil leads were immersed into 0.01 M Pcv solution… read more here.
Keywords: oxidation; hydrazine; pencil graphite; electrocatalytic oxidation ... See more keywords
Impact of intrinsic iron on electrochemical oxidation of pencil graphite and its application as supercapacitors
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.03.024
Abstract: Abstract Herein, we report a simple and eco-friendly method for the development of an ultra-low-cost carbon electrode for high-performance supercapacitor applications. Current work involves the electrochemical oxidation of pencil graphite electrode (PGE) to graphene oxide… read more here.
Keywords: oxidation; electrochemical oxidation; pencil graphite; pge ... See more keywords
Aptamer-modified pencil graphite electrodes for the impedimetric determination of ochratoxin A
Sign Up to like & getrecommendations! 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
Sensitive and selective determination of Cu 2+ at d -penicillamine functionalized nano-cellulose modified pencil graphite electrode
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2018.02.035
Abstract: Abstract A novel electrochemical sensor based on d -penicillamine anchored nano-cellulose (DPA-NC) modified pencil graphite electrode was fabricated and used for highly selective and sensitive determination of copper (II) ions in the picomolar concentration by… read more here.
Keywords: graphite electrode; pencil graphite; nano cellulose; electrode ... See more keywords
Modified pencil graphite electrode as a low-cost glucose sensor
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Science: Advanced Materials and Devices"
DOI: 10.1016/j.jsamd.2020.07.004
Abstract: Abstract A manganese oxides mediator was electrodeposited onto a low-cost pencil graphite electrode (PE) from an easily available and affordable potassium permanganate precursor. The modified manganese oxides coated PE (MnOxides/PE) was previously utilized as a… read more here.
Keywords: detection; graphite electrode; pencil graphite; low cost ... See more keywords
Signal-Enhanced Electrochemical Determination of Quercetin with Poly(chromotrope fb)-Modified Pencil Graphite Electrode in Vegetables and Fruits
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.3c00599
Abstract: A novel signal-enhanced electrochemical sensing strategy was constructed for quercetin determination with a peculiarly developed poly(chromotrope fb)-modified activated pencil graphite electrode in vegetables and fruits. The oxidation signal of quercetin at 118 mV in an… read more here.
Keywords: pencil graphite; signal enhanced; poly chromotrope; enhanced electrochemical ... See more keywords
Voltammetric analysis of naringenin at a disposable pencil graphite electrode - application to polyphenol content determination in citrus juice.
Sign Up to like & getrecommendations! Published in 2018 at "Analytical Methods"
DOI: 10.1039/c8ay02281j
Abstract: The electrochemical behaviour of the flavonoid naringenin (NGN) was investigated for the first time by cyclic voltammetry (CV), using a disposable electroactivated pencil graphite electrode (PGE*). In this electrochemical sensor, NGN is irreversibly oxidized, giving… read more here.
Keywords: graphite electrode; pencil graphite; naringenin; mol ngn ... See more keywords
Flow Injection Analysis of Sulfide at a Calmagite-Modified Pencil Graphite Electrode
Sign Up to like & getrecommendations! 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
Differential Pulse Voltammetric Determination of Serotonin Using an Acid-Activated Multiwalled Carbon Nanotube – Over-Oxidized Poly(3,4-ethylenedioxythiophene) Modified Pencil Graphite Electrode
Sign Up to like & getrecommendations! Published in 2019 at "Analytical Letters"
DOI: 10.1080/00032719.2019.1693583
Abstract: Abstract In this study, acid-activated multi-walled carbon nanotubes (AA-MWCNT) and poly(3,4-ethylenedioxythiophene) (PEDOT) were deposited on a pencil graphite electrode (PGE) surface for electrochemical sensing applications. The acid-activated multi-walled carbon nanotube/over-oxidized poly(3,4-ethylenedioxythiophene) modified pencil graphite electrode… read more here.
Keywords: graphite electrode; pencil graphite; acid activated; determination serotonin ... See more keywords