Articles with "modified screen" as a keyword



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A new electrochemical paper platform for detection of 8-hydroxyquinoline in cosmetics using a cobalt phthalocyanine-modified screen-printed carbon electrode

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Published in 2019 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2018.11.055

Abstract: Abstract An electrochemical paper-based analytical device (ePAD) using an electrocatalytic cobalt(II) phthalocyanine-modified screen-printed carbon electrode (CoPc-SPCE) was first developed for the determination of 8-hydroxyquinoline (8-HQ). The electrochemical behavior of 8-HQ on the CoPc-modified electrode was… read more here.

Keywords: modified screen; electrode; cobalt phthalocyanine; screen printed ... See more keywords
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Fabrication of magnetic iron oxide-supported copper oxide nanoparticles (Fe3O4/CuO): modified screen-printed electrode for electrochemical studies and detection of desipramine

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Published in 2020 at "RSC Advances"

DOI: 10.1039/d0ra02380a

Abstract: The present investigation examines a sensitive electrochemical technique to detect desipramine through Fe3O4/CuO nanoparticles (NPs). Fe3O4/CuO NPs were synthesized via a coprecipitation procedure, and the products were characterized via energy disperse spectroscopy, X-ray diffraction, transmission… read more here.

Keywords: cuo; microscopy; desipramine; fe3o4 cuo ... See more keywords
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A Modified F2 Screen for Estimating Cry1Ac and Cry2Ab Resistance Allele Frequencies in Helicoverpa zea (Lepidoptera: Noctuidae)

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Published in 2023 at "Journal of Economic Entomology"

DOI: 10.1093/jee/toac181

Abstract: Abstract Evaluating the frequency of resistance alleles is important for resistance management and sustainable use of transgenic crops that produce insecticidal proteins from Bacillus thuringiensis. Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) is a major crop pest… read more here.

Keywords: resistance allele; lepidoptera noctuidae; resistance; helicoverpa zea ... See more keywords
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A Simple Acetylcholinesterase Biosensor Based on Ionic Liquid/Multiwalled Carbon Nanotubes-Modified Screen- Printed Electrode for Rapid Detecting Chlorpyrifos

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Published in 2017 at "International Journal of Electrochemical Science"

DOI: 10.20964/2017.10.12

Abstract: A simple, low cost and sensitive electrochemical biosensor was developed for detection of chlorpyrifos, based on an acetylcholinesterase/multi-walled carbon nanotubes/ionic liquid composite modified screen-printed electrode (AChE/MWCNTs/IL/SPE). In this study, incorporating MWCNTs and IL formed a… read more here.

Keywords: chlorpyrifos; ionic liquid; biosensor; carbon nanotubes ... See more keywords
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Simultaneous Determination of Streptomycin and Oxytetracycline Using a Oracet-Blue/Silver-Nanoparticle/Graphene-Oxide/Modified Screen-Printed Electrode

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Published in 2020 at "Biosensors"

DOI: 10.3390/bios10030023

Abstract: In this paper, an electrochemical technique is introduced for the determination of streptomycin (STR) in the presence of oxytetracycline (OTC) in milk samples. A novel bifunctional modified screen-printed electrode (SPE) modified with oracet blue, silver… read more here.

Keywords: oracet blue; printed electrode; screen printed; str ... See more keywords
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Sensitive and Selective Voltammetric Sensor Based on Anionic Surfactant-Modified Screen-Printed Carbon for the Quantitative Analysis of an Anticancer Active Fused Azaisocytosine-Containing Congener

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms24010564

Abstract: 3-(4-Nitrophenyl)-8-(2,3-dimethylphenyl)-7,8-dihydroimidazo[2,1-c][1,2,4]triazin-4(6H)-one (NDIT) is one of the most promising candidates for anticancer agents. Hence, a sensitive and selective sodium dodecyl sulfate-modified screen-printed carbon sensor (SPCE/SDS) was used for its quantitative analysis. The SPCE/SDS, in contrast to… read more here.

Keywords: printed carbon; screen printed; sensor; sensitive selective ... See more keywords
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Electrochemical Detection of Arsenite Using a Silica Nanoparticles-Modified Screen-Printed Carbon Electrode

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Published in 2020 at "Materials"

DOI: 10.3390/ma13143168

Abstract: Arsenic poisoning in the environment can cause severe effects on human health, hence detection is crucial. An electrochemical-based portable assessment of arsenic contamination is the ability to identify arsenite (As(III)). To achieve this, a low-cost… read more here.

Keywords: detection; microscopy; silica nanoparticles; screen printed ... See more keywords