Articles with "electrochemical immunosensor" as a keyword



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Disposable electrochemical immunosensor for Brettanomyces bruxellensis based on nanogold-reduced graphene oxide hybrid nanomaterial

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Published in 2017 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-017-0505-5

Abstract: AbstractThe assembly of a novel disposable amperometric immunosensor for the detection of the red wine spoilage yeast Brettanomyces bruxellensis is reported. The nanostructured sensing interface was prepared by first coating carbon screen printed electrodes with… read more here.

Keywords: graphene oxide; bruxellensis; electrochemical immunosensor; brettanomyces bruxellensis ... See more keywords
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Reliable and disposable quantum dot–based electrochemical immunosensor for aflatoxin B1 simplified analysis with automated magneto-controlled pretreatment system

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Published in 2020 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-020-02897-x

Abstract: An integrated aflatoxin B1 (AFB1) detection platform with quantum dot (QD)-based electrochemical immunosensor and an automated magneto-controlled pretreatment system was successfully developed. The automated pretreatment system adopts the immunoaffinity magnetic beads (IMB) as the capture… read more here.

Keywords: electrochemical immunosensor; pretreatment system; afb1;
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Ag@Fe2O3-graphene oxide nanocomposite as a novel redox probe for electrochemical immunosensor for alpha-fetoprotein detection

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Published in 2018 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-018-4139-0

Abstract: AbstractIn this paper, a high sensitivity label-free electrochemical immunosensor for alpha-fetoprotein (AFP) detection using Ag@Fe2O3-graphene oxide (GO) nanocomposite (Ag@Fe2O3-GO) as a new type of redox nano-probe is reported. The Ag@Fe2O3-GO nanocomposite with tunable loading density… read more here.

Keywords: detection; electrochemical immunosensor; redox probe; immunosensor ... See more keywords

A new phosphothreonine lyase electrochemical immunosensor for detecting Salmonella based on horseradish peroxidase/GNPs-thionine/chitosan

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Published in 2017 at "Biomedical Microdevices"

DOI: 10.1007/s10544-017-0149-4

Abstract: In the current study, a novel double-layer gold nanoparticles- electrochemical immunosensor electrode (DGN-EIE) immobilized with Salmonella plasmid virulence C (SpvC) antibody was developed. To increase the fixed quantity of antibodies and electrochemical signal, an electrochemical… read more here.

Keywords: salmonella; electrochemical immunosensor; thionine chitosan; immunosensor ... See more keywords
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Sensitive competitive label-free electrochemical immunosensor for primal detection of ovarian cancer

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Published in 2020 at "Chemical Papers"

DOI: 10.1007/s11696-020-01100-w

Abstract: A simple, sensitive and one-step electrochemical technique was employed for the development of sandwich electrochemical immunosensor for the detection of CA 125 antigen. A unique three-dimensional gold nanostructure grown substrate is developed by electrodeposition technique… read more here.

Keywords: detection; sensitive competitive; electrochemical immunosensor; competitive label ... See more keywords
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A Fe3O4@Au-basedpseudo-homogeneous electrochemical immunosensor for AFP measurement using AFP antibody-GNPs-HRP as detection probe.

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Published in 2017 at "Analytical biochemistry"

DOI: 10.1016/j.ab.2017.07.015

Abstract: In this study, a Fe3O4@Au-based pseudo-homogeneous electrochemical immunosensor was prepared for detection of alpha fetoprotein (AFP), a well-known hepatocellular carcinoma biomarker. The primary antibody (Ab1) was immobilized on Fe3O4@Au NPs as the capture probe. Horseradish… read more here.

Keywords: detection; homogeneous electrochemical; electrochemical immunosensor; antibody ... See more keywords
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Ultrasensitive electrochemical immunosensor for alpha fetoprotein detection based on platinum nanoparticles anchored on cobalt oxide/graphene nanosheets for signal amplification.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.07.025

Abstract: An ultrasensitive sandwich-type electrochemical immunosensor was developed for quantitative monitoring of Alpha fetoprotein (AFP). To achieve this objective, an incorporated signal amplification strategy of platinum nanoparticles anchored on cobalt oxide/graphene nanosheets (Pt NPs/Co3O4/graphene) was proposed… read more here.

Keywords: platinum nanoparticles; electrochemical immunosensor; immunosensor; signal amplification ... See more keywords
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Ultrasensitive electrochemical immunosensor for avian leukosis virus detection based on a β-cyclodextrin-nanogold-ferrocene host-guest label for signal amplification.

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Published in 2019 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.02.041

Abstract: A novel sandwich-type electrochemical immunosensor was fabricated for the ultrasensitive detection of avian leukosis virus subgroup J (ALV-J). The immunosensor used a β-cyclodextrin-nanogold-ferrocene (β-CD-AuNP-Fc) host-guest complex as the label and a perylene-3,4,9,10-tetracarboxylic acid functional graphene… read more here.

Keywords: detection; ferrocene; leukosis virus; electrochemical immunosensor ... See more keywords
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Ultrasensitive microfluidic electrochemical immunosensor based on electrodeposited nanoporous gold for SOX-2 determination.

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Published in 2020 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2020.06.037

Abstract: An ultrasensitive and portable microfluidic electrochemical immunosensor for SOX-2 cancer biomarker determination was developed. The selectivity and sensitivity of the sensor were improved by modifying the microfluidic channel. This was accomplished through a physical-chemical treatment… read more here.

Keywords: electrochemical immunosensor; determination; gold; sox ... See more keywords
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An electrochemical immunosensor for sensitive detection of Escherichia coli O157:H7 by using chitosan, MWCNT, polypyrrole with gold nanoparticles hybrid sensing platform.

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Published in 2017 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.02.083

Abstract: An electrochemical immunosensor for the common food pathogen Escherichia coli O157:H7 was developed. This novel immunosensor based on the PPy/AuNP/MWCNT/Chi hybrid bionanocomposite modified pencil graphite electrode (PGE). This hybrid bionanocomposite platform was modified with anti-E.… read more here.

Keywords: detection; electrochemical immunosensor; coli o157; immunosensor ... See more keywords
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Electrochemical immunosensor based on an azo compound for thyroid-stimulating hormone detection

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Published in 2017 at "Microchemical Journal"

DOI: 10.1016/j.microc.2017.04.010

Abstract: An electrochemical immunosensor based on the electroactive azo compound (E)-5-[(4-dodecyloxyphenyl)diazenyl]isophtalic acid was developed for thyroid-stimulating hormone (TSH) detection. This organic molecule was employed as a multifunctional platform actuating simultaneously as redox probe and active site… read more here.

Keywords: thyroid stimulating; detection; electrochemical immunosensor; immunosensor based ... See more keywords