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   Articles with "free photoelectrochemical" as a keyword



Interference-free photoelectrochemical immunoassays using carboxymethylated dextran-coated and gold-modified TiO2 nanotube arrays

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recommendations! Published in 2021 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-021-03442-0

Abstract: An interference-free photoelectrochemical (PEC) immunoassay was developed for cardiac troponin I (cTnI) detection. Covalent linkage of cTnI antibody to carboxymethylated (CM-) dextran pre-immobilized onto a gold nanoparticles (AuNPs)-modified TiO2 nanotube array (NTA) affords five consecutive… read more here.

Keywords: tio2 nanotube; carboxymethylated dextran; dextran; interference free ... See more keywords
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Ru(II) Bipyridyl Complex and TiO2 Nanocomposite Based Biomolecule-free Photoelectrochemical Sensor for Highly Selective Determination of Ultra-trace Hg2+ in Aqueous Systems

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recommendations! Published in 2019 at "Chemical Research in Chinese Universities"

DOI: 10.1007/s40242-019-8392-z

Abstract: A biomolecule-free photoelectrochemical(PEC) probe(denoted as Ru-1) was designed, synthesized and coupled with TiO2 nanoparticles(NPs) for the highly sensitive and selective PEC detection of Hg2+, a model analyte with hypertoxicity to both human health and ecosystem.… read more here.

Keywords: hg2; free photoelectrochemical; biomolecule free; tio2 ... See more keywords
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A simple label-free photoelectrochemical aptasensor for ultrasensitive detection of thrombin

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recommendations! Published in 2020 at "Microchemical Journal"

DOI: 10.1016/j.microc.2020.105452

Abstract: Abstract This work demonstrates a label-free photoelectrochemical (PEC) aptamer sensor based on poly(5-formylindole)/Au (P5FIn/Au) nanocomposites for the ultrasensitive determination of thrombin (TB). As a photosensitive material, P5FIn exhibits excellent photocurrent response under visible light irradiation,… read more here.

Keywords: detection; photoelectrochemical aptasensor; label free; simple label ... See more keywords
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An enzyme-free photoelectrochemical glucose sensor based on coupling BiVO4 with gold nanoparticles

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recommendations! Published in 2021 at "Materials Science in Semiconductor Processing"

DOI: 10.1016/j.mssp.2020.105632

Abstract: Abstract A cathodic photoelectrochemical glucose biosensor based on the Au nanoparticles (AuNPs) and BiVO4 modified indium tin oxide (ITO) photoelectrode was developed successfully. The prepared ITO/AuNPs/BiVO4 photoelectrode showed a large and stable cathodic photocurrent in… read more here.

Keywords: enzyme free; glucose; sensor based; glucose sensor ... See more keywords
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Label-free photoelectrochemical biosensor for alpha-fetoprotein detection based on Au/CsxWO3 heterogeneous films.

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recommendations! Published in 2021 at "Talanta"

DOI: 10.1016/j.talanta.2020.122074

Abstract: In this work, a novel label-free photoelectrochemical (PEC) biosensor based on Au/CsxWO3 heterogeneous films with low background noise and excellent sensitive detection of alpha-fetoprotein (AFP) was proposed. We prepared Au/CsxWO3 heterogeneous films by different methods… read more here.

Keywords: detection; biosensor; label free; heterogeneous films ... See more keywords