Articles with "based gold" as a keyword



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Surface plasmon resonance-based gold-coated biosensor for the detection of fuel adulteration

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Published in 2019 at "Journal of Computational Electronics"

DOI: 10.1007/s10825-019-01434-z

Abstract: A novel surface plasmon resonance (SPR)-based gold-coated photonic crystal fiber (PCF) biosensor is proposed herein for the detection of oil adulteration. The overall performance is studied using full three-dimensional (3D) simulations based on the finite-difference… read more here.

Keywords: based gold; resonance; adulteration; surface plasmon ... See more keywords
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High sensitivity surface plasmon resonance biosensor for detection of microRNA based on gold nanoparticles-decorated molybdenum sulfide.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.09.015

Abstract: A high sensitive surface plasmon resonance (SPR) biosensor was proposed based on the gold nanoparticles-decorated molybdenum sulfide (AuNPs-MoS2) for the first time. This SPR platform using the AuNPs-MoS2 nanocomposites as signal labels for the sensitive… read more here.

Keywords: gold nanoparticles; based gold; biosensor; surface plasmon ... See more keywords
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Implantable Sensors Based on Gold Nanoparticles for Continuous Long-Term Concentration Monitoring in the Body.

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Published in 2021 at "Nano letters"

DOI: 10.1021/acs.nanolett.1c00887

Abstract: Implantable sensors continuously transmit information on vital values or biomarker concentrations in bodily fluids, enabling physicians to survey disease progression and monitor therapeutic success. However, currently available technologies still face difficulties with long-term operation and… read more here.

Keywords: implantable sensors; gold nanoparticles; based gold; long term ... See more keywords
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Homogeneous Quenching Immunoassay for Fumonisin B1 Based on Gold Nanoparticles and an Epitope-Mimicking Yellow Fluorescent Protein.

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Published in 2018 at "ACS nano"

DOI: 10.1021/acsnano.8b06094

Abstract: Homogeneous immunoassays represent an attractive alternative to traditional heterogeneous assays due to their simplicity, sensitivity, and speed. On the basis of a previously identified epitope-mimicking peptide, or mimotope, we developed a homogeneous fluorescence quenching immunoassay… read more here.

Keywords: epitope mimicking; fumonisin; yellow fluorescent; gold nanoparticles ... See more keywords
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Modeling of Nanoscale Electromagnets Based on Gold Finite Nanosolenoids

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Published in 2020 at "ACS Omega"

DOI: 10.1021/acsomega.0c00167

Abstract: Magnetic fields generated by the nanosolenoids based on the (5, 3) and (10,7) gold nanotubes (AuNTs) 12–600 Å long with numbers of Au atoms 20–2000 are calculated. The electron energy levels of the finite length… read more here.

Keywords: based gold; field; modeling nanoscale; electromagnets based ... See more keywords
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High-throughput and ultratrace naked-eye colorimetric detection of Au3+ based on the gold amalgam-stimulated peroxidase mimetic activity in aqueous solutions.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c7cc01347g

Abstract: Herein, we present a catalysis-based, label-free, and efficient strategy for a rapid, high-throughput, highly selective and ultrasensitive naked-eye colorimetric assay of Au3+ in aqueous solutions, based on the gold amalgam-stimulated peroxidase mimetic activity. read more here.

Keywords: naked eye; gold amalgam; based gold; aqueous solutions ... See more keywords
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Highly Selective Arsenite Sensor Based on Gold Nanoparticles and Ionic Liquids

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Published in 2023 at "Chemosensors"

DOI: 10.3390/chemosensors11050302

Abstract: Here, we report a highly selective arsenite (As(III)) sensor based on gold nanoparticles (AuNPs) and ionic liquids (ILs). AuNPs were citrate-capped with negative charges on their surfaces, and could aggregate and precipitate once electrolytes were… read more here.

Keywords: arsenite; based gold; sensor based; selective arsenite ... See more keywords
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A Rapid Immunochromatographic Method Based on Gold Nanoparticles for the Determination of Imidacloprid on Fruits and Vegetables

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Published in 2023 at "Foods"

DOI: 10.3390/foods12030512

Abstract: Imidacloprid (IMP) is toxic and a potential carcinogen that is most widely used as an insecticide for pest control and seed treatment. It is important to produce a rapid and sensitive assay for on-site monitoring.… read more here.

Keywords: method based; based gold; fruits vegetables; rapid immunochromatographic ... See more keywords
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Construction of Electrochemical Immunosensor Based on Gold-Nanoparticles/Carbon Nanotubes/Chitosan for Sensitive Determination of T-2 Toxin in Feed and Swine Meat

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Published in 2018 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms19123895

Abstract: T-2 toxin (T-2) is one of major concern mycotoxins acknowledged as an unavoidable contaminant in human foods, animal feeds and also agriculture products. Thus, a facile and sensitive method is essential for accurate T-2 toxin… read more here.

Keywords: gold nanoparticles; based gold; electrochemical immunosensor; immunosensor based ... See more keywords