Articles with "ultrasensitive detection" as a keyword



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Ultrasensitive Detection of Biomarkers in a Color‐Switchable Microcavity‐Reactor Laser

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202202326

Abstract: Early detection and diagnosis are vitally important in reducing the mortality rate of fatal diseases but require highly sensitive detection of biomarkers. Presently, detection methods with the highest sensitivity require in vitro processing, while in… read more here.

Keywords: cavity; reactor; detection; color switchable ... See more keywords
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New Fluorescent Nanoparticles for Ultrasensitive Detection of Nucleic Acids by Optical Methods

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Published in 2017 at "ChemBioChem"

DOI: 10.1002/cbic.201700125

Abstract: For decades the detection of nucleic acids and their interactions at low abundances has been a challenging task that has thus far been solved by enzymatic target amplification. In this work we aimed at developing… read more here.

Keywords: detection; fluorescent nanoparticles; nucleic acids; ultrasensitive detection ... See more keywords
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A simple paper-based aptasensor for ultrasensitive detection of lead (II) ion.

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Published in 2019 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.04.049

Abstract: In this study, a simple paper-based aptasensor has been developed for the ultrasensitive detection of lead (Pb2+) ion within about 10 min. The aptasensor has been successfully designed by taking advantages of the Förster Resonance Energy… read more here.

Keywords: ultrasensitive detection; paper; simple paper; paper based ... See more keywords
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Nanoporous gold electrode for ultrasensitive detection of neurotoxin fasciculin.

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Published in 2019 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.07.067

Abstract: Acetylcholinesterase (AChE), an efficient biocatalyst known to hydrolyze the neurotransmitter acetylcholine, could be inactivated in the presence of insecticides, nerve agents or other drug inhibitors to thus result in disrupted neurotransmission. Improvement in the peripheral… read more here.

Keywords: gold electrode; nanoporous gold; ultrasensitive detection; detection ... See more keywords
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A review of optical methods for ultrasensitive detection and characterization of nanoparticles in liquid media with a focus on the wide field surface plasmon microscopy.

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Published in 2022 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2022.339633

Abstract: Development of nanotechnology and corresponding industries during the last decade resulted in a new challenge for analytical science. This includes an ultrasensitive detection and characterization of nanoparticles of different origin and other nanomaterials in various… read more here.

Keywords: ultrasensitive detection; microscopy; surface; detection characterization ... See more keywords
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Photochemical decoration of silver nanoparticles on silver vanadate nanorods as an efficient SERS probe for ultrasensitive detection of chloramphenicol residue in real samples.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.130115

Abstract: Aquaculture and farming industries have been seriously threatened by the illegal use of antibiotics as feed-additives to benefit the animal growth. Although various conventional chemical sensing approaches have been widely explored for the trace-level detection… read more here.

Keywords: ultrasensitive detection; silver nanoparticles; silver vanadate; vanadate nanorods ... See more keywords
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Echinus-like Cu–Mo2C/C yolk-shell composites for ultrasensitive detection of hydrogen peroxide

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Published in 2021 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2021.137908

Abstract: Abstract Nanomolar electrochemical detection of hydrogen peroxide has been recently looking forward owing to its extensive applications. Herein, Cu–Mo2C/C material was simply prepared by in-situ pyrolysis of new 3-D covalent bimetallic-organic framework [Cu(Mo2O7)L]n [L: N-(pyridin-3-ylmethyl)pyridine-2-amine]… read more here.

Keywords: ultrasensitive detection; detection hydrogen; echinus like; mo2c ... See more keywords
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Monitoring allergic reaction to penicillin based on ultrasensitive detection of penicilloyl protein using alkyne response SERS immunosensor.

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Published in 2021 at "Journal of pharmaceutical and biomedical analysis"

DOI: 10.1016/j.jpba.2021.114377

Abstract: The evaluation of true penicillin allergy is significant to reduce its occurrence and the overdiagnosis before anti-infective treatment. However, the currently available methods with high specificity still face the problem of low sensitivity, thereby easily… read more here.

Keywords: protein; sers immunosensor; penicillin; ultrasensitive detection ... See more keywords
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Silver ions enhanced AuNCs fluorescence as a turn-off nanoprobe for ultrasensitive detection of iodide.

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Published in 2018 at "Talanta"

DOI: 10.1016/j.talanta.2017.12.047

Abstract: Fluorescence nanoprobes are frequently employed to construct sensitive biosensors via turn-on and turn-off strategy. In this paper, a novel strategy for ultrasensitive detection of iodide was firstly constructed based on Ag+ regulated photoluminescence enhancement of… read more here.

Keywords: silver ions; detection iodide; detection; fluorescence ... See more keywords
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Ultrasensitive detection of thiophenol based on a water-soluble pyrenyl probe.

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Published in 2018 at "Talanta"

DOI: 10.1016/j.talanta.2018.03.068

Abstract: We report a simple pyrene-based fluorescent probe, sodium 8-(2,4-dinitrophenoxy)pyrene-1,3,6-trisulfonate (HPTS-DNP), for the ultrasensitive and visual detection of thiophenol in 100% aqueous media. The sensing mechanism of this method is based on nucleophilic aromatic substitution on… read more here.

Keywords: detection; detection thiophenol; probe; water ... See more keywords
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Ultrasensitive Detection of Bacteria Using a 2D MOF Nanozyme-Amplified Electrochemical Detector.

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Published in 2021 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c01261

Abstract: Bacterial infection is one of the major causes of human death worldwide. To prevent bacterial infectious diseases from spreading, it is of critical importance to develop convenient, ultrasensitive, and cost-efficient methods for bacteria detection. Here,… read more here.

Keywords: detection; mof nanozyme; detection bacteria; electrochemical detector ... See more keywords