Articles with "colorimetric dual" as a keyword



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Fluorescent and colorimetric dual-response sensor based on copper (II)-decorated graphitic carbon nitride nanosheets for detection of toxic organophosphorus.

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Published in 2021 at "Food chemistry"

DOI: 10.1016/j.foodchem.2020.128560

Abstract: An efficient and convenient detection method for organophosphorus pesticide (OP) residues is needed because of their high neurotoxicity and severe threat to food safety. OPs effectively reduce the production of thiocholine in the acetylcholinesterase/acetylthiocholine reaction… read more here.

Keywords: fluorescent colorimetric; colorimetric dual; response sensor; fluorescent ... See more keywords

Engineering an Enzymatic Cascade Catalytic Smartphone-Based Sensor for Onsite Visual Ratiometric Fluorescence-Colorimetric Dual-Mode Detection of Methyl Mercaptan.

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Published in 2023 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c07899

Abstract: Precise and reliable onsite detection of methyl mercaptan (CH3SH) is of great significance for environmental surveillance. Here, we synthesized a novel blue fluorescence nanozyme CeO2@TPE with high peroxidase-like activity by employing aggregation-induced emission (AIE) tetraphenylethene… read more here.

Keywords: ratiometric fluorescence; fluorescence colorimetric; colorimetric dual; fluorescence ... See more keywords
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A fluorometric and colorimetric dual-mode sensor based on nitrogen and iron co-doped graphene quantum dots for detection of ferric ions in biological fluids and cellular imaging

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Published in 2018 at "New Journal of Chemistry"

DOI: 10.1039/c8nj01805g

Abstract: N, Fe co-doped graphene quantum dots (N, Fe-GQDs) with excellent fluorescence performance were prepared by a simple one-pot hydrothermal method. During this process a dual doping strategy with chelated metal ions in combination with nitrogen… read more here.

Keywords: dual mode; graphene quantum; colorimetric dual; doped graphene ... See more keywords
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Ratiometric fluorescent and colorimetric dual-modal sensing strategy for discrimination and detection of D2O from H2O.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d2cc03530h

Abstract: A ratiometric fluorescent and colorimetric dual-modal sensing strategy is reported to distinguish and detect D2O from H2O based on ground-state proton transfer for the first time. It enables synchronous dual-modal changes towards different fractions of… read more here.

Keywords: dual modal; modal; d2o; fluorescent colorimetric ... See more keywords
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Fluorescent and Colorimetric Dual-Mode Strategy Based on Rhodamine 6G Hydrazide for Qualitative and Quantitative Detection of Hg2+ in Seafoods

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Published in 2023 at "Foods"

DOI: 10.3390/foods12051085

Abstract: In this study, a rapid fluorescent and colorimetric dual-mode detection strategy for Hg2+ in seafoods was developed based on the cyclic binding of the organic fluorescent dye rhodamine 6G hydrazide (R6GH) to Hg2+. The luminescence… read more here.

Keywords: detection; fluorescent colorimetric; strategy; colorimetric dual ... See more keywords