Articles with "sulfite" as a keyword



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A distinctive near-infrared fluorescence turn-on probe for rapid, sensitive and chromogenic detection of sulfite in food

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2018.10.057

Abstract: Abstract Sodium sulfite (Na2SO3) is widely used as a food additive, but the excessive residue of SO32− in food can cause irritative effects and damages to the human body. In this study, we reported a… read more here.

Keywords: near infrared; sulfite; food; probe ... See more keywords

Optimization of the electrooxidation of aqueous ammonium sulfite for hydrogen production at near-neutral pH using response surface methodology

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.08.213

Abstract: Abstract Sulfur-based thermochemical cycles, such as the hybrid sulfur-ammonia (HySA) cycle, offer a valuable approach in which hydrogen is produced by exploiting sulfur dioxide (potentially pollutant emissions) through the electrochemical oxidation of aqueous sulfite. In… read more here.

Keywords: electrooxidation; sulfite; methodology; hydrogen ... See more keywords
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Three-Dimensional Sulfite Oxidase Bioanodes Based on Graphene Functionalized Carbon Paper for Sulfite/O2 Biofuel Cells

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Published in 2019 at "ACS Catalysis"

DOI: 10.1021/acscatal.9b01715

Abstract: We have developed a three-dimensional (3D) graphene electrode suitable for the immobilization of human sulfite oxidase (hSO), which catalyzes the electrochemical oxidation of sulfite via direct electron transfer (DET). The electrode is fabricated by drop-casting… read more here.

Keywords: sulfite; dimensional sulfite; three dimensional; hso ... See more keywords
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Comparative sulfite assay by voltammetry using Pt electrodes, photometry and titrimetry: Application to cider, vinegar and sugar analysis

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Published in 2018 at "Open Chemistry"

DOI: 10.1515/chem-2018-0139

Abstract: Abstract Sulfite is a widely applied preservation agent, against oxidative decay in foodstuffs and beverages. Among the analytical methods applied, electrochemical techniques exploit its facility to undergo oxidation. This paper aims at the comparative investigation… read more here.

Keywords: sulfite; sulfite assay; sugar; cider ... See more keywords