Articles with "nitrite nitrate" as a keyword



Creating Moderate Local Reaction Environment on Nanoporous Cu2O for Electrocatalytic Ammonia Oxidation to Nitrite and Nitrate

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202508286

Abstract: Electrochemical ammonia oxidation reaction (AOR) presents a promising strategy for sustainable nitrite and nitrate (NOx−) production. Conventional noble metal‐based AOR catalysts often yield undesired dinitrogen and suffer from AOR intermediates poisoning. Herein, nanoporous Cu2O (np–Cu2O)… read more here.

Keywords: reaction; cu2o; nitrite nitrate; nanoporous cu2o ... See more keywords

Long-term dietary nitrite and nitrate deficiency causes the metabolic syndrome, endothelial dysfunction and cardiovascular death in mice

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Published in 2017 at "Diabetologia"

DOI: 10.1007/s00125-017-4259-6

Abstract: Aims/hypothesisNitric oxide (NO) is synthesised not only from l-arginine by NO synthases (NOSs), but also from its inert metabolites, nitrite and nitrate. Green leafy vegetables are abundant in nitrate, but whether or not a deficiency… read more here.

Keywords: dietary nitrite; nitrate; metabolic syndrome; nitrite nitrate ... See more keywords

Development of a New Methodology for Indirect Determination of Nitrite, Nitrate, and Total Nitrite in the Selected Two Groups of Foods by Spectrophotometry

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Published in 2017 at "Food Analytical Methods"

DOI: 10.1007/s12161-016-0789-7

Abstract: AbstractA new indirect preconcentration procedure was developed for micellar sensitive detection of trace nitrite as analyte by spectrophotometry. The method is based on ion association of triiodide ion, I3− or I2, produced by the reaction… read more here.

Keywords: methodology; indirect determination; ion; nitrite nitrate ... See more keywords

Determination of nitrite and nitrate in postmortem whole blood samples of 10 sodium nitrite poisoning cases: The importance of nitrate in determining nitrite poisoning.

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Published in 2022 at "Forensic science international"

DOI: 10.1016/j.forsciint.2022.111279

Abstract: Sodium nitrite (NaNO2), a widely used food preservative, has become a popular agent in South Korea for use in committing suicide since the mid-2010s because of its easy access. After ingesting sodium nitrite, nitrite ions… read more here.

Keywords: blood samples; nitrite poisoning; sodium nitrite; nitrite nitrate ... See more keywords

Composite of Cu metal nanoparticles-multiwall carbon nanotubes-reduced graphene oxide as a novel and high performance platform of the electrochemical sensor for simultaneous determination of nitrite and nitrate.

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Published in 2017 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2016.11.055

Abstract: In the present research, we aimed to fabricate a novel electrochemical sensor based on Cu metal nanoparticles on the multiwall carbon nanotubes-reduced graphene oxide nanosheets (Cu/MWCNT/RGO) for individual and simultaneous determination of nitrite and nitrate… read more here.

Keywords: carbon; metal nanoparticles; microscopy; nitrite nitrate ... See more keywords
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Inorganic nitrite and nitrate in cardiovascular therapy: A better alternative to organic nitrates as nitric oxide donors?

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Published in 2018 at "Vascular pharmacology"

DOI: 10.1016/j.vph.2017.11.003

Abstract: In 1867 the organic nitrite, amyl nitrite, was introduced as a therapeutic agent in the treatment of angina pectoris and was later substituted by the organic nitrate nitroglycerin (NTG). Despite having a highly potent vasodilator… read more here.

Keywords: cardiovascular therapy; inorganic nitrite; nitrate; nitrite nitrate ... See more keywords

High-level nitrogen removal by simultaneous partial nitritation, anammox and nitrite/nitrate-dependent anaerobic methane oxidation.

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Published in 2019 at "Water research"

DOI: 10.1016/j.watres.2019.115057

Abstract: While the anaerobic ammonium oxidation (anammox) process has been applied for nitrogen removal from high-strength wastewater, nitrate accumulation in effluent still represents a major concern. Here, a novel process, named the one-stage PNAM, that integrates… read more here.

Keywords: oxidation; nitrogen removal; methane; partial nitritation ... See more keywords

Graphitic Carbon Nitride Supported Ultrafine Pd and Pd-Cu Catalysts: Enhanced Reactivity, Selectivity, and Longevity for Nitrite and Nitrate Hydrogenation.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b09192

Abstract: Novel Pd-based catalysts (i.e., Pd and Pd-Cu) supported on graphitic carbon nitride (g-C3N4) were prepared for nitrite and nitrate hydrogenation. The catalysts prepared by ethylene glycol reduction exhibited ultrafine Pd and Pd-Cu nanoparticles (∼2 nm),… read more here.

Keywords: nitrite nitrate; graphitic carbon; carbon nitride; nitrate hydrogenation ... See more keywords

The Promotion of Nitrite and Nitrate Conversion into Ammonia by Improving *H Utilization via the Construction of Dual Active Centers

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Published in 2025 at "Journal of Materials Chemistry A"

DOI: 10.1039/d5ta01988e

Abstract: Although the research on electrochemical reduction of nitrite and nitrate to ammonia (NO3RR/NO2RR) catalysts has made significant progress, the process of economical and sustainable neutral electrolytes is still scarce. The... read more here.

Keywords: conversion ammonia; promotion nitrite; nitrite nitrate; nitrate conversion ... See more keywords

The influence of storage condition on nitrite, nitrate and vitamin C levels in vegetables

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Published in 2018 at "F1000Research"

DOI: 10.12688/f1000research.16853.1

Abstract: Vegetables are the main sources of nitrate and nitrite in food. The presence of nitrate and nitrite at a high level may cause a negative impact on health, because nitrite and nitrate when reduced to… read more here.

Keywords: spinach; storage; mustard bokchoy; nitrate ... See more keywords

Availability of Nitrite and Nitrate as Electron Acceptors Modulates Anaerobic Toluene-Degrading Communities in Aquifer Sediments

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Published in 2020 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2020.01867

Abstract: Microorganisms are essential in the degradation of environmental pollutants. Aromatic hydrocarbons, e.g., benzene, toluene, ethylbenzene, and xylene (BTEX), are common aquifer contaminants, whose degradation in situ is often limited by the availability of electron acceptors.… read more here.

Keywords: availability; toluene; electron acceptors; nitrite nitrate ... See more keywords