Articles with "cyanide" as a keyword



Brønsted Acid Catalyzed Dehydroxylative Cyanation of Benzylic Alcohols with Trimethylsilyl Cyanide Using 1,1,1,3,3,3‐Hexafluoro‐2‐propanol as a Solvent

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Published in 2024 at "European Journal of Organic Chemistry"

DOI: 10.1002/ejoc.202400474

Abstract: A concise and direct cyanation of secondary and tertiary benzylic and allylic alcohols catalyzed by Brønsted acid has been developed using trimethylsilyl cyanide (TMSCN) as a cyanide source and 1,1,1,3,3,3‐hexafluoro‐2‐propanol (HFIP) as a solvent. The present… read more here.

Keywords: benzylic; cyanide; trimethylsilyl cyanide; cyanation ... See more keywords

Cyanotrophic and arsenic oxidizing activities of Pseudomonas mendocina P6115 isolated from mine tailings containing high cyanide concentration

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Published in 2018 at "Archives of Microbiology"

DOI: 10.1007/s00203-018-1514-2

Abstract: Mine tailings and wastewater generate man-made environments with several selective pressures, including the presence of heavy metals, arsenic and high cyanide concentrations, but severe nutritional limitations. Some oligotrophic and pioneer bacteria can colonise and grow… read more here.

Keywords: mendocina p6115; high cyanide; cyanide; pseudomonas mendocina ... See more keywords

Microbial (Enzymatic) Degradation of Cyanide to Produce Pterins as Cofactors

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Published in 2019 at "Current Microbiology"

DOI: 10.1007/s00284-019-01694-9

Abstract: Cyanide is one of the most poisonous substances in the environment, which may have originated from natural and anthropogenic sources. There are many enzymes produced by microorganisms which can degrade and utilize cyanide. The major… read more here.

Keywords: microbial enzymatic; degradation; degradation cyanide; enzymatic degradation ... See more keywords

Sol–gel synthesis of iron titanates for the photocatalytic degradation of cyanide

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Published in 2024 at "Journal of Materials Science"

DOI: 10.1007/s10853-024-09940-7

Abstract: Iron titanate mixed metal oxides were synthesized by the sol–gel method through four different routes. The effect of (i) the solvent of iron precursor, (ii) the addition of the chelating agent to the titanium or… read more here.

Keywords: spectroscopy; photocatalytic degradation; cyanide; iron ... See more keywords

Modifications of the respiratory chain of Bacillus licheniformis as an alkalophilic and cyanide-degrading microorganism

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Published in 2024 at "Journal of Bioenergetics and Biomembranes"

DOI: 10.1007/s10863-024-10041-y

Abstract: Bacillus licheniformis can use cyanide as a nitrogen source for its growth. However, it can also carry out aerobic respiration in the presence of this compound, a classic inhibitor of mammalian cytochrome c oxidase, indicating… read more here.

Keywords: cyanide; alkaline medium; respiratory chain; respiratory ... See more keywords
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Application of the anion-exchange resin as a complementary technique to remove residual cyanide complexes in industrial plating wastewater after conventional treatment

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-10162-y

Abstract: Cyanide is highly toxic and must be destroyed or removed before discharge into the environment. This study examined the ability of commercial anion-exchange resins to remove residual cyanide complexes from industrial plating wastewater as a… read more here.

Keywords: resin; remove residual; residual cyanide; plating wastewater ... See more keywords

Biodegradation of cyanide and evaluation of kinetic models by immobilized cells of Serratia marcescens strain AQ07

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Published in 2017 at "International Journal of Environmental Science and Technology"

DOI: 10.1007/s13762-017-1287-1

Abstract: Immobilized form of Serratia marcescens strain AQ07 was experimented for cyanide biodegradation. Cyanide degradation (200 ppm) was achieved after 24-h incubation. Three parameters were optimized which included gellan gum concentration, beads size, and number of beads.… read more here.

Keywords: biodegradation cyanide; biodegradation; marcescens strain; serratia marcescens ... See more keywords

Cyanide poisoning is a possible cause of cardiac arrest among fire victims, and empiric antidote treatment may improve outcomes☆,☆☆

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Published in 2018 at "American Journal of Emergency Medicine"

DOI: 10.1016/j.ajem.2018.01.054

Abstract: Background: Carbon monoxide and cyanide poisoning are important causes of death due to fire. Carbon monoxide is more regularly assessed than cyanide at the site of burn or smoke inhalation treatment due to its ease… read more here.

Keywords: fire victims; treatment; cardiac arrest; cyanide poisoning ... See more keywords

Rationally designed molecules for resurgence of cyanide mitigated cytochrome c oxidase activity.

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Published in 2019 at "Bioorganic chemistry"

DOI: 10.1016/j.bioorg.2018.10.045

Abstract: Cytochrome c oxidase (CcOX) containing binuclear heme a3-Cu B centre (BNC) mechanises the process of electron transfer in the last phase of cellular respiration. The molecular modelling based structural analysis of CcOX - heme a3-Cu… read more here.

Keywords: cytochrome oxidase; compound; rationally designed; cyanide ... See more keywords

Investigating the aerated VUV/PS process simultaneously generating hydroxyl and sulfate radicals for the oxidation of cyanide in aqueous solution and industrial wastewater

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.05.178

Abstract: Abstract The present study was designed to investigate the cyanide oxidation by the aerated VUV/ S 2 O 8 2 - (VUV/PS) advanced process. The effect of persulfate concentration, cyanide concentration, aeration and nitrogen gas… read more here.

Keywords: vuv process; oxidation; aerated vuv; process ... See more keywords

A DFT study on the speciation of aqueous gold and copper cyanide complexes

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Published in 2018 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2017.12.004

Abstract: Abstract The speciation of copper and gold cyanide complexes was investigated using Density Functional Theory (DFT) in order to understand the behaviour of these complexes in aqueous solutions. To represent the local environment, two methods… read more here.

Keywords: chemistry; copper; copper cyanide; cyanide complexes ... See more keywords