Molecules, 2021 The xanthine-derivatives 1,3,7-trimethylxanthine, 1,3-dimethyl-7-benzylxanthine and 1,3-dimethyl-7-(4-chlorobenzyl)xanthine are readily ethylated at N9 using the cheap alkylating agents ethyl tosylate or diethyl sulfate. The resulting xanthinium tosylate
Moloud Mokfi +3 more
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Citric acid wastewater as electron donor for biological sulfate reduction [PDF]
, 2009 Citrate-containing wastewater is used as electron donor for sulfate reduction in a biological treatment plant for the removal of sulfate. The pathway of citrate conversion coupled to sulfate reduction and the microorganisms involved were investigated ...
Stams, A.J.M. (author) +11 more
core +1 more source
Nicotine aqueous solutions: pH-measurements and salting-out effects - analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions [PDF]
Journal of the Serbian Chemical Society, 2014 This work is a continuation of our previous studies on the phase demixing - salting-out effects - in aqueous nicotine solutions. Thus, pH measurements were carried out allowing a brief analysis of the existing hydrogen bond interactions. Salting-
Grozdanić Nikola D. +4 more
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Ethyl Glucuronide and Ethyl Sulphate in Urine: Caution in their use as markers of recent alcohol use
, 2020 To clarify the role of the ethanol metabolites, ethyl glucuronide (EtG) and ethyl sulfate (EtS), in monitoring alcohol ...
Mercurio, Umberto +12 more
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ENZYMATIC PRODUCTION OF ETHYL OLEATE ESTER USING A LIPASE FROM CANDIDA ANTARCTICA B
Holos, 2012 Lipases are biocatalysts of great importance in different areas, being able to catalyze reactions in aqueous or organic media. Furthermore, these enzymes are capable of using several substrates being stable in a wide range of pH and temperatures. Lipases
N. Sampaio Neta +7 more
doaj +1 more source
Confounders of Serum Phosphatidylethanol: Role of Red Blood Cell Turnover and Cirrhosis
Hepatic Medicine: Evidence and Research, 2023 Marc Bartel,1,* Vanessa Hofmann,1,* Shijin Wang,2,3 Johannes Mueller,2 Tom R Sundermann,1 Sebastian Mueller2 1Institute of Forensic and Traffic Medicine, Heidelberg University Hospital, Heidelberg, Germany; 2Center for Alcohol Research ...
Bartel M +5 more
doaj
SYNTHESIS OF SOME NEW 2,4,6-TRISUBSTITUTEDTHIAZOLO-[5,4-d] PYRIMIDINE-5,7(4H,6H)-DIONES.
Zagazig Journal of Pharmaceutical Sciences, 1999 Reaction of 2,6-disubstitutedthiazolo5,4-dpyrimidin-7(6H)-ones 2 with ethyl chloroformate/ethanol mixture afforded 5-(ethoxycarbonylamino) -2-(substitutedthio) thiazole-4-(N-substituted)-carboxamides 4a-c.
Wahid Basyouni , Hanaa Hosni
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New method for synthesis of N-alkyl and N,N-dialkyl-O-ethyl and O-isopropylthiocarbamates by oxidation of ammonium salt of xhantogenic acid [PDF]
Hemijska Industrija, 2010 A synthesis of N-alkyl and N,N-dialkyl-O-ethyl and O-isopropyl thiocarbamates by oxidation of ammonium salt of ethyl and isopropylxanthogenic acid in a presence of sodium hypochlorite and hydrogen peroxide were performed.
Milisavljević Smiljka S. +2 more
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Fermentation, 2022 Although using non-Saccharomyces yeasts during alcoholic fermentation can improve the wine aroma, most of them are not ethanol tolerant; therefore, in 2017, this study screened 85 non-Saccharomyces yeasts isolated and identified from 24 vineyards in ...
Jie Gao +4 more
doaj +1 more source
Serum/Whole Blood Concentration Ratio for Ethylglucuronide and Ethyl Sulfate [PDF]
Journal of Analytical Toxicology, 2009 Serum/blood (S/B) concentration ratios for ethyl glucuronide (EtG) and ethyl sulfate (EtS) are missing from the literature, and the aim of this study was to determine these ratios in samples from patients at admission to an alcohol rehabilitation clinic.
HøSETH G. +6 more
openaire +3 more sources