Results 21 to 30 of about 89,086 (264)

Validated UPLC-MS/MS methods to quantitate free and conjugated Alternaria toxins in commercially available tomato products and fruit and vegetable juices in Belgium [PDF]

open access: yes, 2016
Ultraperformance liquid chromatography tandem mass spectrometry and Quick, Easy, Cheap, Effective, Rugged, and Safe based analytical methodologies to quantitate both free (alternariol (1), alternariol monomethyl ether (2), tenuazonic acid (3), tentoxin ...
Asam, Stefan   +10 more
core   +3 more sources

Sulfur analysis of Bolu-Mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry [PDF]

open access: yes, 2005
Atmospheric pressure-temperature programmed reduction coupled with on-line mass spectrometry (AP-TPR/MS) is used for the first time on microbiologically treated coal samples as a technique to monitor the degree of desulfurization of the various sulfur ...
Bozdemir T.   +27 more
core   +1 more source

Growth of mixed K2NixCo(1−x)(SO4)2 · 6H2O crystals for large supercooling without spontaneous crystallization in solution

open access: yesMaterials Research Express, 2019
A scheme for growing mixed K _2 Ni _x Co _(1−x) (SO _4 ) _2  · 6H _2 O (KCNSH) single crystals under conditions of supercooling at 5 °C–10 °C without spontaneous crystallization in solution for more than a month has been proposed and implemented.
Andrei A Zhokhov   +7 more
doaj   +1 more source

Jarosite versus Soluble Iron-Sulfate Formation and Their Role in Acid Mine Drainage Formation at the Pan de Azúcar Mine Tailings (Zn-Pb-Ag), NW Argentina [PDF]

open access: yes, 2014
Secondary jarosite and water-soluble iron-sulfate minerals control the composition of acid mine waters formed by the oxidation of sulfide in tailings impoundments at the (Zn-Pb-Ag) Pan de Azúcar mine located in the Pozuelos Lagoon Basin (semi-arid ...
Alicia Kirschbaum   +5 more
core   +3 more sources

Growth of various strains of sulfate-reducing bacteria of human large intestine

open access: yesБіологічні студії, 2012
New strains of sulfate-reducing bacteria from human intestine are obtained. These bacteria are vibrio-like (strains SRB Vib-1, SRB Vib-2, SRB Vib-3) and short rod-like (strains SRB Rod-4 and SRB Rod-5) forms.
I. V. Kushkevych, O. M. Moroz
doaj   +1 more source

Investigation of the K-Mg-Ca Sulfate System as Part of Monitoring Problematic Phase Formations in Renewable-Energy Power Plants

open access: yesEnergies, 2020
Besides the widely applied hydropower, wind farms and solar energy, biomass and municipal and industrial waste are increasingly becoming important sources of renewable energy.
Fiseha Tesfaye   +3 more
doaj   +1 more source

Olive polyphenol effects in a mouse model of chronic ethanol addiction [PDF]

open access: yes, 2017
Objectives Alcohol addiction elicits oxidative imbalance and it is well known that polyphenols possess antioxidant properties. We investigated whether or not polyphenols could confer a protective potential against alcohol-induced oxidative stress ...
Bello, Cristiano   +7 more
core   +1 more source

In situ detection of boron by ChemCam on Mars [PDF]

open access: yes, 2017
We report the first in situ detection of boron on Mars. Boron has been detected in Gale crater at levels Curiosity rover ChemCam instrument in calcium-sulfate-filled fractures, which formed in a late-stage groundwater circulating mainly in phyllosilicate-
Anderson   +86 more
core   +6 more sources

Evidence for the role of proteoglycans in cation-mediated gene transfer [PDF]

open access: yes, 1996
We report evidence that gene complexes, consisting of polycations and plasmid DNA enter cells via binding to membrane-associated proteoglycans. Treatment of HeLa cells with sodium chlorate, a potent inhibitor of proteoglycan sulfation, reduced luciferase
Baldeschwieler, John D.   +1 more
core   +1 more source

Recombination Luminescence and Electron–Hole Trapping Centers in BaSO4-Bi Phosphor

open access: yesCrystals
This study of the BaSO4-Bi phosphor has revealed that the accumulated energy after external optical excitation exhibits specific characteristics. During irradiation with photon energy exceeding the bandgap, in addition to the intrinsic ultraviolet ...
Sapargali Pazylbek   +7 more
doaj   +1 more source

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