Results 21 to 30 of about 1,472,047 (314)

Three-dimensional solvation structure of ethanol on carbonate minerals

open access: yesBeilstein Journal of Nanotechnology, 2020
Calcite and magnesite are important mineral constituents of the earth’s crust. In aqueous environments, these carbonates typically expose their most stable cleavage plane, the (10.4) surface.
Hagen Söngen   +10 more
doaj   +1 more source

Mango seed kernel oil extraction with ethanol: Optimization of oil yield and polyphenol [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2021
Mango seed kernel oil (MSKO) contains a high concentration of polyphenol and has potential as raw material of oil-based food products and as a natural antioxidant of functional food.
Mas’ud Fajriyati   +4 more
doaj   +1 more source

Lessons learned from a case study on teaching the socioscientific issue of ethanol, used as an ingredient of sanitizers, to promote students’ learning of and about chemistry during the COVID-19 pandemic

open access: yesChemistry Teacher International, 2023
During the COVID-19 pandemic, the unexpected lockdown of schools brought many challenges to redesigning the teaching and learning of chemistry at the secondary schooling level.
Ambrogi Paola, Eilks Ingo
doaj   +1 more source

IMPACT OF ETHANOL, METHANOL AND SULFIDES ON THE NITRIFICATION PROCESS OF AMMONIUM IONS IN NATURAL WATERS [PDF]

open access: yesPresent Environment and Sustainable Development, 2020
This paper includes the results of laboratory modeling of ethyl and methyl alcohol and sulfide ions impact on the biochemical process of ammonium ions nitrification in water from the Dniester River, Palanca village, Stefan Voda district (august 2019). An
SANDU Maria   +4 more
doaj   +1 more source

UFR2709, a Nicotinic Acetylcholine Receptor Antagonist, Decreases Ethanol Intake in Alcohol-Preferring Rats

open access: yesFrontiers in Pharmacology, 2019
Brain nicotinic acetylcholine receptors (nAChRs), a heterogeneous family of pentameric acetylcholine-gated cation channels, have been suggested as molecular targets for the treatment of alcohol abuse and dependence.
Gabriel Quiroz   +12 more
doaj   +1 more source

Uso de amêndoas de baru (Dypterix alata) para remoção de Ni(ii) em etanol combustível

open access: yesQuímica Nova, 2011
The present work describes the sorption potential of Dypterix alata (baru) for removal of Ni(II) in hydrous ethanol. Infrared spectroscopy was used for elucidating possible functional groups responsible for uptaking Ni(II).
Rafael Mosquetta   +4 more
doaj   +1 more source

Etude de la lyse de Leuconostoc oenos

open access: yesOENO One, 1990
La lyse de Leuconostoc oenos a été étudiée en suspension dans l'eau et dans une solution synthétique (pH 3,5; alcool 11 % v/v, acide tartrique 4 g/l). Elle a été mesurée par deux méthodes basées sur la libération de constituants cellulaires (mesure à 210
Sandrine Garbay, Aline Lonvaud-Funel
doaj   +1 more source

The Effect of Ethanol on Telomere Dynamics and Regulation in Human Cells

open access: yesCells, 2018
Telomeres (TLs) protect chromosome ends from chromosomal fusion and degradation, thus conferring genomic stability, and play crucial roles in cellular aging and disease.
Tomer Harpaz   +6 more
doaj   +1 more source

Development of a Scale-up Tool for Pervaporation Processes

open access: yesMembranes, 2018
In this study, an engineering tool for the design and optimization of pervaporation processes is developed based on physico-chemical modelling coupled with laboratory/mini-plant experiments.
Holger Thiess   +2 more
doaj   +1 more source

Efficacy of Disinfection of Rigid Endoscope by Ethyl Alcohol 70%

open access: yesInternational Archives of Otorhinolaryngology, 2022
Introduction Currently, there is no safe, affordable, and ecologically-sustainable guideline that helps prevent contamination through endoscopy. We evaluated the safety of intermediate-level disinfection with 70% ethyl alcohol (w/v) based on biological ...
Marco Cesar J. Santos   +3 more
doaj   +1 more source

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