Results 11 to 20 of about 1,218,797 (156)

Volatile Organic Compounds Frequently Identified after Hyperbaric Hyperoxic Exposure: The VAPOR Library

open access: yesMetabolites, 2022
Diving or hyperbaric oxygen therapy with increased partial pressures of oxygen (pO2) can have adverse effects such as central nervous system oxygen toxicity or pulmonary oxygen toxicity (POT).
Feiko J. M. de Jong   +4 more
doaj   +1 more source

The Role of Surface in Hydride Formation Processes

open access: yesEast European Journal of Physics, 2023
Several LaNi5-based hydrogen storage alloys were studied using secondary ion mass spectrometry (SIMS) technique. Ar+ ions with the energy of 10 - 18 keV were used as primary ions.
Viktor O. Litvinov   +3 more
doaj   +1 more source

EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES [PDF]

open access: yes, 2016
Indexación: Web of Science; Scielo.The antioxidant capacity has been determined for a number of flavonoid compounds from Heliotropium sinuatum, a plant that grows in arid areas in the north of Chile.
Barriga-Gonzalez, G   +4 more
core   +1 more source

Microtiter Screening Reveals Oxygen-Dependent Antimicrobial Activity of Natural Products Against Mastitis-Causing Bacteria

open access: yesFrontiers in Microbiology, 2019
In this study we investigated the influence of oxygen availability on a phenotypic microtiter screen to identify new, natural product inhibitors of growth for the bovine mastitis-causing microorganisms; Streptococcus uberis, Staphylococcus aureus, and ...
Scott A. Ferguson   +10 more
doaj   +1 more source

Analysis and multi-dimensional modeling of lithium-air batteries [PDF]

open access: yes, 2014
This study contributes to: 1) a multi-dimensional model framework of lithium-air (Li-air) battery, 2) incorporation of mechanisms of insoluble precipitates' impacts, and 3) analysis and discussion on oxygen supply channel for Li-air battery.
Cho, SC, Wang, Y
core   +1 more source

Thermal Transformation of Carbon and Oxygen-Containing Organic Compounds in Sewage Sludge During Pyrolysis Treatment

open access: yesEnergies, 2019
Organic carbon (C) and oxygen (O) contained in sewage sludge strongly impact its thermal behavior during pyrolysis treatment. This study was aimed at getting an insight into the decomposition mechanism of organic compounds containing C and O during ...
Yanjun Hu   +6 more
doaj   +1 more source

Composition and thickness of surface layer on molybdenum tips for scanning tunnelling microscopy (STM) studied by SEM/AES/(AR)XPS [PDF]

open access: yes, 1992
A combination of SEM, AES and angle-resolved XPS (ARXPS) has been applied to analyse the distribution of chemical compounds in the surface region of electrochemically etched molybdenum tips and to determine the contamination layer thickness.
Hanekamp, L.J.   +4 more
core   +3 more sources

Oxygen as a Possible Technological Adjuvant during the Crushing or the Malaxation Steps, or Both, for the Modulation of the Characteristics of Extra Virgin Olive Oil

open access: yesFoods, 2023
In commercial terms, Extra Virgin Olive Oil (EVOO) is considered an exceptional food with excellent sensory and nutritional quality due to its taste, odor, and bioactive compounds; as such, it is of great health interest.
Gabriel Beltrán Maza   +4 more
doaj   +1 more source

Catalytic Liquid-Phase Oxidation of Phenolic Compounds Using Ceria-Zirconia Based Catalysts

open access: yesFrontiers in Chemistry, 2018
Catalytic liquid-phase oxidation using a catalyst and oxygen gas (Catalytic wet air oxidation, CWAO) is one of the most promising technology to remove hazardous organic compounds in wastewater.
Naoyoshi Nunotani   +3 more
doaj   +1 more source

Synthesis of fluorinated organic compounds using oxygen difluoride [PDF]

open access: yes, 1971
Oxygen difluoride synthesis is a much simpler, higher-yield procedure than reactions originally followed to synthesize various fluorinated organic compounds.
Toy, M. S.
core   +1 more source

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