Results 11 to 20 of about 19,638 (264)

Hydrogen isotopes in individual amino acids reflect differentiated pools of hydrogen from food and water in Escherichia coli [PDF]

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2016
Marilyn Fogel, Seth Newsome
exaly   +2 more sources

Nanocatalyzed Hydrogen Isotope Exchange

open access: yesAccounts of Chemical Research, 2021
Recently, hydrogen isotope exchange (HIE) reactions have experienced impressive development due to the growing importance of isotope containing compounds in various fields including materials and life sciences, in addition to their classical use for mechanistic studies in chemistry and biology.
Lepron, Marco   +5 more
openaire   +4 more sources

Annual variation in hydrogen and oxygen isotopes of river water in the Huashan watershed and sampling scheme optimization

open access: yesShui kexue jinzhan, 2023
The investigation on river water isotope characteristics of small watersheds and the sampling scheme are of great significance for a better understanding of the precipitation-runoff relationship, and for the establishment of an isotope hydrological ...
Aimin LIAO   +6 more
doaj   +1 more source

Deuterium permeation through the low-activated V–4Cr–4Ti alloy under plasma irradiation

open access: yesNuclear Materials and Energy, 2020
Vanadium-based alloys are considered as candidate structural materials for nuclear fusion and fast nuclear reactors. Some properties of vanadium alloys are especially advantageous for nuclear fusion facilities, namely, a fast decay of induced activity ...
D.I. Cherkez   +3 more
doaj   +1 more source

Adsorption separation of heavier isotope gases in subnanometer carbon pores

open access: yesNature Communications, 2021
Separation of isotopes of heavier gases than hydrogen or helium is essential for biomedical applications, but current methods are very energy and time consuming.
Sanjeev Kumar Ujjain   +15 more
doaj   +1 more source

Redistribution of hydrogen and oxygen isotopes in groundwater flow systems: From altitude effect to depth effect

open access: yesShuiwen dizhi gongcheng dizhi, 2023
The hydrogen and oxygen isotopes in precipitation have the altitude effect, and they participate in the groundwater circulation after the infiltration of precipitation.
Pengfei HAN   +3 more
doaj   +1 more source

Recent Advances and Prospects in Design of Hydrogen Permeation Barrier Materials for Energy Applications—A Review

open access: yesMolecules, 2022
The hydrogen infrastructure involves hydrogen production, storage and delivery for utilization with clean energy applications. Hydrogen ingress into structural materials can be detrimental due to corrosion and embrittlement.
Ewa C. E. Rönnebro   +2 more
doaj   +1 more source

Phases of the hydrogen isotopes under pressure: metallic hydrogen

open access: yesAdvances in Physics: X, 2021
Hydrogen is the simplest molecule in nature. One of the key problems and challenges in condensed matter physics is to understand the phases, properties, and structure of hydrogen as a function of pressure and temperature.
Isaac F. Silvera, Ranga Dias
doaj   +1 more source

Affecting factors and application of the stable hydrogen isotopes of alkane gases

open access: yesPetroleum Exploration and Development, 2019
To study the composition, affecting factors of the stable hydrogen isotopes of alkane gases and their application to identification of the natural gas origin and maturities, the chemical and isotopic compositions of 118 gas samples of Carboniferous ...
Shipeng HUANG   +10 more
doaj   +1 more source

Isotopic Fingerprinting: A Promising Tool for Coffee Authenticity Checks

open access: yesProceedings, 2023
Almost every physical or chemical process in nature favors certain light stable isotopes over others, and thereby leaves an isotopic “fingerprint” on the substances involved.
Johannes Wintel   +4 more
doaj   +1 more source

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