Results 181 to 190 of about 9,719 (242)

Indole-3-acetic acid production is rare among gut bacteria and reflects OFOR-driven amino acid oxidation in acetogens. [PDF]

Gut Microbes
DeFeo ME, Liu Y, Zhou Z, Higginbottom SK, Dodd D.   +4 more
europepmc   +1 more source

Insights into early continental crust formation from the most ancient heart of Scotland. [PDF]

Nat Commun
Volante S, Torres-Mancinelli F, Kaempf J, Barrote V, Johnson T, Kirkland C, Scicchitano MR, Tavazzani L, Basak S, Bouvier AS, Dziggel A, Gerdes A.   +11 more
europepmc   +1 more source

Soil evaporation and plant water use strategy of riparian forests in extremely arid deserts, northwestern China: a stable isotope perspective. [PDF]

Front Plant Sci
Zhang Q, Feng Q, Su Y, Liu W, Zhu M, Xue Y.   +5 more
europepmc   +1 more source

A Low-Background, High-Flatness Mounting Method for In Situ SIMS Isotopic Analysis for Fine-Grained Samples. [PDF]

Anal Chem
Gao YB, Hao JL, Zhou Z, He HC, Tang GQ, Hu S, Yang W, Lin YT.   +7 more
europepmc   +1 more source

Near-infrared hyperspectral imaging combined with elemental and isotopic analyses reflects geographical origins of cultured salmonids. [PDF]

Curr Res Food Sci
Sun D, Li L, Han C, Zhou C, Li C, Ye H.
europepmc   +1 more source

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Hydrogen and oxygen isotope values in hydrogen peroxide

Rapid Communications in Mass Spectrometry, 2011
Hydrogen peroxide (H 2 O 2 ) is a widely used oxidizer with many commercial applications; unfortunately, it also has terrorist‐related uses. We analyzed 97 hydrogen peroxide solutions representing four grades purchased across the United States and in ...
Janet E, Barnette, Michael J, Lott, John D, Howa, David W, Podlesak, James R, Ehleringer   +4 more
openaire   +2 more sources

Oxygen and Hydrogen Isotope Composition of Silage Water

Journal of Agricultural and Food Chemistry, 2014
Silage is an important dietary water source that influences the oxygen and hydrogen isotopic composition of domestic herbivores and their products. Silage sampled fresh from the silo had (18)O- and (2)H-depleted tissue water when compared with fresh pasture grass sampled around midday during the silage-making seasons.
Luanzi, Sun, Karl, Auerswald, Rudi, Schäufele, Hans, Schnyder   +3 more
openaire   +2 more sources

Oxygen and Hydrogen Isotopic Ratios in Plant Cellulose

Science, 1977
The variations of the D/H and 18 O/ 16 O ratios of nonexchangeable hydrogen and oxygen in plant cellulose reveal systematic differences between aquatic and terrestrial plant groups. The slope of δD versus δ 18 O of cellulose from a variety of aquatic plants is close to
Epstein, Samuel, Thompson, Peter, Yapp, Crayton J.   +2 more
openaire   +3 more sources

Oxygen and hydrogen isotope geochemistry of zeolites

Geochimica et Cosmochimica Acta, 1990
Oxygen and hydrogen isotope ratios for natural samples of the zeolites analcime, chabazite, clinoptilolite, laumontite, mordenite, and natrolite have been obtained. The zeolite samples were classified into sedimentary, hydrothermal, and igneous groups. The ratios for each species of zeolite are reported.
Haraldur R Karlsson, Robert N Clayton
openaire   +1 more source

Oxygen and hydrogen isotope relations in the Berridale batholith

Journal of the Geological Society, 1977
Two contrasting types of Palaeozoic granitoids are of widespread occurrence in SE Australia and can generally be distinguished by their chemistry, mineralogy, field relations and initial strontium isotope ratios. Chappell & White (1974) have proposed that the granitoids are derived by partial melting of two ...
J. R. O’ NEIL, B. W. CHAPPELL
openaire   +1 more source