Results 231 to 240 of about 22,354,229 (295)

Trophic niche of invasive murid rodents in urban and peri-urban areas in South Africa: insights from stable isotope analysis. [PDF]

BMC Zool
Ringani GV, Chimimba CT, Pirk CWW, Zengeya TA.   +3 more
europepmc   +1 more source

A Bayesian model for assessing organic matter supply in complex marine food webs using amino acid stable isotope analysis. [PDF]

PeerJ
Shea CHH, Drazen JC, Popp BN.
europepmc   +1 more source

Trophic dynamics and metabolic pathways in host parasite interactions revealed by nitrogen isotope analysis of amino acids in multiple tissues. [PDF]

Sci Rep
Khaliq S, Nachev M, Riekenberg PM, Jochmann MA, Vosough M, Franke F, Scharsack JP, Kurtz J, Sures B, van der Meer MTJ, Schmidt TC.   +10 more
europepmc   +1 more source

Testing Assumptions for Stable Isotope Analysis of Marine Mammal Dentin Growth Layer Groups. [PDF]

Rapid Commun Mass Spectrom
Bowen KR, Kurle CM.
europepmc   +1 more source

Diverse feasting networks at the end of the Bronze Age in Britain (c. 900-500 BCE) evidenced by multi-isotope analysis. [PDF]

iScience
Esposito C, Lamb AL, Andersen MB, Millet MA, Inglis E, Lugli F, Nederbragt AJ, Madgwick R.   +7 more
europepmc   +1 more source

Multi-isotope analysis.

, 2007
Jay, M., Grimes, V., Montgomery, J., Lakin, K., Evans, J.   +4 more
openaire   +1 more source

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Isotopic catalysis and isotopic analysis

Russian Journal of Physical Chemistry B, 2013
Isotopes with magnetic nuclei accelerate the biochemical reactions of adenosine triphosphate synthesis by a factor of two to three. An isotope effect in which isotopes are preserved in the reaction system is known as isotopic catalysis. It has been revealed in enzymatic reactions catalyzed by magnesium, zinc, and calcium ions.
S. E. Arkhangel’skii, Yu. A. Karpov, G. G. Glavin, D. A. Kuznetsov, A. L. Buchachenko   +4 more
openaire   +1 more source

ISOTOPE ANALYSIS

2016
Lithogenic isotopes of strontium (Sr), neodymium (Nd), and lead (Pb) are a powerful tool for the study of the composition and origin of pre-historic ceramics and their raw materials. Despite their use in classical geochronology and isotope-geochemical provenance studies of rocks and minerals, Sr, Nd, and Pb isotope ratios have so far scarcely been used
DRENZEK NICHOLAS, TAYLOR KYLE, PANETTA ROBERT   +2 more
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Isotopic analysis of oxygen in water

The International Journal of Applied Radiation and Isotopes, 1958
Abstract A semimicro method for the oxidation of water to oxygen for mass spectrometry has been developed. Water samples of 25–100 mg are oxidized by bromine in alkaline solution in presence of cobaltic oxide. Paзpaбoтaн пoлyмикpoмeтoдoкиcл eния вoды дo киcлopoдa для мacc-cпeктpoмeтpии Пpoбы вoды в 25–100 мг oкиcляютcя щeлo чным pacтвopoм бpoмa в ...
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Isotope dilution analysis for speciation

Analytical and Bioanalytical Chemistry, 2003
The advantages of isotope dilution analysis for speciation in the metal species are described. The species-unspecific mode of different species provides accurate and precise determination of the element, because the quantification parameter is an isotope ratio, in spite of an absoluted intensity.
openaire   +2 more sources