Results 241 to 250 of about 64,717 (306)

A Multi‐Analytical Approach for the Compositional Characterization and Chronological Discrimination of Benin (Nigeria) Metal Sculptures

Archaeometry, EarlyView.
ABSTRACT This study presents a multi‐analytical archaeometric approach for the compositional characterization and chronological discrimination of Benin metal sculptures in relation to the 1897 Punitive Expedition. The methodology integrates elemental composition (XRF and ICP), stable lead isotope ratios (MC‐ICP‐MS) for alloy system characterization ...
I. Torraba, D. A. Ahumada, H. Bagán, A. Tarancón, S. Eisenhofer, J. F. García   +5 more
wiley   +1 more source

Iron absorption and loss, and efficacy of iron supplementation with and without prebiotics in children with virally suppressed HIV: three prospective studies in South Africa. [PDF]

Nat Commun
Baumgartner J, Blaauw R, Mikulic N, Goosen C, Barnabas SL, Cotton MF, Zimmermann MB.   +6 more
europepmc   +1 more source

ISOMED - A Stable ISOtope database of MEDiterranean marine food web components. [PDF]

Sci Data
Berto D, Fanelli E, Vizzini S, Rampazzo F, Da Ros Z, Noventa S, Fortibuoni T, Antonini C, Cilluffo G, Signa G, Premici A, Bardelli R, Raicevich S.   +12 more
europepmc   +1 more source

Light Stable Isotope Ratios of US Pureed Baby Foods. [PDF]

Rapid Commun Mass Spectrom
Verostick KA, Randall A, Stantis C, Covarrubias S, Bowen GJ.   +4 more
europepmc   +1 more source

Tracking sources and transformations of dissolved sulfate in karstic sub-basins in Southwest China using dual isotopes and water chemistry. [PDF]

Sci Rep
Wang J, Zhou Z, Dong H, Ding S, Wang X, Zhang Y, Huang Y.   +6 more
europepmc   +1 more source

Research note: Compound-specific isotopic analysis in ³⁴S-labelled chicken tissues using high resolution gas chromatography/mass spectrometry. [PDF]

Poult Sci
Lalande J, Domergue JB, Mercier Y, Eugenio FA, Cantalapiedra-Hijar G, Tesseraud S, Tcherkez G.   +6 more
europepmc   +1 more source

Multicriteria site suitability for solar-powered green hydrogen production plants along the Northwestern coast of Egypt. [PDF]

Sci Rep
El-Aassar AM, Hagagg KH, Hussien RA.
europepmc   +1 more source

The Roman Military Community as a Melting Pot: Biomolecular Evidence from the Lower Rhine Limes

De Coster M, Furni F, Vos WK, Oosterbaan J, Davies GR, Kootker LM.   +5 more
europepmc   +1 more source

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Determination of Copper by Isotopic Dilution

Biological Trace Element Research, 1994
A rapid and selective method was used for the determination of copper by isotopic dilution employing substoichiometric extraction with dithizone in carbon tetrachloride. The appropriate pH range for the substoichiometric extraction was 2-7. In the analysis, even a large excess of elements forming extractable complexes with dithizone does not interfere.
E S, Faquim, C S, Munita
openaire   +2 more sources

Isotope dilution assay for biotin

Analytical Biochemistry, 1974
Abstract An isotope dilution assay for biotin, sensitive in the 1–10 ng range, is described.
K, Dakshinamurti, A D, Landman, L, Ramamurti, R J, Constable   +3 more
openaire   +2 more sources