Results 131 to 140 of about 116,875 (192)

When collagen fails: Zinc isotopes unlock Sumerian lifeways in southern Mesopotamia. [PDF]

Proc Natl Acad Sci U S A
Giaccari M, Romano L, Soncin S, Panella S, Alhaique F, D'Agostino F, Jaouen K, Tafuri MA.   +7 more
europepmc   +1 more source

Trophic Drivers of Organochlorine and PFAS Accumulation in Mediterranean Smooth-Hound Sharks: Insights from Stable Isotopes and Human Health Risk. [PDF]

Toxics
Minoia L, Consales G, Dallai L, Di Marcantonio E, Mazzetti M, Mancusi C, Pierro L, Riginella E, Sinopoli M, Bottaro M, Marsili L.   +10 more
europepmc   +1 more source

Not One Method to Rule Them All: A Comparative Study of Chromatographic Platforms (RP-LC-, HILIC-, SFC-, and IC-HRMS) for Water Analysis. [PDF]

Anal Chem
Zweigle J, Schlüsener M, Flottmann J, Bader T, Vidkjær NH, Bollmann UE, Christensen JH, Tisler S.   +7 more
europepmc   +1 more source

Integrated 13C-DNA Stable Isotope Probing and Metagenomics Approaches to Identify Bisphenol A Assimilating Microorganisms and Metabolic Pathways in Biofilms. [PDF]

Toxics
Wang D, Sun J, Zhang Y, Yuan L, Xu X, Xue Y, Sun H.   +6 more
europepmc   +1 more source

Barn swallows and purple martins convert precursors to long-chain polyunsaturated fatty acids: implications for conservation of riparian- vs inland-nesting habitats. [PDF]

Conserv Physiol
Génier CSV, Pilecky M, Kainz MJ, Guglielmo CG, Hobson KA.   +4 more
europepmc   +1 more source

Molecular sensory science elucidates the contribution of methyl ketones to the creamy aroma of <i>Monascus</i>-fermented cheese. [PDF]

Curr Res Food Sci
Wang Y, Wang Y, Meng T, Wang B, Wang Y.
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

Tracking Biotransformation of Hexachlorocyclohexane Isomers by Compound-Specific Isotope Analysis

, 2018
openaire   +2 more sources

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Compound specific isotope analysis of organophosphorus pesticides

Chemosphere, 2014
Compound-specific isotope analysis (CSIA) has been established as a tool to study the environmental fate of a wide range of contaminants. In this study, CSIA was developed to analyse the stable carbon isotope signatures of the widely used organophosphorus pesticides: dichlorvos, omethoate and dimethoate. The linearity of the GC-C-IRMS system was tested
Langping Wu, Jun Yao, Polonca Trebse, Ning Zhang, Hans H. Richnow   +4 more
openaire   +2 more sources

Condensed-Phase Carbon Isotopic Standards for Compound-Specific Isotope Analysis

Analytical Chemistry, 1994
A protocol has been developed for the preparation of isotopically characterized internal standards for compound-specific isotope analysis. Fatty acids and their corresponding methyl esters are loaded into flame seal vials by a protocol carefully designed to minimize isotopic fractionation and contamination.
R J, Caimi, L A, Houghton, J T, Brenna
openaire   +2 more sources