Exploring the enantiomeric 13C position-specific isotope fractionation: challenges and anisotropic NMR-based analytical strategy

Autor: Virginie Silvestre, P. Berdagué, Gérald S. Remaud, Philippe Lesot

Publikováno v: Analytical and Bioanalytical Chemistry
Analytical and Bioanalytical Chemistry, Springer Verlag, 2021, 413 (25), pp.6379-6392. ⟨10.1007/s00216-021-03599-8⟩

International audience; Trying to answer the intriguing and fundamental question related to chiral induction/amplification at the origin of homochirality in Nature: "Is there a relationship between enantiomeric and isotopic fractionation of carbon 13

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0902137f2ef30f76a4f7ed133a98732
https://hal.archives-ouvertes.fr/hal-03409628

Combination of13C and2HSNIF‐NMRisotopic fingerprints of vanillin to control its precursors

Autor: Serge Akoka, Mathilde Grand, Eric Jamin, Freddy Thomas, Sophie Guyader, Virginie Silvestre, Gérald S. Remaud

Publikováno v: Flavour and Fragrance Journal
Flavour and Fragrance Journal, 2019, 34 (2), pp.133-144. ⟨10.1002/ffj.3486⟩

Synthetic vanillin is the flavouring most used in agro-food industries, but more and more frequently consumers are now turning to natural origin. Vanilla planifolia (Andrews) is the most commercialized species of pods in the world and is mainly produ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a08be9275646c2aa739a702a163132a4
https://doi.org/10.1002/ffj.3486

Forensic application of position-specific isotopic analysis of trinitrotoluene (TNT) by NMR to determine 13C and 15N intramolecular isotopic profiles

Autor: Serge Akoka, Virginie Ladroue, Valentin Joubert, Evelyne Baguet, Paule Blondel, Virginie Silvestre, Fabrice Besacier, Gérald S. Remaud

Publikováno v: Talanta
Talanta, Elsevier, 2020, 213, pp.120819. ⟨10.1016/j.talanta.2020.120819⟩

2,4,6-trinitrotoluene (TNT) is a molecule which is easily identified with current instrumental techniques but it is generally impossible to distinguish between sources of the same substance (TNT). To overcome this difficulty, we present a multi stabl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9a9f9f649dea64b06f8c02c53f534b5
https://hal.archives-ouvertes.fr/hal-03416651

Full Spectrum Isotopic 13C NMR Using Polarization Transfer for Position-Specific Isotope Analysis

Autor: Virginie Silvestre, Mathilde Grand, Fabrice Besacier, Serge Akoka, Virginie Ladroue, Valentin Joubert, Denis Loquet, Gérald S. Remaud

Publikováno v: Analytical Chemistry. 90:8692-8699

For the last ten years, quantitative isotope ratio monitoring 13C NMR (irm-13C NMR) has been successfully tested and proven as an efficient tool for the determination of position-specific 13C/12C ratios. Several applications in different domains have

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d4ba7c50e126534b3887f54767a291e
https://doi.org/10.1021/acs.analchem.8b02139

Isotopomics by isotope ratio monitoring by

Autor: Valentin, Joubert, Matéo, Trébuchet, Mariana, Mikic, Virginie, Silvestre, Anne-Marie, Schiphorst, Denis, Loquet, Anaïs, Stemmelen, Virginie, Ladroue, Fabrice, Besacier, Serge, Akoka, Gérald S, Remaud

Publikováno v: Drug testing and analysisREFERENCES. 12(4)

In the battle against the illicit drugs market, methodologies have been developed by forensic laboratories to address the determination of the origin and dismantlement of the trafficking route for various target molecules such as heroin and cocaine.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ea0dc59aaf2f34bd8af76fec4325fb9d
https://pubmed.ncbi.nlm.nih.gov/31828934