Search Results - "Chevallier, Olivier P"
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Untargeted metabolomic analysis of human plasma indicates differentially affected polyamine and L-arginine metabolism in mild cognitive impairment subjects converting to Alzheimer's disease
Published in PloS one (24-03-2015)“…This study combined high resolution mass spectrometry (HRMS), advanced chemometrics and pathway enrichment analysis to analyse the blood metabolome of patients…”
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Investigation of the Human Brain Metabolome to Identify Potential Markers for Early Diagnosis and Therapeutic Targets of Alzheimer’s Disease
Published in Analytical chemistry (Washington) (05-02-2013)“…A study combining high resolution mass spectrometry (liquid chromatography-quadrupole time-of-flight-mass spectrometry, UPLC-QTof-MS) and chemometrics for the…”
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Non-thermal Plasma Exposure Rapidly Attenuates Bacterial AHL-Dependent Quorum Sensing and Virulence
Published in Scientific reports (31-05-2016)“…The antimicrobial activity of atmospheric pressure non-thermal plasma has been exhaustively characterised, however elucidation of the interactions between…”
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Comparison of sample preparation methods, validation of an UPLC–MS/MS procedure for the quantification of tetrodotoxin present in marine gastropods and analysis of pufferfish
Published in Food chemistry (01-02-2013)“…► We extracted tetrodotoxin from Trumpet shells and pufferfish samples. ► ASE and a simple solvent extraction used as sample preparation techniques. ► Both…”
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DIVA metabolomics: Differentiating vaccination status following viral challenge using metabolomic profiles
Published in PloS one (05-04-2018)“…Bovine Respiratory Disease (BRD) is a major source of economic loss within the agricultural industry. Vaccination against BRD-associated viruses does not offer…”
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Metabolomic Profiling of In Vivo Plasma Responses to Dioxin-Associated Dietary Contaminant Exposure in Rats: Implications for Identification of Sources of Animal and Human Exposure
Published in Environmental science & technology (21-05-2013)“…Dioxin contamination of the food chain typically occurs when cocktails of combustion residues or polychlorinated biphenyl (PCB) containing oils become…”
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The Health Promoting Bioactivities of Lactuca sativa can be Enhanced by Genetic Modulation of Plant Secondary Metabolites
Published in Metabolites (12-05-2019)“…Plant secondary metabolites are protective dietary constituents and genes evidently increase the synthesis of these versatile phytochemicals. This study…”
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A comprehensive strategy to detect the fraudulent adulteration of herbs: The oregano approach
Published in Food chemistry (01-11-2016)“…•Two tier strategy proposed to detect oregano fraud.•FT-IR screening and HR-LC-MS confirmatory methods developed.•Unique biomarkers discovered in adulterants…”
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Identification of the Species of Origin for Meat Products by Rapid Evaporative Ionization Mass Spectrometry
Published in Journal of agricultural and food chemistry (15-06-2016)“…Increasingly abundant food fraud cases have brought food authenticity and safety into major focus. This study presents a fast and effective way to identify…”
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High-resolution mass spectrometry-based metabolomics for the discrimination between organic and conventional crops: A review
Published in Trends in food science & technology (01-04-2021)“…Global food regulations and consumer demands require that the provenance of food can be traced from farm to fork. Currently organic products are not routinely…”
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Simultaneous authentication of species identity and geographical origin of shrimps: Untargeted metabolomics to recurrent biomarker ions
Published in Journal of Chromatography A (16-08-2019)“…•Solving multiple seafood fraud issue by single untargeted metabolomics experiment.•Chemometrics models for predicting species and geographical origin of…”
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Rapid detection and specific identification of offals within minced beef samples utilising ambient mass spectrometry
Published in Scientific reports (18-04-2019)“…The morphological transformation of beef tissues after various processing treatments facilitates the addition of cheap offal products. Undetectable to the…”
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A real time metabolomic profiling approach to detecting fish fraud using rapid evaporative ionisation mass spectrometry
Published in Metabolomics (01-12-2017)“…Introduction Fish fraud detection is mainly carried out using a genomic profiling approach requiring long and complex sample preparations and assay running…”
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Untargeted metabolomic analysis of human serum samples associated with exposure levels of Persistent organic pollutants indicate important perturbations in Sphingolipids and Glycerophospholipids levels
Published in Chemosphere (Oxford) (01-02-2017)“…Persistent organic pollutants (POPs) are distributed globally and are associated with adverse health effects in humans. A study combining gas…”
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β-methylamino-L-alanine (BMAA) is not found in the brains of patients with confirmed Alzheimer’s disease
Published in Scientific reports (08-11-2016)“…Controversy surrounds the proposed hypothesis that exposure to β-methylamino-L-alanine (BMAA) could play a role in various neurodegenerative conditions…”
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Food Fingerprinting: Using a Two-Tiered approach to Monitor and Mitigate Food Fraud in Rice
Published in Journal of AOAC International (05-03-2021)“…Rice is an important staple food that is consumed around the world. Like many foods, the price of rice varies considerably, from very inexpensive for a…”
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Determination of the Mycotoxin Content in Distiller’s Dried Grain with Solubles Using a Multianalyte UHPLC–MS/MS Method
Published in Journal of agricultural and food chemistry (04-11-2015)“…There are more than 300 potential mycotoxins that can contaminate food and feed and cause adverse effects in humans and animals. The data on the co-occurrence…”
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Global metabolite profiles of rice brown planthopper-resistant traits reveal potential secondary metabolites for both constitutive and inducible defenses
Published in Metabolomics (01-12-2019)“…Introduction Brown planthopper (BPH) is a phloem feeding insect that causes annual disease outbreaks, called hopper burn in many countries throughout Asia,…”
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Untargeted metabolomic analysis of human serum samples associated with different levels of red meat consumption: A possible indicator of type 2 diabetes?
Published in Food chemistry (15-04-2017)“…•An intervention study was undertaken with a high/no red meat intake for six weeks.•High resolution mass spectrometry and chemometrics for biomarkers…”
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Hapten synthesis and antibody production for the development of a melamine immunoassay
Published in Analytica chimica acta (14-04-2010)“…The incorporation of melamine into food products is banned but its misuse has been widely reported in both animal feeds and food. The development of a rapid…”
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