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DBD in burst mode: solution for more efficient CO2 conversion?
International audience CO2 conversion into value-added products has gained significant interest over the few last years, as the greenhouse gas concentrations constantly increase due to anthropogenic activities. Here we report on experiments for CO2 conversion by means of a cold atmospheric plasma us...
French lacquers of the 18th century and vernis Martin
International audience The Martin family created a taste for Parisian lacquers , painted and varnished objects. The purpose of the work presented here was to gather new data on the construction materials, and to detail the varnishing and painting techniques used on these types of objects during the...
Validation of the inorganic selenium speciation by the HG-QFAAS method using experimental designs
cited By 6 International audience An optimization of the hydride generation quartz furnace atomic absorption spectrometry (HG-QFAAS) method used for selenium speciation was performed for inorganic Se determination. Experimental designs at two levels, including five factors, were used. They allowed t...
Biodegradability Improvement of Sulfamethazine Solutions by Means of an electro-Fenton Process
International audience The main objective of this study was to examine the effect of an electro-Fenton pretreatment on the biodegradability of sulfamethazine-polluted solutions. The aim of the pretreatment was only to degrade this molecule in order to increase the biodegradability of the effluent an...
Rapid determination of organotin compounds by headspace solid-phase microextraction
cited By 70 International audience Headspace solid-phase microextraction (SPME) followed by gas chromatography (GC) coupled to pulsed flame photometric detection have been investigated for the simultaneous speciation analysis of 14 organotin compounds, including methyl-, butyl-, phenyl-, and octylti...
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Physico-chemical study of varnishes of a corpus of European musical instruments from the 15th to the 18th century - Historical approach and conservation prospects
Various, and often contradictory, hypotheses have been raised for more than a century concerning the composition of ancient varnishes of musical instruments, in particular those made by Antonio Stradivari. Neither these hypotheses, nor the rare experimental results, allow grasping correctly the varn...
The Gothean dramaturgy, a theoretical source of the Marx Capital
Air pollution increases pollen allergens bioavailability
Removal of 4 — Chloro-2-Nitroaniline from a synthetic solution by the electrocoagulation process.
Daily evolution of emerging contaminant streams in waste water upstream of the La Source treatment plant (Orléans, France)
Analytical study of the manufacturing techniques of Kushan gold jewellery (National Museum of Antiquities of Tajikistan)
Bibliometrie and Chemistry. Example on fatty acids and phospholipids
Isotopic precision for a lead species (PbEt4) using capillary gas chromatography coupled to inductively coupled plasma-multicollector mass spectrometry
Etienne Barral between chemistry and biology: an encyclopaedic knowledge
Article déposé sur le Bolg Interfaces/Livres anciens de l'Université de Lyon. http://bibulyon.hypotheses.org/4161 Étienne Barral (1860-1938), docteur en médecine et pharmacien de première classe, débute sa carrière comme préparateur de Paul Cazeneuve à la faculté mixte de médecine et pharmacie de Ly...
Waste and environment contribution to stabilisation
International audience The research activities on the knowledge and the treatment of industrial wastes began at INSA of Lyon, France in 1973, when the Laboratory Of Applied Chemistry was created; which became the Laboratory of Applied Physical Chemistry and Environnement in 1980; which in turn becam...
Intratracheal instillation of starch granules from timoty grass pollen induces an airways allergic reaction in a rat model of allergy
Concentrations and morphology of microplastics in the Seine river estuary
Biodegradation of chloroacetanilide herbicides in wetlands
Chloroacetanilide herbicides are widely used in agriculture, and thereby contribute to environmental pollution. Their fate, including in redox-dynamic receptor ecosystems such as wetlands, remains poorly understood. In this work, microbial degradation of chloroacetanilides (metolachlor, acetochlor a...
Biological impact of biomolecules from microalgaes on mammalian cultured cells
Microalgae form a group of diverse oceanic or clean water microorganisms. They are unicellular or multicellular, eukaryotic or prokaryotic microscopic organisms. Thanks to their diversity and speed reproduction, microalgae represent an untapped source that offers great opportunities for the isolatio...
Neodymium isotope ratio measurements by LC-MC-ICPMS for nuclear applications: investigation of isotopic fractionation and mass bias correction
Impurity profiling of trandolapril under stress testing: Structure elucidation of by-products and development of degradation pathway.
International audience Various regulatory authorities like International Conference on Harmonization (ICH), US Food and Drug Administration, Canadian Drug and Health Agency are emphasizing on the purity requirements and the identification of impurities in active pharmaceutical drugs. Qualification o...
Solid partitioning and solid-liquid distribution of 210Po and 210Pb in marine anoxic sediments: roads of Cherbourg at the northwestern France
A sequential extraction protocol has been used to determine the solid-phase partition of 210Po and 210Pb in anoxic marine sediment from the roads of Cherbourg (France) in the central English Channel. Measurements were also obtained in pore waters, in which 210Po activities range between 1 and 20 mBq...
The earthenware and glass beads of the age of Bronze discovered in Brittany: new data, new approachesTylochronological study, composition, source
Non invasive in situ analyzes of prehistoric rock paintings in the Font-de-Gaume cave for an improved knowledge of the polychrome parietal decor and of its organization
International audience In this article we present a first assessment of recent results of chemical analysis of the decor of the Font-de Gaume cave. These data were obtained during four field missions between 2013 and 2017. Slightly more than two hundred representations are divided between animal art...
The symbolic language of chemistry as a meta-level between empirical registry and model registry : a problem of teaching-learning of chemistry
This research focuses on the specificities of the symbolic language of chemistry and proposes a didactic reconstruction based on the history of science. The didactic reconstruction should lead to introduce the chemical formulas by creating a dialectic between the empirical register, the register of...