Search Results - "BRAS, G"

Kinetics and Mechanisms of the Oxidation of Oxygenated Organic Compounds in the Gas Phase by Mellouki, A, Le Bras, G, Sidebottom, H

“…The available kinetic and mechanistic data for the oxidation of oxygenated organic compounds under tropospheric conditions are reviewed. Analysis of the…”
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Oligomer formation during gas-phase ozonolysis of small alkenes and enol ethers: new evidence for the central role of the Criegee Intermediate as oligomer chain unit by Sadezky, A., Winterhalter, R., Kanawati, B., Römpp, A., Spengler, B., Mellouki, A., Le Bras, G., Chaimbault, P., Moortgat, G. K.

“…An important fraction of secondary organic aerosol (SOA) formed by atmospheric oxidation of diverse volatile organic compounds (VOC) has recently been shown to…”
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Study of Arc-wire and Laser-wire processes for the realization of Ti-6Al-4V alloy parts by Ayed, A., Bras, G., Bernard, H., Michaud, P., Balcaen, Y., Alexis, J.

“…Arc-wire or laser-wire additive manufacturing seems promising because it allows large parts to be produced with significant deposition rates (ten times higher…”
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Effect of La doping in the multiferroic compound BiFeO3 by LE BRAS, G, BONVILLE, P, COLSON, D, FORGET, A, GENAND-RIONDET, N, TOURBOT, R

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Pressure Dependence of Butyl Nitrate Formation in the Reaction of Butylperoxy Radicals with Nitrogen Oxide by Butkovskaya, N. I, Kukui, A, Le Bras, G, Rayez, M.-T, Rayez, J.-C

“…The yield of 1- and 2-butyl nitrates in the gas-phase reactions of NO with n-C4H9O2 and sec-C4H9O2, obtained from the reaction of F atoms with n-butane in the…”
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The impact of the chemical production of methyl nitrate from the NO + CH 3 O 2 reaction on the global distributions of alkyl nitrates, nitrogen oxides and tropospheric ozone: a global modelling study by Williams, J. E., Le Bras, G., Kukui, A., Ziereis, H., Brenninkmeijer, C. A. M.

“…The formation, abundance and distribution of organic nitrates are relevant for determining the production efficiency and resident mixing ratios of tropospheric…”
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Formation of secondary organic aerosol and oligomers from the ozonolysis of enol ethers by Sadezky, A., Chaimbault, P., Mellouki, A., Römpp, A., Winterhalter, R., Le Bras, G., Moortgat, G. K.

“…Formation of secondary organic aerosol has been observed in the gas phase ozonolysis of a series of enol ethers, among them several alkyl vinyl ethers (AVE,…”
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OH reaction rate constants and UV absorption cross-sections of unsaturated esters by Teruel, M.A., Lane, S.I., Mellouki, A., Solignac, G., Le Bras, G.

“…Absolute rate coefficients have been determined for the gas-phase reactions of hydroxyl radicals with methyl acrylate ( k 1), methyl methacrylate ( k 2) and…”
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Formation of Nitric Acid in the Gas-Phase HO2 + NO Reaction:  Effects of Temperature and Water Vapor by Butkovskaya, N. I, Kukui, A, Pouvesle, N, Le Bras, G

“…A high-pressure turbulent flow reactor coupled with a chemical ionization mass spectrometer was used to investigate the minor channel (1b) producing nitric…”
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Photolysis and OH-Initiated Oxidation of Glycolaldehyde under Atmospheric Conditions by Magneron, I, Mellouki, A, Le Bras, G, Moortgat, G. K, Horowitz, A, Wirtz, K

“…The photolysis and OH-initiated oxidation of glycolaldehyde (HOCH2CHO), which are relevant atmospheric processes, have been investigated under different…”
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The impact of the chemical production of methyl nitrate from the NO + CH3O2 reaction on the global distributions of alkyl nitrates, nitrogen oxides and tropospheric ozone: a global modelling study by J. E. Williams, G. Le Bras, A. Kukui, H. Ziereis, C. A. M. Brenninkmeijer

“…The formation, abundance and distribution of organic nitrates are relevant for determining the production efficiency and resident mixing ratios of tropospheric…”
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Rate Constant and Mechanism of the Reaction of OH Radicals with Acetic Acid in the Temperature Range of 229−300 K by Butkovskaya, N. I, Kukui, A, Pouvesle, N, Le Bras, G

“…The overall rate constant for the reaction OH + CH3COOH → products in the temperature range of 229−300 K was determined using a chemical ionization mass…”
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A Study of the Photolysis and OH-initiated Oxidation of Acrolein and trans-Crotonaldehyde by Magneron, I, Thévenet, R, Mellouki, A, Le Bras, G, Moortgat, G. K, Wirtz, K

“…Experiments have been conducted in the laboratory and in the outdoor smog chamber (EUPHORE) to study the photolysis and the OH-initiated oxidation of (1)…”
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Charge Stabilized Silver Nanoparticles Applied as Antibacterial Agents by Kujda, M, Oćwieja, M, Adamczyk, Z, Bocheńska, O, Braś, G, Kozik, A, Bielańska, E, Barbasz, J

“…Monodisperse silver nanoparticle sols were synthesized via chemical reduction processes in aqueous environment without using polymeric stabilizing agents or…”
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Branching Fractions for H2O Forming Channels of the Reaction of OH Radicals with Acetaldehyde by Butkovskaya, N. I, Kukui, A, Le Bras, G

“…Branching fractions for two hydrogen abstraction channels of the OH + CH3CHO reaction producing H2O + CH3CO (a) and H2O + CH2CHO (b) were determined using…”
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The gas phase tropospheric removal of fluoroaldehydes (CxF2x+1CHO, x = 3, 4, 6) by Solignac, G, Mellouki, A, Le Bras, G, Yujing, Mu, Sidebottom, H

“…The rate coefficient of the OH reaction with the perfluoroaldehydes C(3)F(7)CHO and C(4)F(9)CHO have been determined in the temperature range 252-373 K using…”
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Reaction of Cl Atoms with C6F13CH2OH, C6F13CHO, and C3F7CHO by Solignac, G, Mellouki, A, Le Bras, G, Barnes, I, Benter, Th

“…The Cl atom initiated oxidation of C6F13CH2OH, C6F13CHO, and C3F7CHO was investigated at 298 K and 1000 mbar pressure of air in a photoreactor using in situ…”
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Structure of the Sec7 domain of the Arf exchange factor ARNO by Cherfils, Jacqueline, Ménétrey, Julie, Mathieu, Magali, Le Bras, Gérard, Robineau, Sylviane, Béraud-Dufour, Sophie, Antonny, Bruno, Chardin, Pierre

“…Small G proteins switch from a resting, GDP-bound state to an active, GTP-bound state. As spontaneous GDP release is slow, guanine-nucleotide-exchange factors…”
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Kinetic Study of OH + OH and OD + OD Reactions by Bedjanian, Y, Le Bras, G, Poulet, G

“…The kinetics of the disproportionation reactions of OH and OD radicals, OH + OH → O + H2O (1), OD + OD → O + D2O (3), have been studied by the mass…”
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UV-absorption cross sections of benzaldehyde, ortho-, meta-, and para-tolualdehyde by Thiault, G, Mellouki, A, Le Bras, G, Chakir, A, Sokolowski-Gomez, N, Daumont, D

“…Absorption cross-sections for benzaldehyde, o-tolualdehyde, m-tolualdehyde and p-tolualdehyde have been measured in the wavelength region 252–368 nm using two…”
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