Search Results - "Loison, C."

Sulphur storage in cold molecular clouds: the case of the NH4+SH- salt on interstellar dust grains by Vitorino, J, Loison, J -C, Wakelam, V, Congiu, E, Dulieu, F

“…ABSTRACT In comets and in the cold phase of the interstellar medium (ISM), ammonium salts are key molecular species due to their role in the retention of…”
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Methyl isocyanate (CH3NCO): an important missing organic in current astrochemical networks by Majumdar, L, Loison, J-C, Ruaud, M, Gratier, P, Wakelam, V, Coutens, A

“…Abstract Methyl isocyanate (CH3NCO) is one of the important complex organic molecules detected on the comet 67P/Churyumov–Gerasimenko by Rosetta’s Philae…”
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Detection of CH3SH in protostar IRAS 16293-2422 by Majumdar, Liton, Gratier, P., Vidal, Thomas, Wakelam, Valentine, Loison, Jean-Christophe, Hickson, Kevin M., Caux, Emmanuel

“…The nature of the main sulphur reservoir in star forming regions is a long standing mystery. The observed abundance of sulphur-bearing species in dense clouds…”
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A proposed chemical scheme for HCCO formation in cold dense clouds by Wakelam, V., Loison, J.-C., Hickson, K. M., Ruaud, M.

“…The ketenyl radical (HCCO) has recently been discovered in two cold dense clouds with a non-negligible abundance of a few 10−11 (compared to H2). Until now, no…”
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Reaction Networks for Interstellar Chemical Modelling: Improvements and Challenges by Wakelam, V., Smith, I. W. M., Herbst, E., Troe, J., Geppert, W., Linnartz, H., Öberg, K., Roueff, E., Agúndez, M., Pernot, P., Cuppen, H. M., Loison, J. C., Talbi, D.

“…We survey the current situation regarding chemical modelling of the synthesis of molecules in the interstellar medium. The present state of knowledge…”
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Photoionization of C4H5 Isomers by Hartweg, S, Loison, J.-C, Boyé-Péronne, S, Gans, B, Holland, D. M. P, Garcia, G. A, Nahon, L, Pratt, S. T

“…Single-photon, photoelectron–photoion coincidence spectroscopy is used to record the mass-selected ion spectra and slow photoelectron spectra of C4H5 radicals…”
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Valence-Shell Photoionization of C 4 H 5 : The 2-Butyn-1-yl Radical by Hrodmarsson, H R, Loison, J-C, Jacovella, U, Holland, D M P, Boyé-Péronne, S, Gans, B, Garcia, G A, Nahon, L, Pratt, S T

“…We present new high-resolution data on the photoionization of the 2-butyn-1-yl radical (CH C≡C- CH ) formed by H atom abstraction from 2-butyne by F atoms. The…”
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Additive Model for the Second Harmonic Generation Hyperpolarizability Applied to a Collagen-Mimicking Peptide (Pro-Pro-Gly)10 by Loison, C, Simon, D

“…Second harmonic generation (SHG) spectrometry has been recently applied to investigate the structure of proteins and sugars (collagen, myosin, starch, etc.)…”
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Valence-Shell Photoionization of C4H5: The 2‑Butyn-1-yl Radical by Hrodmarsson, H. R, Loison, J.-C, Jacovella, U, Holland, D. M. P, Boyé-Péronne, S, Gans, B, Garcia, G. A, Nahon, L, Pratt, S. T

“…We present new high-resolution data on the photoionization of the 2-butyn-1-yl radical (CH3CC–•CH2) formed by H atom abstraction from 2-butyne by F atoms. The…”
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CaSi2, the antibonding-sister of MgB2? by LOISON, C, ROSNER, H

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the antibonding-sister of ? by Loison, C., Rosner, H.

“…The crystalline and electronic structures of CaSi sub(2) under high-pressure are very similar to those of MgB sub(2). As CaSi sub(2) has two more valence…”
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Modelling complex organic molecules in dense regions: Eley–Rideal and complex induced reaction by Ruaud, M, Loison, J C, Hickson, K M, Gratier, P, Hersant, F, Wakelam, V

“…Recent observations have revealed the existence of complex organic molecules (COMs) in cold dense cores and pre-stellar cores. The presence of these molecules…”
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1D-coupled photochemical model of neutrals, cations and anions in the atmosphere of Titan by Dobrijevic, M., Loison, J.C., Hickson, K.M., Gronoff, G.

“…•We developed a 1D model coupling neutrals with positive and negative ions.•We have updated the chemical scheme and absorption cross sections.•Agreement with…”
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Helimagnetism and weak ferromagnetism in edge-shared chain cuprates by Drechsler, S.-L., Richter, J., Kuzian, R., Málek, J., Tristan, N., Büchner, B., Moskvin, A.S., Gippius, A.A., Vasiliev, A., Volkova, O., Prokofiev, A., Rakoto, H., Broto, J.-M., Schnelle, W., Schmitt, M., Ormeci, A., Loison, C., Rosner, H.

“…The present understanding of a novel growing class of chain cuprates with intriguing magnetic properties is reviewed. Among them, several undoped edge-shared…”
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Functional Characterization of Human Receptors for Short Chain Fatty Acids and Their Role in Polymorphonuclear Cell Activation by Le Poul, Emmanuel, Loison, Cécile, Struyf, Sofie, Springael, Jean-Yves, Lannoy, Vincent, Decobecq, Marie-Eve, Brezillon, Stéphane, Dupriez, Vincent, Vassart, Gilbert, Van Damme, Jo, Parmentier, Marc, Detheux, Michel

“…Short chain fatty acids (SCFAs), including acetate, propionate, and butyrate, are produced at high concentration by bacteria in the gut and subsequently…”
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The neutral photochemistry of nitriles, amines and imines in the atmosphere of Titan by Loison, J.C., Hébrard, E., Dobrijevic, M., Hickson, K.M., Caralp, F., Hue, V., Gronoff, G., Venot, O., Bénilan, Y.

“…•We study the photochemical richness of Titan’s atmosphere.•We review and complete the neutral chemistry of nitrogen containing compounds.•A review of…”
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Product Branching Ratios of the CH + NO Reaction by Bergeat, A, Calvo, T, Daugey, N, Loison, J.-C, Dorthe, G

“…The multichannel CH + NO reaction was studied, at room temperature, in a low-pressure fast-flow reactor. CH was obtained from the reaction of CHBr3 with…”
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Impact of the transport of magnetospheric electrons on the composition of the Triton atmosphere by Benne, B, Benmahi, B, Dobrijevic, M, Cavalié, T, Loison, J-C, Hickson, K. M, Barthélémy, M, Lilensten, J

“…A&A, 686 (2024) A22 Due to its inclined orbit and the complex geometry of the magnetic field of Neptune, Triton experiences a highly variable magnetic…”
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Chemical inventory of the envelope of the Class I protostar L1551 IRS 5 by Marchand, P, Coutens, A, Scigliuto, J, de Miera, F. Cruz-Sáenz, Andreu, A, Loison, J. -C, Kóspál, Á, Ábrahám, P

“…A&A 687, A195 (2024) Episodic accretion in protostars leads to luminosity outbursts that end up heating their surroundings. This rise in temperature pushes the…”
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Fast-Flow Study of the CH + CH Reaction Products by Bergeat, A, Calvo, T, Dorthe, G, Loison, J.-C

“…The multichannel CH + CH reaction was studied, at room temperature, in a low-pressure fast-flow reactor. CH was obtained from the reaction of CHBr3 with…”
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