Search Results - "Picart, D."

Mechanical Behaviour of Pressed HMX and TATB-Based PBXs During Low-Velocity Impact by Picart, D., Tchikladze, N., Camus, S.

“…Simulations of low-velocity impacts of pyrotechnic structures require an improved knowledge of the macroscopic dynamic mechanical behaviour of pressed PBXs…”
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Modelling of the viscoelastic behaviour with damage induced anisotropy of a plastic-bonded explosive based on the microplane approach by Chatti, M., Frachon, A., Gratton, M., Caliez, M., Picart, D., Hocine, N. Aït

“…In this work, a mechanical constitutive law is proposed for a plastic-bonded explosive (PBX) which is a quasi-brittle energetic aggregate material, submitted…”
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Dynamic behavior of an aggregate material at simultaneous high pressure and strain rate: SHPB triaxial tests by Bailly, P., Delvare, F., Vial, J., Hanus, J.L., Biessy, M., Picart, D.

“…Low velocity impacts on energetic materials induce plastic deformations and sliding friction which can lead to ignition. If some ignition criteria have been…”
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Explicit dynamics with a non-local damage model using the thick level set approach by Moreau, K., Moës, N., Picart, D., Stainier, L.

“…SummaryIn this paper, we are interested in the dynamical response of a material body subjected to impact loadings. Such loadings are brutal and intense and may…”
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UV-induced DNA damage initiates release of MMP-1 in human skin by Dong, Kelly K., Damaghi, Niusha, Picart, Stephanie D., Markova, Nelli G., Obayashi, Kei, Okano, Yuri, Masaki, Hitoshi, Grether-Beck, Susanne, Krutmann, Jean, Smiles, Kenneth A., Yarosh, Daniel B.

“…:  Destruction of collagen is a hallmark of photoaging. The major enzyme responsible for collagen 1 digestion, matrix metalloproteinase‐1 (MMP‐1), is induced…”
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Inhibition of Biofilm Formation by Modified Oxylipins from the Shipworm Symbiont Teredinibacter turnerae by Lacerna, 2nd, Noel M, Ramones, Cydee Marie V, Robes, Jose Miguel D, Picart, Myra Ruth D, Tun, Jortan O, Miller, Bailey W, Haygood, Margo G, Schmidt, Eric W, Salvador-Reyes, Lilibeth A, Concepcion, Gisela P

“…The bioactivity-guided purification of the culture broth of the shipworm endosymbiont strain 991H.S.0a.06 yielded a new fatty acid, turneroic acid ( ), and two…”
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Spatial and Temporal Pattern Analyses of Esca Grapevine Disease in Vineyards in France by Li, S, Bonneu, F, Chadoeuf, J, Picart, D, Gégout-Petit, A, Guérin-Dubrana, L

“…To assess the capacity of esca to spread within vineyards of the Bordeaux region, over 8 years of annual records, containing between 1,200 and 2,300 contiguous…”
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Ignition of a confined high explosive under low velocity impact by Gruau, C., Picart, D., Belmas, R., Bouton, E., Delmaire-Sizes, F., Sabatier, J., Trumel, H.

“…In the framework of low velocity impact studies, dedicated to safety analyses of plastic bonded explosives (PBX), we propose a new numerical tool, designed for…”
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Characterization and modeling of the anisotropic damage of a high-explosive composition by Picart, D., Benelfellah, A., Brigolle, J.L., Frachon, A., Gratton, M., Caliez, M.

“…•An experimental set-up and procedure to characterize the initial damage and its induced anisotropy.•A microplane constitutive law taking into account the…”
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Characterization of the viscoelastic behaviour of a plastic-bonded explosive by Picart, D., Brigolle, J.L.

“…▶ Master curves and time to temperature equivalence. ▶ No recoverable Young's modulus after thermal cycles. ▶ Binder degradation as a cause of such…”
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Analytical and numerical comparison of discrete damage models with induced anisotropy by Benelfellah, A., Frachon, A., Gratton, M., Caliez, M., Picart, D.

“…•New method to analyze and select anisotropic damage model.•Comparison of damage effect of selected models for a Vosges sandstone.•VDT model capacity in…”
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A friction test between steel and a brittle material at high contact pressures and high sliding velocities by Hiermaier, S., Durand, B., Bailly, P., Delvare, F., Picart, D.

“…Our aim is to characterize the interface behaviour between an aggregate material and steel. This work focuses on contact pressures and sliding velocities…”
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Requirement for omega and (omega;-1)-hydroxylations of fatty acids by human cytochromes P450 2E1 and 4A11 by Adas, F, Salaün, J P, Berthou, F, Picart, D, Simon, B, Amet, Y

“…Human liver microsomes and recombinant human P450 have been used as enzyme source in order to better understand the requirement for the optimal rate of omega…”
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Involvement of cytochrome P450 3A4 in N-dealkylation of buprenorphine in human liver microsomes by Iribarne, Christelle, Picart, Daniel, Dréano, Yvonne, Bail, Jean-Pierre, Berthou, François

“…Buprenorphine is a long acting analgesic of the opiate family. Recently, it has been proposed for the opioid dependency treatment at a large scale. The drug is…”
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Inhibition of methadone and buprenorphine N-dealkylations by three HIV-1 protease inhibitors by IRIBARNE, C, BERTHOU, F, CARLHANT, D, DREANO, Y, PICART, D, LOHEZIC, F, RICHE, C

“…Ritonavir, indinavir, and saquinavir, all human immunodeficiency virus-1 protease inhibitors with a potent antiviral effect during triple therapy, are…”
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In vitro interactions between fluoxetine or fluvoxamine and methadone or buprenorphine by Iribarne, C, Picart, D, Dréano, Y, Berthou, F

“…Summary— Methadone and buprenorphine, widely used in the treatment of opioid abuse, are metabolized by cytochrome P450 3A4, while fluoxetine and fluvoxamine,…”
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Experimental investigation of an aggregate material behavior under confinement at high strain rate by Brémand, Fabrice, Vial, J., Bailly, P., Delvare, F., Biessy, M., Picart, D.

“…Low velocity impacts can ignite explosives or energetic materials. Ignition depends on the mechanical behavior of the energetic material which needs to be…”
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A PENETROVISCOSIMETER FOR NEWTONIAN AND VISCO-PLASTIC FLUIDS by Picart, D., Manceau, R., Fauré, J. P.

“…The penetration test has been widely used by engineers to characterize the behavior of materials such as soils, fresh concrete, or concentrated suspensions…”
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Comparison of caffeine metabolism by slices, microsomes and hepatocyte cultures from adult human liver by Berthou, F, Ratanasavanh, D, Riche, C, Picart, D, Voirin, T, Guillouzo, A

“…1. Caffeine was used as a molecular probe for hepatic monooxygenase activity in three in vitro models from human livers: slices, microsomes and hepatocyte…”
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Characterization of Paste-Extrudable Explosives Using a Penetration Test by Picart, D., Manceau, R., Fauré, J. P.

“…Penetration tests have been widely used to investigate the behavior of concentrated suspensions. Unfortunately, empirical parameters were introduced to relate…”
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