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26 results on '"Lambert, Bertrand"'

5. Deep levels as local probes for the study of superlattices.

Author

Deveaud, Benoit, Lambert, Bertrand, Plot, Beatrice, Chomette, Andre, Regreny, Andre, Bourgoin, Jacques C., and Stievenard, Didier

Subjects
*SUPERLATTICES, *IRRADIATION, *MANGANESE, *WAVE functions, *METAL ions
Abstract

Discusses a study which analyzed the kinds of deep levels in GaAs/GaAlAs superlattices, namely the electron-irradiation-induced defects and manganese. Confirmation in both cases; Factor that affects the wave function of a carrier bound to an impurity; Use of transition-metal-ion properties; Sensitivity of deep levels.

Published
1987
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7. Effet de la Cadence de Répétition sur les Performances d'un Absorbant Saturable en Microcavité pour la Régénération 2R

Author

Le Cren, Elodie, Simon, Jean-Claude, Roncin, Vincent, Loualiche, Slimane, Marceaux, Alexandre, Lambert, Bertrand, Fève, Sylvain, Laboratoire d'Optronique, Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)

Subjects
[PHYS.PHYS.PHYS-OPTICS] Physics [physics]/Physics [physics]/Optics [physics.optics], [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics]
Abstract

session affiches " Source laser et amplificateur "; National audience; Cette étude traite de l'évolution du contraste d'un absorbant saturable quand celui-ci est soumis à des cadences de répétition très élevées. Les caractéristiques de l'absorbant, le montage expérimental et les résultats sont exposés dans la suite de la communication.

Published
2002

9. A “dry and wet hybrid” lithography technique for multilevel replication templates: Applications to microfluidic neuron culture and two-phase global mixing

Author

Paul, Debjani, primary, Saias, Laure, additional, Pedinotti, Jean-Cedric, additional, Chabert, Max, additional, Magnifico, Sebastien, additional, Pallandre, Antoine, additional, De Lambert, Bertrand, additional, Houdayer, Claude, additional, Brugg, Bernard, additional, Peyrin, Jean-Michel, additional, and Viovy, Jean-Louis, additional

Published
2011
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16. Electrical Properties of Yb, Er Doped InP

Author

Seghier, D., primary, Benyattou, Taha, additional, Bremond, G., additional, Ducroquet, Frédérique, additional, Marchand, Jean-Jacques, additional, Guillot, Gérard, additional, Lhomer, Christophe, additional, Lambert, Bertrand, additional, Toudic, Yves, additional, and Le Corre, Alain, additional

Published
1992
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26. Polymer-oligonucleotide conjugate synthesis from an amphiphilic block copolymer. Applications to DNA detection on microarray.

Author

de Lambert B, Chaix C, Charreyrex MT, Laurent A, Aigoui A, Perrin-Rubens A, and Pichot C

Subjects
Amides, Buffers, Cross-Linking Reagents, Hydrophobic and Hydrophilic Interactions, Oligonucleotide Array Sequence Analysis instrumentation, Phosphoric Acids, Oligonucleotide Array Sequence Analysis methods, Oligonucleotides chemical synthesis, Polymers chemistry
Abstract

An amphiphilic block copolymer poly(tert-butylacrylamide-b-(N-acryloylmorpholine-N-acryloxysuccinimide)) (poly(TBAm-b-(NAM/NAS)) and a random copolymer poly(NAM/NAS), synthesized by the reversible addition-fragmentation chain transfer (RAFT) polymerization process, have been used as support for oligonucleotide (ODN) synthesis, to elaborate polymer-oligonucleotide conjugates. In a first step, starters of ODN solid-phase synthesis were coupled to activated ester functions of polymers, and second, resulting functionalized polymers were covalently grafted onto hydroxylated controlled pore glass (CPG) support to further accomplish ODN synthesis. An efficient capping of residual hydroxyl functions of CPG was performed before synthesis, with both acetic anhydride and diethoxy-N,N-diisopropyl-phosphoramidite reagents, to suppress parasite-free ODN population present in conjugate crude material and resulting from syntheses directly initiated on silica beads. After purification, conjugates were evaluated in a DNA hybridization assay on a microarray, as macromolecules being able to favor capture of the target. Conjugate coating conditions were studied on the dT25/dA25 model. The role of the hydrophobic part (poly(TBAm)) of the conjugate synthesized with the block copolymer in the orientation of the conjugate after coating was revealed by spotting experiments achieved in a mixed solvent (DMF/H(2)O). The use of block copolymer-dT25 conjugate afforded a significant sensitivity improvement of the hybridization assay.

Published
2005
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