Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Mehdi Zeghal"'
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Akademický článek
Nonequilibrium self-assembly dynamics of icosahedral viral capsids packaging genome or polyelectrolyte
Autor: Maelenn Chevreuil, Didier Law-Hine, Jingzhi Chen, Stéphane Bressanelli, Sophie Combet, Doru Constantin, Jéril Degrouard, Johannes Möller, Mehdi Zeghal, Guillaume Tresset
Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
The mechanism by which virus capsules assemble around RNA to package their genetic material is not clear. Here, the authors observed the assembly of the cowpea chlorotic mottle virus capsid around viral RNA or poly(styrene sulfonic acid) using time-r
Externí odkaz: https://doaj.org/article/0261868489484cbda8ff11bb550b2f58
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2
Fréedericksz transition on air
Autor: Juliette Plo, Pawel Pieranski, Dihya Sadi, Patrick Judeinstein, Mehdi Zeghal, Elio Thellier
Publikováno v: American Journal of Physics
American Journal of Physics, American Association of Physics Teachers, 2021, 89 (6), pp.603-611. ⟨10.1119/10.0003350⟩
American Journal of Physics, 2021, 89 (6), pp.603-611. ⟨10.1119/10.0003350⟩
International audience; The operational principle of twisted nematic displays involves the dielectric anisotropy of nematics. This crucial property was discovered about a hundred years ago by Jezewski and Kast who used a so- called resonance method i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dac1017b3dd2ae6ac5ad235d720a1013
https://hal.archives-ouvertes.fr/hal-03234467/file/Pieranski_doi_10.1119_10.0003350.pdf
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3
Interplay of Structure and Dynamics in Lithium/Ionic Liquid Electrolytes: Experiment and Molecular Simulation
Autor: Patrick Judeinstein, Doru Constantin, Benoit Coasne, Cristina Iojoiu, Mehdi Zeghal
Publikováno v: Journal of Physical Chemistry B
Journal of Physical Chemistry B, American Chemical Society, 2021, 125 (6), pp.1618-1631. ⟨10.1021/acs.jpcb.0c09597⟩
Despite their promising use in electrochemical and electrokinetic devices, ionic-liquid-based electrolytes often exhibit complex behavior arising from a subtle interplay of their structure and dynamics. Here, we report a joint experimental and molecu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f0b3814ee4b232082500601971deb40
https://pubmed.ncbi.nlm.nih.gov/33535754
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4
Communication: Investigation of ion aggregation in ionic liquids and their solutions with lithium salt under high pressure
Autor: Patrick Judeinstein, Steve Greenbaum, Kartik Pilar, V. Balédent, Mehdi Zeghal, Stefano Passerini, Sangsik Jeong
Publikováno v: Journal of Chemical Physics
Journal of Chemical Physics, American Institute of Physics, 2018, 148 (3), pp.031102. ⟨10.1063/1.5016049⟩
Journal of Chemical Physics, 2018, 148 (3), pp.031102. ⟨10.1063/1.5016049⟩
X-ray scattering measurements were utilized to probe the effects of pressure on a series of ionic liquids, N-alkyl-N-methyl-pyrrolidinium bis(trifluoromethanesulfonyl)imide (Pyr1A-TFSI) (A = 3, 6, and 9), along with mixtures of ionic liquid and 30 mo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c27cf739956e5ed7a302b3fdac62a8df
https://pubmed.ncbi.nlm.nih.gov/29352782
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5
Reconstruction of the Disassembly Pathway of an Icosahedral Viral Capsid and Shape Determination of Two Successive Intermediates
Autor: Mehdi Zeghal, Guillaume Tresset, Prabal K. Maiti, Didier Law-Hine, Sylvain Prévost, Stéphane Bressanelli, Virginie Bailleux, Anil Kumar Sahoo, Doru Constantin
Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2015, 6 (17), pp.3471-6. ⟨10.1021/acs.jpclett.5b01478⟩
Journal of Physical Chemistry Letters, American Chemical Society (ACS), 2015, 6 (17), pp.3471-6. 〈10.1021/acs.jpclett.5b01478〉
Journal of Physical Chemistry Letters, 2015, 6 (17), pp.3471-6. ⟨10.1021/acs.jpclett.5b01478⟩
International audience; Viral capsids derived from an icosahedral plant virus widely used in physical and nanotechnological investigations were fully dissociated into dimers by a rapid change of pH. The process was probed in vitro at high spatiotempo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5058f14daa83ccaf0eb7c966a1f3736
https://doi.org/10.1021/acs.jpclett.5b01478
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6
Identification of a major intermediate along the self-assembly pathway of an icosahedral viral capsid by using an analytical model of a spherical patch
Autor: Stéphane Bressanelli, Doru Constantin, Mehdi Zeghal, Guillaume Tresset, Didier Law-Hine
Publikováno v: Soft Matter
Soft Matter, Royal Society of Chemistry, 2016, 12 (32), pp.6728-36
HAL
Soft Matter, 2016, 12 (32), pp.6728-36
International audience; Viruses are astonishing edifices in which hundreds of molecular building blocks fit into the final structure with pinpoint accuracy. We established a robust kinetic model accounting for the in vitro self-assembly of a capsid s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3459a4aaf777a7772107fdcc8562e11
https://hal.archives-ouvertes.fr/hal-01356007
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8
Structure of Hydrogen and Hydrophobically Bonded Amphiphilic Copolymer with Poly(methacrylic acid) Complexes as Revealed by Small Angle Neutron Scattering
Autor: Abdelhafidh Gharbi, Mehdi Zeghal, Mondher Jebbari, Loïc Auvray
Publikováno v: Macromolecular Symposia. 222:149-156
We study by SANS the structure of intermolecular complexes formed through hydrogen bonding and hydrophobic interactions between poly(methacrylic acid) (PMA) and a neutral copolymer surfactant (PEO-PPO-PEO). The contrast variation method enables us to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::188af6501e35b19da7ef0139d54057dc
https://doi.org/10.1002/masy.200550418
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9
Structure of hydrophobically and hydrogen-bonded complexes between amphiphilic copolymer and polyacid in water
Autor: Mehdi Zeghal, Loïc Auvray
Publikováno v: The European Physical Journal E. 14:259-268
We observed by SANS and NMR the structure of intermolecular complexes formed through hydrogen bonding and hydrophobic interactions between a polyacid and a neutral copolymer surfactant (PEO-PPO-PEO). The polyacid is perdeuterated and the contrast var
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b303503f89f5ca8f2d5f262058d53acc
https://doi.org/10.1140/epje/i2003-10150-3
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10
Weighing polyelectrolytes packaged in viruslike particles
Autor: Clémence Le Cœur, Guillaume Tresset, Amélie Lecchi, Lionel Porcar, Virginie Bailleux, Katarzyna Brach, Mehdi Zeghal, Magdalena Klekotko, Mouna Tatou
Publikováno v: Physical review letters. 113(12)
This Letter reports on the remarkable selectivity of capsid proteins for packaging synthetic polyelectrolytes in viruslike particles. By applying the contrast variation method in small-angle neutron scattering, we accurately estimated the mean mass o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fb4e508b3c98e5c7ed6803344738b4e
https://pubmed.ncbi.nlm.nih.gov/25279650
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