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(110) Production(s) de LORMAN V.
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Supermolecular organization in high density DNA solutions 
Auteur(s): Manna Federico, Lorman V., Podgornik R., Zeks B.
Conference: 5th EBSA & 15th IUPAB International Biophysics Congress (Montpellier, FR, 2005-08-27)
Actes de conférence: European Biophysics Journal, vol. 34 p.636 (2005)
Texte intégral en Openaccess : 
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Order in the high density solutions of nucleosomal core particles
Auteur(s): Manna Federico, Lorman V., Podgornik R., Zeks B.
Conference: 5th EBSA & 15th IUPAB International Biophysics Congress (Montpellier, FR, 2005-08-27)
Actes de conférence: European Biophysics Journal, vol. 34 p.636 (2005)
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Molecular Interactions and Elastic Distortions in High Density DNA Mesophases
Auteur(s): Manna Federico, Lorman V., Podgornik R., Zeks B.
Conference: (, , 0000)
Actes de conférence: 8th European Liquid Crystal Conf., Sesto (Italy), 2005, p. 72 -, vol. p.- (2005)
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Design of Siloxane Liquid Crystals Forming a De Vries SmA* Phase
Auteur(s): Galli G., Reihmann M., Crudeli A., Chiellini E., Panarin Yu., Vij J., Blanc C., Lorman V., Olsson N.
(Article) Publié:
Molecular Crystals And Liquid Crystals, vol. 439 p.245/[2111]-257/[2123] (2005)
Ref HAL: in2p3-00025729_v1
DOI: 10.1080/15421400590958089
WoS: 000230652000023
Exporter : BibTex | endNote
8 Citations
Résumé: We designed and synthesized new SmA* liquid crystals with different molecular architectures based on the chiral mesogen MR11, which was unsubstituted, or attached at one end and at both ends of a trisiloxane segment in the monosubstituted MSi3-MR11 and disubstituted DSi3-MR11 siloxanes, respectively. We studied the critical divergence of the magnetic susceptibility by measurements of the induced tilt angle Θind at the SmA*–SmC* transition. While all three SmA* liquid crystals presented a de Vries character, this was quite distinctive for DSi3-MR11 for which the critical exponent γ = 1.87 was maximal. X-ray diffraction experiments confirmed that the SmA*–SmC* transition occurred with essentially no layer shrinkage.
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Viscoelastic dynamics of spherical composite vesicles
Auteur(s): Rochal S.B., Lorman V., Mennessier G.
(Article) Publié:
Physical Review E: Statistical, Nonlinear, And Soft Matter Physics, vol. 71 p.021905 (2005)
Ref HAL: in2p3-00025966_v1
PMID 15783350
DOI: 10.1103/PhysRevE.71.021905
WoS: 000228245700046
Exporter : BibTex | endNote
19 Citations
Résumé: A micromechanical model for the low-frequency dynamics of spherical composite vesicles (CVs) is proposed. Solidlike viscoelastic properties of the CVs are taken into account. The equations of motion of a CV surrounded by a viscous liquid are derived. They have discrete solutions which describe linearly coupled stretching and bending relaxation modes and an independent shear mode. The qualitative difference between the bending modes excited in a spherical vesicle and that in a flat membrane is demonstrated. The shear elasticity of the CVs gives an essential contribution to the relaxation rate of the bending mode at small wave numbers. It is also shown that even in an incompressible spherical vesicle with a finite shear modulus, the bending mode involves both radial and tangent displacements. These reasons make both in-plane and out-of-plane low-frequency responses of the CV quite different with respect to those of the flat membrane. To compare our theoretical results with published experimental data, the power spectra of the actin-coated CV are calculated.
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Correlated and Decorrelated Positional and Orientational Order in the Nucleosomal Core Particle Mesophases
Auteur(s): Lorman V., Podgornik R., Zeks B.
(Article) Publié:
Europhysics Letters (Epl), vol. 69 p.1017-1023 (2005)
Texte intégral en Openaccess : 
Ref HAL: in2p3-00025967_v1
Ref Arxiv: cond-mat/0401489
DOI: 10.1209/epl/i2004-10437-5
WoS: 000228445900025
Ref. & Cit.: NASA ADS
Exporter : BibTex | endNote
9 Citations
Résumé: We investigate the orientational order of transverse polarization vectors of long columns of nucleosomal core particles and their coupling to positional order in high density mesophases discovered recently. Inhomogeneous polar ordering of these columns precipitates crystalization of the 2D sections with different orientations of the transverse polarization vector on each column in the unit cell. We propose possible scenarios for going from the 2D hexagonal phase into distorted lamellar and related phases observed experimentally.
Commentaires: 4 pages and 2 figures
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Influence of Anchoring on the AFLC Cells: Mixed States
Auteur(s): Da sylva J., Lorman V.
Conference: 20th Internationale Liquid Crystal Conference (ILCC 2004) (Ljubljana, SI, 2004-07-04)
Actes de conférence: ILCC 04 Proceedings, vol. POLY-P028 p.594- (2004)
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