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10 papers · 2 filters
Molecular diffusion between walls with adsorption and desorption
Maximilien Levesque, Olivier Bénichou, Benjamin Rotenberg
The time dependency of the diffusion coefficient of particles in porous media is an efficient probe of their geometry. The analysis of this quantity, measured e.g. by nuclear magne…
Membrane properties revealed by spatiotemporal response to a local inhomogeneity
Anne-Florence Bitbol, Jean-Baptiste Fournier
We study theoretically the spatiotemporal response of a lipid membrane submitted to a local chemical change of its environment, taking into account the time-dependent profile of th…
Bilayer elasticity at the nanoscale: the need for new terms
Anne-Florence Bitbol, Doru Constantin, Jean-Baptiste Fournier
Continuum elastic models that account for membrane thickness variations are especially useful in the description of nanoscale deformations due to the presence of membrane proteins…
Nanorods of Well-Defined Length and Monodisperse Cross-Section Obtained from Electrostatic Complexation of Nanoparticles with a Semiflexible Biopolymer
Li Shi, Florent Carn, François Boué +2
We show by combining small-angle X-ray scattering (SAXS) and cryo-transmission electron microscopy (cryo-TEM) that anionic silica nanoparticles (SiNPs) assemble into well-defined 1…
Doxorubicin Loaded Magnetic Polymersomes: Theranostic Nanocarriers for MR Imaging and Magneto-Chemotherapy
Charles Sanson, Odile Diou, Julie Thevenot +10
Hydrophobically modified magnetic nanoparticles (MNPs) were encapsulated within the membrane of poly(trimethylene carbonate)-b-poly(L-glutamic acid) (PTMC-b-PGA) block copolymer ve…
On the existence of a simple yield stress fluid behavior
Guillaume Ovarlez, Sylvie Cohen-Addad, Kapil Krishan +2
Materials such as foams, concentrated emulsions, dense suspensions or colloidal gels, are yield stress fluids. Their steady flow behavior, characterized by standard rheometric tech…