Results 301 to 310 of about 1,560,028 (331)

An NMR Self-Diffusion Investigation of Aggregation Phenomena in Solutions of Ethyl(hydroxyethyl)cellulose.

Macromolecules, 1998
Water solutions of ethyl(hydroxyethyl)cellulose have been investigated with the PFG NMR technique and by means of 1H NMR relaxation measurements. The echo decays in PFG experiments have been recorded for EHEC with concentrations ranging from the dilute ...
Nydén, Söderman
semanticscholar   +1 more source

Aggregation kinetics and precipitation phenomena in poly(phenylisocyanide)

Journal of Polymer Science Part A: Polymer Chemistry, 1997
The preparation of N-phenyl-substituted poly(isocyanide) (N-ϕ-PIM) utilizing a Ni(II) catalyst in methanol yields a brown material having a number average molecular weight of about 2000. Analysis of this “as prepared” polymer indicates that a rigid rod structure is present in the derived solid.
Huang, Jiun Tang, Sun, Jingxian, Euler, William B., Rosen, William   +3 more
openaire   +2 more sources

Aggregation phenomena in a system of molecules with two internal states

Physical Review E, 2007
A model for the aggregation of molecules with two internal states is studied by kinetic Monte Carlo simulations. Molecules are represented by simple beads, discarding all stereochemical specificity. Monomers are placed in a three-dimensional lattice and diffusion processes are simulated, as well as internal state conversions of the molecules.
Gaspari R, Gliozzi A, Ferrando R
openaire   +5 more sources

Experimental and DFT studies on the effect of carbon nanoparticles on asphaltene precipitation and aggregation phenomena

, 2021
F. Alemi, S. Mohammadi, S. A. M. Dehghani, A. Rashidi, N. Hosseinpour, Abdolvahab Seif   +5 more
semanticscholar   +1 more source

Application of fractal concepts to the study of caseinate aggregation phenomena

Journal of Dairy Research, 1989
Summary The concepts of fractals and fractal dimension are introduced and applied to the description of the disordered structures of colloidal aggregates.
D. Horne
semanticscholar   +1 more source

Wetting phenomena and colloidal aggregation in binary mixtures

Physical Review A, 1990
Recent experiments on colloidal suspensions of silica spheres in a water-lutidine mixture close to the consolute point have revealed interesting sphere-aggregation behavior that has been linked to wetting phenomena. We carry out a theoretical analysis of the phase behavior in such mixtures and suggest that the observed behavior is consistent with ...
openaire   +3 more sources

Optodynamic phenomena in aggregates of polydisperse plasmonic nanoparticles

Applied Physics B, 2013
We propose an optodynamical model of interaction of pulsed laser radiation with aggregates of spherical metallic nanoparticles embedded into host media. The model takes into account polydispersity of particles, pair interactions between the particles, dissipation of absorbed energy, heating and melting of the metallic core of particles and of their ...
P. N. Semina, Sergei V. Karpov, Sergei V. Karpov, A. P. Gavrilyuk, A. P. Gavrilyuk, A. E. Ershov   +5 more
openaire   +2 more sources

Molecular dynamics simulation for aggregation phenomena of nanocolloids

Science in China Series E: Technological Sciences, 2009
Nonequilibrium molecular dynamics (MD) method was used to study the dielectrophoresis (DEP) motion of nanocolloids in non-uniform electric field. By changing the electric field strength and system temperature, aggregation phenomena of nanocolloids was analyzed.
XinJie Zhang, Zhonghua Ni
openaire   +2 more sources

Aggregation Phenomena in Aqueous Solutions of Hydrophobically Modified Polyelectrolytes. A Probe Solubilization Study

, 1999
Aggregation in the solutions of a hydrophobically modified polyelectrolyte, poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide)-g-poly(acrylic acid) (Pluronic-PAA), has been studied as a function of temperature, pH, and molecular weight ...
L. Bromberg, D. Barr
semanticscholar   +1 more source

Transport properties and aggregation phenomena of polyoxyethylene sorbitane monooleate (polysorbate 80) in pig gastrointestinal mucin and mucus.

Langmuir, 2007
The aqueous environment in the gastrointestinal tract frequently requires solubilization of hydrophobic drug molecules in appropriate drug delivery vehicles.
G. Lafitte, K. Thuresson, P. Jarwoll, M. Nydén   +3 more
semanticscholar   +1 more source