• No results found

colloidal dispersions

Effects of Particle Size Ratio on Single Particle Motion in Colloidal Dispersions

Effects of Particle Size Ratio on Single Particle Motion in Colloidal Dispersions

... microrheology: colloidal dispersions. Colloidal dispersions are a quintessential model for a complex ...Hard-sphere colloidal dispersions exhibit rheopectic and thixotropic ...

112

Aqueous Colloidal Dispersions with Grafted Poly(ethylene Oxide) Chains: Synthesis, Microstructure, and Rheology

Aqueous Colloidal Dispersions with Grafted Poly(ethylene Oxide) Chains: Synthesis, Microstructure, and Rheology

... Rheological and dynamic light scattering measurements on aqueous, PEO- stabilized PS colloidal dispersions have confirmed a thermoreversible transition from a sol state to a gel state as temperature is ...

155

Particle motion in colloidal dispersions: applications to microrheology and nonequilibrium depletion interactions

Particle motion in colloidal dispersions: applications to microrheology and nonequilibrium depletion interactions

... Colloidal dispersions composed of micrometer-sized particles suspended in a viscous fluid are ubiquitous in everyday life; paints, emulsions, inks, slurries, and foodstuffs being but a few ...as ...

263

Colloidal Dispersions for the Delivery of Acyclovir: A Comparative Study

Colloidal Dispersions for the Delivery of Acyclovir: A Comparative Study

... Both colloidal systems were morphologically characterized by cryo-transmission electron ...both colloidal systems in enhancing the diffusion of the ...results, colloidal systems could be interesting ...

7

Dynamic response studies on aggregation and breakage dynamics of colloidal dispersions in stirred tanks

Dynamic response studies on aggregation and breakage dynamics of colloidal dispersions in stirred tanks

... As was shown here as well as in our previous work (10), the steady state CMD of the system investigated here is controlled by a dynamic equilibrium between second order aggregation and first order breakage. In addition, ...

12

Development and characterization of biocompatible isotropic and anisotropic oil-in-water colloidal dispersions as a new delivery system for methyl dihydrojasmonate antitumor drug

Development and characterization of biocompatible isotropic and anisotropic oil-in-water colloidal dispersions as a new delivery system for methyl dihydrojasmonate antitumor drug

... Abstract: Microemulsions (MEs) are colloidal systems that can be used for drug-delivery and drug-targeting purposes. These systems are able to incorporate drugs modifying bioavailability and stability and reducing ...

10

Jamming and unjamming of concentrated colloidal dispersions in channel flow

Jamming and unjamming of concentrated colloidal dispersions in channel flow

... dispersions are therefore, well known. Where the particles are reasonably monodisperse (s # 8%) and the sample is left to stand, crystallization will occur at particle concentrations above f ¼ 0.494. Above f 0.58 ...

6

In Vivo Imaging of Local Gene Expression Induced by Magnetic Hyperthermia

In Vivo Imaging of Local Gene Expression Induced by Magnetic Hyperthermia

... that colloidal dispersions of magnetic iron oxide nanoparticles stabilized with dextran macromolecules placed in an alternating magnetic field can not only produce heat, but also that these particles could ...

13

Properties and Uses of Colloids: A Review

Properties and Uses of Colloids: A Review

... The colloidal solutions or colloidal dispersions are intermediate between true solutions and ...a colloidal dispersion is more than that of the solute particles in a true solution and smaller ...

5

Phase and Rheological Behavior of High Concentration Colloidal Hard Sphere and Protein Dispersions

Phase and Rheological Behavior of High Concentration Colloidal Hard Sphere and Protein Dispersions

... of colloidal (Brownian) particles is not defined rigidly, but generally is considered to range from 1 nm to 1 µm (Russel and others ...of colloidal and non- colloidal ...those dispersions. In ...

21

Formulation Development and Evaluation of Cinnarizine Nasal Spray

Formulation Development and Evaluation of Cinnarizine Nasal Spray

... loaded colloidal dispersions were prepared for nasal drug delivery using various polymers like β-cyclodextrin, hydroxyl propyl β- cyclodextrin at different ...

8

Fabrication of Graphene Oxide Thin Films on Transparent Substrate via a Low-Voltage Electrodeposion Technique

Fabrication of Graphene Oxide Thin Films on Transparent Substrate via a Low-Voltage Electrodeposion Technique

... of colloidal dispersions and provides a measure of the magnitude and sign of the effective surface charge associated with the double layer around colloidal ...high colloidal stability for ...

5

Effects of MWCNTs Dispersion on the Microstructure of Sol-Gel Derived Hydroxyapatite

Effects of MWCNTs Dispersion on the Microstructure of Sol-Gel Derived Hydroxyapatite

... aqueous colloidal dispersions of CNTs were obtained with the aid of ethanol) and the application of sol-gel process and its effects on the microstructure were ...

11

The role of colloidal material in the fate and cycling of trace metals in estuarine and coastal waters

The role of colloidal material in the fate and cycling of trace metals in estuarine and coastal waters

... Eisma and Li (1993) observed systematic alteration of floe sizes during the tidal cycle in the Dollard estuary. They suggested that this was a result of floe settling at slack tide, resuspension during early ebb and ...

426

A colloidal probe microscopy study of cellulose/gypsum interactions

A colloidal probe microscopy study of cellulose/gypsum interactions

... cellulose colloidal probes and gypsum crystal faces, it was necessary to attach the crystal to glass ...the colloidal probe was brought into contact at five different locations on at least two different ...

8

NANO GOLD PARTICLES - A NEW MILESTONE IN ONCOLOGY

NANO GOLD PARTICLES - A NEW MILESTONE IN ONCOLOGY

... to antibodies, it may also be directly coupled to almost any protein, peptide, carbohydrate, or molecule of interest, including molecules which do not adsorb to colloidal gold. This increases the range of probes ...

13

Fredericksz transition threshold in nematic liquid crystals filled with ferroelectric nano particles

Fredericksz transition threshold in nematic liquid crystals filled with ferroelectric nano particles

... uniform colloidal suspension of ferroelectric submicron particles embedded in a liq- uid crystalline ...the colloidal particle and the liquid crystalline director to be sufficiently strong that the particle ...

8

Antibody Conjugated Gold Nanoparticles for Detection of Small Amounts of Antigen Based on Surface Plasmon Resonance (SPR) Spectra

Antibody Conjugated Gold Nanoparticles for Detection of Small Amounts of Antigen Based on Surface Plasmon Resonance (SPR) Spectra

... In summary, the main goal of this project was to optimize of AuNPs -antibody conjugates and accordingly, essential factors such as colloidal gold pH and antibody concentration which had impact on the optimized ...

7

ENHANCEMENT OF SOLUBILITY OF POORLY WATER SOLUBLE DRUG – METRONIDAZOLE BY HYDROTROPY

ENHANCEMENT OF SOLUBILITY OF POORLY WATER SOLUBLE DRUG – METRONIDAZOLE BY HYDROTROPY

... solid dispersions (Solvent evaporation and Melting method) were carried out in USP XXIV type II apparatus (Peddle Type) using 900ml of phosphate Buffer (pH ...

6

Colloidal Behavior of Polyampholytes

Colloidal Behavior of Polyampholytes

... and colloidal charge groups ...or colloidal cationic and anionic species did not appear to coexist, based on results from the streaming current titration ...

107

Show all 902 documents...

Related subjects