We perform multiple particle tracking (MPT) on a thermally-gelling oil-in-water nanoemulsion system. Carboxylated and plain polystyrene probes are used to investigate the role of colloidal probe size and surface chemistry on MPT in the nanoemulsion system. As temperature increases, hydrophobic groups of PEG-based gelators (PEGDA) partition into the oil/water interface and bridge droplets. This ...

series (11) will present the synthesis chemistry of silica sols Silica-based microporous membranes can be successfully proto make unsupported membranes with predictable pore size/ cessed by sol–gel techniques. However tailor making of such memporosity. This article aims to give a detailed account of small branes is still not possible because of the unavailability of systemangle X-ray scattering...

486 Use of low-angle laser light scattering with gel permeation chromatography for the molecular mass determination of biomolecules K. Jumel,* P. Br0wne.t and J. F. Kennedy# *Chembiotech Ltd, Institute of Research and Development, Vincent Drive, Edgbaston, Birmingham B I5 2sQ, U.K.; tLDC Analytical, Diamond Way, Stone Business Park, Stone, Staffs STI 5 OHH, U.K. and $Research Laboratory for the...

Aloe vera is considered as a cosmeceutical herb i.e. a blend of cosmetic and pharmaceutical product. The gel from its leaves finds a wide range of cosmetic and therapeutic applications which include anti-wrinkle creams, moisturizers, sunscreens, haircare products and wound healing, treatment of burns, frostbite, inflammation, diabetes and cancer. It is also used as protective against radiation ...

We match a few non chiral operators in the electric and magnetic descriptions of SQCD, suggesting the first evidence of electric-magnetic duality outside the chiral ring. Algebraically, these non chiral operators are a module of the chiral ring. Physically, the suggested correspondence essentially transforms certain electric gauge invariant composites containing the electric field strength into...

In agreement with recent reports, a commercial densimeter has yielded a gradual decrease in lipid molecular volume of DPPC multilamellar vesicle dispersions in the gel phase upon repeated thermal cycling between 10 °C and 50 °C. The considerable size of this decrease would have significant implications for the physical chemistry of biomembranes. In contrast, neutral buoyancy measurements perfor...

S ol-gel chemistry provides a novel production route for ceramics and composites that have a variety of applications in medicine, biology, and biochemistry. Advantages of sol-gel-derived materials in these applications include simple, low temperature production routes that are capable of achieving temperature, chemical, and radiation-inert porous materials with a wide range of structural and mi...

Gel electrophoresis is a widely known group of techniques used to separate and identify macromolecules as DNA, RNA, or proteins based on size, form, or isoelectric point. The separation of molecules by electrophoresis is based on the fact that charged molecules migrate through a gel matrix upon application of an electric field. These techniques have become a main tool in biochemistry, molecular...

An one-step, fast and potential low cost process has been developed to fabricate silica like glass nanostructures by combining sol-gel chemistry and thermal nanoimprint. An inorganic-organic sol-gel thin film is patterned at low pressure and temperature with flexible stamps. Various geometries are achieved with a patterning resolution of about 150 nm and patterns aspect ratio higher than 4. To ...

Several samples of mesoporous silica were prepared via sol-gel chemistry in the presence of CTAB as template with variation of stirring intensity and aging time, ratios of CTAB/SiO2 and NH4OH/H2O in synthesis mixture. Effects of aging temperature, hydrothermal treatment and ter-Butanol addition to the synthesis mixture on the textural properties of obtained samples were also studied. Results of...