The aim of the present work was to investigate poloxamer 188 (F-68) modified montmorillonite (Mt) clay as an oral drug delivery vehicle for in vitro release of anti-inflammatory drugdiclofenac sodium (DS). The clay (Mt) was treated with F-68 and the synthesized modified Mt, (F-68-Mt) was characterized by X-Ray diffraction (XRD) studies (which confirmed the intercalation of F-68 in the clay inte...

Nanoclays are new generation of processed clays of interest in a wide range of high performance composites. In other words, nanoclay is defined as a clay that can be modified to make the clay complexes compatible with organic monomers and polymers. Here, it can be said that the polymeric nanocomposites are among the most exciting and promising classes of materials discovered recently. A number ...

Two natural clays (kaolinite and montmorillonite) were deposited onto a platinum electrode surface using two deposition techniques and under different experimental variables. For both clays, the percentages of surface coverage (%y) were optimized in the 75 96% range. A greater surface coverage was observed at higher temperatures for both clays, which confirms the endothermic nature of the depos...

Water-repellent soils have a potential as alternative construction materials that will improve conventional geotechnical structures. In this study, the potential of chemically treated water-repellent kaolin clay as a landfill cover material is explored by examining its characteristics including hydraulic and mechanical properties. In order to provide water repellency to the kaolin clay, the sur...

Biomimetic architectural assembly of clay nanotube shells on yeast cells was demonstrated producing viable artificial hybrid inorganic-cellular structures (armoured cells). These modified cells were preserved for one generation resulting in the intact second generation of cells with delayed germination.

A new surface based on the natural clay mineral sepiolite and a single-walled carbon nanotubes-modified graphite electrode was developed for the electrochemical detection of DNA, and also for anticancer drug-DNA interactions.

Shales are defined as fine-grained terrigenous sediments and rocks that contain 50% or more of terrigenous, and generally argillaceous, clastic components less than 0.062 mm in size. In the shales, clay-size components often dominate their rock properties, such as density, plasticity, parting, compatibility and swelling. Generally the size boundary between clay and silt is 4μm, but most clay mi...

Polymer-modified bentonite has reached significant attention in recent years, as polymers have been found to increase the resistance of clay barriers detrimental environmental conditions. Studies on polymer modification clays for barriers, most cases, address a specific with means based product. The term polymer, however, generally describes broad category macromolecules able create wide range ...