A key challenge in the fabrication of ferromagnetically filled carbon nano-onions (CNOs) is the control of their thickness, dimensions and electric properties. Up to now literature works have mainly focused on the encapsulation of different types of ferromagnetic materials including α-Fe, Fe3C, Co, FeCo, FePd3 and others within CNOs. However, no report has yet shown a suitable method for contro...

Alginate microparticles and nanoparticles crosslinked with Ca+2 ions are frequently employed in biomedical applications. Here we use microemulsion polymerization to prepare alginate nanoparticles (nanogels) using different crosslinking ions (Ca+2, Sr+2, Ba+2) to encapsulate a model protein, urease enzyme (jackbeans). With alginate concentrations of 0.2wt% in the aqueous phase, emulsion droplets...

The immobilization of potassium sorbate, potassium aspartate and sorbic acid in layered double hydroxide under solid condition was examined. By simply mixing two solids, immobilization of sorbate and aspartate in the interlayer space of nitrate-type layered double hydroxide, so called intercalation reaction, was achieved, and the uptakes, that is, the amount of immobilized salts and the interla...

Abstract Corrosion and its protection are one of the major challenges that faced by industries. To overcome this, new coatings with characteristic properties which environmentally friendly introduced. A cost-effective most reliable way corrosion is via barrier coatings, in water-based epoxy showed significant resistance. Although coating creates a between metal corroding ions, there chance leak...

OBJECTIVE The goal of the present study was to formulate topical nanocarriers of the low-cost vasodilator, papaverine hydrochloride (PH), as an alternative to the painful penile injections. The injections are used for both diagnosis and treatment of erectile dysfunction. Transdermal nano-transferosome (T), the ultraflexible nanoliposome, was used as a nanocarrier to enhance the penetration of t...

Theoretical analysis and Computer simulations have proven to be cost-effective and powerful tools in scientific studies of materials, particularly at nano-scale where synthesis of nano-structures, interpretation of their observed character and exploration of new structures are not always straight forward. We present here fundamental principles of techniques used today for computational simulati...

Electrospinning is the technique in which a high voltage applied across polymer solution enables the production of fibers of thickness in nanofibers, from a few nm to 100s of nm. The polymer solution could be therapeutic for cancer drug delivery, etc. Electro spinning enables to directly engineer Nano fibers that have many advantages as local drug delivery vehicles for therapeutic molecules [1,...

When lipid-directed assembly of silicic acid precursors is conducted in the presence of living cells, the cells intervene, surrounding themselves with a fluid, multilayered lipid vesicle that interfaces coherently with an ordered silica mesophase. This bio/nano interface is unique in that its uniform nanostructure prevents excessive drying of water, maintaining cell viability, yet provides acce...

The aim of this research was to investigate the effect of the duration of ultrasonication energy on the physicochemical characteristics of the nano-sized particulate drug delivery systems. For this purpose, meloxicam-loaded vitamin E d-α-tocopheryl polyethylene glycol 1000 succinate (TPGS)-emulsified poly (D,L-lactide-co-glycolide) (PLGA) nanoparticles were designed by using ultrasonication-sol...

We have developed a method that enables the efficient insertion of transition-metal atoms and their small clusters into carbon nanotubes. As a model system, Os complexes attached to the exterior of fullerene C60 (exohedral metallofullerenes) were shown to be dragged into the nanotube spontaneously and irreversibly due to strong van der Waals interactions, specific to fullerenes and carbon nanot...