acrylic-type polymeric systems having degradable ester bonds linked to ibuprofen were synthesized and evaluated as materials for drug delivery. ibuprofen, as a non-steroidal anti-inflammatory drug, was linked to 2-hydroxyethyl methacrylate by activated ester methodology in one-pot procedure. the resulting methacrylic derivative of ibuprofen was copolymerized with 2-hydroxyethyl methacrylate and...

aqueous polymer quenchants are being used increasingly in steel heat treatment industries as a substitution for conventional quenchants. by adjusting the quench parameters of the polymeric media, it is possible to achieve desirable microstructure and mechanical properties in addition to reduction in distortion and cracking. in this work, polyalkylene glycol (pag) aqueous solution was used as th...

Polymeric micelles, which form upon self-assembly of amphiphilic macromolecules, can act as vehicles for the oral delivery of these drugs. This manuscript.This review summarizes recent developments related to targeted anticancer drug delivery to tumor sites using polymeric micelles via active and passive.approach in the field of polymeric drug delivery systems was introduced by the. Functionali...

Drug delivery systems comprising vesicles prepared from one amphiphile encapsulating vesicles prepared from a second amphiphile have not been prepared previously due to a tendency of the bilayer components of the different vesicles to mix during preparation. Recently we have developed polymeric vesicles using the new polymer-palmitoyl glycol chitosan and cholesterol in a 2:1 weight ratio. These...

in this work, we report synthesis and characterization of copper nanoparticles in polymer matrix by wet-chemical reduction method using ascorbic acid as reducing agent, copper (ii) sulfate as metal precursor and polyvinylpyrrolidone k-30 (pvp k-30) as surfactant agent. the reaction was carried out in a high-speed stirring mixture at room temperature under nitrogen atmosphere. characterization o...

carbon membrane can be produced using a wide variety of polymer precursor materials via heat treatment process. a general concept route of precursor selection-preparation-modification-performance analysis platform for the carbon membrane has been proposed to promote the development of carbon membrane material for a wide range of application. the current review considers the recent progress of c...

due to the importance of the plant extracts and classification of them as gras, blending them with food packaging materials based on dietary biopolymers attracts a great attention recently. polysaccharides (eg. chitosan, alginate) and proteins (such as soy and whey protein isolate, gelatin and zein) act as polymeric carriers for transporting a variety of bio active extracts like green tea extra...

Conventional transdermal drug delivery systems (TDDS) have been designed for drug delivery through the skin. These systems use the permeability property of stratum corneum, the outermost surface layer of the skin. Applying polymeric micro and nanofibers in drug delivery has recently attracted great attention and the electrospinning technique is the preferred method for polymeric micro-nanofiber...

Some recent developments in the preparation of polymeric reagents and their use in various chemical reactions are described. Improved polymeric acyl transfer reagents were prepared. They possess good mechanical properties and are therefore easy to handle and pure products are obtained by their use. With one of these polymeric reagents pure peptides may be obtained in high yield in reactions las...