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Carboxylated acrylonitrile butadiene rubber (XNBR) latex was filled with surface modified precipitated silica. Surface modification of silica was affected in an aqueous medium by reacting with a synthetic polymer (SP) containing both hydrophilic and hydrophobic groups. The effectiveness of SP in enhancing reinforcing action of silica in XNBR latex films was evaluated through investigation of mechanical...
Research on polymer nanocomposites promises to create a new class of materials with enhanced dielectric properties. This paper reports on the study of polystyrene systems filled with hexagonal boron nitride (BN) nanoparticles. The polymer nanocomposite materials were produced using a solvent blending procedure, where some of the materials were produced using dichloromethane (DCM) as the solvent and...
Lamellarin N (Lam N) is a member of an interesting marine natural product class isolated from mollusks and subsequently found in ascidians and sponges. The limited aqueous solubility of Lam N hinders further studies on its cytotoxic activity against cancer cells. In this study, micelles comprising poly(ethylene glycol)-block-poly(ε-caprolactone) (PEG-b-PCL) and poly(ethylene glycol)-block-poly(D,...
Biodegradable polymer polycaprolactone (PCL; Mw~100,000) fiber mats containing shikonin from the plant Lithospermumerythrorhizon, widely known for its wound healing, anti-tumor, antioxidant, and anti-inflammatory properties, were prepared via electrospinning method. Incorporation of shikonin in the neat PCL solution did not affect the morphology of the resulting fibers, as both the neat and the shikonin-loaded...
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