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Despite the great potential of graphene as a nanofiller, achieving homogeneous dispersion remains the key challenge for effectively reinforcing polyolefin (such as polyethylene (PE) and polypropylene (PP)) nanocomposites. Therefore, in this research, we report a facile combined in situ polymerization and masterbatch method for fabricating PP/reduced graphene oxide (rGO) nanocomposites. In the p...

A fourth-generation Ziegler-Natta catalyst was prepared to synthesize polypropylene (PP), which was stabilized by in situpolymerization employing lignin as antioxidant. The antioxidant properties of lignin were compared with those of the commercial antioxidant Irganox 1010. The presence of lignin in the reaction medium slightly decreased the catalytic activity of the reaction. The isotacticity ...

Background: Literature review shows that there are not sufficient data about polyphenolic compounds of peel of Iranian pomegranate. So, this work was mainlyundertaken to determine phenolic compounds and antioxidant activity of dried peel of Iranian pomegranate. Methods: Pomegranate fruits were obtained from mature fruits grown in Saveh, Iran and the Pomegranate Peel (PP) were dried with three ...

Siddha system is one of the pioneer systems of medicine among traditional medicine practices in India (Sambasivam Pillai,1993). There are many formulations prescribed by the ancient Siddhars. Unique way of prescribing medicines by this system draws attention worldwide for keen research in drugs for reverse pharmacology manner. In this modern era there are number of new drug inventions are going...

In the context of conformal gravity with spontaneously broken local conformal invariance we prove a non-renormalization theorem for any fixed value of the cosmological constant and we study the classical stability of the background solutions which correspond to maximally symmetric spaces. (Published in Nuclear Physics B261 (1985) pp. 157-171) * Work supported in part by the Department of Energy...

Sullivan et al. Inhibition of the Inflammatory Action of Interleukin-1 and Tumor Necrosis Factor (Alpha) on Neu trophil Function by Pentoxifylline, Infection and Immunity, vol.56:1722-1729 (1988). Strieter et al. Cellular and Molecular Regulation of Tumor Necrosis Factor Alpha Production by Pentoxifylline. Bio chemical and Biophysical Research Communication vol. 155:1230-1236 (1988). Schade. Ul...