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Aydin, Suleyman,Ozercan, I brahim Hanefi,Geckil, Hikmet,Dagli, Ferda,Aydin, Suna,Kumru, Sinem,Kilic, Nermin,Sahin, I brahim,Ozercan, Mehmet Resat Korean Society for Biochemistry and Molecular Biol 2007 Journal of biochemistry and molecular biology Vol.40 No.3
Ghrelin belongs to the family of a gut-brain hormone that promotes food intake and controls energy balance. Recently, it has also been shown to regulate bone formation directly. Dental tissue shares several functional, developmental and anatomical similarities with bone, and in the present study we have investigated the presence of ghrelin in 44 human teeth using immunocytochemistry and radioimmunoassay. Both methods showed that the hormone is present in canines and molars, mainly in the odontoblasts but also in the pulp. Ghrelin could potentially play interesting physiological roles in teeth.
Taner Alatas,Mesude Yilmaz,Necati Kuloglu,Mehmet Cakiroglu,Tacettin Geckil 대한토목학회 2014 KSCE JOURNAL OF CIVIL ENGINEERING Vol.18 No.7
In this study, modified bitumens were prepared by mixing two types of Styrene-Butadiene-Styrene (SBS-D and SBS-M) and Ethylene-Vinyl-Acetate (EVA) with B 160/220 base bitumen 3% by weight. The short- and long-term aging processes were applied to base and modified binders with rolling thin film oven test and pressure aging vessel, respectively. Dynamic Shear Rheometer (DSR) test conducted at different temperatures and frequencies showed that while the shear complex modulus (G*) of unaged, short- and long-term aged binders reduced, the phase angle (δ) of those increased. The shear complex modulus values increased and the phase angle values decreased by the effect of aging and increase in frequency. The G*/sinδ values increased with the addition of modifiers to the base bitumen. Comparison of modifiers demonstrated that the effective modifier type shows variety according to frequency, temperature and aging conditions.