Browsing by Author "Demirtas, Ibrahim"
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Assessment of exposure to tobacco smoke: measurement of exhaled carbon monoxide and hair nicotine
Doruk, Sibel; Demirtas, Ibrahim; Aksit, Huseyin; Erkorkmaz, Unal; Seyfikli, Zehra (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2012)Aim: To investigate the effect of tobacco smoke (TS) exposure on the quantity of exhaled carbon monoxide (eCO) and hair nicotine (HN) and to evaluate the relationship between these values. Materials and methods: Included ... -
Crystal structure and Hirshfeld surface analysis of 2-oxo-13-epi-manoyl oxide isolated from Sideritis perfoliata
Celik, Ismail; Atioglu, Zeliha; Aksit, Huseyin; Demirtas, Ibrahim; Erenler, Ramazan; Akkurt, Mehmet (INT UNION CRYSTALLOGRAPHY, 2018)The title compound, C20H32O2 (systematic name: 3-ethenyl-3,4a,7,7,10a-pentamethyldodecahydro-9H-benzo[f]chromen-9-one), was isolated from Sideritis perfoliata. In the crystal, molecules pack in helical supramolecular chains ... -
Crystal structure of 3,4a, 7,7,10a-pentamethyl-3-vinyldodecahydro-1H-benzo[f]chromen-9-ol isolated from Sideritis perfoliata
Celik, Ismail; Ersanli, Cem Cuneyt; Koseoglu, Rahmi; Aksit, Huseyin; Erenler, Ramazan; Demirtas, Ibrahim; Akkurt, Mehmet (INT UNION CRYSTALLOGRAPHY, 2016)The asymmetric unit of the title compound, C20H34O2, contains two crystallographically independent molecules (1 and 2) with similar conformations. In both molecules, the cyclohexane rings adopt a chair conformation, while ...