Yazar "Khan, Shabana I." için listeleme
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Antimicrobial compounds from Pimpinella species growing in Turkey
Tabanca, Nurhayat; Bedir, E; Kırımer, Neşe; Başer, K. Hüsnü Can; Khan, Shabana I.; Jacob, Melissa R.; Khan, Ikhlas A. (Georg Thieme Verlag Kg, 2003)A new, 4-(2-propenyl)-phenyl angelate (1) and four known phenylpropanoids (2-5), were isolated from Pimpinella isaurica, a species endemic in Turkey. One new sesquiterpene, 1-methyl-4-(5-methyl-1-methylenehex-4-enyl)-7-o ... -
Characterization of volatile constituents of Scaligeria tripartita and studies on the antifungal activity against phytopathogenic fungi
Tabanca, Nurhayat; Demirci, Betül; Başer, K. Hüsnü Can; Mincsovics, Emil; Khan, Shabana I.; Jacob, Melissa R.; Wedge, David E. (Elsevier Science BV, 2007)The chemical composition of the essential oils obtained from stems and leaves, fruits and roots of Scaligeria tripartita oil was analyzed by gas chromatography-mass spectrometry. A total of 38 compounds were identified ... -
Chemical composition and antifungal activity of Salvia macrochlamys and Salvia recognita essential oils
Tabanca, Nurhayat; Demirci, Betül; Başer, K. Hüsnü Can; Aytaç, Zeki; Ekici, Murat; Khan, Shabana I.; Wedge, David E. (American Chemical Society, 2006)Essential oils of Salvia macrochlamys and Salvia recognita were obtained by hydrodistillation of dried aerial parts and characterized by gas chromatography and gas chromatography-mass spectrometry. One hundred and twenty ... -
Chemical composition and biological evaluation of the essential oil of Commiphora opobalsamum L.
Al-Massarany, S. M.; Abbas, F. A.; Demirci, Betül; Başer, K. Hüsnü Can; Khan, Shabana I.; Al-Rehaily, A. J.; Abourashed, E. A. (2008)The chemical composition of three essential oil samples (stored aerial parts, fresh aerial parts, and fresh flowering tops) of Commiphora opobalsamum L., obtained by hydrodistillation, was determined using GC-MS analysis. ... -
Chemical composition, biting deterrent, antimalarial and antimicrobial activity of essential oil from Hypericum scabrum L
Tabanca, Nurhayat; Demirci, Betül; Ali, Abbas; Khan, Shabana I.; Jacob, Melissa R.; Aytaç, Zeki; Khan, Ikhlas A. (Bentham Science Publishers B.V., 2015)Water-distilled essential oil from aerial parts of Hypericum scabrum L. (Hypericaceae) collected from the central part of Turkey was analyzed by GC/MS. It was characterized by ?-pinene (74%), ß-pinene (4.8%) and myrcene ... -
Comparative Study of Three Achillea Essential Oils from Eastern Part of Turkey and their Biological Activities
Demirci, Betül; Başer, K. Hüsnü Can; Aytaç, Zeki; Khan, Shabana I.; Jacob, Melissa R.; Tabanca, Nurhayat (Acg Publications, 2018)Essential oils obtained by hydrodistillation were analyzed both by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The main constituents found in Achillea oil were as follows: A. filipendulina ... -
Effect of essential oils and isolated compounds from Pimpinella species on NF-kappa B: A target for antiinflammatory therapy
Tabanca, Nurhayat; Ma, Guoyi; Pasco, David S.; Bedir, Erdal; Kırımer, Neşe; Başer, K. Hüsnü Can; Khan, Shabana I. (John Wiley & Sons LTD, 2007)Pimpinella essential oils and isolated compounds were screened for their inhibitory activity against NF-kappa B mediated transcription in SW1353 cells. Twelve oils were effective in inhibiting NF-kappa B mediated transcription. ... -
Gas chromatographic-mass spectrometric analysis of volatiles obtained by four different techniques from Salvia rosifolia Sm., and evaluation for biological activity
Özek, Gülmira; Demirci, Fatih; Özek, Temel; Tabanca, Nurhayat; Wedge, David E.; Khan, Shabana I.; Hamzaoğlu, Ergin (Elsevier Science BV, 2010)Four different isolation techniques, conventional hydrodistillation (HD), microwave-assisted hydrodistillation (MWHD), microdistillation (MD) and micro-steam distillation-solid-phase microextraction (MSD-SPME), have been ... -
Inhibition of NF-kappa B-mediated transcription and induction of apoptosis in human breast cancer cells by epoxypseudoisoeugenol-2-methyl butyrate
Ma, Guoyi; Tabanca, Nurhayat; Başer, K. Hüsnü Can; Kırımer, Neşe; Pasco, David S.; Khan, Ikhlas A.; Khan, Shabana I. (Springer, 2009)Purpose Breast cancer is one of the most prevalent woman cancers. Genomic instability, accumulative mutations, and subsequent changes in intracellular signaling cascades play key roles in the development of human breast ... -
Synthesis and biological activity of hydrazide-hydrazones and their corresponding 3-acetyl-2,5-disubstituted-2,3-dihydro-1,3,4-oxadiazoles
Koçyiğit-Kaymakçıoğlu, Bedia; Oruç-Emre, Emine Elçin; Ünsalan, Seda; Tabanca, Nurhayat; Khan, Shabana I.; Wedge, David Earl; Rollas, Sevim (Springer Birkhauser, 2012)Various 3-acetyl-2,5-disubstituted-2,3-dihydro-1,3,4-oxadiazoles (11-20) were prepared by the reaction of aryl substituted hydrazones of 4-fluorobenzoic acid hydrazide (1-10) with acetic anhydride. The structures of the ... -
Synthesis and Biological Evaluation of Some Hydrazone Derivatives as Anti-inflammatory Agents
Kaplancıklı, Zafer Asım; Altıntop, Mehlika Dilek; Özdemir, Ahmet; Turan, Gülhan; Khan, Shabana I.; Tabanca, Nurhayat (Bentham Science Publ LTD, 2012)In the present study, some hydrazone derivatives were synthesized via the reaction of 3-cyclohexylpropionic acid hydrazide with various benzaldehydes. The chemical structures of the compounds were elucidated by spectroscopic ... -
Synthesis and the selective antifungal activity of 5,6,7,8-tetrahydroimidazo[1,2-a]pyridine derivatives
Özdemir, Ahmet; Turan, Gülhan; Kaplancıklı, Zafer Asım; İşcan, Gökalp; Khan, Shabana I.; Demirci, Fatih (Elsevier France-Editions Scientifiques Medicales Elsevier, 2010)Even though there are new classes of compounds now frequently used in treatment of fungal infections, the density of deeply invasive candidiasis has increased at least 10-fold during the past decade. Furthermore, many ...
