Yazar "Yaylı, Nuran" için listeleme
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Antimicrobial activity and essential oil compositions of two Ranunculus species from Turkey: R. constantinopolitanus and R. arvensis
Terzioğlu, S.; Yaşar, Ahmet; Yaylı, Nuran; Yılmaz, Nagihan; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2008)The isolated essential oils of Ranunculus constantinopolitanus and Ranunculus arvensis were tested for antimicrobial activity against the bacteria E. coli, K. pneumoniae, P. aeruginosa, E. faecalis, S. aureus, B. cereus ... -
Chemical composition and antimicrobial activities of the essential oil from the flowers of Delphinium formosum
The essential oil from the flowers of Delphinium formosum Boiss. et Huet. (Ranunculaceae) was obtained by hydrodistillation in a Clevenger-type apparatus and analyzed by GC-MS. 68 Components were identified in the oil. The ... -
Chemical composition and antimicrobial activities of the essential oils of Viburnum opulus, Viburnum lantana and Viburnum orientala
Yılmaz, Nagihan; Yaylı, Nuran; Mısır, Gülbin; Çoskunçelebi, Kamil; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2008)The composition of the essential oils obtained from the air-dried Viburnum opulus and Viburnum lantana were analyzed by GC-MS. 40 and 53 Components were identified in the essential oils and the main component of these ... -
Chemical composition and antimicrobial activity of essential oils from Centaurea appendicigera and Centaurea helenioides
Yaylı, Nurettin; Yaşar, Ahmet; Yaylı, Nuran; Albay, Canan; Aşamaz, Yaprak; Coşkunçelebi, Kamil; Karaoğlu, Şengül (Taylor & Francis LTD., 2009)The chemical components and antimicrobial activity of the essential oils from Centaurea appendicigera C. Koch and Centaurea helenioides Boiss, two different endemic members of the genus Centaurea L. (Asteraceae), were ... -
Chemical constituents and antimicrobial activities of the essential oils from Sedum pallidum var. bithynicum and S. spurium grown in Turkey
Yaylı, Nuretin; Yaşar, Ahmet; İskender, Nagihan Yılmaz; Yaylı, Nuran; Cansu, Tayyibe Beyza; Coşkunçelebi, Kamil; Karaoğlu, Şengül Alpay (Taylor&Francis LTD., 2010)Chemical compositions of the essential oil of Sedum pallidum Bieb. var. bithynicum (Boiss.) and S. spurium Bieb. (Crassulaceae) from Turkey were investigated by GC-MS, and antimicrobial activity of the oil samples were ... -
Essential oil compositions of four mushrooms: Scleroderma verrucosum, Cortinarius infractus, Hypholama capnoides and Hypholama fasciculare from Turkey
The chemical composition of the essential oils obtained from four varieties of Mushrooms, ie. Scleroderma verrucosum, Cortinarius infractus, Hypholama capnoides and Hypholama fasciculare were analyzed by GC-MS. 13, 36, 8 ... -
Photochemistry of nitro-substituted (E)-2-azachalcones with theoretical calculations and biological activities
Yaylı, Nurettin; Üçüncü, Osman; Yaşar, Ahmet; Yaylı, Nuran; Burnaz, Nesibe Arslan; Karaoǧlu, Şengül Alpay; Küçük, Murat (Elsevier, 2009)Four new stereoselective dimerization products (4a-c, 5) of m- and p-nitro-substituted (E)-2-azachalcones (2 and 3) were synthesized and tested for antimicrobial and antioxidant activities. Compounds 1-3 showed very good ... -
Photodimerizations of hydroxy- and benzoylated 4-azachalcones and quantum chemical investigation of the reactions
Yaşar, Ahmet; Yaylı, Nuran; Usta, Asu; Yaylı, Nurettin (Springer Link, 2010)Photodimerization reactions of compounds 4-6 gave four new cyclobutane-containing compounds (7-9) with full control over the stereochemistry at the four stereogenic centers. These new cyclobutane- containing compounds had ... -
Synthesis of methyl (E)-2′,4″-thiazachalcones and their N-alkyl derivatives, photochemistry with theoretical calculations and antimicrobial activities
Usta, Asu; Yaşar, Ahmet; Yaylı, Nuran; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (TUBİTAK, 2009)A series of 9 new (E) -thiazachalcones (1-3), and their N -alkyl substituted derivatives (4-6), and stereoselective dimerization products (7-9) were synthesized, then tested for antimicrobial activity against all test ... -
Synthesis, Configuration, and Antimicrobial Properties of Novel Substituted and Cyclized ‘2′,3″-Thiazachalcones’
Usta, Asu; Yaşar, Ahmet; Yılmaz, Nagihan; Güleç, Canan; Yaylı, Nuran; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Wiley, 2007)Nine new thiazachalcone-based drugs, compounds 1-9, were prepared and fully characterized. The configurations of the photochemical-dimerization products 7-9 were rationalized by semi-empirical calculations. Both the ...
