Yazar "Karaoǧlu, Şengül Alpay" için listeleme
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Altitude variation in the composition of essential oils, fatty acid methyl esters, and antimicrobial activities of two subspecies of primula vulgaris grown in Turkey
Yaylı, Nurettin; Tosun, Gonca; Yaylı, Büşra; Gündoǧan, Zeynep; Coşkunçelebi, Kamil; Karaoǧlu, Şengül Alpay (Natural Product Incorporation, 2016)In this study, the changes caused by variation of altitude to the essential oils (EOs), fatty acid methyl esters (FAMEs), and antimicrobial activities of Primula vulgaris Huds. subsp. vulgaris (Pvv) and P. vulgaris Huds. ... -
Antimicrobial activity and chemical composition of the essential oils of mosses (Hylocomium splendens (Hedw.) Schimp. and Leucodon sciuroides (Hedw.) Schwägr.) growing in Turkey
Cansu, Tayyibe Beyza; Yaylı, Büşra; Özdemir, Turan; Batan, Nevzat; Karaoǧlu, Şengül Alpay; Yaylı, Nurettin (TÜBİTAK, 2013)In the present work, the volatiles of mosses [Hylocomium splendens (Hedw.) Schimp. (Hylocomiaceae) and Leucodon sciuroides (Hedw.) Schwägr. (Leucodontaceae)] have been investigated by GC-FID and GC/MS. Fifty-eight compounds ... -
Chemical composition and antimicrobial activity of the essential oils from the flower, leaf, and stem of Senecio pandurifolius
The essential oils from the fresh flower, leaf, and stem of Senecio pandurifolius (Asteraceae) were isolated by hydrodistillation in a Clevenger-type apparatus, and characterized by GC-FID and GC-MS. A total of forty-five, ... -
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 ... -
Synthesis and antimicrobial evaluation of novel di-triazoles and 4-arylidene amino 4,5 dihydro-1H-[1,2,4] triazole-5-one derivatives
Ünver, Yasemin; Düǧdü, Esra; Sancak, Kemal; Er, Mustafa; Karaoǧlu, Şengül Alpay (TUBİTAK, 2008)A series of novel di-[3(thiophen-2-yl-methyl)-4,5-dihydro-1H-[1,2,4] triazole-5-one-4yl]n-alkanes (2a-h) were obtained by the reaction of N'-1-ethoxy-2-thiophen-2-yl-ethylydene hydrazino carboxylic acid ethyl ester (1) and ...
