Ara
Toplam kayıt 35, listelenen: 11-20
Synthesis, Configuration, and Antimicrobial Properties of Novel Substituted and Cyclized ‘2′,3″-Thiazachalcones’
(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 ...
Microwave-assisted synthesis of 4′-azaflavones and their n-alkyl derivatives with biological activities
(Wiley, 2008)
4?-Azaflavone (=2-(pyridin-4-yl)-4H-1-benzopyran-4-one; 4) and 3-[(pyridin-4-yl)methyl]-4?-azaflavone (5) were synthesized by a simple environmentally friendly microwave-assisted one-pot method through the cyclization of ...
A comparative study on two closely relative Tulipa L. taxa from NE Anatolia
(Springer, 2008)
This study presents observations on the anatomical, palynological and ecological features of Tulipa gumusanica Terzioğlu and its morphologically similar relative, T. armena Boiss. var. armena, in order to clarify their ...
Physiological changes in them in post-stress emerging Ctenanthe setosa plants under drought conditions
(Maik Nauka-Interperiodica Publishing, 2008)
The capability of Ctenanthe setosa (Rosc.) Eichler (Marantaceae), pre-exposed to severe drought stress, of adaptation to a new drought conditions was investigated. C. setosa unstressed plants were exposed to drought period ...
Biotypes and antibiotic resistance patterns of Gardnerella vaginalis strains isolated from healthy women and women with bacterial vaginosis
(2007)
As Gardnerella vaginalis is accepted as a member of normal vaginal flora, it is one of the dominant species which has been related to bacterial vaginosis (BV). The aim of this study was to determine the isolation rate, ...
Synthesis and antimicrobial evaluation of novel di-triazoles and 4-arylidene amino 4,5 dihydro-1H-[1,2,4] triazole-5-one derivatives
(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 ...
Phenolic acid contents of kale (Brassica oleraceae L. var. acephala DC.) extracts and their antioxidant and antibacterial activities
(Elsevier, 2008)
Nine phenolic acids were identified and quantified by HPLC-MS in leaves and 10 in seeds of kale (black cabbage). The free, ester (methanol-soluble), glycoside and ester-bound (methanol-insoluble) phenolic acid contents of ...
Cloning, expression, purification and characterisation of a thermostable chitinase from Bacillus licheniformis A1
(University of Milan, 2008)
The chitinase B gene (ch/B65) of Bacillus licheniformis A1 (BlicA1) isolated from Diyadin hotspring in Turkey was cloned and sequenced. The gene is 1779 bp long and encodes a protein 592 amino acids with a 35-amino acid ...
Contribution to the knowledge of the syntaxonomy and ecology of macchie and forest vegetation in Paphlagonia, North Anatolia, Turkey
(Taylor & Francis, 2008)
In this study, the vegetation of Boztepe Forest Protection Area (Unye/Ordu, Turkey), which is located at the middle part of Black Sea region, has been investigated from the phytosociological point of view. The vegetation ...
Antimicrobial activity and essential oil compositions of two Ranunculus species from Turkey: R. constantinopolitanus and R. arvensis
(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 ...