Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1411, listelenen: 966-985
-
The performance of wong-zakai approximations for the investigation of stochastic differential equation models with nonlinear multiplicative noise
(Comenius University, 2021)In this study, Wong-Zakai approximation method has been applied for the analysis of stochastic differential equations appearing in engineering sciences. Wong-Zakai approximation has been used with similar stochastic ... -
Peripheral or nonperipheral tetra-[4-(9H-carbazol-9-yl)phenoxy] substituted cobalt(II), manganese(III) phthalocyanines: Synthesis, acetylcholinesterase, butyrylcholinesterase, and α-glucosidase inhibitory effects and anticancer activities
(Wiley, 2020)In this work, peripheral or nonperipheral tetra-[4-(9H-carbazol-9-yl)phenoxy] substituted cobalt(II), manganese (III) phthalocyanines were synthesized for the first time. Their acetylcholinesterase from Electrophorus ... -
Phase transformation in Cu2SnS3 (CTS) thin films through pre-treatment in sulfur atmosphere
(Springer, 2021)In this study, Cu2SnS3 (CTS) thin films prepared by a two-step sulfurization process were characterized. Cu and Sn metallic layers were first deposited on glass substrates by sputtering and then annealed in-situ while in ... -
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 ... -
Phenolic components and antioxidant activity of prunus spinosa from Gumushane, Turkey
(Springer, 2015)Blackthorn (Prunus spinosa L.) is a fruit of the genus Prunus from the family Rosaceae. It grows wild in various regions in Turkey (especially in central, north, west, and south Anatolia). It has numerous stems covered ... -
The phenolic composition, aroma compounds, physicochemical and antimicrobial properties of Nigella sativa L. (black cumin) honey
(Springer, 2022)Honey is an important bee product with its nutritional and medicinal properties. Characterization of different monofloral honey has importance for focusing on honey's biocomponents and the potential use of its medicinal ... -
Phenological features of some geophytes from the Anzer plateau in Rize and utilization possibilities for landscape architecture
(Int Soc Horticultural Science, 2016)Rize has a lot of plateaus which due to traditional life have partly been extinguished. the spectacular Anzer plateau with its rich flora and fauna is located 35 km south-west of the Ikizdere district and 54 km from the ... -
Phenylenediamine, salicylic acid, stoichiometry, formation constant, speplot, metal complexes
(2011)The present work describes the chemical composition and antimicrobial activity of the essential oil of Campanula olympica Boiss. which was isolated from the all parts of the plant by hydrodistillation and analyzed by GC-FID ... -
Photochemistry of nitro-substituted (E)-2-azachalcones with theoretical calculations and biological activities
(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 ... -
Photodetector properties of CdSe thin films grown by close space sublimation method
(Springer, 2023)In the present study, CdSe thin films were grown by Close Space Sublimation (CSS) method on glass substrates at elevated temperatures. The prepared films were analyzed through several characterization techniques such as ... -
Photodimerizations of hydroxy- and benzoylated 4-azachalcones and quantum chemical investigation of the reactions
(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 ... -
Photophysical and adsorption properties of pyronin B in natural bentonite clay dispersion
(Elsevier Science Bv, 2015)The present study focused on the adsorption and photophysical properties of pyronin B (PyB) in bentonite aqueous dispersion. the photophysical properties of PyB in the aqueous dispersion were studied by using UV-vis ... -
Photophysical and photochemical study on novel axially chalcone substituted silicon (IV) phthalocyanines
(Elsevier, 2020)The novel axially chalcone bearing furan or thiphene groups substituted silicon (IV) phthalocyanine complexes were synthesized in this study. These novel phthalocyanines were characterized by general spectroscopic methods ... -
Photophysical and photochemical study on the tetra 4-isopropylbenzyloxy substituted phthalocyanines
(Elsevier Science Bv, 2017)In this study, the novel peripherally tetra 4-isopropylbenzyloxy substituted metal-free (4) zinc(II) (5) and oxotitanium(IV) (6) phthalocyanine complexes were synthesized. Furthermore, the axially 4-isopropylbenzyloxy ... -
Photosystem II functionality and antioxidant system changes during leaf rolling in post-stress emerging ctenanthe setosa exposed to drought
(2009)We studied the changes in antioxidant system and chlorophyll fluorescence parameters in post-stress emerging Ctenanthe setosa (Rosc.) Eichler (Marantaceae) plants (PSE plants) having reduced leaf area under drought stress ... -
Phthalocyanine and azaphthalocyanines containing eugenol: synthesis, DNA interaction and comparison of lipase inhibition properties
(Indian Acad Sciences, 2017)Novel eugenol-substituted zinc(II) azaphthalocyanines (ZnAzaPcs) were synthesised and their lipase inhibition and DNA binding properties compared with phthalocyanines (Pcs) containing eugenol. This is the first study on ... -
Phthalocyanines containing resorcinarene cavitands; synthesis and heavy metal ion extraction properties
(Editura Acad Romane, 2019)There are several studies about phthalocyanines containing resorcin[4]arene groups at literature. However, their heavy metal ion extraction properties are unknown. Therefore, the novel phthalocyanines containing tetra and ... -
Phylogenetic analysis based on the ITS, matK and rbcL DNA barcodes and comparison of chemical contents of twelve Paeonia taxa in Turkiye
(Springer, 2023)BackgroudTwelve taxa of herbaceous Paeonia species were recorded in Turkiye. All definitions were performed morphologically and/or anatomically and there is no study based on DNA barcode sequences. Three barcode regions ... -
The phylogenetic position of Turkish populations within the European Bitterling, Rhodeus amarus (Osteichthyes: Cyprinidae)
(Taylor & Francis Ltd, 2013)The partial sequence of the mitochondrial cytochrome b gene (1047 bp) was analysed in order to clarify the phylogenetic position of Turkish populations within the European Bitterling, Rhodeus amarus. 17 haplotypes were ... -
Phylogeny and phylogeography of the genus Alburnoides (Teleostei, Cyprinidae) in Turkey based on mitochondrial DNA sequences
(Taylor & Francis Ltd, 2019)Turkey has a rich freshwater biodiversity in terms of Cyprinid genus in respect to its geographical location. To elucidate the phylogeny of the Alburnoides genus, one of these genera, genetic data for the cytochrome b gene ...
