Güncel Gönderiler: Biyoloji-Makale Koleksiyonu
Toplam kayıt 495, listelenen: 201-220
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Chemical composition of the essential oils of three thymus Taxa from Turkey with antimicrobial and antioxidant activities
(ACG Publications, 2014)GC-MS analysis of the essential oils from aerial parts of Thymus migricus Klokov & Des.-Shost, Thymus fallax Fisch. & Mey. and Thymus pubescens Boiss. & Kotschy ex Celak var. pubescens resulted in the identification of 26, ... -
Is there a relation between genetic susceptibility with cancer? A study about paraoxanase (PON1) enzyme activity in breast cancer cases
(Taylor & Francis Ltd., 2016)Human serum paraoxonase 1 (PON1, EC 3.1.1.2) is a high density lipoprotein (HDL)-associated antioxidant enzyme that not only decreases oxidative stress, but it is also implicated in development of many cancers. Genetic ... -
Inhibition kinetic and mechanism of polyphenol oxidase from various sources by diethyldithiocarbamic acid
(Wiley-Blackwell, 2008)Inhibition kinetics and mechanism of polyphenol oxidases (PPO) partially purified from various sources such as Thymbra spicata L. var. spicata and Ocimum basilicum L., and of mushroom PPO bought from Sigma by diethyldithiocarbamic ... -
The effect of sodium tetraborate on antioxidant enzymes under in vitro conditions
(Parlar Scientific Publications (P S P),, 2014)Herein, the effects of sodium tetraborate on antioxidant enzyme activities from human blood cells under in vitro conditions were studied. Red blood cells were exposed to different concentrations of sodium tetraborate. ... -
Olea europaea leaf extract improves the treatment response of GBM stem cells by modulating miRNA expression
(E-Century Publishing Corp,, 2014)The stem-like cells of Glioblastoma multiforme (GBM) tumors (GSCs) are one of the important determinants of recurrence and drug resistance. The aims of the current study were to evaluate the anticancer effect of Olea ... -
A new species of arenosetella wilson, 1932 from turkey with notes on the genus (Copepoda, Harpacticoida, Ectinosomatidae)
(Pensoft Publ, 2016)A new species of the genus Arenosetella CB Wilson, 1932 is described from specimens that were collected from the Mediterranean coast of Turkey. The new species is closely related to A. fimbricaudata McLachlan & Moore, 1978, ... -
Characterization of polyphenoloxidase from wild pear (Pyrus elaegrifolia)
(Wiley, 2008)Wild pear polyphenoloxidase (PePPO) was extracted and purified using a Sepharose 4B-L-tyrosine-p-amino benzoic acid affinity column. Optimum conditions for pH, temperature and heat inactivation were determined. At the ... -
Differential in vitro inhibitory effects of anticancer drugs on tumor-associated carbonic anhydrase isozymes CA IX and CA XII
(Prous Science, 2008)Carbonic anhydrase IX (CA IX) and, to a lesser extent. carbonic anhydrase XII (CA XII) are highly overexpressed in hypoxic tumors. In this study, the inhibitory effects of 11 different anticancer drugs including paclitaxel, ... -
Synthesis, characterization, antibacterial, and antifungal activities of one-dimensional O-H center dot center dot center dot O hydrogen-bonded Cu(II) and Ni(II) complexes
(Taylor & Francis Inc, 2016)Two Schiff base complexes, [Cu(HL)(2)], 1 and [Ni(HL)(2)], 2 [H2L = 2-((E)-(2-hydroxyethylimino)methyl)-1-naptaphenol] have been synthesized and characterized by elemental analysis, H-1 NMR, C-13 NMR, IR spectroscopy, and ... -
Microbial desulphurization of Turkish lignites by white rot fungi
(Amer Chemical Soc, 2008)Biodesulphurization experiments were carried out with Tuncbilek lignite, characterized by high sulfur content (2.59%) by using Trametes versicolor ATCC 200801 and Phanerochaete chrysosporium ME 446. At fungal biomass ... -
In vitro inhibition of the paraoxonase from human serum with sulfonamide
(Academic Journals, 2008)This study was conducted to determine the in vitro effects of sulfonamide on human serum paraoxonase (PON1) activity. The enzyme was purified by two-step using ammonium sulfate precipitation and sepharose-4B-L-tyrosine-1 ... -
First record of the bluespotted cornetfish, fistularia commersonii ruppell, 1835 (Osteichthyes: Fistulariidae) in Edremit Bay (north-eastern Aegean Sea)
(Wiley-Blackwell, 2014)Introduction Since the opening of the Suez Canal in 1869, there has been an influx of Red Sea and Indo-Pacific species into the Mediterranean Sea, a phenomenon known as Lessepsian migration. -
Disentangling the subgeneric division of Arenopontia Kunz, 1937: resurrection of Psammoleptastacus Pennak, 1942, re-examination of Neoleptastacus spinicaudatus Nicholls, 1945, and proposal of two new genera and a new generic classification (Copepoda, Harpacticoida, Arenopontiidae)
(Blackwell Publishing, 2008)A new generic classification is proposed for the 32 valid species of the interstitial marine family Arenopontiidae (Copepoda, Harpacticoida), primarily based on new observations of type species and reliable descriptions ... -
Composition and the in vitro antimicrobial activities of the essential oils of Achillea wilhelmsii C. Koch. and Achillea lycaonica Boiss & Heldr.
(Asian Journal of Chemistry, 2008)The genus Achillea (Asteraceae) is represented by 42 species (48 taxa) in Turkey and 22 of which are endemic to Turkey. Achillea wilhelmsii and Achillea lycaonica collected from different localities in Turkey, were subjected ... -
Some kinetic properties of polyphenol oxidase from Thymbra spicata L. var. spicata
(Elsevier Sci Ltd, 2006)Polyphenol oxidase (PPO)of Thymbra (Thymbra spicata L. var. spicata) was isolatedby (NH4)(2)SO4 precipitation and dialysis. A diphenolase from Thymbra plant, active against 4-methylcatechol, catechol and pyrogallol was ... -
Evaluation of genetic diversity of cultivated tea clones (Camellia sinensis (L.) Kuntze) in the eastern black sea coast by inter-simple sequence repeats (ISSRS)
(Serbian Genetics Soc, 2016)Tea is the most globally consumed drink after spring water and an important breeding plant with high economical value in Turkey. In half a century, various kinds of tea cultivars have been bred in Turkey to improve the ... -
Morphological, anatomical and ecological studies on Hyacinthella lineata (Liliaceae)
(Foundation Environmental Protection & Research-Fepr, 2008)In this study, the morphological characteristics of the species of Hyacinthella lineata (Liliaceae), which is an endemic species for Turkey; and the anatomical characteristics of its root, scape and leaf have been examined. ... -
Inhibition of Plant Growth Regulators on Paraoxonase Activity
(Parlar Scientific Publications (P S P), 2008)The purpose of this study was to investigate the in vitro effects of four commonly used plant growth regulators (PGRs) (indole-3-acetic acid, indole-3-butyric acid, gibberellic acid and kinetin) on human serum paraoxonase ... -
Some evidence for infrageneric classification in ziziphora L. (Lamiaceae:Mentheae)
(Taylor & Francis Ltd, 2015)The genus Ziziphora L. (Lamiaceae) consists of annual herbs, except Ziziphora clinopodioides, and is represented by six taxa in the flora of Turkey: Z. clinopodioides, Z. capitata, Z. persica, Z. tenuior, Z. taurica subsp. ... -
In vitro inhibition of cytosolic carbonic anhydrases I and II by some new dihydroxycoumarin compounds
(Taylor & Francis Ltd, 2008)A new series of 6, 7-dihydroxy-3-(methylphenyl) chromenones, including three new derivatives, i.e. 6,7-dihydroxy-3-(2-methylphenyl)-2H-chromen-2-one (OPC); 6,7-dihydroxy-3-(3-methylphenyl)-2H-chromen-2-one (MPC); ...
