Güncel Gönderiler: Biyoloji Bölümü
Toplam kayıt 543, listelenen: 201-220
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Effects of some metals on paraoxonase activity from shark Scyliorhinus canicula
(Taylor & Francis Ltd, 2012)Paraoxonase (PON) is an organophosphate hydrolyser enzyme which also has antioxidant properties in metabolism. Due to its crucial functions, the inhibition of the enzyme is undesirable and very dangerous. PON enzyme activity ... -
Chemical composition of endemic thymus spathulifolius hausskn. and velen. essential oil and its antimicrobial and antioxidant activity from Turkey
(Taylor & Francis Ltd, 2012)The aim of present study was to compare the antimicrobial and antioxidant activity of Thymus spathulifolius on the basis of the chemical composition of oil obtained by hydrodistillation. The essential oil was analyzed by ... -
Taxonomical notes on Stachys sect. Eriostomum (Lamiaceae) in Turkey
(Tubitak Scientific & Technical Research Council Turkey, 2012)As a part of a revisional study of Stachys L. sect. Eriostomum (Hoffmanns. & Link) Dumort. (Lamiaceae), 4 taxa [S. tymphaea Hausskn., S. thracica Davidov, S. cretica L. subsp. cretica, and S. cretica L. subsp. salviifolia ... -
Antimycobacterial activity some different lamiaceae plant extracts containing flavonoids and other phenolic compounds
(Intech Europe, 2012)Özet Yok -
The effects of TNF-alpha on ADAMTS-1 and VEGF gene expressions in HEP3B cells
(Wiley-Blackwell, 2012)Angiogenesis is essential for tumor growth, progression andmetastasis. Angiogenesis is controlled by several endogenousstimulators and inhibitors. Among these stimulators, the vascularendothelial growth factor (VEGF) owns ... -
Effects of fibroblast growth factor (FGF acidic) and epidermal growth factor (EGF) on procollagen-N proteinases; ADAMTS-2 and ADAMTS-3 in osteosarcoma model
(Wiley-Blackwell, 2012)A Disintegrin and Metalloproteinase domain, with Thrombo-Spondin (ADAMTS) is a family of zinc-dependent proteases thathave common features with A Disintegrin and Metalloproteinase(ADAM) and also MMP enzymes (Matrix ... -
A new species of cirsium section epitrachys (Asteraceae: Cardueae) from Turkey
(Oxford Univ Press, 2008)Cirsium ekimianum Yildiz & Dirmenci is described from Erzurum province, east Anatolia, Turkey. The diagnostic and morphological characteristics that distinguish it from the allied species C. ellenbergii Bornm. and C. ... -
Inhibition types and some kinetic properties of tyrosinase of deepwater pink shrimp (Parapenaeus longirostris) from edremit bay
(Wiley-Blackwell, 2012)Phenoloxidases (POs) are a family of enzymes including tyrosin-ases, catecholases and laccases, which play an important role inimmune defence mechanisms in various invertebrates. The aim ofthis study was to identify the ... -
Effects of some pesticides on catalase and glutation s-transferase in cyprinus carpio carpio
(Wiley-Blackwell, 2012)Free radicals which known reactive oxygen species (ROS) have changing capasity biomolecules like lipids, nucleic acids, considerably reactive and unstabile metabolites. Biological sistems in body developed defence system ... -
The effect of sodium tetraborate on antioxidant enzymes
(Wiley-Blackwell, 2012)Antioxidant enzymes have main role in the defense of mamma-lian blood. Experimental investigations have repeatedly shownthat erythrocytes are particularly sensitive to oxidative stres. Forthis purpose, thein vitrobiochemical ... -
Effects of vascular endothelial growth factor (VEGF) on CAIX expression in Hep3B cells
(Wiley-Blackwell, 2012)Zinc containing carbonic anhydrase enzymes have important rolesin different physiological processes as gas exchange, ion transportand acid-base balance. Carbonic anhydrases catalyse the reversiblereaction from H2OandCO2to ... -
Purification and characterisation of beta-glucosidase from olive (Olea europaea L.)
(Wiley-Blackwell, 2012)b-glucosidase is a glucosidase enzyme that acts uponb1->4bonds linking two glucose or glucose-substituted molecules (i.e.,the disaccharide cellobiose). It is an exocellulase with specificityfor a variety of beta-D-glycoside ... -
Length-weight relationships of freshwater fishes of Croatia
(Wiley-Blackwell, 2008)Length–weight relationships (LWRs) are needed in fishery management and conservation. Here we report length-weight relationship parameters for 41 fish species from Croatian freshwaters, including 10 species for which ... -
A pseudo-beta-glucosidase in arabidopsis thaliana: Correction by site-directed mutagenesis, heterologous expression, purification, and characterization
(Maik Nauka/Interperiodica/Springer, 2008)Since At2g25630 is an intronless gene with a premature stop codon, its cDNA encoding the predicted mature beta-glucosidase isoenzyme was synthesized from the previously isolated Arabidopsis thaliana genomic DNA. The stop ... -
Spatial and temporal dynamics of the steady-state phytoplankton assemblages in a temperate shallow hypertrophic lake (Lake Manyas, Turkey)
(Springer Japan KK, 2008)Spatial and temporal dynamics of phytoplankton biomass and species composition in the shallow hypertrophic Lake Manyas, Turkey, were studied biweekly from January 2003 to December 2004 to determine steady-state phases in ... -
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 ...
