Güncel Gönderiler: Biyoloji-Makale Koleksiyonu
Toplam kayıt 495, listelenen: 221-240
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Differential in vitro inhibition effects of some antibiotics on tumor associated carbonic anhydrase isozymes of hCA-IX and hCA-XII
(Informa Healthcare, 2008)Hypoxia is a common characteristic of locally advanced solid tumors that has been associated with diminished therapeutic response and malignant progression. Human carbonic anhydrase (hCA) hCA IX and XII isozymes are tumor ... -
Ciplakastacus gen. nov., a primitive genus of Leptastacidae (Copepoda, Harpacticoida) from the Mediterranean coast of Turkey
(Taylor & Francis Ltd, 2008)Both sexes of Ciplakastacus mersinensis gen. et sp. nov. (Copepoda, Harpacticoida, Leptastacidae) are described in detail based on intertidal material collected from the Mediterranean coast of Turkey (Mersin Province). ... -
Effects of some lamiaceae species methanol extracts on potential mycotoxin producer fungi
(Taylor & Francis Inc, 2008)In this study, antifungal effects of some Lamiaceae species (Thymbra spicata L. Satureja hortensis L., Origanum onites L., O. vulgare L. subsp. hirtum (Link) Iestswaart, O. vulgare L. subsp vulgare, O. minutiflorum O. ... -
Fatty acid composition of Heliotropium species (Boraginaceae): A first chemical report on the new species H. thermophilum
(Natural Products Inc, 2008)Fatty acid compositions of the seed oils of H. thermophilum Kit Tan, A. Celik & Y. Gemici, sp. nova, H. europaeum L., and IT hirsutissimum L. (Boraginaceae) were analyzed by GC/MS. The main fatty acid methyl esters were ... -
Helminth parasites of digestive tract of some teleost fish caught in the Dardanelles at Canakkale, Turkey
(Walter De Gruyter Gmbh, 2007)In this study the following parasites were found in fishes from the Dardanelles at Canakkale: Cestoda: Bothriocephalus scorpii, Grillotia sp. and Scolex pleuronectis in Solea solea; Digenea: Ectenurus lepidus, Prodistomum ... -
Amplification of GC-rich ADAMTS-2 and URG4/URGCP promoter regions with optimized combination of PCR enhancers
(Tubitak Scientific & Technical Research Council Turkey, 2016)PCR is an effective and widely used method for the amplification of target DNA fragments in vitro. The templates that have high guanine-cytosine (GC) content, complex secondary structures, or short tandem repeats are ... -
Partial characterization of lettuce (Lactuca sativa L.) polyphenol oxidase
(Springer, 2007)Polyphenol oxidase (PPO) from garden lettuce (Lactuca sativa L.) was partially purified by ammonium sulphate ((NH4)(2)SO4) precipitation and dialysis, and then some of its kinetic properties such as optimum pH and temperature, ... -
Inhibition kinetic of Ocimum basilicum L. polyphenol oxidase
(Walter De Gruyter Gmbh, 2007)The paper reports the inhibition model of the purified polyphenol oxidase (PPO) activity from basil (Ocimum basilicum L.) with L-cysteine, ethylenediaminetetraacetic acid (EDTA), ascorbic acid, gallic acid, D,L-dithiothreitol, ... -
Synthesis, crystal structure and biological activity of the nickel(II) complex of 2,6-diacetylpyridinedihydrazone
(Springer, 2007)A complex of Ni-II with 2,6-diacetylpyridinedihydrazone (L) towards nickel(II) has been prepared and characterized by means of elemental analyses, IR, electronic spectra and single crystal X-ray analyses. [NiL2](NO3) was ... -
Nitrito complexes of nickel(II), copper(II) and cobalt(II) with tridentate pyrazole based planer ligand: Structure, spectroscopy, thermal properties and imitative nuclease activity
(Elsevier Science SA, 2015)Functional documentation of metal complexes are essential for various aspects including gene function/regulation and drug design for lethal diseases like cancer (Sigel and Martin (1982), Peters et al. (1997), Martin and ... -
Partial characterization of peroxidase from the leaves of thymbra plant (Thymbra spicata L. var. spicata)
(Springer, 2007)Peroxidase (EC 1.11.1.7; donor: hydrogen-peroxide oxidoreductase) catalyses the oxidation of various electron donor substrates (e.g. phenols, aromatic amines). In this study, the peroxidase was extracted from Thymbra spicata ... -
Essential oil and antimicrobial activity of wild and cultivated Origanum vulgare L. subsp hirtum (Link) letswaart from the Marmara region, Turkey
(John Wiley & Sons Ltd, 2007)The family Lamiaceae is represented by 45 genera, 546 species and 730 taxa in Turkey. The genus Origanum is represented in Turkey by 22 species; the ratio of endemism in the genus is 63%. Origanum vulgare subsp. hirtum ... -
Antidepressant and antipsychotic drugs differentially affect pon1 enzyme activity
(Taylor & Francis Ltd, 2015)Human serum paraoxonase (PON1, EC 3.1.8.1.) is a high-density lipid (HDL)-associated, calcium-dependent enzyme. In this study, the effects of Haloperidol, Fluoxetine hydrochloride, Diazepam and Acepromazine drugs used for ... -
Different doses of radiation on agar colony forming development in C6 glioma cells: Assessment by thymidine labeling index, and bromodeoxyuridine labeling index
(Ortadogu Ad Pres & Publ Co, 2007)Objective: Gliomas are relatively frequent in adults, and are among the most malignant primary brain tumors. Glioblastoma. multiforme, like many other tumors that exhibit radiation sensitivity in vitro, seems to be very ... -
The morphological and anatomical properties of endemic Crocus leichtinu (D. Dewar) bowles (Iridaceae) in Turkey
(Pakistan Botanical Soc, 2007)In this investigation, some morphological and anatomical characteristics of Crocus leichtlinii (D.Delwar) Bowles, an endemic species which has flowering time in early spring, were observed. The specimen was collected from ... -
In vivo effects of oral contraceptives on paraoxonase, catalase and carbonic anhydrase enzyme activities on mouse
(Pharmaceutical Soc Japan, 2007)Many effects that oestrogens and progestrogens used in oral contraceptive (OC) have on enzyme physiology are of importance on homeostasis. This study was carried out in order to determine the in vivo effect of three oral ... -
In vitro inhibition of the carbonic anhydrase from saanen goat (Capra hircus) with pesticides
(Academic Press Inc Elsevier Science, 2007)This study was conducted to determine the in vitro effects of four commonly used pesticides (Nuarimol(Tm), Fenarimol(TM), Parathionmethyl(Tm) and 2,4-D-TM) on erythrocyte carbonic anhydrase (CA) activity from Saanen goats ... -
Inhibition kinetics of polyphenol oxidase by glutamic acid
(Springer, 2007)The inhibition of polyphenol oxidase (PPO) by glutamic acid was investigated. Application of different concentrations of glutamic acid to mushroom solution and Ocimum basilicum L. extract showed that glutamic acid appeared ... -
Effects of 5-aza-2 '-deoxycytidine on biological parameters of larval endoparasitoid Apanteles galleriae (Hymenoptera : Braconidae) and on its host Achoria grisella (Lepidoptera : Pyralidae)
(Entomological Society America, 2007)The effects of 5-Aza-2'-deoxycytidine (5-Aza-dC), an inhibitor of DNA methyltransferase, were assessed on egg-to-adult developmental time, longevity, size, number of offspring produced, and sex ratio of the larval ... -
Prevalence of erythrocyte glucose-6-phosphate dehydrogenase (G6PD) deficiency in the population of western Turkey
(Elsevier Science Inc, 2006)Background. Newborn G6PD deficiency screening has been recognized as an essential component of public health care in most developed and some Mediterranean countries. However, such screening is yet to be widely embraced in ...