Yayın tarihi için WoS İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 7605, listelenen: 841-860
-
Adsorption of acid dyes from aqueous solutions onto acid-activated bentonite
(Academic Press Inc Elsevier Science, 2004)The adsorption of two dyes, namely, Acid Red 57 (AR57) and Acid Blue 294 (AB294), onto acid-activated bentonite in aqueous solution was studied in a batch system with respect to contact time, pH, and temperature. Acidic ... -
Genotoxicity of aspartame
(Taylor & Francis LTD, 2004)In the present study, the genotoxic effects of the low-calorie sweetener aspartame (ASP), which is a dipeptide derivative, was investigated using chromosome aberration (CA) test, sister chromatid exchange (SCE) test, ... -
Composition of the essential oil of Achillea sieheana stapf and the enantiomeric distribution of camphor
(Allured Publ Corp, 2004)A water distilled oil from the aerial parts of Achillea sieheana Stapf(Compositae), an endemic species in Turkey, Was analyzed by GC/MS. Enantiomerically pure (1S)(-)-camphor (39.9%) was identified as a main constituent ... -
Synthesis and antimicrobial activities of some imidazole substituted indoles
(Council Scientific & Industrial Res, 2004)The compounds 1-substituted 2-(imidazol-1-yl)-3-(4,5-diarylimidazol-2-yl) indoles 2, I-substituted 2-(imidazol-1-yl)3-(phenanthro[9,10-d]imidazol-2-yl)indoles 3 and 1-substituted 2-(imidazol-1-yl)-3-(benzimidazol-2-yl)indoles ... -
Essential oils of three species of Heracleum. Anticandidal activity
(Springer, 2004)Fruits of Heracleum crenatifolium Boiss., Heracleum sphondylium L subsp. ternatum (Velen.) Brummitt, and Heracleum platytaenium Boiss. (Umbelliferae) were hydrodistilled to obtain essential oils that were then analyzed by ... -
Phenolic composition of strawberry genotypes at different maturation stages
(American Chemical Society, 2004)The effects of maturation (green, pink, and ripe) on phenolic composition of strawberry cultivars Camarosa, Dorit, Chandler, and Osmanli and their hybrids were investigated using a high-pressure liquid chromatography (HPLC) ... -
Volatile flavour components of mandarin wine obtained from clementines (Citrus reticula Blanco) extracted by solid-phase microextraction
(John Wiley & Sons LTD, 2004)The volatile flavour constituents of mandarin wine obtained from clementine (Citrus reticula Blanco) were analysed by headspace solid-phase microextraction (HS-SPME) and immersion solid-phase microextraction (Im-SPME) ... -
Protective effect of vasoactive intestinal peptide on testicular torsion-detorsion injury: Association with heparin-containing mast cells
(Elsevier Science Inc, 2004)Objectives. To elucidate the action of vasoactive intestinal peptide (VIP) on detorsion injury and the heterogeneity of mast cells in the testes of rats. Methods. Prepubertal male Sprague-Dawley rats were used in six groups. ... -
A comparative study of the essential oils of wild and cultivated Satureja hortensis L.
(Allured Publ Corp, 2004)The essential oils from 20 samples of wild and cultivated collections of Satureja hortensis L. were investigated by GC and GC/MS. The oils from cultivated forms contained carvacrol (42-63%) as the major constituent. Thymol ... -
Composition of the essential oil of Cistus parviflorus L. from Turkey
(Allured Publ Corp, 2004)ater distilled essential oil of Cistus parviflorus L. from Turkey was analyzed by GC/MS. Seventy-six representing 89.4% of the oil were identified. 8-alpha-13-oxy-14-ene-epilabdane (18.2%), manoyl oxide (9.1%) and ... -
Composition and the in vitro antimicrobial activities of the essential oils of some Thymus species
(Verlag Z Naturforsch, 2004)The genus Thymus (Lamiaceae) is represented by 38 species (64 taxa) in Turkey, and 24 of which are endemic to Turkey. Aerial parts of Thymus longicaulis subsp. chaubardii var. chaubardii, T zygioides var. lycaonicus, T ... -
Composition of the essential oils of Satureja spinosa L.
(Allured Publ Corp, 2004)Water-distilled essential oils from two samples of Satureja spinosa L., collected before and during flowering in southern Turkey, were analyzed by GC/MS. Forty-six and 107 compounds were identified in the oils with linalool ... -
Estrogenic activity of isolated compounds and essential oils of Pimpinella species from turkey, evaluated using a recombinant yeast screen
(Georg Thieme Verlag Kg, 2004)Several plants and plant-derived pure compounds, designated as phytoestrogens, have been reported to cause estrogenic effects. They have been used for alleviation of menopausal symptoms, prevention of osteoporosis, heart ... -
Electrochemistry coupled to fluorescence spectroscopy: a new versatile approach
(Elsevier Science Inc, 2004)The efficiency and versatility of a spectroelectrochemical cell was used in order to couple electrochemistry and fluorescence spectroscopy. This new tool was tested and validated through the study of the reduction steps ... -
The Salmonella mutagenicity of water and sediments from the Porsuk River in Turkey
(Elsevier Science BV, 2004)In this study, water and sediments from the Porsuk River were investigated for their potential mutagenicity in Salmonella typhimurium TA 98 and TA 100 strains by performing Ames test (plate incorporation assay) without ... -
The investigation of dielectric properties of pyrophyllite
(Trans Tech Publications LTD, 2004)Pyrophyllite, a clay mineral, is hydrous aluminum silicate which has a chemical formula of Al2Si4O10(OH)(2). Such properties of high dielectric constant (permittivity) and low electrical conductivity make it useful for ... -
A quantum chemical study on structure of 1,2-bis(diphenylphosphinoyl)ethane and phenol cocrystal
(Elsevier Science BV, 2004)The cocrystal of 1,2-bis(diphenylphosphinoyl)ethane (DPPEO) with phenol (1: 1) were studied theoretically with AM1, PM3, MNDO and MINDO/3 semi-empirical methods to elucidate its structure. The bond lengths and angles from ... -
Methacryloylamidoglutamic acid functionalized poly(2-hydroxyethyl methacrylate) beads for UO22+ removal
(Elsevier Science BV, 2004)A novel approach was developed to obtaining high uranium adsorption capacity utilizing 2-methacryloylamidoglutamic acid (MAGA) as a metal-complexing ligand. MAGA was synthesized by using methacryloyl chloride and glutamic ... -
Comparison of adsorption and selectivity characteristics for 4-nitrophenol imprinted polymers prepared via bulk and suspension polymerization
(Marcel Dekker Inc, 2004)This manuscript describes a method for the selective removal of phenolic compounds from aqueous medium by imprinted polymers, which is the noncovalent approach based on both hydrogen bonding and hydrophobic interaction. ...
