Yayın tarihi için WoS İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 7605, listelenen: 801-820
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Microbial transformation of (-)-carvone
(Verlag Z Naturforsch, 2004)The cyclic monoterpene ketone (-)-carvone was metabolized by the plant pathogenic fungus Absidia glauca. After 4 days of incubation, the diol 10-hydroxy-(+)-neodihydrocarveol was formed. The absolute configuration and ... -
Synthesis of some 2-[(benzazole-2-yl)thioidiphenylmethylacetamide derivatives and their antimicrobial activity
(Taylor & Francis LTD, 2004)Some 2-[(benzazole-2-yl)thio]diphenylmethylacetamide derivatives were synthesized by reacting 2-chloroacethylaminodiphenylmethane with benzazole-2-thions. The structure elucidation of the compounds was performed by IR, 1H ... -
Composition of the essential oil of Cistus laurifolius L. from Turkey
(Allured Publ Corp, 2004)The water distilled essential oil of Cistus laurifolius L. from Turkey was analyzed by GC/MS. Sixty four compounds representing 67% of the oil were identified. Borneol (6.1%) and nonacosane (2.8%) were the major constituents. -
Modification of intracellular free calcium in cultured F2408 embryo fibroblasts by 3-sub substituted-2-thiohydantoin derivatives
(Wiley, 2004)3-substituted-2-thiohydantoin derivatives were synthesized and their Structures elucidated by IR, H-1-NMR spectroscopy and elemental analysis. The cytotoxicity of the 2-thiohydantoin derivatives to rat embryo fibroblasts ... -
New, sesquiterpenoid-type bicyclic compounds from the buds of Betula pubescens - Ring-contracted products of beta-caryophyllene?
(Wiley-V C H Verlag GMBH, 2004)The essential oils obtained from the buds of Betula pubescens ssp. pubescens and B. pubescens ssp. czerepanovii were analyzed both by GC and GC/MS and, of the 31 compounds identified, 14-acetoxy-beta-caryophyllene was ... -
Cardioprotection with resveratrol pretreatment: improved beneficial effects over standard treatment in rat hearts after global ischemia
(Taylor & Francis LTD, 2004)Objective-The major objective of the present study is to evaluate the potential role of resveratrol (RVT), a natural antioxidant found in grapes and red wine, in protecting the myocardium from the deleterious effects of ... -
The essential oil of Senecio farfarifolius Boiss. et Kotschy growing in Turkey
(Allured Publ Corp, 2004)Water-distilled essential oil from the aerial parts of Senecio farfarifolius Boiss. et Kotschy, endemic in Turkey, was analyzed by GC and GC/MS. Eighty-seven components were characterized representing 95% of the compounds ... -
Composition of the essential oil of Marrubium bourgaei ssp caricum P.H. Davis
(Allured Publ Corp, 2004)The composition of the water-distilled essential oil of Marrubium bourgaei Boiss. ssp. caricum P.H. Davis (endemic) (Labiatae) was analyzed by GC/MS. Forty-six compounds were identified representing 91.3% of the total oil. ... -
Investigation of the Origanum onites L. essential oil using the chorioallantoic membrane (CAM) assay
(American Chemical Society, 2004)The in vivo test on the chorioallantoic membrane of the fertilized hen's egg (CAM assay) is a current method to determine antiangiogenic, antiinflammatory activity and toxic effects of individual compounds or complex plant ... -
Comparison of the essential oils of Origanum majorana L. and Origanum x majoricum Cambess.
(Allured Publ Corp, 2004)Origanum majorana L. (Lamiaceae) has two chemtypes in Turkey. The type growing in the southwestern part of the Mediterranean region is characterized by rich oil yield and high carvacrol content. This type known as 'beyaz ... -
Synthesis of some dithiocarbamate derivatives and their antimicrobial activity
(Taylor & Francis LTD, 2004)Some new, 2-[(N-substituted aminothiocarbonylthio)acetyl]aminothiazole, N-substituted aminothiocarbonylthioacetylaminodiphenylmethane and 9-[(N-substituted aminothiocarbonylthio)acetyl]aminofluorene derivatives were ... -
A potential new source of cedarwood oil: Juniperus foetidissima Willd.
(Allured Publ Corp, 2004)The chemical compositions of essential oils from heartwood of the root and stem of Juniperus foctidissima Willd. collected in the vicinity of Eskisehir, Turkey were analyzed by GC/MS. The yield of stein and root heartwood ... -
An application for zirconia as a pharmaceutical die set
(Elsevier Sci LTD, 2004)The main objective of this study was to investigate the possible use of zirconia as a material for the manufacture of punches and dies for use in tableting machines and to study its effect on ejection of tablets made from ... -
Magnesia-spinel microcomposites
(Elsevier Sci LTD, 2004)This study used a model system of fully dense high purity MgO, incorporating micron size spinel prepared by hot-pressing. Spinel powder was obtained from two sources: (i) 0.5 mum alumina powder was incorporated into MgO ... -
New directions for ATC training: A discussion
(Lawrence Erlbaum Assoc Inc, 2004)The air traffic control system is changing due to implementation of automation systems to avoid congestion and to increase safety, efficiency, and economy of flights. Consequently, the nature of an air traffic controller's ... -
High strength diopside containing porcelain tiles
(Trans Tech Publications LTD, 2004)A new diopside based porcelain tile is developed. Raw materials containing a frit crystallising to diopside. Ukrainian clay, calcite, magnesite and quartz have formulated so as to form diopside during firing and sintered ... -
Effect of water extract of Turkish propolis on tuberculosis infection in guinea-pigs
(Academic Press LTD Elsevier Science LTD, 2004)Mycobacterium tuberculosis (H37Rv)-infected guinea-pig model was used to investigate the effect of water extract of propolis (WEP). After subcutaneous inoculation of tubercle bacilli, each animal received oral WEP (n = 9), ... -
Spontaneously-made paintings and the form created in the potters wheel
(Trans Tech Publications LTD, 2004)Potters wheel tradition dates back to 7000 years B.C. by the invention of potters wheel. In the early days of potters wheel tradition, besides terracotta pieces, polished pieces as well as slipped pieces were made. While ... -
Comparison of supercritical fluid and Soxhlet extractions for the quantification of hydrocarbons from Euphorbia macroclada
(Elsevier Science BV, 2004)This study compares conventional Soxhlet extraction and analytical scale supercritical fluid extraction (SFE) for their yields in extracting of hydrocarbons from arid-land plant Euphorbia macroclada. The plant material was ... -
Novel fused D-A dyad and A-D-A triad incorporating tetrathiafulvalene and p-benzoquinone
(American Chemical Society, 2004)Novel fused donor-acceptor dyad (TTF-Q or D-A) and acceptor-donor-acceptor triad (Q-TTF-Q or A-D-A) incorporating the donor tetrathiafulvalene (TTF) and the acceptor p-benzoquinone (Q) have been synthesized. The solution ...