Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 281, listelenen: 256-275
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Quantitative determination of naphthoquinones of Arnebia densiflora by TLC-densitometry
(Elsevier Science BV, 1999)Quantitative determination of beta,beta-dimethylacrylalkannin (1), teracrylalkannin (2) and isovalerylalkannin + alpha-methyl-n-butylalkannin (3 + 4) in Arnebia densiflora roots and extracts was established by TLC-densitometry. ... -
The quantitative determination of some phenolic acids in Delphinium formosum by HPLC
(Marcel Dekker Inc, 1999)Some phenolic acids from the flowers of Delphinium formosum have been determined quantitatively by reversed-phase high-performance liquid chromatography with diode-array detection. A comparative study was performed by ... -
Recent studies on the alkaloids of anatolian Thalictrum species
(2001)Studies which have been conducted in the last 25 years on the alkaloids of 9 Thalictrum taxa out of 11 growing in Turkey are reviewed. 58 alkaloids including 12 new alkaloids have been isolated and characterized by ... -
Selective preconcentration of thorium in the presence Of UO22+, Ce3+ and La3+ using Th(IV)-imprinted polymer
(Elsevier Science BV, 2005)We have prepared Th(IV) ion-imprinted polymers, which can be used for the selective preconcentration of Th(W) ions, represented by uranium and lanthanides. N-methaeryloyl-(L)-glutamic acid (MAGA) was chosen as the complexing ... -
Selective separation of thorium using ion imprinted chitosan-phthalate particles via solid phase extraction
(Taylor & Francis Inc, 2006)We have studied a new method for the preparation of Th(IV)-imprinted chitosan-phthalate particles, which can considerably enhance the adsorption capacity and selectivity of thorium ions. In this study, chitosan-phthalate ... -
Simultaneous depletion of albumin and immunoglobulin G by using twin affinity magnetic nanotraps
(Taylor & Francis Inc, 2016)For biomarker discovery, simultaneous removal of albumin and immunoglobulin G (IgG) become more important for both concentrating other species including potential biomarkers and getting rid of their masking effect. In this ... -
Steam volatiles of Lallemantia peltata (L.) Fisch et Mey. from Turkey
(Allured Publ Corp, 2000)The oil of Lallemantia peltata (L.) Fisch. et Mey. (Labiatae) obtained by Simultaneous Distillation-Extraction (SDE) using Likens-Nickerson apparatus, was analyzed by GC/MS. Thirteen compounds were identified representing ... -
Steam volatiles of the fruits of prangos bornmuelleri Hub.-Mor. et reese
(1999)Crushed fruits of Prangos bornmuelleri, endemic in Turkey, were subjected to simultaneous distillation-extraction using Likens-Nickerson Apparatus with dichloromethane. The steam volatiles were analyzed by GC/MS. Fifteen ... -
Structural changes in a Schiff base molecular assembly initiated by scanning tunneling microscopy tip
(IOP Publishing LTD, 2016)We report the controlled self-organization and switching of newly designed Schiff base (E)-4-((4-(phenylethynyl) benzylidene) amino) benzenethiol (EPBB) molecules on a Au (111) surface at room temperature. Scanning tunneling ... -
Study of the essential oil composition of two subspecies of Abies cilicica (Ant. et Kotschy) Carr. from Turkey
(John Wiley & Sons LTD, 1999)The essential oil composition of two subspecies of Abies cilicica (taurus fir) from southern Turkey was investigated. CC-MS analysis of the oils of subsp. cilicica and subsp. isaurica from young shoots showed some qualitative ... -
Supercritical CO2 extraction of flaxseed
(Amer Oil Chemists Soc A O C S Press, 2002)Extraction of flaxseed oil was performed with supercritical carbon dioxide (SC-CO2). To investigate the effects of pressure and temperature on the solubility of oil and oil yield, three isobaric (21, 35, and 55 MPa) and ... -
Supercritical CO2 extraction of volatile components from leaves of Laurus nobilis L.
(Akademiya Nauk Uzbekskoi Ssr, 1998)Comparative investigation of the chemical compositions of volatile components from leaves of Laurus nobilis obtained by the supercritical CO2 extraction and the hydro- and seam distillation was carried out. -
Superparamagnetic nanotraps containing MIP based mimic lipase for biotransformations uses
(Springer, 2011)The nanoparticle comprises a superparamagnetic iron oxide nanoparticle core conjugated with trimethoxylsilyl propylmethacrylate (TMSPM) and methacryloylamido serine (MASE), methacryloylamido histidine (MAH), methacryloylamido ... -
Synthesis, growth and vibrational spectroscopic study of a novel coumarinoylthiazole
(Pergamon-Elsevier Science LTD, 2012)An efficient route was developed for the synthesis of novel 3-(2-morpholinyl-4-phenylthiazol-5-oyl)coumarin (MPTC). FT-IR spectrum of MPTC was recorded and analyzed. The crystal structure data are also described. The ... -
Testing the antidepressant effects of hypericum species on animal models
(Georg Thieme Verlag, 1997)This paper summarizes the antidepressant effects of certain Hypericum species on animal models. Although there are many drugs in clinical use for the management of human depression, most of the antidepressant drugs have ... -
Thalictricoside, a new phenolic compound from Thalictrum orientale
(Walter De Gruyter GMBH, 2003)From the underground parts of Thalictrum orientale Boiss., a new phenolic compound 1 was isolated in addition to one known cyanoglycoside, lithospermoside (2). For the structure elucidation of all compounds, 1D- and 2D-NMR ... -
Validated HPLC method for the determination of nocodazole in solid lipid nanoparticle formulations [Kati{dotless} lipid nanopartikül formiilasyonlan İindeki nokodazol'ün belirlenmesiiçin onaylanmiş HPLC metodu]
(Turkish Pharmacists Association, 2014)Nocodazole (NCD) is an anti-neoplastic agent which exerts its effect in cells by interfering with the polymerization of microtubules. As NCD affects the cytoskeleton, it is often used incell biology experiments as a control. ... -
Vibrational spectroscopic and conformational studies of 1-(4-pyridyl)piperazine
(Walter De Gruyter GMBH, 2010)Possible stable conformers of the 1-(4-pyridyl)piperazine (1-4pypp) molecule were experimentally and theoretically studied by FT-IR and Raman spectroscopy. FT-IR and Raman spectra were recorded in the region of 4000-200 ... -
Vibrational spectroscopic investigation and conformational analysis of 1-cyclohexylpiperazine
(Elsevier Science BV, 2010)The possible stable conformers of 1-cyclohexylpiperazine (1-chpp) molecule were experimentally and theoretically studied by FT-IR and Raman spectroscopy in the region of 4000-200 cm(-1). The optimized geometric structures ... -
Vibrational Spectroscopic Investigation and Conformational Analysis of 1-Pentylamine: a Comparative Density Functional Study
(World Scientific Publ Co Pte LTD, 2010)The possible stable conformers of 1-pentylamine (1-pa) molecule were experimentally and theoretically studied by FT-IR and Raman spectroscopy in the region of 4000-400 cm(-1). The optimized geometric structures concerning ...
