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Toplam kayıt 281, listelenen: 243-262
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Neo-clerodane diterpenoids from Teucrium sandrasicum
(Pergamon-Elsevier Science LTD, 1997)Six new neo-clerodane diterpenoids, teusandrins A-F, and two known compounds, teucjaponin B and its 6-O-acetyl derivative, were isolated from the aerial parts of Teucrium sandrasicum. The structures of the new diterpenoids ... -
A new bisabolene derivative from the essential oil of Prangos uechtritzii fruits
(Georg Thieme Verlag Kg, 2000)The fruits of endemic Prangos uechtritzii Boiss. & Hausskn. (Umbelliferae) were subjected to hydrodistillation and microdistillation. The resulting volatiles were investigated by CC-MS to determine the composition of the ... -
New caryophyllene derivatives from Betula litwinowii
(American Chemical Society, 2000)Four new caryophyllene derivatives- 14-hydroxy-4,5-dihydro-beta-caryophyllene (1), 14-acetoxy-4,5 -dihydro-beta-caryophyllene (2), 4,5-dihydro-beta-caryophyllene-14-al (3), and caryophylla-8(14)-en-5-one (4)-are reported ... -
The occurrence of three chemotypes of Thymus longicaulis C. Presl. subsp. longicaulis in the same population
(1993)Three chemotypes of Thymus longicaulis C. Presl. subsp. longicaulis were collected from the same population growing in one sq m area. Their essential oils were investigated by means of GC and GC/MS. Thymol (52.92%), ... -
Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy
(Elsevier Ireland LTD, 2003)The essential oil composition and antimicrobial activity of Osmitopsis asteriscoides, a medicinal plant used in traditional herbal preparations in South Africa has been investigated. Three different antimicrobial methods ... -
Phosphoserine imprinted nanosensor for detection of Cancer Antigen 125
(Elsevier Science BV, 2017)Cancer antigen 125 (CA 125) is widely used as diagnostic biomarker for ovarian cancer. Change in the concentration level of CA 125 is associated with disease progression or regression. CA 125 posseses a phosphorylation ... -
Preparation and characterization of nocodazole-loaded solid lipid nanoparticles
(Informa Healthcare, 2014)Nocodazole (NCD) has more carcinogenic effect than similar drugs. Moreover, it has low drug release time and high particle size. Solid Lipid Nanoparticles (SLNs) have been evaluated for decrease in particle size and therefore ... -
The production of essential oil from cumin seeds
(2000)Steam distillation of cumin {Cuminum cyminum L.) seeds was studieds to show the effects of particle size, batch size, and distillation rate on Uieir essential oil recovery. Experiments were carried out both on bench and ... -
Production of essential oil from cumin seeds
(Consultants Bureau, 2000)Steam distillation of cumin (Cuminum cyminum L.) seeds was studied to show the effects of particle size, batch size, and distillation rate on their essential oil recovery. Experiments were carried out both on bench and ... -
Pulegone-rich essential oils of Turkey
(1998)Pulegone is a monoterpene ketone with arefreshing odor reminescent of mint. This is thereason why pulegone-rich oils containing plants are often named in Turkish after mint. Six Labiatae genera(Le., Acinos, Calamintha, ... -
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 ...
