Güncel Gönderiler: Kimya Bölümü Koleksiyonu
Toplam kayıt 352, listelenen: 281-300
-
Chemical composition, antioxidant, anticholinesterase and anti-urease activities of Sideritis pisidica Boiss. & Heldr. endemic to Turkey
(Marmara Univ, Fac Pharmacy, 2017)The objective of this study was to investigate the chemical composition, antioxidant, anticholinesterase and anti-urease activities of essential oil, hexane, acetone and methanol extracts of Sideritis pisidica Boiss. & ... -
A rapid synthesis of 2-substituted 1,2,3-triazole-1-oxide derivative starting from 4-(methyl)isonitrosoacetophenone and its Ni(II) complex: Characterization, DNA binding and cleavage properties
(Elsevier Science Bv, 2017)An efficient route, not including any metal salt as a catalyst, for the synthesis of a new 2-substituted 1,2,3- triazole-1-oxide is reported in this paper. The title compound has been synthesized via reacting 4-(methyl)i ... -
Effect of particle size of mineral fillers on polymer-matrix composite shielding materials against ionizing electromagnetic radiation
(Springer, 2017)Filler particle size is an important particle that effects radiation attenuation performance of a composite shielding material but the effects of it have not been exploited so far. In this study, two mineral (hematite-ilmenite) ... -
New Bioflavonoids from Solanum nigrum L. by Anticholinesterase and Anti-tyrosinase Activities-guided Fractionation
(Acg Publications, 2017)Two new biflavonoids, (8-hydroxy-3'-beta-D-galactosyl-isoflavone)-2'-8'''-(4'''-hydroxy-flavone)biflavone (2); 2', 3', 5-trihydroxy-5 ''-methoxy-3 ''-O-a-glucosyl-3-4'''-O-biflavone (3) and along with apigenin (1) and ... -
Characterization of Aromatic Volatile Compounds of Eight Wild Mushrooms by Headspace GC-MSD
(Springer, 2017)[No abstract available] -
One-pot synthesis of a new 2-substituted 1,2,3-triazole 1-oxide derivative from dipyridyl ketone and isonitrosoacetophenone hydrazone: Nickel(II) complex, DNA binding and cleavage properties
(Academic Press Inc Elsevier Science, 2017)An efficient and simple one-pot synthesis of a new 1,2,3-triazole-1-oxide via reaction between isonitrosoacetophenone hydrazone and dipyridyl ketone in the EtOH/AcOH at room temperature has been developed smoothly in high ... -
Porphyrin-Based Dye-Sensitized Solar Cells (DSSCs): a Review
(Springer/Plenum Publishers, 2017)The current review aims to collect short information about photovoltaic performance and structure of porphyrin-based sensitizers used in dye-sensitized solar cells (DSSC). Sensitizer is the key component of the DSSC device. ... -
Development of an Osmium Redox Polymer Mediated Bioanode and Examination of its Performance in Gluconobacter oxydans Based Microbial Fuel Cell
(Wiley-V C H Verlag Gmbh, 2017)Gluconobacter oxydans (G. oxydans) cells together with an osmium redox polymer (ORP) [Osmium (2,2'-bipyridine) 2(poly-vinylimidazole) 10Cl] Cl were combined with a glassy carbon paste electrode (GCPE) to form a bioanode ... -
Potassium compounds for gamma spectrometer efficiency verification
(Pergamon-Elsevier Science Ltd, 2017)Now-a-days several standard and well calibrated radioactive sources are available for gamma spectrometer efficiency calibration but at some situations, like lack of standard calibrators, in need of verification of standards ... -
Content of Minerals and Trace Elements Determined by ICP-MS in Eleven Mushroom Species from Anatolia, Turkey
(Chiang Mai Univ, Fac Science, 2017)The mineral and trace element content of 11 mushroom species; namely, Fomes fomentarius, Funalia trogii, Ganoderma adspersum, Ganoderma applanatum, Ganoderma lucidum, Gyromitra esculenta, Lyophyllum decastes, Pleurotus ... -
Voltammetric determination of caffeine by using gold nanoparticle-glassy carbon paste composite electrode
(Elsevier Sci Ltd, 2017)In the present study, simple and sensitive voltammetric determination of caffeine was carried out by using a gold nanoparticle-glassy carbon paste composite electrode (AuNP-GCPE) in 3.2 mM H2SO4 (pH 2.5). The effects of ... -
Dielectric properties of lithium-perchlorate-filled acrylonitrile-hexyl methacrylate copolymer films
(Wiley, 2017)A series of poly(acrylonitrile-co-hexyl methacrylate), PAN-co-PHMA, copolymers with various hexyl methacrylate (HMA) contents were synthesized by emulsion technique. The incorporation of HMA units into the copolymers was ... -
LIPID COMPOSITIONS OF Bjerkandera adusta (WILLD) P KARST
(Yildiz Technical Univ, 2017)Mushrooms are considered as a substantial nutrient, which are the source of many vitamins as well as protein and mineral. Since ancient times, it has been known that mushrooms used as food as well as medicine in many ... -
The effect of process variables on the properties of nanoporous silica aerogels: an approach to prepare silica aerogels from biosilica
(Springer, 2017)Silica aerogel, a nanoporous material, was produced by using rice husk ash via sol-gel method. The aim of the study is to examine effects of the acid type (acetic, hydrochloric, nitric, oxalic and sulfuric acid), dryer ... -
Carboxylic acid functionalized multi-walled carbon nanotube assisted centri-voltammetry as a new approach for caffeine detection
(Royal Soc Chemistry, 2017)This study focuses on the applicability of centri-voltammetry by using carboxylic acid functionalized multi-walled carbon nanotubes (MWCNTs-COOH) as a carrier reagent for caffeine detection. The effects of experimental ... -
Electro-nano Diagnostic Platforms for Simultaneous Detection of Multiple Cancer Biomarkers
(Wiley-V C H Verlag Gmbh, 2017)In this study, a bimetallic nanomaterial-based electrochemical immunosensor was developed for the detection of carcinoembryonic antigen (CEA) and vascular endothelial growth factor (VEGF) cancer biomarkers at the same time. ... -
Essential Oil Composition, Antioxidant, Anticholinesterase and Anti-tyrosinase Activities of Two Turkish Plant Species: Ferula elaeochytris and Sideritis stricta
(Natural Products Inc, 2018)The aim of the present study is to characterize chemical compositions and antioxidant, anticholinesterase and anti-tyrosinase activities of Ferula elaeochytris and Sideritis stricta essential oils. The hydrodistilled ... -
Effects of essential oils from Liquidambar orientalis Mill. leaves on growth performance, carcass and some organ traits, some blood metabolites and intestinal microbiota in broilers
(Taylor & Francis Ltd, 2018)1. This study was carried out to investigate the effects of liquidambaressential oils (LEO) isolated from Turkish sweet gum (Liquidambar orientalis Mill.) leaves on growth performance, carcass, edible inner organs (EIO), ... -
A novel Salvialactomine from the callus culture of Salvia santolinifolia Boiss
(Taylor & Francis Ltd, 2018)A novel compound Salvialactomine (1) along with two other unusual occurring natural products Pentatriacontanoic acid 1, 3-dihydroxypropyl ester (2) and 5-Methylflavone (3) were isolated from the callus of Salvia santolinifolia ... -
Electrochemical Determination of Dopamine Using a Novel Perylenediimide-Derivative Modified Carbon Paste Electrode
(Taylor & Francis Inc, 2018)A novel perylenediimide derivative, N,N-bis(4-{2-[2-(2-methoxyethoxy ethoxy]ethoxy}phenyl)-3,4:9,10-perylene tetracarboxydiimide, was utilized for the modification of a carbon paste electrode to develop a practical and ...
