Güncel Gönderiler: Kimya Bölümü Koleksiyonu
Toplam kayıt 355, listelenen: 261-280
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Preparation, characterization, and adsorption studies of coreAshell SiO2-CeO2 nanoparticles: a new candidate to remove Hg(II) from aqueous solutions
(Scientific Technical Research Council Turkey-Tubitak, 2016)SiO2 supported core@shell nanoparticles (CSNs) have recently attracted great attention due to their unique, tunable, optical, photocatalytic, and higher adsorption properties. In this study, SiO2@CeO2 CSNs were synthesized ... -
Centri-voltammetric detection of epinephrine
(Royal Soc Chemistry, 2016)The present study demonstrates a novel approach that has been proposed for epinephrine detection by using centri-voltammetry. The principle of the method is based on the accumulation of an analyte, here epinephrine, onto ... -
Hepatoprotective activity of viscosine is mediated by attenuation of hepatic macrophages and iNOS expression in CCl4-intoxicated rats
(Oxford Univ Press, 2016)This study investigated the molecular mechanism(s) of the protective effects of a C-alkylated flavonoid, viscosine on an animal model of CCl4-induced hepatotoxicity. Viscosine at 20, 50 and 100 mg kg(-1) was orally ... -
Compounds from Sedum caeruleum with antioxidant, anticholinesterase, and antibacterial activities
(Taylor & Francis Ltd, 2016)Context: This is the first study on the phytochemistry, antioxidant, anticholinesterase, and antibacterial activities of Sedum caeruleum L. (Crassulaceae).Objective: The objective of this study is to isolate the secondary ... -
Synthesis of Novel Rhodium Complex of Biphenylic-Imidazole-Phenanthroline and Photophysical Analysis of Metal Ions Selectively for Pb2+
(Chem Soc Pakistan, 2016)A novel rhodium biphenylic-imidazole-phenanthroline metal-organic complex has been synthesized and the photophysical properties were studied against different metal ions. The rapid and sensitive detection of metal ions ... -
Xanthine biosensor based on XO/AuNP/PtNP/MWCNT hybrid nanocomposite modified GCPE
(Korean Soc Biotechnology & Bioengineering, 2016)A new xanthine (X) biosensors based on a hybrid nanocomposite containing multi-walled carbon nanotubes (MWCNT), Pt nanoparticles (PtNP) and gold nanoparticle (AuNP) was presented. X biosensor was fabricated by dropping ... -
Synthesis and Characterisation of Biocompatible Polymer-Conjugated Magnetic Beads for Enhancement Stability of Urease
(Springer, 2016)We reported natural polymer-conjugated magnetic featured urease systems for removal of urea effectively. The optimum temperature (20-60 A degrees C), optimum pH (3.0-10.0), kinetic parameters, thermal stability (4-70 A ... -
Purification and Characterization of Laccase from Thermophilic Anoxybacillus Gonensis P39 and its Application of Removal Textile Dyes
(Ars Docendi, 2016)Textile dyes which are extensively used have important incomes commercially however they cause health and environmental problems. In this study, Anoxybacillus gonensis P39 (Gen Bank No: FJ808725) isolated from Erzurum-Ilica ... -
Fabrication of Electrochemical Model Influenza A Virus Biosensor Based on the Measurements of Neuroaminidase Enzyme Activity
(Amer Chemical Soc, 2016)Neuroaminidase (NA) enzyme is a kind of glycoprotein that is found on the influenza A virus. During infection, NA is important for the release of influenza virions from the host cell surface together with viral aggregates. ... -
Usability of natural titanium-iron oxide as filler material for ionizing electromagnetic radiation shielding composites; preparation, characterization and performance
(Springer, 2016)In the study, usability of natural titanium-iron oxide filler for ionizing electromagnetic radiation (IEMR) shielding composites with isophthalic polyester (PES) matrix was investigated for the first time. Shielding ... -
Application of Centri-voltammetry to Cytosensors: Cyto-centrivoltammetry
(Pergamon-Elsevier Science Ltd, 2016)In this work, a centri-voltammetric cytosensor suitable for the for detection of folate receptor positive cervical cancer (HeLa) cells was developed for the first time. In order to see the effect of centrifugation, developed ... -
Phytochemicals from Dodonaea viscosa and their antioxidant and anticholinesterase activities with structure-activity relationships
(Taylor & Francis Ltd, 2016)ContextDodonaea viscosa (L.) Jacq (Sapindaceae) has been used in traditional medicine as antimalarial, antidiabetic and antibacterial agent, but further investigations are needed.Objective This study determines the antioxidant ... -
Graphene-metallic nanocomposites as modifiers in electrochemical glucose biosensor transducers
(Iop Publishing Ltd, 2016)Graphene sheets and three different graphene-metallic nanocomposites including graphene-copper (graphene-Cu), graphene-nickel (graphene-Ni) and graphene-platinum (graphene-Pt) were prepared and characterized in the first ... -
Synthesis of Zeolite NaA from a New Biosilica Source
(Springer, 2016)Current study aimed to utilize agricultural waste, wheat husk to produce valuable materials. Amorphous silica (similar to 88 % purity) was extracted from acid leached wheat husk, and used in the synthesis of zeolite NaA. ... -
Polyoxy-Derivatized Perylenediimide as Selective Fluorescent Ag (I) Chemosensor
(Springer/Plenum Publishers, 2016)Recent investigations indicated that same concentrations of the ionic silver have harmful effects on aquatic life, bacteria and human cells. Herein we report chemosensory properties of N,N (') -Bis(4-{2-[2-(2-methoxyethoxy)ethoxy] ... -
Compounds from the pods of Astragalus armatus with antioxidant, anticholinesterase, antibacterial and phagocytic activities
(Taylor & Francis Ltd, 2016)Context: The phytochemical study and biological activities of Astragalus armatus Willd. subsp. numidicus (Fabaceae) pods, an endemic shrub of Maghreb, are reported. Objective: This study isolates the secondary metabolites ... -
Protective effects of Opuntia ficus-indica extract on ram sperm quality, lipid peroxidation and DNA fragmentation during liquid storage
(Elsevier Science Bv, 2016)The present study aimed to assess the phenolic composition of the acetone extract from Opuntia ficus indica cladodes (ACTEX) and its effects on ram semen variables, lipid peroxidation and DNA fragmentation during liquid ... -
Preparation, Characterization and Electrochemical Application of Graphene-metallic Nanocomposites
(Wiley-V C H Verlag Gmbh, 2016)Three different Graphene-Metallic (Graphene-Me) nanocomposites - Graphene-Silver (Graphene-Ag), Graphene-Gold (Graphene-Au) and Graphene-Platinum (Graphene-Pt) nanocomposites - were prepared and characterized. The ... -
Antioxidant, anticholinesterase and antibacterial activities of Stachys guyoniana and Mentha aquatica
(Taylor & Francis Ltd, 2017)Context: Stachys guyoniana Noe ex. Batt. and Mentha aquatica L. are two Algerian Lamiaceae used in folk medicine. Objective: To investigate their antioxidant, anticholinesterase and antibacterial activities. Material and ... -
Application of Box-Behnken design for modeling of lead adsorption onto unmodified and NaCl-modified zeolite NaA obtained from biosilica
(Iwa Publishing, 2017)The main objective of the present study was to optimize lead adsorption onto zeolite NaA. For this purpose, to synthesize zeolite NaA under hydrothermal conditions, local wheat husk was precleaned with chemical treatment ...
