Güncel Gönderiler: Kimya Bölümü Koleksiyonu
Toplam kayıt 355, listelenen: 81-100
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Identification and crop damage assessment of indian crested porcupine (Hystrix indica) in selected zones of Abbottabad, Pakistan
(SciElo, 2021)Indian crested porcupine is the largest rodent pest that damages a wide variety of crops, vegetables, and tree species which ultimately causes huge economic loss in Pakistan, which is an agricultural country. It prefers ... -
Phytochemical Fingerprints and Bioactivities of Ripe Disseminules (Fruit-Seeds) of Seventeen Gundelia (Kenger-Kereng Dikeni) Species from Anatolia with Chemometric Approach
(John Wiley)Gundelia species are known as “Kenger-kereng dikeni” in Anatolia, and their aerial parts are consumed as food. Also, roots and seeds (disseminules) of the Gundelia species are used to prepare gum and coffee. The chemical ... -
NiO micro/nanoparticles decorated carbon-based anode for the fuel cell applications in alkaline medium
(Springer, 2021)In this study, a non-enzymatic and low-cost method was presented for fuel cell applications in alkaline medium based on the utilization of nickel oxide micro/nanoparticles (NiOMNPs) for carbon-based anode fabrication. ... -
Pseudomonas fragi/graphene-gold hybrid nanomaterial bioanode based microbial fuel cell
(Royal Society of Chemistry, 2021)A Pseudomonas fragi (P. fragi) and graphene-gold hybrid nanomaterial included a carbon felt electrode (graphene-Au/CFE) bioanode was developed and optimized. Then, this bioanode was combined with a platinum cathode and a ... -
Antioxidant, anticholinesterase activities and polyphenolic constituents of cones of algerian fir (Abies numidica) by LC-ESI-MS/MS with chemometric approach
(Marmara Üniversitesi, 2021)The fractions (Fr.1-5) of the hydromethanolic extract of Abies numidica cones were studied for their polyphenol constituents, antioxidant, and anticholinesterase activities. The beta-carotene-linoleic acid, cupric reducing ... -
Chemical characterization and nutritional value of Spirulina platensis cultivated in natural conditions of Chichaoua region (Morocco)
(Elsevier B.V., 2021)The aim of the current study was to characterize the phytochemical, phytopigments, and nutritional value of Spirulina platensis produced in Chichoua region of Morocco. A natural medium based on well water-wood ash is used ... -
Green synthesis of multifunctional carbon coated copper oxide nanosheets and their photocatalytic and antibacterial activities
(Nature Publising Group, 2021)The studies of metal oxides in environmental remediation of chemical and biological pollutants are gaining colossal importance. Herein, we report the facile synthesis of multifunctional copper oxide nanosheets (CuO NS) ... -
Experimental design optimization and decolorization of an azo dye by cross-linked peroxidase aggregates
(Ege Universitesi, 2021)Synthetic textile azo-dyes are important water contaminants in industrial textile wastes and peroxidases have potential for textile-dye degradation. The optimization of enzyme activity as crosslinked enzyme aggregases ... -
Controlled release of enrofloxacin by vanillin-crosslinked chitosan-polyvinyl alcohol blends
(Elsevier, 2021)n transdermal drug delivery applications uniform drug distribution and sustained release are of great importance to decrease the side effects. In this direction in the present research, vanillin crosslinked chitosan (CS) ... -
An electrochemical immunosensor modified with titanium IV oxide/polyacrylonitrile nanofibers for the determination of a carcinoembryonic antigen
(Royal Society of Chemistry, 2021)Carcinoembryonic antigen (CEA) is considerably addressed for the clinical diagnosis of miscellaneous tumor types. In this study, an electrochemical immunosensor for the determination of the CEA biomarker was presented. ... -
Lc-ms/ms profiling of 37 fingerprint phytochemicals in oenanthe fistu-losa l. And its biological activities
(Bentham Science Publishers, 2021)Oenanthe fistulosa L. (Apiaceae) is often associated with damp soils. Its underground parts and the young leaves are mainly cooked with other vegetables. Objective: The aim of the current work was to investigate the chemical ... -
Chemical Composition and Antioxidant Activity of Essential Oil from Daucus reboudii Coss., an Endemic Plant of Algeria
(MDPI AG, 2021)Plants of the Daucus genus (Apiaceae) are used worldwide as traditional medicines or culinary ingredients. In this work, in order to explore a new chemotype, the essential oil obtained from the aerial parts of Daucus ... -
Electrochemical sensor based on perylene diimide derivative modified electrode
(Springer, 2021)A N,N’-Bis(1-isobutyl-1H-benzimidazole-2-yl)perylene-3,4,9,10-tetracarboxylic acid diimide (H1) modified carbon felt electrode has been prepared and applied for dopamine detection. Dopamine was chosen as the test analyte ... -
Efficient photochemical vapor generation of bismuth using a coiled Teflon reactor: Effect of metal sensitizers and analytical performance with flame-in-gas-shield atomizer and atomic fluorescence spectrometry
(Elsevier Inc., 2021)Photochemical vapor generation (PVG) of bismuth was accomplished in a simple flow–injection system with a standard Hg low-pressure tube lamp and a coiled Teflon reactor. The influence of a reaction medium flow rate ... -
Chemical constituents and anticholinesterase activity of the essential oil of Algerian Elaeoselinum thapsioides (desf.) maire
(Taylor and Francis Ltd., 2020)Elaeoselinum thapsioides is an Algerian medicinal plant used in traditional medicine to treat different diseases. The essential oil obtained by hydrodistillation from the aerial parts of Elaeoselinum thapsioides (Desf.) ... -
Graphene oxide-porphyrin composite nanostructure included electrochemical sensor for catechol detection
(Royal Society of Chemistry, 2021)In this study, pre-synthesized 5,10,15-tri(4-tert-butylphenyl)-20-(4-phenol)-porphyrin (Por) was incorporated with graphene oxide (GO) via ultrasonication and, as a result, GO–Por was obtained. Morphological and structural ... -
A new bioremediation method for removal of wastewater containing oils with high oleic acid composition:Acinetobacter haemolyticuslipase immobilized on eggshell membrane with improved stabilities
(Royal Society of Chemistry, 2021)As a result of the increasing demand for edible oils, which are an important part of human nutrition, in recent years, serious environmental problems may arise both during the production and after consumption of these oils. ... -
The Effects of Science Teaching Through Team Game Tournament Technique on Success Level and Affective Characteristics of Students
(2008)The purpose of this study is to investigate the effects of teaching a unit & #8220; Reproduction and Growth in Living Things& #8221; from the science curriculum of 8th graders by using Team Game Tournament (TGT) ... -
Application of microwave–assisted digestion to trace heavy metal determination in sea sediment sample
(2008)The main goal of this study is to develop an efficient microwave digestion method for the determination of Pb, Cu, Cr, Co and Zn elements from a sea sediment sample. Microwave acid digestion techniques were investigated ... -
Gold nanoparticle synthesis and characterisation
(2009)The aim of this study is to synthesize and characterize gold nanoparticles. For this purpose, the reduction reaction between tetrachloroauric acid and sodium citrate was used. At the end of the reduction reaction, gold ...
