Başlık için Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 352, listelenen: 110-129
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A detailed study on chemical and biological profile of nine Euphorbia species from Turkey with chemometric approach: Remarkable cytotoxicity of E-fistulasa and promising tannic acid content of E-eriophora
(Elsevier Science Bv, 2018)The propose of this study is to investigate the chemical constituents of nine Euphorbia species; namely, E. aleppica, E. eriophora, E. macroclada, E. grisophylla, E. seguieriana subsp. seguieriana, E. craspedia, E. ... -
Determination and comparison of metal contents in simulated body fluid medium conditions of the plant species by flame atomic absorption spectrometry (FAAS)
(Marmara University, 2022)The importance of plants in folk medicine and scientific studies is increasing day by day. In this context, the plants pose a danger to human health when they are eaten by the public, consumed as herbal tea or used as ... -
Determination of chemical profile, antioxidant, DNA damage protection and antiamoebic activities of Teucrium polium and Stachys iberica
(Elsevier Science Bv, 2011)This work deals with the evaluation of in vitro antioxidant, DNA preventing and antiamoebic activities of the water extracts of Teucrium polium and Stachys iberica. In all systems, T. polium extract exhibited excellent ... -
Determination of Exogenous Adrenaline Levels in Patients Undergoing Cardiopulmonary Resuscitation
(American Chemical Society, 2023)Core-shell quantum dot ZnS/CdSe screen-printed electrodes were used to electrochemically measure human blood plasma levels of exogenous adrenaline administered to cardiac arrest patients. The electrochemical behavior of ... -
Determination of heavy metal levels in some moss species around thermic power stations
(1998)Çalışmamızda Muğla ve civarında kurulmuş olan termik santrallerin yakınlarında bulunan karayosunlarında kimyasal analizlerle ağır metal kirliliği tespit edilmiştir. -
Determination of heavy metals (Cd, Pb) and trace elements (Cu, Zn) in sediments and fish of the Southeastern Aegean Sea (Turkey) by atomic absorption spectrometry
(Elsevier Sci Ltd, 2006)The Bay of Gulluk in Southeastern Aegean Sea (Turkey) is very important by the potential of marine product in the Aegean Sea. There are various polluting elements in Gulluk Bay. The current situation of the bay and impact ... -
Determination of Mercury, Cadmium, Lead, Zinc, Selenium and Iron by ICP-OES in Mushroom Samples from Around Thermal Power Plant in Mugla, Turkey
(Springer, 2011)Scleroderma verrucosum, Stropharia coronilla, Lactarius deterrimus, Chroogomphus rutilus, Russula delica, Laccaria laccata, Clitocybe odora var. alba, Lyophyllum decastes, Coprinus comatus, Helvella leucomelaena, Melanoleuca ... -
Determination of radioactivity levels in feldspathic dental ceramics
(Elsevier, 2021)Activity concentrations of 42 different feldspathic dental ceramic powders were determined using a gamma spectrometer with an HPGe detector. The average 238U, 232Th and 226Ra activity concentrations of the specimens were ... -
Development and application of a SARS-CoV-2 colorimetric biosensor based on the peroxidase-mimic activity of γ-Fe 2 O 3 nanoparticles
(Springer, 2021)A practical colorimetric assay was developed for the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). For this purpose, magnetic γ Fe2O3 nanoparticles were synthesized and used as a peroxidase-like ... -
Development and Validation of a Novel LC–MS/MS Method for the Quantitation of 19 Fingerprint Phytochemicals in Salvia Species: A Chemometric Approach
(Oxford Academic, 2021)Being traditionally utilized mainly as appetizers and herbal teas as well as used to ease abdominal pains, colds and gastrointestinal issues, the genus Salvia L. has gained significant consideration owing to its remarkable ... -
Development of a microbial biosensor based on carbon nanotube (CNT) modified electrodes
(Elsevier Science Inc, 2007)Pseudomonas putida DSM 50026 cells were used as the biological component and the measurement was based on the respiratory activity of the cells estimated from electrochemical measurements. The cells were immobilised on ... -
DEVELOPMENT OF A NEW BIOSENSOR FOR DETERMINATION OF CATALASE ACTIVITY
(Taylor & Francis Inc, 2014)Catalase is one of the major antioxidant enzymes that catalyzes the hydrolysis of H2O2. The aim of this study was to suggest a new method for the assay of catalase activity. For this purpose, an amperometric biosensor based ... -
Development of a Sensitive Method for Cadmium Determination in Fish Tissue and Drinking Water Samples by FAAS Using SQT In Situ Atom Trapping
(ACS, 2023)A sensitive and robust trap method was developed for the determination of cadmium (Cd) by using a slotted quartz tube. Using this method at a sample suction rate of 7.4 mL/min for 4.0 min collection, a 1467-fold increase ... -
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 ... -
Development of environment-friendly magnetic nanobiocomposites and full factorial design (FFD) analysis for strontium removal from aqueous solutions
(Springer Science and Business Media B.V., 2023)In this study, magnetic (Fe3O4) nanobiocomposite were synthesized by a co-precipitation method using pectin biopolymer as a stabilizer. Nanobiocomposites were characterized via several characterization methods. The particle ... -
Development of MoS2 and Au nanoparticle including disposable CEA-based immuno-cytosensor platforms
(SPRINGER INTERNATIONAL PUBLISHING AG, 2022)In this study, an electrochemical biosensor for determination of Carcinoembryonic antigen (CEA) biomarker using human breast ductal adenocarcinoma (MCF-7) and human ovarian adenocarcinoma (SK-OV-3) cancer cells was presented. ... -
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 ... -
DISSOLUTION OF STAINLESS STEEL UNDER ALTERNATING CURRENT POLARIZATION
(Natl Acad Sci Republic Kazakhstan, 2018)The present work studies the dissolution of stainless steel electrode (12X18H10T) under alternating current polarization with frequency of 50 Hz in sulfuric acid solution. The impact of the current density (200-1200 A/m(2)) ... -
Double-walled carbon nanotube based carbon paste electrode as xanthine biosensor
(Springer Wien, 2009)We describe the first usage of a double walled carbon nanotube (DWCNT) modified carbon paste electrode as biosensor transducer. Xanthine was chosen as a substrate for evaluation of the electrode performance. Proper amount ...
