Bölüm "Fakülteler, Fen Edebiyat Fakültesi, Kimya Bölümü" için listeleme
Toplam kayıt 354, listelenen: 21-40
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Antioxidant and Tyrosinase Inhibitory Activities of Flavonoids from Trifolium nigrescens Subsp petrisavi
(Amer Chemical Soc, 2013)Trifolium nigrescens was researched for its chemical constituents for the first time. Bioassay-guided isolation of the EtOAc extract from the leaves of T. nigrescens resulted in the purification of a new biflavone, 4',5,5 ... -
Antioxidant, Antibacterial, and Antiproliferative Activities of a New Phenolic Compound from Cirsium creticum subsp. creticum
(Springer, 2022)In the our ongoing studies on the isolation of new molecules from Cirsium creticum subsp. creticum (Asteraceae), a new phenolic acid derivative 1 was isolated from the plant. Its structure was established on the basis of ... -
Antioxidant, antimicrobial activities and total flavonoid contents of Cirsium bulgaricum DC. leaf extracts
(Marmara Univ, Fac Pharmacy, 2015)In this study, the antioxidant activities of methanol and acetone extracts of Cirsium bulgaricum DC. (Asteraceae) were evaluated by five antioxidant assays, including phosphomolybdate method, cupric ion reducing capacity ... -
Application of Fe-doped TiO2 specimens for the solar photocatalytic degradation of humic acid
(Elsevier Science Bv, 2017)This study aimed to assess solar photocatalytic activity of Fe-doped TiO2 specimens for the degradation of natural organic matter (NOM) represented by a model humic acid (HA). Fe-doped TiO2 specimens (P-25 and UV-100) were ... -
The application of polycarbazole, polycarbazole/nanoclay and polycarbazole/Zn-nanoparticles as a corrosion inhibition for SS304 in saltwater
(Elsevier Science Sa, 2015)Polycarbazole (PCz), polycarbazole/nanoclay and polycarbazole/Zn-nanocomposites were chemically and electrochemically synthesized on a stainless steel (SS304) electrode. The modified electrodes were characterized by ... -
Applications of commercial biosensors in clinical, food, environmental, and biothreat/biowarfare analyses
(Academic Press Inc Elsevier Science, 2015)The lack of specific, low-cost, rapid, sensitive, and easy detection of biomolecules has resulted in the development of biosensor technology. Innovations in biosensor technology have enabled many biosensors to be commercialized ... -
Applications of electrochemical immunosensors for early clinical diagnostics
(Elsevier Science Bv, 2015)Cancer and cardiovascular diseases are the major threats to global health. Hence, there is a growing demand for a range of portable, rapid and low cost biosensing devices for the detection of these diseases. Electrochemical ... -
Applications of graphene in electrochemical sensing and biosensing
(Elsevier Sci Ltd, 2016)Graphene (GR), the thinnest and the lightest sp(2) carbon nanomaterial, has exhibited extraordinary properties in terms of fast electron mobility, high current density, high mechanical strength, excellent thermal conductivity, ... -
Askorbik asit varlığında aluminyum oksit nanopartikülleri ile modifiye edilmiş karbon pasta elektrotta ürik asit tayini
(Namık Kemal Üniversitesi, 2016)Elektrokimyasal yöntemler, farklı yükseltgenme basamağına sahip türlerin tayini çalışmalarında yaygın biçimde kullanılmaktadır. Bu çalışmada ürik asidin elektrokimyasal davranışı alüminyum oksit nanopartikülleri ile ... -
Assessment of heavy metal contamination in soil and wheat (Triticum Aestivum L.) plant around the çorlu-çerkezkoy highway in thrace region
(Global Network Environmental Science & Technology, 2012)Pollution caused by traffic activities is increasingly becoming a great threat to human health in the region of Thrace in north-west of Turkey. Thirty six soil and plant samples were collected from the vicinity of ... -
AuNPs modified, disposable, ITO based biosensor: Early diagnosis of heat shock protein 70
(Elsevier Advanced Technology, 2016)This paper describes a novel, simple, and disposable immunosensor based on indium-tin oxide (ITO) sheets modified with gold nanoparticles to sensitively analyze heat shock protein 70 (HSP70), a potential biomarker that ... -
Azaindole-BODIPYs: Synthesis, fluorescent recognition of hydrogen sulfate anion and biological evaluation
(Pergamon-Elsevier Science Ltd, 2019)The synthesized and sensing capability of two novel azaindole substituted mono and distyryl BODIPY dyes against bisulfate anion were reported. Structural characterizations of the targeted compounds were conducted by using ... -
Beta-galactosidase Determination by an Electrochemical Biosensor Mediated with Ferrocene
(Informa Healthcare, 2011)In this paper, a new viewpoint on the activity determination of beta-galactosidase is reported. Glucose oxidase was directly immobilized on a glassy carbon electrode and mediated by ferrocene. The biosensor's performance ... -
Binary nanocomposites of reduced graphene oxide and cobalt (II, III) oxide for supercapacitor devices
(Taylor and Francis Ltd., 2021)In this study, a simple and one-step cost-effective preparation of rGO/Co3O4 nanocomposite was given out in different monomer concentrations of [rGO]o/[Co3O4]o= 1:1; 1:2; 1:5 and 1:10. The electroactive materials were ... -
Bioaccumulation of essential and toxic metals in four different species of bottom fish in the marmara sea, tekirdag, Turkey: Risk assessment to human health
(Desalination Publications, 2019)Due to the intensive industrial and agricultural activities in the Thrace region and the maritime transport that directly and/or indirectly affect Tekirdağ coastal areas, the pollution starts from the Tuna River and extends ... -
BIOACTIVE COMPOUNDS, ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES OF TWO Cirsium SPECIES
(Wydawnictwo Akad Rolniczej W Lublinie, 2019)In the GC-MS analysis, 81 bioactive phytochemical compounds were identified in hexane extracts of Cirsium creticum and Cirsium italicum. Terpenoids constituted the main fractions of C. italicum (70.95%), while hydrocarbons ... -
Biodiesel production from waste frying oils and its quality control
(Pergamon-Elsevier Science Ltd, 2010)The use of biodiesel as fuel from alternative sources has increased considerably over recent years, affording numerous environmental benefits. Biodiesel an alternative fuel for diesel engines is produced from renewable ... -
Biological activity of new flavonoids and phenolic compounds from Cirsium italicum (Savi) DC.
(Taylor & Francis Ltd, 2021)Cirsium italicum (Savi) DC. was researched for its phytochemicals for the first time. Two new biflavonoids, 5,5'',7''-trihydroxy-3,7-dimethoxy-4'-4'''-O-biflavone (3), (8,3',4',5'-tetrahydroxy-7-O-alpha-glucosyl ... -
A Biosensor Based on Zucchini (Cucurbita Pepo L.) Homogenate as a Biorecognition Layer for Ascorbic Acid Determination
(Informa Healthcare, 2010)An amperometric biosensor based on zucchini (Cucurbita pepo) tissue homogenate is presented. The zucchini tissue homogenate was crosslinked with gelatine using glutaraldehyde and fixed on a pretreated teflon membrane. The ... -
A Biosensor for the Determination of beta-galactosidase Activity: A Different Viewpoint on Biosensors
(Informa Healthcare, 2011)beta-galactosidase splits lactose into glucose and galactose. Because of its biotechnological interest, we presented a biosensor system in order to monitor beta-galactosidase activity. Immobilization steps of the biosensor ...