Search Results - "Demir, Cevdet"
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Lipase immobilization and production of fatty acid methyl esters from canola oil using immobilized lipase
Published in Biomass & bioenergy (01-04-2011)“…Lipase enzyme from Aspergillus oryzae (EC 3.1.1.3) was immobilized onto a micro porous polymeric matrix which contains aldehyde functional groups and methyl…”
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Physical And Chemical Properties Of Pekmez (Molasses) Produced With Different Grape Cultivars
Published in Ankara Üniversitesi Ziraat Fakültesi Tarım Bilimleri Dergisi (01-01-2016)“…In this study, some physical and chemical properties of pekmez samples produced using the traditional method with fourteen different grape cultivars were…”
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Optimization and validation of ultrasensitive GC–MS/MS method to measure oxidatively induced DNA damage products and role of antioxidants in oxidation mechanism
Published in Journal of pharmaceutical and biomedical analysis (05-06-2021)“…[Display omitted] •The GC–MS/MS method was developed for the determination of DNA damage products.•The method was validated to evaluate the sensitivity of the…”
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Investigation of antioxidant ability of grape seeds extract to prevent oxidatively induced DNA damage by gas chromatography-tandem mass spectrometry
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01-01-2018)“…•Main phenolic compounds were determined in methanol extract of grape seeds.•The protective abilities of catechin and cyanidin were tested against the…”
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Determination of Antioxidant Properties of Fruit Juice by Partial Least Squares and Principal Component Regression
Published in International journal of food properties (02-07-2016)“…The multivariate calibration methods-principal component regression and partial least squares-were employed for the prediction of antioxidant capacities of…”
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Optimization of immobilization conditions of Thermomyces lanuginosus lipase on styrene–divinylbenzene copolymer using response surface methodology
Published in Journal of molecular catalysis. B, Enzymatic (01-05-2010)“…Microbial lipase from Thermomyces lanuginosus (formerly Humicola lanuginosa) was immobilized by covalent binding on a novel microporous styrene–divinylbenzene…”
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Ultrasensitive determination of DNA oxidation products by gas chromatography–tandem mass spectrometry and the role of antioxidants in the prevention of oxidative damage
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (15-04-2017)“…•Effects of rutin and isoquercitrin as standards and naturals were studied.•Antioxidant effects of V. vinifera tendrils against oxidation of DNA were…”
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Phenolic Content and Antioxidant Activity of Raspberry and Blackberry Cultivars
Published in Journal of food science (01-05-2010)“…Raspberry (Aksu Kırmızısı, Rubin, Newburgh, Hollanda Boduru, Heritage) and blackberry (Bursa 1, Bursa 2, Jumbo, Chester) cultivars were assayed for antioxidant…”
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Optimization of ultrasonic-assisted extraction of antioxidant compounds from blackberry leaves using response surface methodology
Published in Industrial crops and products (01-01-2013)“…► The RSM was employed to optimize the phenolic compounds extraction from blackberry leaves. ► The BBD proved to be a powerful tool for the optimization of…”
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Prediction of total antioxidant activity of Prunella L. species by automatic partial least square regression applied to 2-way liquid chromatographic UV spectral images
Published in Talanta (Oxford) (01-12-2016)“…Four different data representations were evaluated for the determination of the total antioxidant activities of four different Prunella L. species, which are…”
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Determination of phenolic compounds in Prunella L. by liquid chromatography-diode array detection
Published in Journal of pharmaceutical and biomedical analysis (15-07-2011)“…Four species of Prunella L. ( Prunella vulgaris L., Prunella laciniata L., Prunella grandiflora L. and Prunella orientalis Bornm.) belong to the family of…”
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Chemical profiling of floral and chestnut honey using high-performance liquid chromatography-ultraviolet detection
Published in Journal of food composition and analysis (01-09-2017)“…•Phenolic compounds can be used as markers for specific honey types.•HPLC-UV analysis provides two-way data to improve classification.•FuRES and SVMTreeG…”
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Determination of phenolic compounds profile in chestnut and floral honeys and their antioxidant and antimicrobial activities
Published in Journal of food biochemistry (01-06-2017)“…Thirty chestnut and twenty‐six of floral honeys were collected from different regions of Turkey. The amounts of phenolic compounds in honeys were determined by…”
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Simultaneous UV–vis spectrophotometric determination of disperse dyes in textile wastewater by partial least squares and principal component regression
Published in Dyes and pigments (2007)“…The wastewater samples, which were obtained from three different ways (with polyester fabric, without polyester fabric and synthetic wastewater), were used for…”
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Antioxidant and Antimicrobial Potential, and HPLC Analysis of Stictic and Usnic Acids of Three Usnea Species from Uludag Mountain (Bursa, Turkey)
Published in Iranian journal of pharmaceutical research : IJPR (01-01-2016)“…In this study, antioxidant and antimicrobial potentials of Usnea intermedia, U. filipendula, and U. fulvoreagens and their stictic and usnic acid contents were…”
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Development of a new chromium reducing antioxidant capacity (CHROMAC) assay for plants and fruits
Published in Talanta (Oxford) (15-07-2013)“…A chromium reducing antioxidant capacity (CHROMAC) assay was presented to measure antioxidant capacity of selected plants and fruits and compared its…”
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Quantification of DNA damage products by gas chromatography tandem mass spectrometry in lung cell lines and prevention effect of thyme antioxidants on oxidative induced DNA damage
Published in Mutation research (01-03-2018)“…Lung cancer has a high treatment cost and poor prognosis in comparison to other types of cancers. This work was involved in studying oxidative DNA base damage…”
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Orthogonal signal correction-based prediction of total antioxidant activity using partial least squares regression from chromatograms
Published in Journal of chemometrics (01-07-2012)“…The multivariate calibration methods—partial least squares (PLS), orthogonal signal correction and partial least squares (OSC‐PLS)—were employed for the…”
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Identification of photooxidation degradation products of C.I. Reactive Orange 16 dye by gas chromatography–mass spectrometry
Published in Dyes and pigments (01-07-2005)“…The photodegradation of aqueous solutions of C.I. Reactive Orange 16 was investigated under UV irradiation. The degradation was studied by monitoring the…”
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