Search Results - Özyürek, Mustafa

Antioxidant Activity/Capacity Measurement. 1. Classification, Physicochemical Principles, Mechanisms, and Electron Transfer (ET)-Based Assays by Apak, Reşat, Özyürek, Mustafa, Güçlü, Kubilay, Çapanoğlu, Esra

“…Because there is no widely adopted “total antioxidant parameter” as a nutritional index for labeling food and biological fluids, it is desirable to establish…”
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Antioxidant Activity/Capacity Measurement. 2. Hydrogen Atom Transfer (HAT)-Based, Mixed-Mode (Electron Transfer (ET)/HAT), and Lipid Peroxidation Assays by Apak, Reşat, Özyürek, Mustafa, Güçlü, Kubilay, Çapanoğlu, Esra

“…Measuring the antioxidant activity/capacity levels of food extracts and biological fluids is useful for determining the nutritional value of foodstuffs and for…”
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Antioxidant Activity/Capacity Measurement. 3. Reactive Oxygen and Nitrogen Species (ROS/RNS) Scavenging Assays, Oxidative Stress Biomarkers, and Chromatographic/Chemometric Assays by Apak, Reşat, Özyürek, Mustafa, Güçlü, Kubilay, Çapanoğlu, Esra

“…There are many studies in which the antioxidant potential of different foods have been analyzed. However, there are still conflicting results and lack of…”
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Development of a Silver Nanoparticle-Based Method for the Antioxidant Capacity Measurement of Polyphenols by Özyürek, Mustafa, Güngör, Nilay, Baki, Sefa, Güçlü, Kubilay, Apak, Reşat

“…A sensitive colorimetric method for the detection of polyphenols (i.e., flavonoids, simple phenolic, and hydroxycinnamic acids) was proposed in this research…”
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Mechanism of antioxidant capacity assays and the CUPRAC (cupric ion reducing antioxidant capacity) assay by Apak, Reşat, Güçlü, Kubilay, Özyürek, Mustafa, Çelik, Saliha Esin

“… We report on the application of a simple and versatile antioxidant capacity assay for dietary polyphenols, vitamin C and vitamin E utilizing the…”
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Development of a Low-Cost Optical Sensor for Cupric Reducing Antioxidant Capacity Measurement of Food Extracts by Bener, Mustafa, Özyürek, Mustafa, Güçlü, Kubilay, Apak, Reşat

“…A low-cost optical sensor using an immobilized chromogenic redox reagent was devised for measuring the total antioxidant level in a liquid sample without…”
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Development of a Fluorescent Probe for Measurement of Peroxyl Radical Scavenging Activity in Biological Samples by Güçlü, Kubilay, Kıbrıslıoğlu, Gülşah, Özyürek, Mustafa, Apak, Reşat

“…In antioxidant activity testing, it has been argued that assays capable of measuring the inhibitive action against the biologically relevant peroxyl radicals…”
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A Novel Differential Pulse Voltammetric (DPV) Method for Measuring the Antioxidant Capacity of Polyphenols-Reducing Cupric Neocuproine Complex by Tufan, Ayşe Nur, Baki, Sefa, Güçlü, Kubilay, Özyürek, Mustafa, Apak, Reşat

“…A novel differential pulse voltammetric (DPV) method is presented, using a chromogenic oxidizing reagent, cupric neocuproine complex (Cu(Nc)2 2+), for the…”
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Novel Optical Fiber Reflectometric CUPRAC Sensor for Total Antioxidant Capacity Measurement of Food Extracts and Biological Samples by Bener, Mustafa, Özyürek, Mustafa, Güçlü, Kubilay, Apak, Reşat

“…A novel fiber optic sensor was developed for screening the total antioxidant capacity (TAC) based on the use of cupric–neocuproine (Cu(II)–Nc) immobilized onto…”
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Resorcinol as a Spectrofluorometric Probe for the Hypochlorous Acid Scavenging Activity Assay of Biological Samples by Özyürek, Mustafa, Bekdeşer, Burcu, Güçlü, Kubilay, Apak, Reşat

“…A novel spectrofluorometric method was developed and validated for hypochlorous acid (HOCl) scavenging activity estimation using resorcinol, which is a highly…”
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tert-Butylhydroquinone as a Spectroscopic Probe for the Superoxide Radical Scavenging Activity Assay of Biological Samples by Bekdeşer, Burcu, Özyürek, Mustafa, Güçlü, Kubilay, Apak, Reşat

“…As a more convenient and less costly alternative to electron spin resonance (ESR) and nonspecific nitroblue tetrazolium (NBT) and cytochrome c assays of…”
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Optimization of Microwave-Assisted Extraction of Polyphenols from Herbal Teas and Evaluation of Their in Vitro Hypochlorous Acid Scavenging Activity by Bekdeşer, Burcu, Durusoy, Nazan, Özyürek, Mustafa, Güçlü, Kubilay, Apak, Reşat

“…Hypochlorous acid (HOCl) is an important reactive oxygen species (ROS) and non-radical and is taking part in physiological processes concerned with the defense…”
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Synthesis and In Silico Evaluation of Piperazine-Substituted 2,3-Dichloro-5,8-dihydroxy-1,4-naphthoquinone Derivatives as Potential PARP‑1 Inhibitors by Nemetova, Ulviyye, Si̇yah, Pınar, Boran, Tuğçe, Bi̇lgi̇, Çiğdem, Özyürek, Mustafa, Şahi̇nler Ayla, Sibel

“…PARP-1 (poly­(ADP-ribose)-polymerase 1) inhibitors are vital in synthetic lethality, primarily due to their specificity for PARP-1 over PARP-2 (PARP-1 >…”
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Biosorption potential of two brown seaweeds in the removal of chromium by Yalçın, Sibel, Özyürek, Mustafa

“…The present work focused on the potential use of brown algae Cystoseira barbata and Cystoseira crinita from the Black Sea coast for removal and speciation…”
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Development of silver nanoparticle-chitosan composite film for determination of total antioxidant capacity of some fruit juices and plant extracts by Zor, Medet, Güçlü, Kubilay, Özyürek, Mustafa

“…In this study, a silver nanoparticle-chitosan (AgNPCh) composite film was developed for the determination of antioxidant capacity of polyphenolic compounds…”
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Novel oxime based flavanone, naringin-oxime: Synthesis, characterization and screening for antioxidant activity by Özyürek, Mustafa, Akpınar, Damla, Bener, Mustafa, Türkkan, Baki, Güçlü, Kubilay, Apak, Reşat

“…Antioxidant activity and synthesis of new naringin-oxime are reported. [Display omitted] •Naringin oxime was synthesized from the naringin.•Naringin oxime was…”
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Measurement of xanthine oxidase inhibition activity of phenolics and flavonoids with a modified cupric reducing antioxidant capacity (CUPRAC) method by Özyürek, Mustafa, Bektaşoğlu, Burcu, Güçlü, Kubilay, Apak, Reşat

“…Various dietary polyphenolics have been found to show an inhibitory effect on xanthine oxidase (XO) which mediates oxidative stress-originated diseases because…”
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Selective optical sensing of biothiols with Ellman's reagent: 5,5′-Dithio-bis(2-nitrobenzoic acid)-modified gold nanoparticles by Güçlü, Kubilay, Özyürek, Mustafa, Güngör, Nilay, Baki, Sefa, Apak, Reşat

“…•A rapid, sensitive gold nanoparticles (Au-NPs) based assay for biothiols was proposed.•Sensor was easily prepared by functionalizing Au-NPs with Ellman's…”
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Determination of antioxidants by a novel on-line HPLC-cupric reducing antioxidant capacity (CUPRAC) assay with post-column detection by Çelik, Saliha Esin, Özyürek, Mustafa, Güçlü, Kubilay, Apak, Reşat

“…A novel on-line HPLC-cupric reducing antioxidant capacity (CUPRAC) method was developed for the selective determination of polyphenols (flavonoids, simple…”
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Spectrophotometric determination of ascorbic acid by the modified CUPRAC method with extractive separation of flavonoids–La(III) complexes by Özyürek, Mustafa, Güçlü, Kubilay, Bektaşoğlu, Burcu, Apak, Reşat

“…The proposed method for ascorbic acid: AA (Vitamin C) determination is based on the oxidation of AA to dehydroascorbic acid with the CUPRAC reagent of total…”
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