Yazar "Faiz, Özlem" için listeleme
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Binuclear Cu(II), Ni(II) and Zn(II) complexes of hydrazone Schiff bases: Synthesis, spectroscopy, DFT calculations, and SOD mimetic activity
Zengin, Ali; Serbest, Kerim; Emirik, Mustafa; Özil, Musa; Menteşe, Emre; Faiz, Özlem (Elsevier, 2023)Two new salicylaldimine-based N-heterocyclic hydrazone ligands, N'-[(2-hydroxyphenyl) methylene]2-(2-phenyl-1H-benzimidazol-1-yl)acetohydrazone (H 2 L 1 ) and 2-[2-(3-chlorobenzyl)-1H-benzimidazol-1yl]-N'-[(2-(hydroxyimi ... -
Chemical variation, antimicrobial, nitric oxide scavenging activities and tyrosinase inhibition of essential oils and solvent extracts from filipendula vulgaris moench growing in Turkey
Fandaklı, Seda; Korkmaz, Büşra; Faiz, Özlem; Kılıç, Gözde; Erik, İshak; Terzioğlu, Salih; Yaylı, Nurettin (Shaheed Beheshti University, 2021)Volatile organic compositions of the essential oils (EOs), solid-phase microextraction (SPME) and SPME of n-hexane extracts from the flower and stem-leaf of Filipendula vulgaris (F. vulgaris) were analyzed by GC-FID/MS. A ... -
Clinical and biochemical efficacies of green and white tea extract mouthwashes in the management of plaque-induced gingivitis
Köse, Oğuz; Saraç Gül, Yağmur; Bostan, Semih Alperen; Faiz, Özlem; Akyıldız, Kerimali; Yılmaz, Adnan (Wiley, 2024)Objective: In this clinical study, chlorhexidine gluconate (CHX) was chosen as the positive control group, and the clinical and biochemical efficacy of mouthwashes with green tea, white tea and essential oil (EO) as the ... -
Cloning, expression and characterization of highly thermo- and pH-stable maltogenic amylase from a thermophilic bacterium Geobacillus caldoxylosilyticus TK4
Kolcuoğlu, Yakup; Çolak, Ahmet; Faiz, Özlem; Belduz, Ali Osman (Elsevier, 2010)Maltogenic amylases (MAases), a subclass of cyclodextrin (CD)-hydrolyzing enzymes, belong to glycoside hydrolase family 13. A gene corresponding to MA in Geobacillus caldoxylosilyticus TK4 (GcaTK4MA) was cloned into pET28a(+) ... -
Cloning, expression and characterization of xylose isomerase from thermophilic Geobacillus caldoxylosilyticus TK4 strain
Faiz, Özlem; Çolak, Ahmet; Kolcuoğlu, Yakup; Ertunga, Nagihan Sağlam (Turkish Biochemistry Society, 2011)Aim: To clone the gene of Xylose isomerase (XyI) from thermophilic Geobacillus cal-doxylosilyticus TK4 strain and to express and characterize this enzyme. Methods: XyI gene of Geobacillus caldoxylolyticus was cloned into ... -
Determining the levels of acrylamide in some traditional foods unique to Turkey and risk assessment
Başaran, Burhan; Faiz, Özlem (Brieflands, 2022)In this study, exposure risk assessment was made by determining the acrylamide levels of some traditional foods frequently consumed by the Turkish society and registered geographical indication. For this purpose, acrylamide ... -
Diet-mediated modulation on the development and phenoloxidase activity in the Alder leaf beetle larvae, Agelastica alni (L., 1758) (Coleoptera: Chrysomelidae)
Sivrikaya, Rukiye; Altun, Nurver; Faiz, Özlem (Entomological Soc Turkey, Ege Univ, 2020)Food-induced changes in the phenoloxidase activity and development of Agelastica alni (L.,1758) (Coleoptera: Chrysomelidae) larvae reared on unbalanced artificial diets were examined. the study was conducted between ... -
Effect of environmental pollution on nutritional indices and the phenoloxidase activity of agelastica alni (Coleoptera: Chrysomelidae) larvae
Altun, Nurver; Özgenç, Şükrü; Kılcı, Leyla; Faiz, Özlem (Springer, 2024)Abstract: The present study investigated the nutritional indices and immune responses of Agelastica alni L. larvae in heavy metal pollution (cadmium, zinc, copper, nickel, and iron). Larvae collected from 2 different ... -
Effects of diet on phenoloxidase activity and development of ephestia kuehniella zeller (Lepidoptera: Pyralidae) larvae
Korkmaz, Ebru; Altun, Nurver; Faiz, Özlem (Pleiades Publishing, 2022)In this study, the effects of different concentrations of carbohydrates on the phenoloxidase activity (PO) and development of Ephestia kuehniella larvae were investigated. For this purpose, 10 artificial diets-containing ... -
Experimental and theoretical studies on Cu(II) complex of N,N '-disalicylidene-2,3-diaminopyridine ligand reveal indirect evidence for DNA intercalation
Koçak, Abdulkadir; Yılmaz, Hakan; Faiz, Özlem; Andaö, Ömer (Pergamon-Elsevier Science Ltd, 2016)A potential DNA intercalating Cu(II) complex ([CuL]) of the N,N'-disalicylidene-2,3-diaminopyridine ligand (H2L; dianion =L2- has been synthesized and characterized. the photophysical and the DNA binding behaviors of the ... -
Heteroligand bivalent transition metal complexes with an azo-oxime ligand and 1,10-phenanthroline: Synthesis, spectroscopy, thermal analysis, DFT calculations and SOD-mimetic activities
Serbest, Kerim; Dural, Turan; Emirik, Mustafa; Zengin, Ali; Faiz, Özlem (Elsevier B.V., 2021)Novel mononuclear heteroligand transition metal complexes: [M(HL)(phen)2]ClO4, (M: Mn(II) for 1, Ni(II) for 2), [M(HL)(phen)(ClO4)], (Ni(II) for 3, Cu(II) for 4, Zn(II) for 5) with 2-[(E)-(hydroxyimino)methyl]-4-[(E)-phe ... -
Immobilization of polyphenol oxidase enzyme on new matrix antimony doped tin oxide (SnO2:Sb) thin film
Türkhan, Ayşe; Faiz, Özlem; Kaya, Elif Duygu; Koçyiğit, Adem (Parlar Scientific Publications (P S P), 2018)Polyphenol oxidase enzymes (PPOs) obtained from Agseftali (Prunus persica L.), which was native peach genotypes under Igdir province ecological condition in Turkey, was purified by affinity chromatography and then, PPOs ... -
Microwave-assisted synthesis and biological evaluation of some coumarin hydrazides
Yılmaz, Fatih; Faiz, Özlem (2018)In this work, 15 different coumarin hydrazides were successfully synthesized and screened for their antioxidant and antilipase activities. To do this, firstly, salicylaldehyde derivatives and Meldrum's Acid were reacted ... -
New xylanolytic enzyme from Geobacillus galactosidasius BS61 from a geothermal resource in Turkey
Sarı, Bilge; Faiz, Özlem; Genç, Berna; Şişecioğlu, Melda; Adıgüzel, Ahmet; Adıgüzel, Gülşah (Elsevier Science Bv, 2018)In this study, isolation, conventional and molecular characterizations of ten thermophilic bacteria from Rize/Ayder were carried out. Xylanase from Geobacillus galactosidasius BS61 (GenBank number: 10(447660) was purified ... -
A novel endo-β-1,4-xylanase from Pediococcus acidilactici GC25; purification, characterization and application in clarification of fruit juices
Adıgüzel, Gülşah; Faiz, Özlem; Şişecioğlu, Melda; Sarı, Bilge; Baltacı, Özkan; Akbulut, Sümeyya; Genç, Berna; Adıgüzel, Ahmet (Elsevier Science Bv, 2019)A novel extracellular xylanase was purified and characterized from Pediococcus acidilactici GC25 (GenBank number: MF289522). the purification was 4.6-fold with a yield of 43.61% through acetone precipitation, Q-Sepharose, ... -
Phthalocyanine and azaphthalocyanines containing eugenol: synthesis, DNA interaction and comparison of lipase inhibition properties
Kantar, Günay Kaya; Faiz, Özlem; Şahin, Onur; Şaşmaz, Selami (Indian Acad Sciences, 2017)Novel eugenol-substituted zinc(II) azaphthalocyanines (ZnAzaPcs) were synthesised and their lipase inhibition and DNA binding properties compared with phthalocyanines (Pcs) containing eugenol. This is the first study on ... -
Piperazine-azole-fluoroquinolone hybrids: Conventional and microwave irradiated synthesis, biological activity screening and molecular docking studies
Mermer, Arif; Faiz, Özlem; Demirbaş, Ahmet; Demirbaş, Neslihan; Alagumuthu, Manikandan; Arumugam, Sivakumar (Academic Press Inc Elsevier Science, 2019)A series of new 1,2,4-triazole and 1,3,4-oxadiazole derivatives was obtained via several steps sequential reactions of phenyl piperazine. Then, these compounds were converted to the corresponding fluoroquinolone hybrids ... -
Polyphenol oxidase properties, anti-urease, and anti-acetylcholinesterase activity of Diospyros lotus L. (Plum Persimmon)
Faiz, Özlem; Baltaş, Nimet (Taylor & Francis Inc, 2017)Diospyros lotus fruit polyphenol oxidase was purified using affinity chromatography, resulting in a 15-fold enrichment in specific activity. the purified enzyme, having 16.5 kDa molecular weight on sodium dodecyl ... -
Purification and characterization of a polyphenol oxidase from cimin grape (Vitis vinifera spp., Cimin)
Faiz, Özlem (Research Journal Biotechnology, 2016)A polyphenol oxidase (PPO) from Cimin grape was purified 11.2-fold by using a Sepharose 4B-L-tyrosine-p-aminobenzoic acid affinity column. the optimum pH and temperature of PPO purified from Cimin grape were 7.5 and 30 ... -
Volatile and phenolic contents, antimicrobial and tyrosinase activities of two endemic species scorzonera pisidica and scorzonera sandrasica L. Grown in Turkey
Yaylı, Nurettin; Öksüz, Enes; Korkmaz, Büşra; Erik, İshak; Fandaklı, Seda; Faiz, Özlem (ACG Publications, 2022)Phytochemical analysis of two endemic Scorzonera pisidica Hub.-Mor. and Scorzonera sandrasica Hartvig & Strid species have not been mentioned before. In this work, volatile organic compounds, phenolic contents, antimicrobial, ...
