Kurum Yazarı "Ceylan, Özgür" Meslek Yüksekokulları İçin Listeleme
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Anti-Quorum Sensing and Antioxidant Activity of Essential Oils Extracted From Juniperus Species, Growing Spontaneously in Tebessa Region (East of Algeria)
Boudiba, Sameh; Tamfu, Alfred Ngenge; Berka, Baya; Ceylan, Özgür (SAGE Publications Inc., 2021)The chemical composition of essential oils (EOs) extracted from the aerial parts of 2 species of Juniperus was determined by Gas Chromatography-Mass Spectrometry (GC-MS). In total, 65 and 58 compounds accounting for 90.3% ... -
Antibiofilm and anti-quorum sensing activities of polyethylene imine coated magnetite and nickel ferrite nanoparticles
Ceylan, Özgür; Tamfu, Alfred Ngenge; İspirli Doğaç, Yasemin; Teke, Mustafa (Springer Science and Business Media Deutschland GmbH, 2020)This study was aimed at synthesizing polyethyleneimine-coated magnetic nanoparticles and evaluating their effect on pathogenic bacteria. Polyethyleneimine-coated magnetite (PEIMnF) and nickel ferrite (PEINF) nanoparticles ... -
Antibiofilm and Anti-Quorum Sensing Potential of Cycloartane-Type Triterpene Acids from Cameroonian Grassland Propolis: Phenolic Profile and Antioxidant Activity of Crude Extract
Tamfu, Alfred Ngenge; Ceylan, Özgür; Cârâc, Geta; Talla, Emmanuel; Dinica, Rodica Mihaela (MDPI, 2022)Propolis is very popular for its beneficial health properties, such as antimicrobial activity and antioxidant effects. It is one of the most long-serving traditional medicines to mankind due to its interesting chemical ... -
Antibiofilm, Antioxidant, Antimutagenic Activities and Phenolic Compounds of Allium orientale BOISS.
Ceylan, Özgür; Alıç, Halime (Inst Tecnologia Parana, 2015)This is the first study to investigate the antibiofilm, antioxidant and antimutagenic activities and phenolic compounds of Allium orientale. Antimicrobial activity of ethanolic extracts of A. orientale was determined by a ... -
Antibiofilm, antiquorum sensing and antioxidant activity of secondary metabolites from seeds of Annona senegalensis, Persoon
Tamfu, Alfred Ngenge; Ceylan, Özgür; Fru, Godloves Chi; Öztürk, Mehmet; Duru, Mehmet Emin; Shaheen, Farzana (Academic Press Ltd- Elsevier Science Ltd, 2020)The increasing resistance of bacteria to antibiotics has motivated the interest in potent natural compounds capable of disrupting bacterial cell-to-cell communication. Column chromatography of seed extract of Annona ... -
Antioxidant and Anti-quorum Sensing Potential of Acer monspessulanum subsp monspessulanum Extracts
Ceylan, Özgür; Şahin, Mehtap Dönmez; Akdamar, Gültekin (Georg Thieme Verlag Kg, 2016)In this study, anti-quorum sensing, and antioxidant activities, and chemical composition of Acer monspessulanum subsp. monspessulanum extracts were evaluated. Determination of the antioxidant activity was revealed by DPPH ... -
Assessment of in vitro activities and chemical profiling of Senecio hoggariensis growing in Algerian Sahara
Arab, Yasmine; Şahin, Bihter; Ceylan, Özgür; Zellagui, Amar; Ölmez Tokul, Özge; Küçükaydın, Selçuk; Tamfu, Alfred Ngenge; Gherraf, Noureddine; Öztürk, Mehmet (Society for Indonesian Biodiversity, 2022)The in vitro antioxidant, anticholinesterase, tyrosinase inhibitory, antibiofilm, and anti-quorum sensing activities of the ethyl acetate extract of Senecio hoggariensis, growing in Algerian Sahara, were studied along with ... -
Assessment of the antibiofilm and antiquorum sensing activities of Eucalyptus globulus essential oil and its main component 1,8-cineole against methicillin-resistant Staphylococcus aureus strains
Merghni, Abderrahmen; Noumi, Emira; Hadded, Ons; Dridi, Neyla; Panwar, Harsh; Ceylan, Özgür; Snoussi, Mejdi (Academic Press Ltd- Elsevier Science Ltd, 2018)Antibacterial resistance is an increasingly serious threat to global public health. The search for new anti-infection agents from natural resources, with different mode of actions and competitive effects became a necessity. ... -
Chemical composition and anti-biofilm activity of Thymus sipyleus BOISS. subsp sipyleus BOISS. var. davisianus RONNIGER essential oil
Ceylan, Özgür; Uğur, Aysel (Pharmaceutical Soc Korea, 2015)In this study, antimicrobial and antibiofilm activities and the chemical composition of Thymus sipyleus BOISS. subsp. sipyleus BOISS. var. davisianus RONNIGER essential oil was evaluated. The essential oil was obtained by ... -
Chemical composition, anti-quorum sensing, enzyme inhibitory, and antioxidant properties of phenolic extracts of clinopodium nepeta l. Kuntze
Beddiar, Hatem; Boudiba, Sameh; Benahmed, Merzoug; Ceylan, Özgür; Küçükaydın, Selçuk (MDPI, 2021)Phenolic extracts of Clinopodium nepeta were prepared and their preliminary phenolic profiles determined using HPLC-DAD with 26 phenolic standards. Apigenin (21.75 ± 0.41 µg/g), myri-cetin (72.58 ± 0.57 µg/g), and rosmarinic ... -
A chemometric study on phenolic profiles and biological properties of cotton honeys from Turkey
Çayan, Fatih; Tel-Çayan, Gülsen; Taş-Küçükaydın, Meltem; Küçükaydın, Selçuk; Korkmaz, Cansu; Duru, Mehmet Emin; Ceylan, Özgür (Springer Science and Business Media Deutschland GmbH, 2023)Honey, a nutritious and healthy product, has recently been the focus of research due to its characteristic chemical composition and a wide variety of biological properties. The current study aims to investigate the phenolic ... -
Design andin vitroantibiofilm activity of propolis diffusion-controlled biopolymers
Ceylan, Özgür; Karakuş, Hatice; Çiçek, Hüseyin (Wiley, 2020)In this study, a novel pH-sensitive hydrogel beads that is based on gelatin/sodium alginate/chitosan (GEL/SA/CS) loaded with propolis ethanolic extracts (PE) were synthesized. The swelling behavior of GEL/SA/CS hydrogel ... -
Determination of antimicrobial and anti-quorum sensing activities of water and ethanol extracts of propolis
Sorucu, Ali; Ceylan, Özgür (Chartered Inst. of Building Services Engineers, 2021)Quorum Sensing is a special system between bacteria to communicate with the signal molecules. Propolis is a resin collected from plants by honey bees. The present study examined anti-quorum sensing and antimicrobial ... -
The effect of different feeding strategies on honey bee gut microbiota and the presence of Nosema
Topal, E.; Ceylan, Özgür; Tunca, R. İ.; Bay, V.; Aldemir, S.; İnci, H. (South African Journal for Animal Sciences, 2022)Colony development in honey bees depends on both the environmental conditions and their genetic structure. Nutrition is the one of the most important factors in the honey bee’s health. This study was carried out in 48 ... -
Evaluation of anti-quorum sensing and antibiofilm effects of secondary metabolites from Gambeya lacourtiana (De Wild) Aubr. & Pellegr against selected pathogens
Talla, Rostan Mangoua; Tamfu, Alfred Ngenge; Wakeu, Brussine Nadège Kweka; Ceylan, Özgür (BMC, 2023)Background: Microbial infections cause serious health problems especially with the rising antibiotic resistance which accounts for about 700,000 human deaths annually. Antibiotics which target bacterial death encounter ... -
HPLC-DAD Phenolic Composition, Antioxidant, Anticholinesterase, Antidiabetic and Anti-quorum Sensing Properties of Bitter Kola (Garcinia kola) and Kolanut (Cola acuminata)
Boudiba, Sameh; Küçükaudın, Selçuk; Tamfu, Alfred Ngenge; Blaise, Kom; Munvera, Aristide Mfifen; Ceylan, Özgür (WOLTERS KLUWER MEDKNOW PUBLICATIONS, 2023)Background: Eating Cola acuminata and Garcinia cola nuts in African societies symbolizes in socio-cultural hospitality. They stimulate the nervous system, reduce fatigue and sleep. Objectives:To determine the phenolic ... -
HPLC-DAD phenolic profiles, antibiofilm, anti-quorum sensing and enzyme inhibitory potentials of Camellia sinensis (L.) O. Kuntze and Curcuma longa L.
Tamfu, Alfred Ngenge; Ceylan, Özgür; Küçükaydın, Selçuk; Duru, Mehmet Emin (Academic Press, 2020)This study aimed at investigating phenolic composition, anti-quorum sensing and enzyme inhibitory potential of Camellia sinensis and Curcuma longa. HPLC-DAD identified and quantified curcumin (398.67 ± 0.34 mg/g), ... -
IN VITRO MONOSPECIES, MULTISPECIES AND NECROTROPHIC BIOFILM PRODUCTION OF Legionella pneumophila IN WATER SUPPLY SYSTEMS
Ceylan, Özgür; Turasay, Bülent (Parlar Scientific Publications (P S P), 2015)Biofilms provide a shelter for microorganism to survive in unsuitable environments. Legionella pneumophila can produce monospecies biofilms in vitro, but usually exist in multispecies biofilms in nature. In this study, ... -
A novel turn-on fluorometric "reporter-spacer-receptor" chemosensor based on calix[4]arene scaffold for detection of cyanate anion
Bozkurt, Selahattin; Halay, Erkan; Durmaz, Mustafa; Topkafa, Mustafa; Ceylan, Özgür (Wiley, 2021)Herein, a novel calix[4]arene compound, which was modified by the 2-(2-aminophenyl)benzothiazole fragment with cyanate recognition function was designed based on the reporter-spacer-receptor sensing system. The construction ... -
Phenolic Composition, Anti-Biofilm, Anti-Quorum Sensing, Antioxidant and Enzyme Inhibitory Activities of Pteleopsis Suberosa (Combretaceae) Leaves
Ceylan, Özgür; Tamfu, AlfredNgenge; Küçükaydın, Selçuk; Koudoro, Alain Yaya (JADOUN SCIENCE PUBLISHING GROUP, 2023)P. suberosa is a multipurpose medicinal plant in West and Central Africa. Fourteen phenolic compounds were identified in the P. suberosa leaves extract using HPLC-DAD and gallic acid (175.10 & PLUSMN;0.42 & mu;g/g) was the ...