Yazar "Ceylan, Özgür" için Scopus İndeksli Yayınlar Koleksiyonu listeleme
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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, ... -
Inhibition of quorum sensing-regulated behaviors by Scorzonera sandrasica
Boşgelmez-Tinaz, Gulgun; Ulusoy, Seyhan; Uğur, Aysel; Ceylan, Özgür (Springer, 2007)Many Gram-negative bacteria use N-acyl homoserine lactone signal molecules to monitor their own population density and coordinate gene regulation in a process called quorum sensing (QS). Increasing evidence implies that ... -
Occurrence of resistance to antibiotics, metals, and plasmids in clinical strains of Staphylococcus spp
Uğur, Aysel; Ceylan, Özgür (Elsevier Science Inc, 2003)Background. Presence of staphylococci resistant to antibiotics is of concern, as is the possible spread of resistance determinants among Staphylococcus species. During the past several years, a series of staphylococcal ... -
Phenolic Composition, Enzyme Inhibitory and Anti-quorum Sensing Activities of Cinnamon (Cinnamomum zeylanicum Blume) and Basil (Ocimum basilicum Linn)
Tamfu, Alfred Ngenge; Küçükaydın, Selçuk; Ceylan, Özgür; Saraç, Nurdan; Duru, Mehmet Emin (Springer, 2021)Cinnamomum zeylanicum and Ocimum basilicum are two plants used by many cultures for food and medicinal purposes. The phenolic composition of ethanol extracts of both plants were determined by HPLC-DAD. A total of seventeen ... -
Phenolic profiles, antioxidant, antiquorum sensing, antibiofilm and enzyme inhibitory activities of selected Acacia species collected from Benin
Alain, Koudoro Yaya; Tamfu, Alfred Ngenge; Küçükaydın, Selçuk; Ceylan, Özgür; Cokou Pascal, Agbangnan Dossa; Félicien, Avlessi (Academic Press, 2022)Gum arabica is a local commercial nutraceutical and food preservative collected mostly from acacia plants. HPLC-DAD analysis identified gallic acid, syringic acid, ferulic acid, coumarin, rutin and rosmarinic acid in ... -
Phytochemical composition, anti-biofilm and anti-quorum sensing potential of fruit, stem and leaves of Salvadora persica L. methanolic extracts
Noumi, Emira; Snoussi, Mejdi; Merghni, Abderrahmen; Nazzaro, Filomena; Quindos, Guillermo; Akdamar, Gültekin; Ceylan, Özgür (Academic Press Ltd- Elsevier Science Ltd, 2017)Emergence of antibiotic resistance among pathogenic bacteria encourages us to search for new molecules as an alternative treatment. The aim of this study was to evaluate the antiquorum sensing (anti-QS) and antibiofilm ... -
Phytochemical screening, antibacterial, antifungal, antiviral, cytotoxic, and anti-quorum-sensing properties of Teucrium polium l. aerial parts methanolic extract
Alreshidi, Mousa; Noumi, Emira; Bouslama, Lamjed; Ceylan, Özgür; Veettil, Vjajid N.; Adnan, Mohd; Snoussi, Mejdi (MDPI AG, 2020)The chemical profile of Teucrium polium L. (T. polium) methanolic extract was tested using liquid chromatography coupled with high resolution mass spectrometry (HR-LCMS). Disc diffusion and microdilution assays were used ... -
A preliminary study of chemical profiles of honey, cerumen, and propolis of the african stingless bee meliponula ferruginea
Popova, Milena Petkova; Gerginova, Dessislava; Trusheva, Boryana S.; Simova, Svetlana D.; Tamfu, Alfred Ngenge; Ceylan, Özgür; Clark, Kerry; Bankova, Vassya Stefanova (MDPI AG, 2021)Recently, the honey and propolis of stingless bees have been attracting growing atten-tion because of their health-promoting properties. However, studies on these products of African Meliponini are still very scarce. In ... -
Removing Legionella pneumophila and biofilms from water supply systems using plant essential oils
Ceylan, Özgür; Turasay, Bülent (Iwa Publishing, 2017)Antibacterial and antibiofilm activities of sage (Salvia officinalis), thyme (Thymus vulgaris), peppermint (Mentha x piperita) and lemon (Citrus limonum) essential oils (EOs), supplied as commercial preparations, were ... -
Synthesis and Antibacterial Activities of Boronic Acid-Based Recyclable Spherical Polymer Brushes
Çiçek, Hüseyin; Koçak, Gökhan; Ceylan, Özgür; Bütün, Vural (Polymer Soc Korea, 2019)Crosslinked poly(4-vinylbenzyl chloride) (PVBC) microbead was prepared by suspension polymerization. Various spherical polymer brushes (SPBs) were produced by grafting polymeric chains on their surfaces via surface ... -
Synthesis and evaluation of inhibitory potentials of microbial biofilms and quorumsensing by 3-(1,3-dithian-2-ylidene) pentane2,4-dione and ethyl-2-cyano-2-(1,3-dithian-2-ylidene) acetate
Tamfu, Alfred Ngenge; Boukhedena, Wafia; Boudiba, Sameh; Deghboudj, Samir; Ceylan, Özgür (Pensoft Publishers, 2022)The virulence and resistance of pathogenic microorganisms are promoted by quorum-sensing (QS) mediated traits and biofilms. The development of antimicrobial agents which can reduce the incidence of microbial resistance by ... -
Synthesis of cross-linked diazaborine-based polymeric microparticles with antiquorum sensing, anti-swarming, antimicrobial, and antibiofilm properties
Tamfu, Alfred Ngenge; Koçak, Gökhan; Ceylan, Özgür; Çıtak, Funda; Bütün, vural; Çiçek, Hüseyin (John Wiley and Sons Inc, 2023)Transmission of infectious diseases and resistance by microorganisms is a global health threat. Antimicrobial polymers are increasingly being developed as biocides with greater applications than traditional antibiotics. ... -
Ultrasound-Assisted Extraction of Syringa vulgaris Mill., Citrus sinensis L. and Hypericum perforatum L.: Phenolic Composition, Enzyme Inhibition and Anti-quorum Sensing Activities
Tamfu, Alfred Ngenge; Küçükaydın, Selçuk; Quradha, Mohammed Mansour; Ceylan, Özgür; Uğur, Aysel; Duru, Mehmet Emin (Springer, 2022)Phenolic compounds constitute a class of bioactive metabolites whose extraction from plants, characterization and medicinal applications are of significant importance. Phenolic extracts were prepared from Syringa vulgaris, ... -
Volatile compound profile and essential oil composition of three wild Algerian aromatic plants with their antioxidant and antibiofilm activities
Djebili, Samah; Taş, Meltem; Bouguerra, Ali; Küçükaydın, Selçuk; Ceylan, Özgür; Duru, Mehmet Emin; Barkat, Malika (SPRINGER, 2021)Aromatic plants represent a natural source of bioactive compounds. Even their essential oils attracted the interesting of many researchers for their biological activities. Therefore, the aims of this work were to analyze ...