Kurum Yazarı "Ceylan, Özgür" Fen Fakültesi İçin Listeleme
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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 ... -
Antimicrobial and anti-quorum-sensing properties and paint film usage of novel diazaborine-based copolymers
Koçak, Gökhan; Çiçek, Hüseyin; Ceylan, Özgür; Bütün, Vural (Wiley, 2019)To meet high hygiene requirements, intensive studies are being carried out on antimicrobial materials. This study reports the synthesis of 3-((1-hydroxybenzo[d][1,2,3]diazaborinin-2(1H)-yl)sulfonyl)propyl methacrylate ... -
Characterisation of Streptomyces violascens OC125-8 lipase for oily wastewater treatment
Boran, Rukiye; Uğur, Aysel; Saraç, Nurdan; Ceylan, Özgür (Springer Heidelberg, 2019)In this study, the lipase-producing bacterium Streptomyces violascens (GenBank number MF621564) was identified, and the extracellular S. violascens OC125-8 lipase produced by this strain was characterised for use in ... -
The constituents of essential oil and in vitro antimicrobial activity of Micromeria cilicica from Turkey
Duru, Mehmet Emin; Öztürk, Mehmet; Uğur, Aysel; Ceylan, Özgür (Elsevier Ireland Ltd, 2004)The chemical composition of the essential oil of Micromeria cilicica (Labiatae) that has been used in folk medicine were analysed by GC, GC-MS, H-1 NMR and C-13 NMR. The totals of 34 components in hydrodistillation, 30 ... -
HPLC-DAD Analysis and Versatile Bioactivities of Turkish Sunflower Honeys Using Chemometric Approaches
Duru, Mehmet Emin; Eroğlu, Büşra; Tel-Çayan, Gülsen; Taş-Küçükaydın, Meltem; Küçükaydın, Selçuk; Çayan, Fatih; Ceylan, Özgür (John Wiley and Sons Inc, 2023)Sunflower honey (SH) is bright yellow, fragrant, pollen-flavoured, slightly herbaceous and has a unique taste. The present research aims to examine the enzyme inhibitory, antioxidant, anti-inflammatory, antimicrobial and ... -
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), ... -
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 ... -
Isolation of soil Streptomyces as source antibiotics active against antibiotic-resistant bacteria
Ceylan, Özgür; Ökmen, Gülten; Uğur, Aysel (2008)Bu calismanin amaci toprakta yaygin olarak bulunan ve antibiyotik ureticileri olarak bilinen Streptomyces'lerin in vitro antimikrobiyal aktiviteleridir. Turkiye, Mugla'daki farkli alanlardan Streptomyces izolatlari, coklu ... -
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 ... -
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 ...