Kurum Yazarı "Ayhan, Fatma" İçin Listeleme
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Chelating agent effect on the release of gentamicin from PEG-DA hydrogels
Sökmen, Nazlı; Bican, Ferah; Ayhan, Fatma; Ayhan, Hakan (2008)In this study, controlled drug release devices of poly(ethylene glycol-diacrylate) (PEG-DA) hydrogels were prepared by free radical UV polymerization. PEG-DAmacromere was cross-linked with different percentages of ethylene ... -
Experimental design optimization and decolorization of an azo dye by cross-linked peroxidase aggregates
Akpolat, Oğuz; Ayhan, Fatma (Ege Universitesi, 2021)Synthetic textile azo-dyes are important water contaminants in industrial textile wastes and peroxidases have potential for textile-dye degradation. The optimization of enzyme activity as crosslinked enzyme aggregases ... -
Gold nanoparticle synthesis and characterisation
Tabrizi, Amir; Ayhan, Fatma; Ayhan, Hakan (2009)The aim of this study is to synthesize and characterize gold nanoparticles. For this purpose, the reduction reaction between tetrachloroauric acid and sodium citrate was used. At the end of the reduction reaction, gold ... -
Homocysteine-BSA - affinity based biosensor design (vol 39, pg 383, 2014)
Ayhan, Fatma; Kaya, Gizem; Ayhan, Hakan (Turkish Biochem Soc, 2014) -
Homosistein-BSA-afinite temelli biyosensor tasarımı
Ayhan, Fatma; Kaya, Gizem; Ayhan, Hakan (2014)Amaç: Çalışmada, Kuartz Kristal Mikrodenge (QCM) sistemi kullanılarak piezoelektrik esaslı Homosistein biyoafinite sensörü ile Homosisteinin tayini ve tekrar kullanılabilirliğinin tespiti amaçlanmıştır.Metod: Gümüş sensör ... -
The phenolic compounds from Hypericum perforatum and their antimicrobial activities
Çelen, Gönül; Özkan, Semiha; Ayhan, Fatma (2008)Hypericum perforatum (St. John& #8217; s wort) (H. perforatum) is a plant which has been used as a medicinal herb since ancient times and grow in Europe, West Asia and North Africa. In this work, the crude extracts of ... -
Photopolymerized poly(Ethylene glycol) diacrylate hydrogels for controlled release of ketoprofen
In this study, poly(ethylene glycol-diacrylate) (PEG-DA) hydrogels with two different concentrations, 30% and 50% w/w, were prepared by free radical polymerization method. Ethylene glycol dimethacrylate (EGDMA) and ... -
Quartz crystal piezo electrode surface modification for gold nano-particles immobilization
Ayhan, Fatma; Gülsu, Aydan; Ayhan, Hakan (2007)In this study silver electrode quartz crystal surfaces were cleaned and modified to immobilize gold nanoparticles. First, the crystal surfaces were cleaned and activated with sodium hydroxide, acetone and methanol. After ... -
Urease immobilized piezoelectric quartz crystal for urea conversion
In this study, the immobilization of the enzyme urease on the surface of the quartz crystal was reported. The layer growth on silver electrode resonator was monitored with QCM and the catalytic activity of the enzyme layer ... -
Water based PHEMA hydrogels for controlled drug delivery
Ayhan, Hakan; Ayhan, Fatma (Walter de Gruyter Gmbh, 2018)Objective: In the scope of presented work, synthesis of water based acrylate hydrogels, characterization, and their usage in controlled drug release systems were aimed to investigate. Methods: Synthesis of acrylate based ...