Browsing by Author "Akay, Seref"
Now showing items 1-12 of 12
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Design and fabrication of low-cost microsystems for production of chitosan particles
Akay, Seref; Özdilek, Hasret (Gazi Universitesi, 2024)Recent research has focused on the methods for administration of medications in a controlled manner while minimizing side effects. Cross-linked hydrogels have wide application area as nanocarriers. There are many approaches ... -
Determination of the Cytotoxicity and Antibiofilm Potential Effect of Equisetum arvense Silver Nanoparticles
Akar, Zeynep; Akay, Seref; Ejder, Nebahat; Özad Düzgün, Azer (Springer, 2023)This study aimed to synthesize and characterize silver nanoparticles (AgNPs) by green synthesis from Equisetum arvense (Ea) extracts and to investigate their cytotoxicity, antibiofilm activity, and α-glucosidase enzyme ... -
Effects of process parameters on supercritical CO2 extraction of total phenols from strawberry (Arbutus unedo L.) fruits: An optimization study
Akay, Seref; Alpak, Ilknur; Yesil-Celiktas, Ozlem (Journal of Separation Science, 2011-06-22)The aim of this work was to optimize total phenolic yield of Arbutus unedo fruits using supercritical fluid extraction. A Box-Behnken statistical design was used to evaluate the effect of various values of pressure (50-300 ... -
Effects of Salt Stress and Inoculation Ratios in Cell Cultures of Rubia tinctorum L.
Nartop, Pınar; Akay, Seref; Gürel, Aynur (SAÜ Fen Bilimleri Enstitüsü Dergisi, 2017)[Abstract Not Available] -
Extracts from Black Carrot Tissue Culture as Potent Anticancer Agents
Sevimli-Gur, Canan; Cetin, Burcu; Akay, Seref; Gulce-Iz, Sultan; Yesil-Celiktas, Ozlem (Plant Foods for Human Nutrition, 2013-07-05)[Abstract Not Available] -
Formulation of organic and inorganic hydrogel matrices for immobilization of ß-glucosidase in microfluidic platform
Kazan, Aslihan; Heymuth, Marcel; Karabulut, Dilan; Akay, Seref; Yildiz-Ozturk, Ece; Onbas, Rabia; Muderrisoglu, Cahit; Sargın, Sayit; Heils, René; Smirnova, Irina V.; Yesil-Celiktas, Ozlem (Engineering in Life Sciences, 2017-01-19)[Abstract Not Available] -
Immobilization of Rubia tinctorum L. suspension cultures and its effects on alizarin and purpurin accumulation and biomass production
Nartop, Pınar; Akay, Seref; Gürel, Aynur (Plant Cell, Tissue and Organ Culture (PCTOC) Journal of Plant Biotechnology, 2012-07-24)[Abstract Not Available] -
An injectable alginate-based hydrogel for microfluidic applications
Akay, Seref; Heils, Rene; Trieu, Hoc Khiem; Smirnova, Irina; Yesil-Celiktas, Ozlem (Elsevier Sci Ltd, 2017)The objective of this study was to develop an injectable alginate based formulation for immobilizing enzymes into microfluidic systems. The gelation was induced upon lowering the pH by addition of D-glucono-delta-lactone ... -
Investigation of Antibiofilm and Antibacterial Properties of Green Synthesized Silver Nanoparticles from Aqueous Extract of Rumex sp.
Akay, Seref; Yüksel, Gamze; Özad Düzgün, Azer (Springer, 2023)The decrease in the effectiveness of conventional drugs as a result of the growth of resistance to antibiotics has increased the need for innovative tools to control the infections. At this point, metallic nanoparticles, ... -
A new 5,6-dihydro-2-pyrone derivative from Phomopsis amygdali, an endophytic fungus isolated from hazelnut (Corylus avellana)
Akay, Seref; Ekiz, Guner; Kocabas, Fatma; Hames-Kocabas, E. Esin; Korkmaz, Kemal S.; Bedir, Erdal (Elsevier, 2014)Aims of this study were to isolate endophytes from different parts of hazelnut - Corylus avellana L. to obtain bioactive secondary metabolites and search for the presence of gene region of taxadiene synthase (Ts), a key ... -
A novel niosome formulation for encapsulation of anthocyanins and modelling intestinal transport
Fidan-Yardimci, Melike; Akay, Seref; Sharifi, Fatemeh; Sevimli-Gur, Canan; Ongen, Gaye; Yesil-Celiktas, Ozlem (Elsevier Sci Ltd, 2019)The bioavailability of drugs can be improved by regulating the structural properties, particularly lipoid systems, such as niosomes, can increase cellular uptake. Herein, we optimized double emulsion and niosomal formulations ... -
Optimization of tannin isolation from acorn and application in leather processing
Onem, Ersin; Gulumser, Gurbuz; Akay, Seref; Yesil-Celiktas, Ozlem (Industrial Crops and Products, 2013-12-28)[Abstract Not Available]