Yazar "Demirci, Serkan" için listeleme
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Antibacterial Activity of Cyclodextrin-Azo Dye Inclusion Complex Encapsulated Electrospun Polycaprolactone Nanofibers
Demirci, Serkan; Celebioglu, Asli; Kinali-Demirci, Selin; Idil, Onder; Uyar, Tamer (Wiley-V C H Verlag Gmbh, 2021)Polycaprolactone (PCL) nanofibers incorporating azo dye/gamma-cyclodextrin inclusion complex (Azo/gamma-CD-IC) were successfully produced. The characteristics of the Azo/gamma-CD-IC and PCL/Azo/gamma-CD-IC nanofibers were ... -
Controlled grafting of cationic poly[(ar-vinylbenzyl)trimethylammonium chloride] on hydrogen-terminated silicon substrate by surface-initiated RAFT polymerization
Demirci, Serkan; Caykara, Tuncer (ELSEVIER SCIENCE BV, 2012)Controlled grafting of well-defined cationic poly[(ar-vinylbenzyl)trimethylammonium chloride] [poly (VBTAC)] brushes on a hydrogen-terminated silicon substrate (Si-H) was performed via surface-initiated RAFT polymerization. ... -
Crosslinked-Polymer Brushes with Switchable Capture and Release Capabilities
Demirci, Serkan (MDPI, 2018)Crosslinked-polymer brushes give rise to new opportunities for functionalizing, protecting, and structuring both organic and inorganic materials. In this study, pH-and temperature-switchable crosslinked-polymer brushes ... -
Cyclodextrin-grafted electrospun cellulose acetate nanofibers via "Click" reaction for removal of phenanthrene
Celebioglu, Asli; Demirci, Serkan; Uyar, Tamer (ELSEVIER SCIENCE BV, 2014)Beta-cyclodextrin (p-CD) functionalized cellulose acetate (CA) nanofibers have been successfully prepared by combining electrospinning and "click" reaction. Initially, p-CD and electrospun CA nanofibers were modified so ... -
Determination of pK(a) of benzoic acid- and p-aminobenzoic acid-modified platinum surfaces by electrochemical and contact angle measurements
Tekin-Celebi, Secil; Solak, Ali Osman; Ustundag, Zafer; Demirci, Serkan (SPRINGER INTERNATIONAL PUBLISHING AG, 2012)Acidity constant values of benzoic acid (BA)-modified platinum electrode (Pt-BA) and p-aminobenzoic acid (pABA)-modified platinum electrode (Pt-NHBA) surfaces were determined using cyclic voltammetry (CV), electrochemical ... -
High density cationic polymer brushes from combined "click chemistry" and RAFT-mediated polymerization
Demirci, Serkan; Caykara, Tuncer (WILEY-BLACKWELL, 2012)A simple method for preparing cationic poly[(ar-vinylbenzyl)trimethylammonium chloride)] [poly(VBTAC)] brushes was used by combined technology of click chemistry and reversible addition-fragmentation chain transfer (RAFT) ... -
A new selenium-based RAFT agent for surface-initiated RAFT polymerization of 4-vinylpyridine
Demirci, Serkan; Kinali-Demirci, Selin; Caykara, Tuncer (ELSEVIER SCI LTD, 2013)A new selenium-based reversible addition-fragmentation chain transfer (RAFT) agent, 4-cyanopentanoic acid diselenobenzoate (RAFT-Se), was synthesized and utilized in the surface-initiated RAFT polymerization of 4-vinylpyridine ... -
Novel pH-responsive mixed-charge copolymer brushes based on carboxylic acid and quaternary amine monomers
Demirci, Serkan; Kinali-Demirci, Selin; Caykara, Tuncer (WILEY-BLACKWELL, 2013)In this study, we report on the fabrication of tunable mixed-charged copolymer brushes consisting of negatively charged carboxylic acid monomer (4-vinylbenzoic acid, VBA) and positively charged quaternary amine monomer ... -
pH-responsive nanofibers with controlled drug release properties
Demirci, Serkan; Celebioglu, Asli; Aytac, Zeynep; Uyar, Tamer (ROYAL SOC CHEMISTRY, 2014)Smart polymers and nanofibers are potentially intriguing materials for controlled release of bioactive agents. This work describes a new class of pH responsive nanofibers for drug delivery systems with controlled release ... -
RAFT-mediated synthesis of cationic poly[(ar-vinylbenzyl)trimethylammonium chloride] brushes for quantitative DNA immobilization
Demirci, Serkan; Caykara, Tuncer (ELSEVIER SCIENCE BV, 2013)The synthesis of cationic polyl(ar-vinylbenzyl)trimethylammonium chloride)] [poly(VBTAC)] brushes was achieved via reversible addition-fragmentation chain transfer (RAFT) polymerization and used for quantitative DNA ... -
Stimuli-responsive diblock copolymer brushes via combination of "click chemistry" and living radical polymerization
Demirci, Serkan; Kinali-Demirci, Selin; Caykara, Tuncer (WILEY-BLACKWELL, 2013)pH- and temperature-responsive poly(N-isopropylacrylamide-block4-vinylbenzoic acid) (poly(NIPAAm-b-VBA)) diblock copolymer brushes on silicon wafers have been successfully prepared by combining click reaction, single-electron ... -
Surface chemical conversion of 3-glycidoxypropyldimethylethoxysilane on hydroxylated silicon surface: FT-IR, contact angle and ellipsometry analysis
Demirci, Serkan; Kinali-Demirci, Selin; Caykara, Tuncer (PERGAMON-ELSEVIER SCIENCE LTD, 2012)The chemical conversion of the top surface of 3-glycidoxypropyldimethylethoxysilane (GPDMES) on hyroxylated silicon surface has been studied as a function of reaction time. A multiple-step procedure was applied in this ... -
Surface modification of electrospun cellulose acetate nanofibers via RAFT polymerization for DNA adsorption
Demirci, Serkan; Celebioglu, Asli; Uyar, Tamer (ELSEVIER SCI LTD, 2014)We report on a facile and robust method by which surface of electrospun cellulose acetate (CA) nanofibers can be chemically modified with cationic polymer brushes for DNA adsorption. The surface of CA nanofibers was ... -
Swelling and durability performance of surface-grafted polymer brushes and brush gels
Kinali-Demirci, Selin; Demirci, Serkan (Acg Publications, 2021)Polymer brushes and brush gels were prepared by RAFT polymerization. Prepared surfaces were characterized by XPS, AFM, ellipsometry, and water contact angle measurements. The swelling properties and stability of surfaces ... -
A switchable polymer brush system for antifouling and controlled detection
Demirci, Serkan; Kinali-Demirci, Selin; Jiang, Shan (ROYAL SOC CHEMISTRY, 2017)A stimuli-responsive polymer brush system is designed to switch on and off surface functionality and prevent functional groups from fouling by grafting together two polymer brushes with precisely controlled lengths. The ... -
Synthesis, structure characterization and antimicrobial evaluation of 4-(substituted phenylazo)-3,5-diacetamido-1H-pyrazoles
Kinali-Demirci, Selin; Demirci, Serkan; Kurt, Mustafa (PERGAMON-ELSEVIER SCIENCE LTD, 2013)The present article deals with the synthesis, spectral characterization and antimicrobial activity of phenylazo dyes. All of the synthesized phenylazo dyes were characterized using ATR-FTIR, FT-Raman, H-1 NMR, C-13 NMR, ...