Yazar "Say, Rıdvan" için Fen Fakültesi listeleme
-
Polymeric amylase nanoparticles as a new semi-synthetic enzyme system for hydrolysis of starch
Say, Rıdvan; Senay, R. Hilal; Biçen, Özlem; Ersöz, Arzu; Yılmaz, Filiz Şişman; Akgol, Sinan; Denizli, Adil (Elsevier Science BV, 2013)alpha-Amylase (EC 3.2.1.1; alpha-D-1,4,glucan glucanohydrolase) catalyzes the hydrolysis of alpha-D-(1,4)-glucosidic linkages in starch, glycogen, and various malto-oligosaccharides, by releasing alpha-anomeric products. ... -
Polyvalent integrin antagonist-decorated superparamagnetic iron oxide nanoparticles for triggering apoptosis in human leukemia cancer cells
Say, Rıdvan; Yazar, Suzan; Uğur, Alper; Hür, Deniz; Denizli, Adil; Ersöz, Arzu (Springer, 2013)Integrin family members are the main mediators of cell adhesion to the extracellular matrix and active as intra- and extracellular signaling molecules in a variety of processes. They bind to their ligands by interacting ... -
Porous poly(hydroxyethyl methacrylate) based monolith as a new adsorbent for affinity chromatography
Uzun, L; Say, Rıdvan; Denizli, Adil (Elsevier Science BV, 2005)A new approach was developed to obtain an efficient and cost effective purification of IgG from human plasma. Porous monoliths were obtained by the bulk polymerization of 2-hydroxyethyl methacrylate (HEMA) and N-methacry ... -
Potentiometric sensor fabrication having 2D sarcosine memories and analytical features
Özkütük, Ebru Birlik; Emir Diltemiz, Sibel; Avcı, Seyma; Uğurag, Deniz; Aykanat, Rabia Berna; Ersöz, Arzu; Say, Rıdvan (Elsevier Science BV, 2016)In this study, a simple, rapid and sensitive method based on novel molecular imprinted polymeric sensor has been developed and validated for the determination of prostate cancer metabolite biomarker. The molecularly imprinted ... -
Preconcentration of copper on ion-selective imprinted polymer microbeads
Say, Rıdvan; Birlik, Ebru; Ersöz, Arzu; Yılmaz, Filiz; Gedikbey, T; Denizli, Adil (Elsevier Science BV, 2003)Molecular recognition-based separation techniques have received much attention in various fields because of their high selectivity for target molecules. Molecular imprinting has been recognized as a promising technique for ... -
Preconcentration of copper using double-imprinted polymer via solid phase extraction
Birlik, Ebru; Ersöz, Arzu; Denizli, Adil; Say, Rıdvan (Elsevier Science BV, 2006)The aim of this study is to prepare double-imprinted polymers which can be used for the selective removal of Cu(II) ions from synthetic waters. Chitosan-succinate (CS) was choosen as the metal complexing polymer. In the ... -
Preconcentration of Fe(III) using Fe(III)-Ion imprinted polymeric traps and its analytical performance for FAAS
Karabörk, Muharrem; Ersöz, Arzu; Birlik, Ebru (2007)Novel Fe(III)-imprinted beads were prepared by molecular imprinting technique for selective solid-phase extraction (SPE) of Fe(III) ions prior to its determination by flame atomic absorption spectrometry (FAAS). The ... -
Preconcentration of phosphate ion onto ion-imprinted polymer
Özkütük, Ebru Birlik; Ersöz, Arzu; Denizli, Adil; Say, Rıdvan (Elsevier Science BV, 2008)In this study, selective separation and preconcentration of phosphate ions on the phosphate-imprinted chitosan-succinate beads have investigated. Chitosan-succinate, phosphate, epichlorohydrin were used as the complexing ... -
Preparation and characterization of the newly synthesized metal-complexing-ligand N-methacryloylhistidine having PHEMA beads for heavy metal removal from aqueous solutions
Say, Rıdvan; Garipcan, B; Emir, S; Patir, S; Denizli, Adil (Wiley-V C H Verlag GMBH, 2002)The aim of this study was to investigate in detail the performance for removal of heavy metal ions of beads composed of poly(2-hydroxyethyl methacrylate) (pHEMA) to which N-methacryloyhistidine (MAH) was copolymerized. The ... -
Preparation of cibacron blue F3GA-attached polyamide hollow fibers for heavy metal removal
Say, Rıdvan; Şenel, S; Denizli, Adil (John Wiley & Sons Inc, 2002)Dye-affinity adsorption has been used increasingly for heavy metal removal. Synthetic hollow fibers have advantages as support matrices in comparison to conventional bead supports because they are not compressible and they ... -
Preparation of magnetic dye affinity adsorbent and its use in the removal of aluminium ions
Denizli, Adil; Say, Rıdvan (Vsp BV, 2001)Aluminium has recently been considered as a causative agent in dialysis encephalopathy, osteodystrophy, and anemia occuring in hemodialysis patients. The aim of this study is to prepare magnetic poly (2-hydroxyethylmethacrylate) ... -
Preparation of MIP-based QCM nanosensor for detection of caffeic acid
Gültekin, Aytaç; Karanfil, Gamze; Kuş, Mahmut; Sönmezoğlu, Savaş; Say, Rıdvan (Elsevier Science BV, 2014)In the present work, a new caffeic acid imprinted quartz crystal microbalance (QCM) nanosensor has been designed for selective assignation of caffeic acid in plant materials. Methacrylamidoantipyrine-iron (III) [MAAP-Fe(III)] ... -
Preparation of new molecularly imprinted nanosensor for cholic acid determination
Gültekin, Aytaç; Ersöz, Arzu; Denizli, Adil; Say, Rıdvan (Elsevier Science Sa, 2012)Molecular imprinted polymers (MIPs) as a recognition element for sensors are increasingly of interest and MIP-nanoparticles have started to appear in the literature. In this study, we have proposed a novel thiol ligand-capping ... -
Preparation of new molecularly imprinted quartz crystal microbalance hybride sensor system for 8-hydroxy-2 '-deoxyguanosine determination
Say, Rıdvan; Gültekin, Aytaç; Özcan, Ayça Atılır; Denizli, Adil; Ersöz, Arzu (Elsevier Science BV, 2009)The routine measurement of 8-hydroxy-2'-deoxyguanosine (8-OHdG) in biological samples is a difficult analytical problem due to the low levels of the analyte and complex matrix. A new 8-OHdG imprinted quartz crystal ... -
Preparation of poly(hydroxyethyl methacrylate-co-methacrylamidohistidine) beads and its design as a affinity adsorbent for Cu(II) removal from aqueous solutions
Say, Rıdvan; Garipcan, B; Emir, S; Patir, S; Denizli, Adil (Elsevier Science BV, 2002)Different metal-complexing ligands carrying synthetic adsorbents have been reported in the literature for heavy metal removal. We have developed a novel and new approach to obtain high metal adsorption capacity utilizing ... -
Production of surface plasmon resonance based assay kit for hepatitis diagnosis
Uzun, Lokman; Say, Rıdvan; Ünal, Serhat; Denizli, Adil (Elsevier Advanced Technology, 2009)Hepatitis B surface antibody (HBsAb) imprinted poly(hydroxyethyl methacrylate-N-methacryloyl-L-tyrosine methyl ester) (PHEMAT) film on the surface plasmon resonance (SPR) sensor chip was prepared for diagnosis of HBsAb in ... -
Protein recognition via ion-coordinated molecularly imprinted supermacroporous cryogels
Bereli, Nilay; Andaç, Müge; Baydemir, Gözde; Say, Rıdvan; Galaev, Igor Yu; Denizli, Adil (Elsevier Science BV, 2008)Molecular imprinting is a method for making selective binding sites in synthetic polymers using a molecular template. The aim of this study is to prepare lysozyme-imprinted supermacroporous cryogels which can be used for ... -
Purification of penicillin acylase through a monolith column containing methacryloyl antipyrine
Keçili, Rüstem; Say, Rıdvan; Ersöz, Arzu; Yuvuz, Handan; Denizli, Adil (Elsevier Science BV, 2007)The aim of this work was to test a chromatographic support containing 4-amino-antipyrine for its ability to purify penicillin acylase in crude extract and pure penicillin acylase. First, methacryloyl antipyrine (MAAP) as ... -
Quantum dot nanocrystals having guanosine imprinted nanoshell for DNA recognition
Emir Diltemiz, Sibel; Say, Rıdvan; Büyüktiryaki, Sibel; Hür, Deniz; Denizli, Adil; Ersöz, Arzu (Elsevier Science BV, 2008)Molecular imprinted polymers (MIPs) as a recognition element for sensors are increasingly of interest and MIP nanoparticles have started to appear in the literature. In this study, we have proposed a novel thiol ligand-capping ... -
Quartz crystal microbalance based nanosensor for lysozyme detection with lysozyme imprinted nanoparticles
Şener, gülsu; Özgür, Erdoğan; Yılmaz, Erkut; Uzun, Lokman; Say, Rıdvan; Denizli, Adil (Elsevier Advanced Technology, 2010)The aim of this study is to prepare quartz crystal microbalance (QCM) nanosensor for the real-time detection of lysozyme. In the first part, the lysozyme imprinted (MIP) nanoparticles were prepared by mini-emulsion ...