Yazar "Alver, Erol" için listeleme
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Anionic dye removal from aqueous solutions using modified zeolite: Adsorption kinetics and isotherm studies
Alver, Erol; Metin, Aysegul U. (Elsevier Science Sa, 2012)The natural zeolite was modified with hexamethylenediamine (HMDA) and used as adsorbent to remove anionic dyes, namely Reactive Red 239 (RR-239) and Reactive Blue 250 (RB-250). And, the adsorption equilibrium and kinetic ... -
Basit bir yöntemle hazırlanan ?-aluminanın yüksek basınç sıvı kromatografide (HPLC) kolon dolgu maddesi olarak ve bazı inorganik anyonların tayininde kullanılması
Alver, Erol (Kırıkkale Üniversitesi, 2005)ÖZET BASİT BİR YÖNTEMLE HAZIRLANAN a - ALUMİNANIN YÜKSEK BASINÇ SIVI KROMATOGRAFİDE (HPLC) KOLON DOLGU MADDESİ OLARAK VE BAZI İNORGANİK ANYONLARIN TAYİNİNDE KULLANILMASI ALVER, Erol Kırıkkale Üniversitesi Fen Bilimleri ... -
Chitosan based metal-chelated copolymer nanoparticles: Laccase immobilization and phenol degradation studies
Alver, Erol; Metin, Aysegul Ulku (Elsevier Sci Ltd, 2017)Immobilization improves the stability and reusability of enzymes. In this study, laccase, which is a green biocatalyst, was immobilized onto Cu (II)-chelated chitosan nanoparticles via adsorption and successfully applied ... -
DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN CIGARETTE FILTER TAR BY MEANS OF HOLLOW-FIBER LIQUID PHASE MICROEXTRACTION-HPLC-UV SYSTEM
Demirci, Ayla; Alver, Erol (Taylor & Francis Inc, 2013)A high-pressure liquid chromatographic method was developed to determine polycyclic aromatic hydrocarbons (PAHs) in cigarette filter tar using hollow fiber-liquid-phase microextraction (HF-LPME) for the clean-up and ... -
Efficient Removal of Acidic Dye Using Low-Cost Biocomposite Beads
Metin, Aysegul U.; Ciftci, Hakan; Alver, Erol (Amer Chemical Soc, 2013)The objective of this study is to prepare and characterize chitosan/zeolite biocomposite beads and utilize them as adsorbent for removal of anionic dye, Acid Black 194 (AB194). Characterization studies of biocomposite beads ... -
Electrochemical copper (II) sensor based on chitosan covered gold nanoparticles
Ciftci, Hakan; Tamer, Ugur; Metin, Aysegul U.; Alver, Erol; Kizir, Nevin (Springer, 2014)This study outlines a new sensing platform based on glassy carbon electrodes modified by gold nanoparticles (AuNPs) for the determination of heavy metal. A glassy carbon electrode was modified by chitosan stabilized AuNPs. ... -
Fabrication and characterization of gold-nanoparticles/chitosan film: a scaffold for L929-fibroblasts
Turk, Mustafa; Tamer, Ugur; Alver, Erol; Ciftci, Hakan; Metin, Aysegul U.; Karahan, Siyami (Taylor & Francis Ltd, 2013)The objective of the present study was to fabricate a gold nanoparticle crosslinked chitosan (Ch/AuNPs) composite film simple and to evaluate its use as a carrier matrix for L929-fibroblasts. L929-fibroblasts were seeded ... -
Fibrous polymer-grafted chitosan/clay composite beads as a carrier for immobilization of papain and its usability for mercury elimination
Metin, Aysegul Ulku; Alver, Erol (Springer, 2016)Papain, which is an industrially important enzyme, has been immobilized on fibrous polymer-modified composite beads, namely poly(methacrylic acid)-grafted chitosan/clay. Characterization studies have been done using FTIR ... -
INVESTIGATION THE PERFORMANCE OF CHITOSAN BASED COMPOSITE BEADS ON REMOVAL OF ANIONIC DYE (AY-204)
Alver, Erol; Metin, Aysegul Ulku; Ciftci, Hakan (Yildiz Technical Univ, 2015)The aim of this study is to investigate the utility of chitosan/zeolite composite beads as adsorbent for removal of anionic textile dye, Acid Yellow 204. It was investigated the influence of parameters such as pH, time, ... -
Methylene blue adsorption on magnetic alginate/rice husk bio-composite
Alver, Erol; Metin, Aysegul Ulku; Brouers, Francois (ELSEVIER, 2020)Magnetic alginate/rice husk (m-ALG/RH) bio-composite beads prepared with ionotropic gelation method and used for methylene blue (MB) removal. Structural analysis of magnetic alginate/rice husk composite beads was performed ... -
Non-enzymatic sensing of glucose using a glassy carbon electrode modified with gold nanoparticles coated with polyethyleneimine and 3-aminophenylboronic acid
Ciftci, Hakan; Alver, Erol; Celik, Filiz; Metin, Aysegul U.; Tamer, Ugur (Springer Wien, 2016)A non-enzymatic electrochemical method was developed for sensing glucose by using a glassy carbon electrode modified with 3-aminophenylboronic acid (APBA) immobilized on polyethyleneimine (PEI)-coated gold nanoparticles. ... -
One step effective removal of Congo Red in chitosan nanoparticles by encapsulation
Alver, Erol; Bulut, Mehmet; Metin, Aysegul Ulku; Ciftci, Hakan (Pergamon-Elsevier Science Ltd, 2017)Chitosan nanoparticles (CNPs) were prepared with ionotropic gelation between chitosan and tripolyphosphate for the removal of Congo Red. The production of chitosan nanoparticles and the dye removal process was carried out ... -
Sigara izmarit zifirinde pah'ların HPLC/UV sistemde tayini: Zenginleştirme ve ön temizlemede oyuk (Hollow) fiber sıvı faz mikroekstraksiyon'un (HFLPME) kullanılması
Alver, Erol (Kırıkkale Üniversitesi, 2011)Bu çalışmada, sigara izmarit zifirindeki polisiklik aromatik hidrokarbonların (PAH) tayini için yüksek basınç sıvı kromatografik (HPLC) yöntem geliştirilmiştir. Yöntem, zenginleştirme ve ön temizleme için oyuk (hollow) ... -
Sigara izmaritinden polisiklik aromatiklerin kazanılmasında katı faz mikro ekstraksiyon sisteminin kullanılması üzerine bir çalışma
Demirci, Ayla; Alver, Erol; Kırıkkale Üniversitesi, Rektörlük, Projeler (KırıkkaleKırıkkale Üniversitesi, 2013)… -
Sigara izmaritlerinde kanserojen polisiklik aromatik hidrokarbonların(PAH) HPLC ve GC yöntemleri ile tayini
Demirci, Ayla; Alver, Erol; Kırıkkale Üniversitesi, Rektörlük, Projeler (KırıkkaleKırıkkale Üniversitesi, 2007)… -
Synthesis and Characterization of Chitosan/Polyvinylpyrrolidone/Zeolite Composite by Solution Blending Method
Alver, Erol; Metin, Aysegul U.; Ciftci, Hakan (Springer, 2014)Polymer/clay composites have been studied for several decades; in the study, polymer/zeolite composite beads have been prepared by a simple solution blending method using chitosan, polyvinylpyrrolidone and zeolite particles ...