Kategori "Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı" Makale Koleksiyonu İçin Listeleme
Toplam kayıt 186, listelenen: 21-40
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The chemical synthesis and characterizations of silver-doped polyaniline: role of silver-solvent interactions
(SPRINGER, 2020)In this work, we successfully synthesized silver-doped polyaniline (NPANI-Ag-X; X represents I- and BF4- dopants,) by using chemical oxidation polymerization in various solvent media, which are deionized water, dimethylformamide, ... -
Chemoenzymatic synthesis of 2-brorno-6-hydroxy-3-methoxy-2-cyclohexen-1-one
(Scientific Technical Research Council Turkey-Tubitak, 2007)A chemoenzymatic synthesis of 2-bromo-6-hydroxy-3-methoxy-2-cyclohexen-1-one starting from cyclohexane-1,3-dione is reported. Manganese (III) acetate-mediated acetoxylation followed by the enzyme-mediated hydrolysis of ... -
Chiral phosphine oxide aziridinyl phosphonate as a Lewis base catalyst for enantioselective allylsilane addition to aldehydes
(Pergamon-Elsevier Science Ltd, 2015)A series of chiral Lewis bases, phosphine oxide ferrocenyl aziridinyl methanol 1-4, phosphinyl aziridinyl phosphonates 5 and 6, and phosphine oxide aziridinyl phosphonates 7 and 8 were screened for allylsilane additions ... -
Chitosan based metal-chelated copolymer nanoparticles: Laccase immobilization and phenol degradation studies
(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 ... -
Colorimetric Bisphenol-A Detection With a Portable Smartphone-Based Spectrometer
(Ieee-Inst Electrical Electronics Engineers Inc, 2018)Water quality monitoring in resource-limited settings without access to a sophisticated laboratory requires the development of low cost and portable instrumentation. Herein, we propose a newly designed handheld reflection-based ... -
Congo Red attached monosize poly(HEMA-co-MMA) microspheres for use in reversible enzyme immobilisation
(Elsevier Science Sa, 2002)Monosize and non-porous poly(2-hydroxyethylmethacrylate-co-methylmethacrylate) (poly(HEMA-co-MMA)), microspheres were prepared by dispersion polymerisation of HEMA and MMA in an ethanol-water medium in the presence of an ... -
Controlled release of Aldicarb from carboxymethylcellulose microcapsules
(Scientific Technical Research Council Turkey, 1997)Sodium carboxymethyl cellulose was converted into microspheres by crosslinking with aluminum chloride. Various microsheres with different amounts of crosslinker, biopolymer of various concentrations and molecular weights, ... -
Controlled release of indomethacin from crosslinked alginate beads
(Walter De Gruyter Gmbh, 2008)Beads of the sodium alginate ( NaAlg) were prepared by dropping aqueous sodium alginate ( NaAlg) into glutaraldehyde ( GA) as a crosslinker and HCl as a catalyst mixture solution. Beads prepared were used to deliver a model ... -
Controlled release of insecticide carbaryl from crosslinked carboxymethylcellulose beads
(Parlar Scientific Publications (P S P), 2004)Copper-carboxymethylcellulose (CuCMC) beads containing carbaryl were prepared by the ionotropic crosslinking of sodium carboxymethylcellulose (NaCMC) with copper ions. The beads were characterized by carbaryl encapsulation ... -
Copper-catalyzed asymmetric conjugate addition of diethylzinc to substituted chalcones using a chiral phosphine ligand
(Pergamon-Elsevier Science Ltd, 2011)A series of chiral phosphine PFAM and phosphine oxide POFAM ligands were studied for the copper-catalyzed asymmetric diethylzinc addition to enones. One of these ligands, PFAM2, was an efficient catalyst with a variety of ... -
Covalent immobilisation of invertase onto a reactive film composed of 2-hydroxyethyl methacrylate and glycidyl methacrylate: properties and application in a continuous flow system
(Elsevier Science Sa, 2003)Invertase was covalently immobilised on the poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) (poly(HEMA-GMA)) film. The invertase immobilisation capacity of the films was increased as the GMA ratio increased in the ... -
Covalent immobilization of Candida rugosa lipase on aldehyde functionalized hydrophobic support and the application for synthesis of oleic acid ester
(Taylor & Francis Ltd, 2013)This study focuses on Candida rugosa lipase (CRL) immobilization by covalent attachment on poly(ethylene terephthalate)-grafted glycidyl methacrylate (PET-g-GMA) fiber. The immobilization yielded a protein loading of ... -
Covalent immobilization of invertase on chemically activated poly (styrene-2-hydroxyethyl methacrylate) microbeads
(Wiley, 2008)A carrier for invertase enzyme was synthesized from styrene (S) and 2- hydroxyethyl methacrylate (HEMA) in the form of microbeads. These poly (styrene-2-hydroxyethyl methacrylate), P(S-HEMA) microbeads were activated by ... -
Covalent immobilization of lipase onto hydrophobic group incorporated poly(2-hydroxyethyl methacrylate) based hydrophilic membrane matrix
(Elsevier Sci Ltd, 2002)In this study, a hydrophobic group containing monomer, 2-methacrylamidophenyalanine (MAPA) was prepared by using methacrylochloride and phenylalanine. Then, poly(2-hydroxyethyl methacrylate-co-methacrylamido-phenlyalanine) ... -
Crystal structure of dimethylammonium bis(naphthalene-2,3-diolato) borate, C22H20BNO4
(Walter De Gruyter Gmbh, 2018)C22H20BNO4, monoclinic, C2/c (no. 15), a = 32.303(4) angstrom, b = 8.2703(6) angstrom, c = 7.3876(6) angstrom, beta = 92.889(8)degrees, V = 1971.1(3) angstrom(3), Z = 4, R-gt(F) = 0.0978, wR(ref)(F-2) = 0.2063, T = 298 K. -
Crystal structure of pyridinium bis(naphthalane2,3-diolato-κ 2O,O′)borate monohydrate, C25H20BNO5
(Walter De Gruyter Gmbh, 2017)C25H20BNO5, triclinic, P (1) over bar (no. 2), a = 7.0868(6)angstrom, b = 10.3522(6)angstrom, c = 15.3140(10)angstrom, alpha= 74.088(7)degrees, beta= 89.996(7)degrees, gamma = 79.190(1)degrees, V = 1059.71(13)angstrom(3), ... -
Crystal Structure of Tertiarybutyl Ammonium Bis[(naphthalene-2,3-diolato)borate] Dimethyl Sulfoxide Solvate
(Japan Soc Analytical Chemistry, 2019)The structure of tertiarybutyl ammonium bis[naphthalene-2,3-diolato)borate] dimethyl sulfoxide solvate was determined by X-Ray crystallography. The compound crystallized in a triclinic system, and was characterized to be ... -
Cytotoxicity and apoptotic effects of nickel oxide nanoparticles in cultured HeLa cells
(Via Medica, 2010)The aim of this study was to observe the cytotoxicity and apoptotic effects of nickel oxide nanoparticles on human cervix epithelioid carcinoma cell line (HeLa). Nickel oxide precursors were synthesized by an nickel ... -
Designing of a stable and selective glucose biosensor by glucose oxidase immobilization on glassy carbon electrode sensitive to H2O2 via nanofiber interface
(SPRINGER, 2020)The integration of the enzymes on the solid electrode surfaces is an indispensable step for the construction of the bioelectrochemical electrode. In the current work, the blend nanofibers consisting of poly (vinyl alcohol) ... -
Determination of Cu, Zn and Cd in water by FAAS after preconcentration by baker's yeast (Saccharomyces cerevisiae) immobilized on sepiolite
(Springer Verlag, 1999)By using the adsorbent Saccharomyces cerevisine immobilized on sepiolite an adsorption-elution method was developed for the preconcentration of Cu, Zn, and Cd followed by flame atomic absorption spectrometry (FAAS). ...