Ara
Toplam kayıt 74, listelenen: 11-20
Adsorption of trypsin onto magnetic ion-exchange beads of poly(glycidylmethacrylate-co-ethyleneglycoldimethacrylate)
(John Wiley & Sons Inc, 2008)
Magnetic beads were prepared from glycidyl methacrylate (GMA), and ethyleneglycol dimethylmethacrylate (EGDMA) in the presence of Fe3O4 nanopowder via suspension polymerization. The magnetic beads were characterized by ...
Studies of adsorption of alkaline trypsin by poly(methacrylic acid) brushes on chitosan membranes
(John Wiley & Sons Inc, 2008)
Poly(methacrylic acid)-grafted chitosan membranes (chito an-g-poly(MAA)) were prepared in two sequential steps: in the first step, chitosan membranes were prepared by phase-inversion technique and then epichlorohydrin was ...
Electrochemical reduction of NAP on the glassy carbon electrodes modified with aromatic diazonium salts
(Bentham Science Publ Ltd, 2008)
The electrochemical reduction of 4-{[(1E)-(2-hydroxynaphthyl)methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one (NAP) was studied by using cyclic voltammetry in acetonitrile media at a glassy carbon (GC) ...
The effect of preparation procedure for precursor on the morphology, surface area and porosity of alumina powders
(Asian Journal Of Chemistry, 2008)
In order to investigate the effect of preparation procedure for precursors on some physico-chemical properties of powders, three alumina precursors were prepared by different ways. The first precursor (P1) was precipitated ...
Poly[triaquabis-(μ(2)-3-carboxy-pyrazine-2-carboxyl-ato)dilithium(I)]
(Blackwell Publishing, 2008)
In the title compound, [Li-2(C6H3N2O4)(2)(H2O)(3)](n), the coordination number for both independent Li+ cations is five. One of the Li+ ions has a distorted trigonal-bipyramidal geometry, coordinated by one of the carboxyl ...
Immobilization of glucose isomerase in surface-modified alginate gel beads
(Wiley, 2008)
In this study, glucose isomerase enzyme was entrapped into modified and nonmodified calcium alginate gel beads. Various characteristics of free and immobilized enzymes such as the optimum pH, temperature and dependence of ...
1,4-diferrocenylbutane-1,4-dione
(Blackwell Publishing, 2008)
In the crystal structure of the title compound, [Fe-2(C5H5)(2)-(C14H12O2)], each carbonyl group is coplanar with the adjacent cyclopentadienyl ring, thus maximizing the pi-orbital overlap and electronic interactions between ...
Adsorption of Cr(VI) onto PEI immobilized acrylate-based magnetic beads: Isotherms, kinetics and thermodynamics study
(Elsevier Science Sa, 2008)
Magnetic poly(GMA-EGDMA) beads were prepared from glycidylmetharylate (GMA) and ethyleneglycol dimethacrylate (EGDMA) in the presence of Fe3O4 nano-powder via suspension polymerization. After polymerization, the magnetic ...
Preparation of methacrylamide grafted and dye-ligand immobilized PET fibers: Studies of adsorption and purification of lysozyme
(John Wiley & Sons Inc, 2008)
In this study, novel affinity chromatographic fibers was prepared from methacrylamide grafted poly(ethylene terephthalate), PET-g-pMAA, using benzoyl-peroxide as an initiator. A dye ligand (i.e., Procion Brown) as a ligand ...
Preparation of nanofibrous polymer grafted magnetic poly(GMA-MMA)-g-MAA beads for immobilization of trypsin via adsorption
(Elsevier, 2008)
Poly (glycidylmethacrylate-methylmethacrylate), poly(GMA-MMA) beads were prepared via suspension polymerization in the presence of ferric ions. The epoxy groups of the poly(GMA-MMA) beads were converted into amino groups ...