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Article
One-step immobilization and purification of his-tagged enzyme using poly(2-acetamidoacrylic acid) hydrogel
Ni2+-Complexed poly(2-acetamidoacrylic acid) (PAAA) hydrogel support was developed for the one-step immobilization and purification of recombinant histidine-tagged glutamyl aminopeptidase (His-tagged GAP). Ni2+-P...
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Article
Amphiphilic gradient copolymer of [poly(ethylene glycol) methyl ether] methacrylate and styrene via atom transfer radical polymerization
Well-defined amphiphilic gradient copolymers of poly(ethylene glycol) methyl ether methacrylate (PEGMA) and styrene were successfully synthesized using atom transfer radical polymerization. The relative reacti...
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Article
Preparation of polymer-coated magnetite fine particles for immunoassay magnetic marker
Polymer-coated magnetite fine particles with carboxyl groups were developed for applications as an immunoassay magnetic marker. The magnetite composites were prepared using the following method. A hydrophilic ...
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Article
Modification of Monodisperse Colloidal Silica by Radical Copolymerizatoin of Cationic Surface Active Vinyl Monomers
Adsorption and polymer modification of colloidal silica by radical copolymerization of surface active monomers, i.e., polymerizable surfactant having a vinyl end group, were investigated. Radical copolymerization...
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Article
Synthesis of aniline-based azopolymers for surface relief grating
Epoxy-based azopolymers were synthesized by the reaction of the diglycidyl ether of bisphenol A (DGEBA) orN,N-diglycidyl aniline (DGA) with disperse orange 3 (DO3) to give poly(DGEBA-co-DO3) or poly (DGA-co-DO3),...
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Article
Cross-linking of Grafted Copolymer on Colloidal Silica and Introduction of Surface Amino Group
To obtain polymer-modified silica (550 nm diameter), trimethoxysilyl-terminated poly(glycidyl methacrylate-co-methyl methacrylate) with epoxy ring (to prevent the formation of carboxyl group) was successfully ...
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Article
Preparation of Polyglycidol/SiO2 Hybrid Films with Triethoxysilyl-Capped Poly(ethylene glycol)
The preparation and properties of polyglycidol (PGLD)/silica hybrid gels were investigated. The gels were synthesized by the reaction of hyperbranched PGLD and triethoxysilyl-capped poly(ethylene oxide) in the...
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Article
Synthesis of Polyglycidol Hydrogel Films Crosslinked with Carboxyl-terminated Poly(ethylene glycol)
With the attempt to largely increase the water content while kee** mechanical properties, hyperbranched polyglycidol (PGLD) hydrogel films were prepared using the oligomeric crosslinking agent, carboxyl-term...
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Article
Erratum to: Effect of salt concentration on the glass transition temperature and ionic conductivity of poly(ethylene glycol)-polyurethane/LiClO4 complexes
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Article
Effect of salt concentration on the glass transition temperature and ionic conductivity of poly(ethylene glycol)-polyurethane/LiClO4 complexes
Solid polymer electrolytes based on poly(ethylene glycol)-polyurethane (PEG-PU) complexed with LiClO4 salt have been prepared by the solvent casting method. A PEG-PU material (PEG:4,4′-diphenylmethane diisocyanat...
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Article
Van der Waals-like Equations of State. II. Application to n-Alkane Mixtures and Poly(dimethylsiloxane) Solutions
The FHN equation of state proposed in a previous paper has also been applied to mixtures of n-alkanes. The values of excess enthalpy, volume, and chemical potential obtained from the FHN equation using the reduct...
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Article
Thermodynamic study on heat of mixing of polyisobutylene with ethylbenzene
The heat of mixing of polyisobutylene with ethylbenzene was measured from 18.2 to 69.2° C with a Tian-Calvet twin micro-calorimeter, and the exchange enthalpy parameter X12 in Flory's theory was estimated. The X1...
