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Immunoliposomes, bearing Fab' fragments of anti-carcinoembryonic antigen (anti-CEA) monoclonal antibody, have been prepared according to a new method developed in our laboratory. First, egg phosphatidylcholine liposomes were coated with pullulan derivatives. Then, SH-bearing Fab' fragments of...
Semi-interpenetrating polymer networks (semi-IPN's) composed of cross linked poly(2-hydroxyethyl methacrylate) (PHEMA), and linear poly(caprolac tone) (PCL), display improved mechanical properties over pure PHEMA in the water swollen state without covalent bonding between the components.
The initial rate constants of hydrolysis of 4-nitrophenyl acetate, catalyzed by bile-salt-stimulated human milk lipase, have been measured over the tempera ture range 20 ° C to 37 ° C, in 0.1 M buffer solutions in the pH range 6-10, and in the presence of 2 mM sodium taurocholate. From these...
Poly(ether urethane) membranes were synthesized from toluene diisocyanate (TDI), and poly(propylene-ethylene) glycol. Catalysts, chain extenders, solvents, or other reagents were not used during the preparation to make the biomedical grade membranes. Density, water content, oxygen diffusivity,...
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