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Cephalosporine C was coupled onto cellulosic derivatives of N-(4-carboxy phenyl)carbamoylmethyl cellulose and crosslinked carboxymethyl cellulose to achieve controlled drug release. Starting from a mathematical model, the in fluence of certain parameters of the reaction (drug/support,...
The cross-linked polyacrylamide films containing covalently-bonded N'-4- (2-acryloyloxyethyl)phenyl-N5-4-chlorophenylbiguanide hydrochloride (CPF-2) exhibit antibacterial activity at their surfaces and successfully act as self- sterilizing materials. Scanning electron microscopy studies indicate...
Polyethylene glycol (PEG) surfaces have been shown to be resistant to fouling by adsorbed proteins and cells. We have studied radiation induced graft copoly merization of hydroxyethyl methacrylate (HEMA) monomer and different molecular weight polyethylene glycol methacrylate (PEGMA) and methoxy...
The rates of uptake of 35S from S(-II) solutions by wine yeasts, Saccharomyces cerevisiae strains R92 and R104 and Saccharomyces chevalieri strain R93, were measured at pH 3.1 and 7.2 over the temperature range 5 ° C to 80 ° C and at 0.3 (or 0.5) mM and 5.0 mM S(-II) concentrations. Three...
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