Substrate utilization and inhibition kinetics: Batch degradation of phenol by indigenous monoculture of Pseudomonas aeruginosa
The biodegradation potential of an indigenous monoculture of Pseudomonas aeruginosa was studied in batch fermentation using synthetic phenol in water in the concentration range of (100 - 500) mg/L as a model limiting substrate. The effect of initial phenol concentration on the degradation process was investigated. Phenol was completely degraded at different cultivation times for various initial phenol concentrations....
Pathogenic variability within biochemical groups of Pectobacterium carotovorum isolated in Algeria from seed potato tubers
One hundred Pectobacterium carotovorum, isolates, recovered from soft rot symptoms on potato tubers in Algeria and previously characterised taxonomically, were assessed in a half-tuber test for differences in ability to cause tuber rotting on two cultivars (Désirée and Bintje) respectively considered to be moderately and very susceptible to soft rot. A first trial at 20°C, involving the...
Studies in the graft copolymerization of acrylonitrile onto cassava starch by ceric ion induced initiation
Graft copolymers of starch and acrylonitrile were synthesized in aqueous solution. Ceric ammonium ion was used to initiate the graft copolymerization. Ten grades of graft copolymers were synthesized- five by varying the initial concentration of the monomer and the other five by varying the initial concentration of the initiator. Evidence of graft copolymerization of the hydrolyzed products was obtained from...
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