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enzyme activity
The effect of the most promising ones have been looked on the counterparts from mammalian sources and difference in the susceptibility towards enzyme activity inhibition were noted.
      
The results indicated that cancer stem cells show a higher level of enzyme activity than non-stem cells.
      
The Cu2+ had strong restrictive effect on enzyme activity.
      
A rapid but transient decrease in the enzyme activity was observed after 9-12 h after adding glucose to the culture medium.
      
In the first case, the enzyme activity adsorbed on residual solids after extended hydrolysis was used for hydrolysis of the newly added substrate.
      
The catalytic enzyme activity and working stability of catalase was tested kinetically in the multienzyme complexes prepared by different methods.
      
The composition of proteins displaying enzyme activity was assayed by polyacrylamide gel electrophoresis.
      
The curve relating the dependence of enzyme activity to pyruvate concentration had a sigmoid shape.
      
The enzyme activity persisted for 24 h in the presence of stabilizers, pyruvate, and thiamine pyrophosphate.
      
Enzyme activity in Penicillium funiculosum mutants was studied in submerged culture.
      
Maximum enzyme activity was observed in a medium containing biomass of the fruiting bodies of the fungus Macrolepiota procera.
      
Purification of hyaluronidase allowed us to obtain biological preparations standardized in protein composition and enzyme activity, which are useful for basic and applied studies.
      
In vitro, the preparation irreversibly inhibited acid and alkaline proteases and proteolytic and lipolytic enzymes of microorganisms and reduced enzyme activity in fish muscle tissue.
      
Methanol dehydrogenase activity in extracts of the biomass obtained in a highly deuterated medium (2H-enzyme) was 34-47% of the enzyme activity in the control biomass (1H-enzyme), which depended on the reaction conditions.
      
Enzyme activity was revealed in the cells grown on medium with elemental sulfur or in the presence of various sulfide minerals and concentrates of sulfide ores.
      
The change of carbon source (CO2 or fructose) did not affect the time course of the enzyme activity significantly.
      
japonica was found to suppress the enzyme activity.
      
Specific features of enzyme activity regulation by citrate and trans-aconitate under these conditions were revealed.
      
The enzyme activity in nonsynaptic brain mitochondria isolated from the rats treated with ammonium acetate was estimated from the release of H2O2using spectrophotometry.
      
At the same time, GABA (1 μM) enhanced the effect of low diazepam concentrations (0.1-1 μM) on the enzyme activity but had no effect on it in the presence of high concentrations of the ligand.
      
 

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