The phrase "activation of a significant" is correct and usable in written English.
It can be used in contexts where you are discussing the initiation or triggering of something important or noteworthy, often in technical or scientific discussions.
Example: "The activation of a significant enzyme in the metabolic pathway is crucial for energy production."
Alternatives: "initiation of a major" or "triggering of an important".
A larger amount of 154Eu is produced by neutron activation of a significant portion of the non-radioactive 153Eu; however, much of this is further converted to 155Eu.
Solution exchanges were rapid, as prolonged matrix exposures to Ca2+ caused activation of a significant leak component.
To enable the activation of a significant fraction of the reactions in the network, we considered a rich media in which all exchange reactions in the network model are enabled.
For those clusters of activation showing a significant main effect of diagnostic group, an exploratory post-hoc analysis was conducted using analogous repeated-measures ANOVA models on the cluster peaks of activation to explore the direction of the group differences, by extracting the beta estimate of activation at the voxel of peak activation for each cluster.
Analysis of CD11b, a marker of microglial activation, revealed a significant interaction of sex and minocycline treatment (F1,32 = 5.15, p = 0.03), such that minocycline significantly inhibited CD11b expression in males (p < 0.05) but significantly increased CD11b expression in females (p < 0.05; Fig. 3b).
Consistent with the kinetics of expression of the molecular markers of macrophage activation, a significant percentage of CD14+ cells produced TNF-α in the lungs and spleen (10.5% and 9.1% respectively) of CDC1551 infected rabbits at 4 weeks post infection [ 15].
Although additional targets for resveratrol in the molecular mechanism that governs SOCE cannot be discarded, the present results demonstrate that ERK1/2 pathway is a major target for resveratrol, and that the impairment of its activation produces a significant inhibition of SOCE.
Coinciding with maximum caspase-3 activation, we observed a significant activation of caspase-7 (20-fold at IC50 and 40-fold at IC80).
This, along with an interobserver variability of up to 5 ms or more in the manual assignment of activation time, is a significant limitation of activation mapping.
Thus, it is likely that part of the behavioral activation and a significant portion of striatal signaling events triggered by 3-MT are dependent on TAAR1.
A risk adjusted analysis of time to activation identified a significant effect of centre (change in −2LogL=247.4, df=64, P<0.001).
