Sentence examples for a threshold concentration of from inspiring English sources

Stimulated lymphocyte T and B proliferation was significantly decreased at a threshold concentration of 0.3%.

The most potent of these agonists is quinidine, with a threshold concentration of about 0.3 µM, whereas epiquinidine and ethylhydrocupreine activate the receptor at or beyond 10 µM.

This indicated that a threshold concentration of carbon source may be required before such mechanisms of solubilization are invoked.

This increase allowed the titration of the antigen in serum above a threshold concentration of 10 nM.

K2 contained numerous regulatory categories (Supplementary Table V), suggesting that the pulsatile transcript dynamics could be established by an early increase in synthesis rates and delayed down-regulation due to mRNA-decay at a threshold concentration of MazF.

FGF-2 increased DNA content; however, high concentrations of FGF-2 inhibited/delayed osteogenic differentiation, while a threshold concentration of BMP-2 was required for significant osteogenic enhancement.

We conclude that there exists a threshold concentration for which larger concentrations of magnetic ions do not help to increase the magnetic signal.

We have also shown that a threshold concentration (0.2% of TSP) of GFP was required for PBs to form, regardless of the fusion partner's presence or absence.

In a genetic switch such as the famous phage lambda switch in Escherichia coli [ 6], it produces a sharp increase of the expression level at a certain threshold concentration of a transcription factor.

In order to test the effect of RF exposure on provoked Ca2+ signals, a threshold concentration (1 µM) of the agonist histamine was applied to cause Ca2+ release from intracellular stores during the exposure period.

However, foam can be produced only after a certain threshold concentration of a surface-active compound has been exceeded.