Sentence examples for exists by which from inspiring English sources

When the mean is infinite, no natural scale exists by which to gauge measurements.

However, no "gold standard" currently exists by which to discriminate NPSLE with high sensitivity and specificity despite a combination of behavioral (e.g., cognitive dysfunction), radiological (e.g., ischemic changes), and laboratory findings (e.g., cytokine production) [11].

Our data suggest for the first time that a feedback mechanism exists by which Ang-1 downregulates VEGF-mediated vascular instability, resulting in vascular stabilisation.

This presents a difficulty in assessing these new agents, as no established reference standard exists by which to judge their effectiveness [ 20, 21].

As laminins capable of providing outside-in signals are present on axons at the time of myelination, a mechanism exists by which morphology and myelin generation might be regulated independently in each oligodendrocyte process.

This work also raises the possibility that a regulatory feedback loop exists, by which the efficacy of phagocytic cargo processing in turn regulates the rate of engulfment and ultimately determines the kinetics of phagocytosis and dead cell clearance.

Accordingly, specific regulatory mechanisms of G-quadruplex conformation may exist, by which the current experimental evidence provides us an opportunity to create polymorphic G-quadruplexes using nucleotide derivative substitutions at selected positions in conjunction with different ionic conditions.

The fact that so many methods exist by which people "connect" or "hook up" means that something like "cheating," which used to seem black and white, has to be constantly redefined.

An additional, perhaps complementary, pathway may also exist by which P influences anxiety by interacting with PR.

At least two distinct mechanisms exist by which bacterial pathogens kill C. elegans: "slow killing" which takes place over the course of several days and is associated with bacterial infection of the nematode, and "fast killing" which is mediated by diffusible toxins and is not associated with the accumulation of bacteria in the nematode intestine [26].

Numerous mechanisms exist by which cells can repair DSBs.