The phrase "a discernable effect on" is correct and usable in written English.
It can be used when discussing the impact or influence that something has on another thing or situation.
Example: "The new policy had a discernable effect on employee productivity, leading to improved performance across the board."
Alternatives: "a noticeable impact on" or "a measurable influence on".
In such a circumstance, the reduced expression of one RacGEF may not have a discernable effect on total cellular levels of activated Rac.
These siRNAs broadly reduced the expression of other viral proteins in addition to P, but did not have a discernable effect on cellular protein expression.
There is little reason to believe that preventing people from purchasing 16 ounces sodas would have a discernable effect on their obesity.
These findings indicate that while the sod2 mutant allele did not have a discernable effect on total Aß levels, the antioxidant treatment did drop Aß levels significantly.
In this analysis, 25 of the 26 PMMs had a discernable effect on cytoskeletal organization and/or cell shape.
In contrast to the effects of H1 depletion on STAT92E distribution, neither STAT92E depletion nor its hyperphosphorylation had a discernable effect on H1 localization.
Increased rates of gametocyte carriage were a harbinger of sulfadoxine-pyrimethamine resistance in Southern Africa, before any discernable effect on cure rates [29].
The lack of any discernable effect on heart disease death ("coronary death") raises concerns about the real benefits of fish oil supplements in patients at high risk for cardiovascular disease.
In contrast, the effect of M+-OHad was found to be strongly dependent on the surface coverage of OHad on Pt; e.g., while no effect is found when the surface is pre-covered by adsorbed CO (COad), a discernable effect is observed on OHad pre-covered Pt surface.
r84 and RAFL-2 had no discernable effect on MDSC numbers after one week of therapy although each reduced MDSC infiltration after 4 weeks of treatment (Fig. 2C; Fig. S1D).
However, with a 38 °C acclimation, a 45 °C heat challenge (AT45) had no discernable effect on seedling survival, but did show decreased root growth, both compared with the effects of a 42 °C heat challenge (AT42).
