The phrase "a marked effect of" is correct and usable in written English.
It can be used to describe a significant or noticeable impact or influence that something has on another thing.
Example: "The study revealed a marked effect of the new teaching methods on student performance."
Alternatives: "a significant impact of" or "a pronounced influence of".
The results highlight a marked effect of temperature on the extent of the transformation region and, consequently, on the crack tip stress distribution.
The results of this study also showed a marked effect of the CsA administration in terms of the histopathological damages caused on the kidney of the rats in CsA group.
Finally, the proposed model was used to analyze different loading conditions of a commercial superelastic NiTi alloys, which demonstrated a marked effect of the temperature on the crack tip stress distribution.
There is a marked effect of solvent on both r1 and r2 in all these systems, which is most probably due to changes in the dielectric constant of the solvents used.
A marked effect of ionic strength on partition coefficient of phenol was observed with partition coefficient increase to 134 when measured in the presence of 20 wt% KCl in phenol aqueous solution.
The experiments carried out on the ground, under conditions of elevated artificial gravity, during parabolic flights, and aboard the Mir Space Station demonstrated a marked effect of gravity both on the process and products.
Catalyst loading has a marked effect on esterification of FFA and transesterification of fatty acid tri-glycerides of Sal oil.
The type of endosperm in corn fed to dairy cows can have a marked effect on digestion of starch and NDF.
Studies have indicated that varying the forage to grain ratio in cattle rations can have a marked effect on populations of E. coli.
Rapamycin is known to have a marked effect on the expression of a subset of transcripts referred to as terminal oligopyrimidine (TOP) mRNAs [ 18].
Our results demonstrate that the intracellular location of AGPase has a marked effect on the capacity of the enzyme to increase starch synthesis and, in turn, seed weight.
