The phrase "a more dramatic effect" is correct and usable in written English.
It can be used when discussing the impact or influence of something, particularly in artistic or expressive contexts.
Example: "The lighting changes created a more dramatic effect during the performance, captivating the audience."
Alternatives: "a greater dramatic impact" or "a heightened dramatic influence".
Although a small degree of differentiation was observed with an inducible MYB shRNA alone, a more dramatic effect was apparent from the synergy between MYB knockdown and (otherwise) marginally-effective concentrations of DIAs, which resulted in essentially complete differentiation.
Sites with faster acetylation incorporation are expected to show a more dramatic effect upon deacetylase inhibition.
"Some earlier studies found a more dramatic effect on mortality risk from sedentary time, and others are similar to our findings.
Prof May's warning comes as British scientists, in the journal Nature, show that emissions of carbon dioxide could have a more dramatic effect on climate than thought.
The other, OpenCL, could have a more dramatic effect on performance for some programs as it will tap into the power of graphics processors (GPUs) that now goes to waste.
In the case of a low shrub or group of plants, a more dramatic effect can be achieved by placing the light behind the plant (or plants) so that the light outlines it.
Our results demonstrate that while a transmembrane peptide has severe effects on overall bilayer properties, the surface bound peptide has a more dramatic effect in reducing lipid head-group mobility.
Opting to exclude reviewers may have a more dramatic effect.
Transforming growth factor beta had a more dramatic effect, positively regulating lattice contraction.
If RISC recruits eIF4E2 through TNRC6A to repress translation, one would expect that TNRC6A downregulation should have a more dramatic effect than eIF4E2 downregulation.
In fact, there is some evidence that it has on balance reduced traffic fatalities by encouraging the substitution of marijuana for alcohol, which has a more dramatic effect on driving ability.
