The phrase "affect activity" is correct and usable in written English.
It can be used when discussing how one factor influences or changes another factor's level of activity or engagement.
Example: "The new policy is expected to affect activity levels in the workplace, leading to increased productivity."
Alternatives: "influence engagement" or "impact performance".
How can a conservative mutation located over 20 Å away from the active site affect activity selectively at low temperature?
Campaigners have said the ban will affect activity against the arms trade, fossil fuels, tobacco products and Israeli settlements in the occupied West Bank.
Both, the enhanced polarization and proton delocalization may affect activity and selectivity for zeolite-catalyzed reactions.
Phospholipids affect activity, biogenesis and stability of protein complexes including protein translocases and respiratory chain supercomplexes.
By correlating experimental data with ΔHf, structural features that affect activity have been identified and considered in perspective.
These are potentially important, as acute changes in medication regime, reduced levels of adherence, or different treatment protocols for different illness phases could affect activity in our sample.
Our results show that bioisosteric replacement of amide group in 2-position of the chroman moiety, by 1,3,4-oxadiazole did not affect activity.
Although other consequences of SCI may have greater impact on activities than pain, severe pain is likely to affect activity levels significantly.
We recently showed that 5′-terminal secondary structures in CpG DNA affect activity significantly more than those at the 3′-end [Biochem. Biophys. Res. Commun. 306 (2003) 948].
Here we challenge this view showing that non-predictive peripheral cues can affect activity in rTPJ, but only when they share a feature with the target: i.e. when they are set-relevant.
Similar α-glucosidase inhibitory activity was demonstrated for mangiferin and isomangiferin, indicating that the position of the sugar moiety on the dibenzo-γ-pirone structure did not affect activity.
