"the effect of altering" is correct and can be used in written English.
You could use it for example when discussing the impact of a change, such as: "The effect of altering the educational system has had far-reaching implications for students."
Herein, we report on the effect of altering mAb-IR700 and light power and dose on effectiveness of PIT.
This has the effect of altering the internal ionic concentration and initiating an electrical signal.
The smaller size of the sensors in previous digital cameras had the effect of altering the properties of film lenses attached to them.
With sophisticated motion-capturing cameras and computer programs, he mimics skaters' positions during jumps and calibrates the effect of altering angles of the head, torso, arm and leg.
What might be the effect of altering the policy to focus on financial disadvantage, in addition to or instead of focusing on race and/or gender?
The event's program promised that the tour would visit ordinary street sites that would "inadvertently produce the effect of altering the observer's brain waves toward a meditative or hyper-alert state.
The differences in the amino acid compositions of the opsins have the effect of altering the charge environment around the chromophore group, which in turn shifts the wavelength to the photopigment that is maximally sensitive.
Figure 1 The effect of altering the shape parameters of a Q-Bézier curve.
The effect of altering the morphology ultimately results in significant changes in the observed conductance of these materials.
The effect of altering the control parameters and feature selection was studied to arrive at the pharmacophore model.
Concentrating on the effect of altering the dimensions of the object, the thermal conductivity, the heating method, and the Re was embraced.
