The phrase "avoid introduction of" is correct and usable in written English.
It can be used when discussing the need to prevent the onset or inclusion of something, often in formal or technical contexts.
Example: "To ensure the integrity of the experiment, we must avoid introduction of any contaminants."
Alternatives: "prevent the inclusion of" or "refrain from introducing".
Efforts were made to avoid introduction of extraneous contamination.
Third, a fixed PEEP level was applied to avoid introduction of a confounding factor.
This way we avoid introduction of unnecessary conservatism in the lifted robust ILC design.
The process taking place in the reduction zone has been described using chemical kinetic principles in order to avoid introduction of assumptions related to achievement of the thermo-chemical equilibrium state during gasifier's operation.
Therefore, we adjusted for these differences in the statistical analyses to avoid introduction of bias.
The skin above the calvarium was sutured after the operation to avoid introduction of micro-agents into the wound.
To mitigate or avoid introductions of invasive species, the Invasive Alien Species Act was promulgated in Japan in 2004.
Finally, using low sampling frequency avoids introduction of linearities within the time series, which has been found to occur during oversampling [ 53].
Then, 40 μl sample was dispensed to each assay well, avoiding introduction of bubbles, and 40 μl homogenizing solution was added to the assay background controls.
Although we avoided introduction of procedures that increase data-collection or analysis time, our results suggest that these types of changes might be necessary after all, as the influence of the assessor would be diminished considerably.
A secondary but also important consideration is that the use of native plants avoids introduction of nonnative and potentially invasive species that may result in decreasing regional plant diversity.
