The phrase "ascertaining the required" is correct and usable in written English.
It can be used in contexts where you need to determine or establish what is necessary or needed for a particular situation or task.
Example: "The team is focused on ascertaining the required resources for the upcoming project to ensure its success."
Alternatives: "determining the necessary" or "identifying the needed".
Although the exact strategy for strand discrimination in these organisms is yet to be ascertained, the required nicking endonuclease activity is resident in the C-terminal domain of MutL.
The authors reviewed the impact questions closely and concluded that ascertaining the health impact requires additional data beyond the factual documentation of incident details.
Data related to these seven families were not included in analyses that required ascertaining the parental gene copy.
For example, cost-benefit calculations might require ascertaining the relative contributions of school and family inputs.
This will require ascertaining the barriers to and facilitators of parental acceptance of the process as well as factors affecting the attitudes of the youth themselves.
Because the role of mtDNA variants in most of these phenotypes is still a matter of debate, it is fundamental that either novel or previously reported mtDNA variants of interest are highlighted and brought forward to subsequent analyses, since functional studies aimed at ascertaining the potential pathogenicity often require cumbersome efforts.
However, this exercise required in ascertaining the best concept capable of meeting the aforementioned design strategies based on system design criteria and objectives are time-consuming, energy sapping and strenuous.
Thus there has been increasing interest in ascertaining the minimum amount of exercise required that might produce effective health benefits.
Thus, the final sample used for the analyses reported in this paper consisted of 23 349 participants who had not previously been diagnosed as having cancer, coronary heart disease, or diabetes mellitus; for whom vital status at follow-up had been ascertained; and for whom all the required information was available.
Whereas public health programs may already target people or subgroups with particular risk factors, the possibility of ascertaining (or requiring reporting of) otherwise unobservable genetic risk factors may complicate issues of protection of personal information, privacy and autonomy.
