The phrase "ascertain that indeed" is correct and usable in written English.
It can be used when you want to confirm or verify something with certainty.
Example: "Before proceeding with the project, I need to ascertain that indeed all team members are on board with the plan."
Alternatives: "confirm that indeed" or "verify that indeed".
And because there is no way to ascertain that Iran would indeed attack Israel if it had nuclear weapons at its disposal, Israel must not attack Iran.
Yet, how confident and on what basis was Mr. Oppenheimer able to ascertain that a nuclear reaction indeed would fade out over a certain space and, indeed, did he think afterwards it was a mistake to place so many people close to the initial tests after radiation illnesses resulted?
The lack of a significant test for interaction means that our finding does not rule out the possibility that this difference could be due to chance and does not ascertain that systemic steroids have indeed an opposite effect in ICU and non-ICU patients, especially with the finding of inconsistent results in ICU studies [41].
The Frenchman's?" The women don't speak English so they continue yelling at him in Hebrew, trying to ascertain that the suitcase is, indeed, his and trying to figure out what's in it.
To ascertain that these tumours were indeed derived from exogenous PANC-1-cells, immunostaining of the tissue with antibodies directed against pancreatic polypeptide was performed.
The lack of a significant test for interaction means that our finding does not rule out the possibility that this difference could be due to chance and does not ascertain that systemic steroids have indeed an opposite effect in ICU and non-ICU patients, especially with the finding of inconsistent results in ICU studies [ 41].
Based on these observations, it may be desirable to incorporate any or all of the following to ascertain that an observed signal is indeed reflective of S100B: 1) Protein levels are generally caused by increased mRNA.
To ascertain that the developmental prosopagnosics did indeed have face recognition deficits, each individual was tested on the Cambridge face memory test (CFMT; Duchaine and Nakayama, 2006 b ) and on a Famous faces test (Duchaine and Nakayama, 2005).
To ascertain that the new courses were indeed more learner-centered compared with the introductory biology courses in the original curriculum (i.e., BIO 121 and 122), we used the Science Course Questionnaire (adapted from Partnerships for Reform Initiatives in Science and Mathematics T4 Undergraduate Initiative, Eisenhower Foundation 1999; Supplemental Material C).
We wanted to ascertain that the observed growth phenotypes of sgn3 are indeed caused by the Casparian strip defect in the roots and not by some hypothetical, non-redundant function of SGN3 in shoots.
