Sentence examples for be certain if these from inspiring English sources
When questioned, the supplier could not be certain if these particular pieces were treated or not.
We cannot be certain if these rules were always applied.
Thus, we could not be certain if these genes were absent or they were lost in the gaps of the incomplete genome sequences.
It is also difficult to be certain if these strains were already non-encapsulated when causing disease, or if they lost their CPS during isolation and culture.
It is impossible to be certain if these titers were specific for serotype 2 since cross-reacting antibodies with other S. suis serotypes and/or with other bacterial species were probably detected.
Although we could not be certain if these bands corresponded to multiple isoforms of the target enzyme or actual unspecific bindings to other proteins without further experiments, we did not expect these apparent multiple bindings to significantly influence the specificity of the ELISA for 2 reasons.
But in the same breath, he admits that he cannot be certain if the effect is real, or imagined.
"We cannot yet be certain if the strike was successful," Cameron said, but British sources were confident that confirmation of death was imminent.
Thus, we cannot be certain if the TEDDICS-CSE relation is also subject to age and gender differences.
The only way to be certain if the illness is typhoid fever is by clinical analysis of stool or blood.
