The phrase "ascertain the specificity of" is correct and usable in written English.
It can be used when you want to determine or clarify the precise details or characteristics of something.
Example: "In order to improve our product, we need to ascertain the specificity of customer feedback regarding its features."
Alternatives: "determine the details of" or "clarify the precision of".
All ChIP samples were tested for false-positive PCR amplification by sequencing the 200-bp amplified product to ascertain the specificity of FRα binding to cis-regulatory elements.
Consecutive sections were also incubated in the presence of atropine (1 μM; Sigma RBI) to ascertain the specificity of the labelling.
To ascertain the specificity of Desi3a towards FLS2, we tested the sub-cellular localization and interaction of the Desi protease encoded at the loci AT2G25190, the closest homologue of Desi3a, with FLS2-GFP.
Alkaline-degraded OLO samples were chromatographed to ascertain the specificity of the developed method for OLO.
Immunofluorescence control experiments were conducted to ascertain the specificity of our dystonin-b antibody and to rule out the possibility of non-specific signals.
To better ascertain the specificity of the in vitro recombination reaction catalyzed by IntI1, two mutated enzymes containing amino acid substitutions R146K and R280E were assayed.
Placental DNA samples of the heterozygous C/G, homozygous C/C and homozygous G/G genotypes were tested with the HLCS and rs6636 duplex assay to ascertain the specificity for detecting either one of the SNP alleles.
We ascertained the specificity of this binding of the probe to Bapx1 using a supershift assay.
Because we were not able to ascertain the specificity or degree of atopy in the NSLAH, atopy reflects subjects' allergic status in general, not specific sensitization to mouse allergen.
The viability of bacteria present in breath samples should also be ascertained and their identity confirmed by molecular testing to determine the specificity of the test.
However, the goal of the present experiments was not to recover the chimpanzee, gorilla, or cod sequences, but rather to ascertain the limits of specificity of the human microarray.
