The phrase "allowed us to differentiate" is correct and usable in written English.
You can use it when discussing the ability to distinguish or identify differences between items, concepts, or groups.
Example: "The new data allowed us to differentiate between the two customer segments more effectively."
Alternatives: "enabled us to distinguish" or "permitted us to identify differences".
HPLC DAD allowed us to differentiate the gums used.
We used a task that allowed us to differentiate between general skill and sequence-specific learning.
The use of a TFEM allowed us to differentiate the unobserved heterogeneity of individual hospitals as hospital-specific fixed effects.
The use of a control sense probe allowed us to differentiate between the true positive signal and the background noise.
The array produced unique hybridization patterns for each species of harmful algae and allowed us to differentiate the closely related species.
Orthogonal projection least squares-discriminant analysis (OPLS-DA) was done which allowed us to differentiate between the variables concerning the different stages of fibrosis.
Another possible explanation is that we may have detected both active and latent infections of HAdV-C through use of OP swabs [ 38], since laboratory methods used do not allow us to differentiate the two [ 28, 32, 34, 37, 39].
The experimental data obtained using thermogravimetry (TG-DTG) allows us to differentiate all the fossil bone samples analyzed into two separate clusters and to interpret this differentiation in terms of the observed transitions.
Since we sequenced normalized cDNA libraries and did not include untreated plants, our data do not allow us to differentiate between presence/absence polymorphisms and differential expression.
The small sample size also does not allow us to differentiate between false positives and differential association between Tourette syndrome (the more extreme phenotype) and Tourette syndrome/chronic tic disorder (less extreme).
This coding system did not allow us to differentiate between open and arthroscopic approaches used for rotator cuff repairs performed during the study period.
