The phrase "at insignificant levels" is correct and usable in written English.
It can be used to describe something that occurs or exists in amounts that are too small to be considered important or meaningful.
Example: "The chemical was detected in the water supply, but only at insignificant levels, posing no threat to public health."
Alternatives: "at minimal levels" or "at negligible levels".
TN-C was present at insignificant levels in non-OA reference fluids.
In contrast, the small nucleolar RNAs U6 and SNORD44, which were not expected to bind Ago2, were detected at insignificant levels.
By comparison, the other two wall polymers of each pair were only changed by less than 7% at insignificant levels (P >0.05, n = 3).
Several variations of these compounds are produced (Fig. 2 and Box 1), but many at seemingly biologically insignificant levels, perhaps as a consequence of a lack of specificity of the AQ biosynthetic enzymes for β-keto fatty acids of different chain lengths rather than for any particular biological function.
By taking traffic loading information into account, packets can be distributed in directions that avoid heavily congested areas, while still keeping the increase in overhead at an insignificant level.
Your success in raising capital decreased to insignificant levels otherwise.
These changes returned to clinically insignificant levels after 20 minutes.
Thus, endogenous c-kit+ cells can generate cardiomyocytes within the heart, although probably at a functionally insignificant level.
To provide a dose of strychnine close to the LD50 for a rat, which normally consumes 10 20 g of food a day, nux vomica would have to be incorporated at an achievable, but not insignificant, level of 5to10%0% of the feed by weight dependent on the weight of the rat and the concentration of strychnine in the nux vomica.
Strong responses against L12 (155–173) observed in both strains at early stage were reduced to an insignificant level.
These were either resolved or recovered to an insignificant level.
