The phrase "a concomitant decrease in the levels" is correct and usable in written English.
It can be used in contexts where you want to describe a simultaneous reduction in certain levels or quantities, often in scientific or analytical discussions.
Example: "The study revealed a concomitant decrease in the levels of pollutants in the water following the implementation of new regulations."
Alternatives: "an accompanying reduction in the levels" or "a simultaneous decline in the levels."
A concomitant decrease in the levels of toxic intermediate, 3-HPA, was observed, with the specific productivity levels being 25% lesser than that of the native strain.
It also increased the oxidative stress markers resulting in elevated levels of the lipid peroxidation with a concomitant decrease in the levels of enzymatic antioxidants (SOD, CAT, GPx) in both spleen and thymus, and also degradation of thymocyte and splenocyte DNA.
HeLa cells depleted of eEF1γ show a consistent increase in the levels of carbonylated proteins and a concomitant decrease in the levels of the Tom20 protein.
This was associated to a concomitant decrease in the levels of pCREB (Supplementary Figure S8b), a key signaling marker of the CB1/BDNF axis described above.
Interestingly, knockdown of USP7 caused a concomitant decrease in the levels of chromatin-bound USP11, underscoring the close association between these two proteins (Supplementary Figure S7C).
Supporting this conclusion is the finding that ubiquitylated forms of ERCC1 accumulate in cells lacking USP45, accompanied by a concomitant decrease in the levels of the non-ubiquitylated form of ERCC1.
We observed a concomitant decrease in the level of PPARγ mRNA in the diabetic mice compared to the WT mice.
SPR biosensor chip surfaces, prepared with HMW oligomeric wt TTR, exhibited an increased level of Congo red binding with a concomitant decrease in the level of diflunisal binding.
However, decreasing the culture temperature to 30°C induced an increase of mAb HM level, with a concomitant decrease in the level of bi-antennary galatosylated glycans (G1F and G2F) (Fig. 6F and G).
An increase in oxygen and cerulenin levels resulted in a concomitant decrease in the DHA to docosapentaenoic acid (DPA) (DHA/DPA) ratio in BL10 oil.
