The phrase "a reduction in levels" is correct and usable in written English.
It can be used when discussing a decrease in quantities, amounts, or intensities in various contexts, such as environmental science, economics, or health.
Example: "The study showed a reduction in levels of pollution in the river after the new regulations were implemented."
Alternatives: "a decrease in levels" or "a drop in levels".
The Decision Analysis Tools and the Computer-based Information tool were associated with a reduction in levels of decisional conflict.
While some will announce a reduction in levels, others will lower production.
Higher family income was also associated with a reduction in levels of parental depression.
We attribute this effect to a reduction in levels of pro-oncogenic or pro-survival proteins having short half-lives, like Mcl-1, cyclin D1 or c-Myc.
Typically, studies investigating flavonoid metabolism demonstrate a reduction in levels of the compound undergoing metabolism concurrently with an increase in levels of the metabolic product.
This observation is also supported by detection of a reduction in levels of cyclin A and cyclin B1, as well as the proliferation marker PCNA, which should have increased if these cells were able to progress towards DNA synthesis.
This was demonstrated by a reduction in levels of Vimentin and GAP-43, a marker for axonal regeneration, as well as NF-H, a late marker for axonal maturation in Ndel1 siRNA treated nerves (Fig. 6).
The mean value for total serum cholesterol in the 772 subjects who were on lipid-lowering therapy, was 5.4 (±1.2) mmol/l (LDL cholesterol: 3.6 (±1.2) mmol/l), and these subjects had achieved a reduction in levels of total serum cholesterol of 49.5%.
If a reduction in levels of essential short-lived proteins is associated with the synergistic effects observed between inhibitors of elongation and Dxr, then one might expect that the presence of a proteasome inhibitor in this system might antagonize the effects of protein synthesis blockade.
A reduction in levels of specific and total IgE were observed after successful TB treatment.
Praziquantel treatment of S. haematobium is associated with a reduction in levels of MIP-1α/CCL3.
