The phrase "a clear change at" is correct and usable in written English.
It can be used to indicate a specific point in time or a location where a noticeable change occurs.
Example: "There was a clear change at the halfway mark of the project, leading to improved results."
Alternatives: "a distinct shift at" or "an evident transition at".
However, for genes Rv3127 and Rv0572c our change point analysis showed a clear change point at time point 6.
Additional file 9 shows two histograms of A) the upstream distance to TSS in both, significant and suggestive trait-associated SNPs, with a clear change in frequency at distances greater than 20 Kb away from the TSS and B) a closer look at the <20 Kb region.
However, proliferation per se is not the sole reason for the altered differentiation profile in the Id1 knockout cells since vital dye marking of the HSCs, which allows for marker analysis at each cell division, shows a clear change in differentiation status at each cell division.
For station TCGH16, the RSD is relatively high because there is a clear change of recovery speed at ~104 s.
Spectratypes showed a clear change in the repertoire at day 7 after vaccination, with a return to the baseline levels at day 28.
Each laser lesion was visible as a clear change with distinct borders at the level of the RPE, the photoreceptor layer, and, to a lesser extent, the outer nuclear layer (ONL).
A clear change in expression was observed at the transcriptional level for many flagellar-associated genes in the QS mutants compared to wildtype.
We observed a clear change in the active microbial community composition at the sulphate-methane interface and the methane-rich groundwater in Olkiluoto.
After the contact with Pt(IV) at pH 3.5, the protons came into existence in the system; the hydrolysate exhibited a spectrum with clear changes at 1 593 and 1 404 cm-1 due to the complexation of the carboxylate anion group by coordination with Pt(IV) [ 15].
