Sentence examples for observed not before from inspiring English sources

Overexpression of Gasp1 led to an increase in muscle mass observed not before day 15 of postnatal life.

In the treated group the highest value of FVD was observed not before day 9, and stayed nearly at the same level afterwards.

"I remembered that this was how we often defined the time in which we lived," he observes, "not 'before the war,' or 'after the war,' like everyone else in England, but 'before the flood,'afterer the flood.' It made the island biblical".

Despite being predicted as long ago as 1887, history drag had not before been observed.

The structure of an in trans DNA configuration has not before been observed, and it establishes another modus operandi for DNA polymerases.

"The Brazilian strain of Zika virus harms health in ways that science has not observed before," the experts say in an open letter addressed to the World Health Organization that was published online on Friday.

Most of these compounds have not been observed before, and with the exception of the non-oxygen containing hydrocarbons, most were not found on females.

So along the way, the nuclei produce element 113, which also had not been observed before, the team reports in the 2 February issue of Physical Review C. The nuclei last only a few hundredths of a second and have no obvious practical use.

These have not been observed before, and could be new defense-responsive regulatory elements.

This has not been observed before; other studies [ 11, 16, 19].

In case these have not been observed before, what did the authors do differently from previous studies?