Sentence examples for that has not been observed from inspiring English sources

This week saw an apparition that has not been observed for at least eight years in Washington D.C.: bipartisanship.

YpgQ from Bacillus subtilis (bsYpgQ) displays a helical structure and assembles into a unique dimeric architecture that has not been observed in other HD domain-containing proteins.

Salt addition to the completely urea unfolded HCA II also led to an aggregation prone unfolded state, that has not been observed before for carbonic anhydrase.

Structure-based comparative analysis suggests that cjPseH utilizes a unique catalytic mechanism of acetylation that has not been observed in other glycosylation-associated acetyltransferases.

Hysterical reactions appear to be far from uncommon in brain-damaged patients: conversely, there is little or nothing in the pathology of hysterical amnesia that has not been observed in the organic syndrome.

However, this two-mechanism envelope yields a steep peak that has not been observed in laboratory studies (Shimamoto1986).

Their bodies harbor a bacterium that helps them turn plant sap into usable nutrients, and this bacterium itself harbors an even smaller bacterium, creating a three-tiered symbiotic relationship that hasn't been observed in any other animal.

So, tired of finding new tableware every time they wanted termites for dinner, these critically endangered Brazilian monkeys figured out a clever solution that hasn't been observed before in any species.

In addition, we report an important effect of carbon monoxide that had not been observed previously.

We then added runs to repeatedly identify 50 birds that had not been observed in Jasper Ridge before.

Our F1-hybrid experiments have uncovered several additional findings that have not been observed in homozygous inbred strains so far.