Sentences with phrase «few nanograms»

If it was all about the weight - saving, the car companies could run to a few nanograms of paint on top to hide the wretched stuff from view.

Sublethal effects related to insect behavior have been described in other studies; even a few nanograms of active ingredient disturbed the sense of taste, olfactory learning and motor activity of the bees.»

Phosphane is toxic to human lymphocytes at levels of a few nanograms per kilogram.

Curtiss said the Advanced Photon Source allowed the scientists to observe ultralow loadings of their small clusters, down to a few nanograms, which was a critical piece of this investigation.

But Prigg says that pyrethroids are so toxic that «if dipped sheep drip while grazing near streams, that can provide the few nanograms of pesticide per litre of water required to kill freshwater shrimps».

Not exact matches

In laboratory tests, just a few tens of nanograms of these compounds per litre can skew sex ratios and decrease fertility in fish.