Sentences with phrase «mere micrograms»

Despite the small amounts — mere micrograms — of these pollutants in water, they still have carcinogenic effects on humans and aquatic creatures.

This process produced mere micrograms of comet, but it was enough to test Rosetta's instruments.

Not exact matches

Even small quantities of aflatoxin can ruin a large harvest, and the US Food and Drug Administration (FDA) has strict guidelines in place that limit the amount allowed in food to a mere 20 micrograms per kilogram, or 20 parts per billion (ppb).

A second group of 377 patients suffering from Hashimoto's thyroiditis was treated with a non-suppressive hormone medication, a suppressive hormone administration, a combination of a non-suppressive hormone therapy with low dose iodide (50 - 150 micrograms / day), mere iodide in doses of 200 micrograms / day, or received no therapy.