Sentences with phrase «by radioactive chemical»
Scientists have long used an imaging technique called positron emission tomography (PET) to visualize ß - amyloid deposits marked by radioactive chemical tags in the brains of people with AD.
http://www.sciencemag.org/ Not exact matches
Their fundamental discoveries may aid research into the management of nuclear waste, by helping scientists understand how chemicals can be used to separate the most radioactive elements.
Those nuclei beef up by gobbling neutrons in rapid succession and then quickly change their chemical identities through radioactive decay.
Take the burping tanks: huge sealed stainless vessels holding 4 million litres or more, into which chemical and radioactive wastes were dumped indiscriminately by the contractors who ran Hanford.
The increase in medical radiation exposure (from 0.53 mSv to 3.0 mSv) stemmed primarily from a rise in the use of computer tomography (CT) scans (which use x-rays to create cross sectional images of inside the body to spot tumors, clogged arteries, among other things), and nuclear imaging tests, which involve injecting radioactive chemicals into the bloodstream that can be picked up by special instruments and used to create images of the body's inner structures.
They detected nickel 60, the product of the radioactive decay of iron 60, in chemical compounds where, by rights iron should be found.»
Whether it's cancer, drinking water contamination, toxic or radioactive chemicals, earthquakes or regulations — the truth is miles from the misrepresentations, hysteria and fear - mongering propagated by Food & Water Watch and similar groups.