Half life is the time required for half the amount of a substance (such as a drug, radioactive tracer, or pesticide) in or introduced into a living system or ecosystem to be eliminated or disintegrated by natural processes.半衰期是指生命系统和生态系统中存在或注入的一种物质,比如药物、放射性...
No abstract is available for this article.doi:10.1002/scin.2008.5591741115Davide CastelvecchiJohn Wiley & Sons, Ltd.Science News
The South Korean government has tried to dispel fears among its residents by vowing to ramp up efforts to monitor seawater, fisheries and natural salt farms for any rise in radioactive substances. Government officials reassured the public on Monday that...
It isn’t a problem to have large collections. About Uranium Right up front, I want to be crystal clear about this: while uranium is most definitely radioactive, uranium is not a radiotoxic substance. While easily detectable with meters, uranium doesn’t constitute an external radiation hazard...
[0028] More specifically, in the present invention are described compositions that comprise a combination of three Trichoderma species, naturally or genetically modified by radioactive methods or other form, species original stumps, and/or Trichoderma subspecies, of any origin, natural or from laborator...
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Radiolabelling of carbon black can be achieved by using radioactive precursor substances for the synthesis or by direct irradiation of carbon black. In this study, the method of direct irradiation described was applied [7,8,9]. These studies have shown that carbon black can be intrinsically ...
So since that shit is no longer operational, someone has the duty to erase that mother fucker off the face of the Earth, and all it’s radioactive essence along with it. That somebody is the federal government, via the U.S. Department of Energy. The Hanford Site Now let’s talk ...
A nucleotide probe may be labelled with a detectable marker such as a radioactive label which provides for an adequate signal and has sufficient half life such as 32P, 3H, 14C or the like. Other detectable markers which may be used include antigens that are recognized by a specific labelled...
A functional biologically active particle conjugate useful for diagnosis and treating cancer as a bioportal comprises a nanoscale particle having associated therewith an intracellular targeting ligand comprising a PNA, or another nuclease resistant oligonucleotide analog such as MOE-mRNA (2′-methoxyethyl mR...