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Stable isotope

stable isotope

A nonradioactive nuclide; an isotope that shows no tendency to undergo radioactive decomposition.

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Re: Molecular gene (genome) concept scientifically untenable

... is intact?” Since you’re a chemist, you surely know about the kinetic isotope effect. Nuclear decay will change the properties of a molecule, without ... as “nuclides”. For example P-31 with 15 protons and 16 neutrons is the stable phosphorus nuclide, which is not radioactive. When the neutron ...

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by PAWahid
Sat May 12, 2012 2:29 am
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 38973

AIDS – a tritium disease?

... to a given organism can be very heavy. Unlike the heavy radioactive isotopes, it is not found easily, and it penetrates without a problem and ... epidemic” in the RSA also has reasonable explanation. Tritium is not a stable isotope and it turns into helium. Since the bombarding in Hiroshima ...

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by enarees
Tue Feb 22, 2011 6:08 am
Forum: Human Biology
Topic: AIDS – a tritium disease?
Replies: 23
Views: 15820

Photosynthesis Trivia

... although a 4-carbon pathway does exist in some species. 12. The most stable form of chemical energy converted from sunlight energy is found in ... own ribosomes. (E.) They can function outside a cell. 21. By using the isotope oxygen-18 as a tracer element, it has been possible to show that ...

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by vstexas09
Mon Oct 13, 2008 12:46 am
Forum: Cell Biology
Topic: Photosynthesis Trivia
Replies: 5
Views: 33034

The Fiber Disease

... of Southern Denmark, Odense M 5230, Denmark. Protein methylation is a stable post-translational modification (PTM) with important biological functions. ... be applied to complex mixtures. We have previously described stable isotope labeling by amino acids in cell culture (SILAC) for quantitative ...

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by Nadas Moksha
Mon Oct 30, 2006 12:34 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6246242

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