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Faulty folding of protein in environment may cause disease

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Kathy

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Thanks Reader, I read everything you post.

Earlier I posted info about a company in Quebec called Neurochem. They have developed products for arthritis - Fibrillex, Alzheimers - Alzhemed, and atherosclerosis - Athrochem. You can see more at their web page.

Did you happen to notice the advertisement on TV for a new toothbrush that uses "sonication" to break up plaque and tartar? The power to breakup molecular bonds, is often just that easy.

This was posted earlier today. I like doing research on the computer, it sure beats fencing with that damn barbed-wire.

Taken from "Prion replication and secondary nucleation" by Leslie E. Orgel, The Salk Institute of Biological Studies, PO. Box 85800, San Diego, CA 92186-5800, USA. Chemistry and Biology June 1996, 3:413-414.

Quote:
The phenomenon of secondary nucleation is illustrated in
a striking fashion by a supersaturated aqueous solution of
an inorganic salt, sodium chlorate [7]. If the solution is
allowed to stand undisturbed in a beaker it deposits a
mixture of enantiomorphic D and L crystals in roughly
equal number. However, if the solution is stirred vigorously
while it is crystallizing, all of the crystals formed in
any one experiment have the same handedness, and they
are equally likely to be all-L or all-D isomers. Vigorous stirring
presumably fragments the first primary nucleus
formed. The secondary nuclei produced in this way grow
and are, in turn, fragmented. Before a second primary
nucleus has time to form, the beaker fills with crystals
‘cloned’ from the first nucleus. Since D-nuclei and
L-nuclei ‘breed true’, one might have been inclined to call
the D and L enantiomorphs ‘strains’ if they were not
simple inorganic structures.
 

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