[ExI] Fungi eat plastic and can survive without oxygen; may clean ocean and landfills
rex
rex at nosyntax.net
Fri May 8 16:30:43 UTC 2015
John Grigg <possiblepaths2050 at gmail.com> [2015-05-08 00:25]:
> "A group of students from Yale's Department of Molecular Physics and
> Biochemistry traveled to Ecuador and found a fungus that wants to eat
> polyurethane. This new type of fungus can digest polyurethane in two
> weeks, rather than the 1,000 years it would take just sitting around."
>
> "It's the first fungus ever found to survive on only polyurethane, no
> oxygen needed, which is why they want to use it at the bottom of
> landfills."
>
> [1]https://www.minds.com/blog/view/428263953315926016/fungi-eat-plastic-and-can-survive-without-oxygen-may-clean-ocean-and-landfills
The usual reaction to make polyurethane is exothermic, so this fungus
cannot gain energy by reversing the polymerization. It must decompose
it into less energetic chemicals.
http://www1.chem.leeds.ac.uk/delights/texts/expt_31.html
OH–R–OH + OCN–R’–NCO ==> [–CO–NH–R’-NH–CO–O–R–O–]n
Polyol + Polyisocyanate ==> Polyurethane
-rex
--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." --Brian W. Kernighan
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