December 07, 2022, 10:05:10 PM
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Topic: Natural ligand for transition metals?  (Read 229 times)

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Offline Cantacoxinha

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Natural ligand for transition metals?
« on: November 14, 2022, 06:52:35 PM »
I'm looking for an organic compound or a class of compounds naturally present in bodies of water (lakes, seas) which might be able to bind transition metals. So far I was able to find only humic acids as an example. Any suggestion on some other compound? Or a good book or a review on types of organic compounds of natural origin in aquatic ecosystems?

Offline wildfyr

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Re: Natural ligand for transition metals?
« Reply #1 on: November 17, 2022, 10:31:46 PM »
The number of compounds is pretty much too numerous to count... but an easy one would be all the various porphyrins

Offline Babcock_Hall

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Re: Natural ligand for transition metals?
« Reply #2 on: November 18, 2022, 05:38:03 PM »
Citrate is a possibility, although it would not surprise me to learn that it is labile to microbial uptake.  Siderophores are likely to be present, as well.

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