If several components of spin trap adducts such as DMPO-OH, DMPO-O2 exist in solution, how can i identify their contribution to the spectra? Are there any efficient programs?
EasySpin for example. You can try to simulate exp spectrum as spectrum of mixture of multiple spin systems and get their weights after spectrum fitting.
Mr. Miller,
In your case the properties of the mixture has additive character.
Bojidarka,
Yep, that's indeed important note, resulting spectrum in most cases will be just a sum of spectra of individual compounds ({Sys1, Sys2...} in EasySpin notation), no interaction should be included at start (first it's quite unlikely, second it would make computation far heavier).
Another valuable free simulation softare is Winsim. It is easy to use and support spin trap.
http://www.niehs.nih.gov/research/resources/software/tox-pharm/tools/index.cfm
You can also search for spin adducts parameters on spin trap database
http://tools.niehs.nih.gov/stdb/index.cfm/spintrap/epr_home
It's a tricky question, but I'll be honest...
First, you go to: http://tools.niehs.nih.gov/stdb/index.cfm
You see how wide those expected signals are
Then you start, peak by peak, from the widest one...
More about DMPO and EPR - on my blogpost:
https://steemit.com/steemstem/@alexs1320/answering-9-rg-quest
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