When is a radical not a radical?
It is not commonly realised that symmetrical Fe(III) complexes are expected to have EPR spectra dominated by a symmetrical narrow line close to the free-spin g-value. The aim of this note is to stress that such features can be mistakenly identified as the spectra for stable organic radicals. This situation is a particular problem in studies of animal or plant tissue samples.
Naughton
D P
DP
Inflammation Research Group, London Hospital Medical College, UK.
Symons
M C
MC
D000818:Animals; D004578:Electron Spin Resonance Spectroscopy / Q000379:methods*; D005609:Free Radicals / Q000737:chemistry*; D006801:Humans; D007501:Iron / Q000737:chemistry*; D008670:Metals / Q000737:chemistry
D005609:Free Radicals; D008670:Metals; D007501:Iron