At last, a post an EPR-er can be useful on
Some good ones are the nitroxides, widely available
trityl radicals based upon triarylmethyl radicals are also very useful & some have spectacularly naroow (for EPR!) linewidths. A good paper on their use in NMR was:
Increase in signal-to-noise ratio of > 10,000 times in liquid-state NMR
Jan H. Ardenkjær-Larsen *, Björn Fridlund, Andreas Gram, Georg Hansson, Lennart Hansson, Mathilde H. Lerche, Rolf Servin, Mikkel Thaning and Klaes Golman
PNAS 2003
Graham Timmins
Assistant Professor
College of Pharmacy,
University of New Mexico Health Sciences Center
Albuquerque, NM 87131 USA
Phone 505 272 4103 Fax 272 6749
-non sibi sed omnibus-
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