The resulting odd electron sample cation or {TAIL ~ anion} can then be analyzed by an appropriate technique, such as, for example, {HEAD ~ a mass spectrometer} 
The resulting odd electron sample cation or { TAIL ~ anion } can then be analyzed by an appropriate technique , such as , for example , { HEAD ~ a mass spectrometer }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD