{HEAD ~ Ion detection} can have nearly 100% collection efficiency and is independent of {TAIL ~ fluorescence transition strength} inherent in the LIF detection method 
is independent of
{ HEAD ~ Ion detection } can have nearly 100 % collection efficiency and is independent of { TAIL ~ fluorescence transition strength } inherent in the LIF detection method
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH