{HEAD ~ These illumination sources} are optionally integrated into laser scanners, fluorescence microplate readers, standard or minifluorometers, or {TAIL ~ chromatographic detectors} 
are optionally integrated into
{ HEAD ~ These illumination sources } are optionally integrated into laser scanners , fluorescence microplate readers , standard or minifluorometers , or { TAIL ~ chromatographic detectors }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL