{HEAD ~ One important embodiment} of the invention uses {TAIL ~ a reagent less system} based on detecting cellular autofluorescence to detect small microbial microcolonies 
uses
{ HEAD ~ One important embodiment } of the invention uses { TAIL ~ a reagent less system } based on detecting cellular autofluorescence to detect small microbial microcolonies
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH