More specifically, a device deposits {HEAD ~ a preset volume} of {TAIL ~ chemicals} or bioreagents to test strips, immunoassay tests, test cells, detection assays .or 
of
More specifically , a device deposits { HEAD ~ a preset volume } of { TAIL ~ chemicals } or bioreagents to test strips , immunoassay tests , test cells , detection assays .or
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH