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