An assay device for detection and determination of an analyte in {HEAD ~ a test sample} uses a barrier containing an aperture to control the application of reagents to the device for greater reproducibility of {TAIL ~ results} 
An assay device for detection and determination of an analyte in { HEAD ~ a test sample } uses a barrier containing an aperture to control the application of reagents to the device for greater reproducibility of { TAIL ~ results }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH TAIL TAIL TAIL TAIL TAIL