A flow cell which can be used in {TAIL ~ the synthesis} of DNA probes on {HEAD ~ an active surface} of the substrate includes a base having a central window opening and a registration surface against which the substrate may be mounted 
A flow cell which can be used in { TAIL ~ the synthesis } of DNA probes on { HEAD ~ an active surface } of the substrate includes a base having a central window opening and a registration surface against which the substrate may be mounted
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH