The accurate placement of extremely small volumes of fluids can enable both multistep in situ synthesis on a substrate surface and deposition of an intact molecule within {HEAD ~ an extraordinarily small zone} without {TAIL ~ the need} to mask, pre activate surface sites, or otherwise modify a predetermined region of a surface 
without
The accurate placement of extremely small volumes of fluids can enable both multistep in situ synthesis on a substrate surface and deposition of an intact molecule within { HEAD ~ an extraordinarily small zone } without { TAIL ~ the need } to mask , pre activate surface sites , or otherwise modify a predetermined region of a surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH