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