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