The present invention overcomes a significant disadvantage of {HEAD ~ the prior art}, since prior methods could not constrain the formation or deposition of {TAIL ~ biomolecules} to a small region, due to the inability to localize the synthesis process or to restrict the migration of materials to prevent adjacent “spots” from diffusing into each other 
The present invention overcomes a significant disadvantage of { HEAD ~ the prior art } , since prior methods could not constrain the formation or deposition of { TAIL ~ biomolecules } to a small region , due to the inability to localize the synthesis process or to restrict the migration of materials to prevent adjacent “ spots ” from diffusing into each other
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