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