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Dip Pen Nanolithography® (DPN®) and the Deposition of Multiple Materials in Nanopatterning

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4 Author(s)
Tom Levesque ; NanoFabrication Syst., Nanolnk Inc., Skokie, IL, USA ; Jae-Won Jang ; Alexander Smetana ; Paul Stiles

Multiplexed patterns of hydrogels and phospholipids with fluorescent dyes are accomplished by dip-pen nanolithography® (DPN®). For example, four different dyes-labeled hydrogel dot arrays are DPN® patterned within 50 × 50 ¿m2 area, and two different dyes-doped phospholipids dots and letters with less than 1 ¿m line-width are also DPN® patterned. We demonstrate that multi-ink patterns with precise alignment are able to be printed by DPN® within a micron-scale. Moreover, this multi-ink DPN® patterning methodology can be extended to delicate bio-materials printing in a subcellular scale with accurate positioning control.

Published in:

Quantum, Nano and Micro Technologies, 2010. ICQNM '10. Fourth International Conference on

Date of Conference:

10-16 Feb. 2010