Volume 32, Issue 1 pp. 24-29
Research Article
Free to Read

Multi-ink pattern generation by dip-pen nanolithography®

Jae-Won Jang

Corresponding Author

Jae-Won Jang

NanoInk Inc., Skokie, Illinois

NanoInk Inc., 8025 Lamon Avenue, Skokie, IL 60077Search for more papers by this author
Alexander Smetana

Alexander Smetana

NanoInk Inc., Skokie, Illinois

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Paul Stiles

Paul Stiles

NanoInk Inc., Skokie, Illinois

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First published: 12 January 2010
Citations: 22

Abstract

Multiplexed patterns of hydrogels and phospholipids with fluorescent dyes are accomplished by dip-pen nanolithography® (DPN®). For example, four different dye-labeled hydrogel dot arrays are DPN® patterned within 50×50 µm2 area, and two different dye-doped phospholipids dots and letters with less than 1 µm 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. SCANNING 32: 24–29, 2010. © 2010 Wiley Periodicals, Inc.

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