Nano Science and Technology Institute
Nanotech 2007 Vol. 1
Nanotech 2007 Vol. 1
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1
 
Chapter 4: Lithography and Patterning
 

Nanofabrication of Biomaterial, CNT and Organic Polymer Patterned Thinfilms using Piezoelectric Ink Jet Printing

Authors:J.L. Sumerel, L.F. Deravi and D.W. Wright
Affilation:Dimatix, Inc., US
Pages:271 - 274
Keywords:nanofabrication, thin films, polymers, biomaterials, DNA, dendrimer, AFM
Abstract:In contrast to thermal ink jetting that uses heat to generate fluid drop ejection, MEMS-constructed piezoelectric ink jet printheads use a thin PZT slab bonded to a silicon diaphragm to generate acoustic energy that drives drop formation without heat. This novel, non-contact, and nondestructive printing process immobilizes a variety of functional materials while retaining activity. By formulating an ink and determining jetting parameters, drop on demand immobilization of a variety of functional materials can be established for one-sided deposition. We have formulated a variety of inks for the printing of DNA, peptides, proteins, dendrimers and carbon nanotubes using both direct inking and scaffold carriers for the immobilization of nucleic acids and antibodies. After the printing is completed, these molecular recognition elements remain functional and bind their complimentary oligonucleotides or their cognizant protein, respectively, from complex samples indicating that their biological activity is retained during processing. Moreover, after dendrimeric templating activity is retained after printing thereby allowing the production of patterned silicon dioxide thin films measuring less than 170 nm. We have demonstrated the strength and utility of this technique to print sensor components, and further directions will be to integrate these additive processes and couple them to environmental detection.
Nanofabrication of Biomaterial, CNT and Organic Polymer Patterned Thinfilms using Piezoelectric Ink Jet PrintingView PDF of paper
ISBN:1-4200-6182-8
Pages:726
Hardcopy:$139.95
 
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