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	<p>Fabrication of Logic Circuits Based on DNA Origami</p>






	
					
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	<p><strong>Authors: </strong>Zhang, Xuncai;&nbsp;Luo, Dongjun;&nbsp;Niu, Ying;&nbsp;Wang, Yanfeng;&nbsp;Cui, Guangzhao</p>





	<p><strong>Source:</strong> <a href="/content/asp/jctn;jsessionid=3katp7ms8ngtr.victoria">Journal of Computational and Theoretical Nanoscience</a>, 














Volume 9,&nbsp;Number 10, October 2012
, pp. 1680-1685(6)</p><p><strong>Publisher: </strong><a href="/content/asp;jsessionid=3katp7ms8ngtr.victoria" title="publisher">American Scientific Publishers</a></p>
	





 
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	Carbon nanotubes (CNTs) have exceptional electrical properties that suggest their use in nanoelectronics and other fields. CNTs have been used to build a variety of electronic devices and circuits, such as carbon nanotube field-effect transistors, logic gates, and so on. The single-walled
 carbon nanotubes (SWCNTs) have fabricated electronic devices by many methods in the past; however, the arrangement of individual SWCNT into complex nanoscale geometries is still an open challenge. Herein, we propose a method of assemble the SWCNTs on DNA origami template to build the circuits.
 The DNA origami technique, which is based on the folding of long single-stranded DNA (so-called scaffold strand) with the help of hundreds of short oligonucleotides (so-called staple strands), opened new routes to relatively simple and fast fabrication of a predetermined shape. In the paper,
 we use this method to construct logic circuits&#8212;AND gate and OR gate.








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