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Volume 2 Issue 1 - January 2009 |
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The NNN Newsletter
Integrated Systems Nanomanufacturing: Challenges for Next Generation Nano-Enabled Products
The emerging capabilities of nanotechnology for systematic control and manufacturing across multiple length scales are evolving into the next generation of nanotechnology products. These products can be categorized as passive nanostructures, active nanostructures, multi-dimensional nanosystems, heterogeneous molecular nanosystems, and multiscale, integrated nanosystems. An improved understanding of interactive forces among nanostructures and materials, along with their collective behavior within integrated systems, enables the development of new methods to control and manipulate nanocomponents and hierarchical structures. This improved understanding will become a central research topic for discoveries and innovations toward new commercial applications, as well as new paradigms in the manufacturing sciences that address the necessary economy of scale requirements for these new products. Integrated systems nanomanufacturing must combine the knowledge that has evolved to achieve this controlled manipulation of materials and structures with emerging capabilities and methodologies to realize next generation systems. Regards,
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The National Nanomanufacturing Network Newsletter Subscribe / Unsubscribe from this list. Our mailing address is: The National Nanomanufacturing Network 322 Lederle Graduate Research Center 710 N. Pleasant Street University of Massachusetts Amherst, MA 01003 Our email address is: nnn@nanomanufacturing.org Our phone number is: (413) 577-0570 Copyright (C) 2008 The National Nanomanufacturing Network All rights reserved. Supported by the National Science Foundation under Grant No. DMI-0531171.  |
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Graphene--the two-dimensional sheet form of carbon--exhibits remarkable properties, including an electron mobility in excess of 200,000 cm2V-1s-1, suggesting promising applications in electronics, energy, sensors, composites and more. However, most previous work has produced graphene from bulk highly-oriented pyrolitic graphite by micromechanical cleavage or other “delamination” methods, quite typically producing small quantities. The ability to produce large quantities of graphene from nongraphitic precursors with a scalable, low-cost approach is a significant step towards real-world applications of graphene. 
Drs. Michael Ellenbecker and Candace Tsai of the University of Massachusetts Lowell have authored a working document, Interim Best Practices for Working with Nanoparticles, for use at the NSF Center for High-rate Nanomanufacturing (CHN). This document, available for download on InterNano, will be discussed at the upcoming 2nd Annual Massachusetts Nanotechnology Workshop in Boston, MA, on January 29. 
Magnetic composites in the form of nanoparticles and nanofibers have attracted significant attention recently for potential applications including electrochemical biosensing, bioseparation, the detection of DNA, RNA, cells and proteins, and controlled drug and gene delivery. Santala, et.al., report a versatile method for preparing magnetic and photocatalytic nanofibers by combining electrospinning and atomic layer deposition (ALD) to control both the materials composition of the nanofiber and the specific structure and dimensions of the resulting fibers. 
