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Displaying 33901 - 33925 of 74176

Cleaning of carbon nanotubes near the p-plasmon resonance

November 7, 2006
Author(s)
Katie Hurst, Darryl A. Keenan, John H. Lehman, Anne Dillon
The cleaning of bulk carbon single-walled nanotubes (SWNTs) by use of a 248 nm excimer laser is verified with imaging, and quantitative evaluation of morphology and composition. A 5% change in responsivity of a pyroelectric detector coated with SWNTs is

Perspectives on the quantum Zeno paradox

November 7, 2006
Author(s)
Wayne M. Itano
As of October 2006, there were approximately 535 citations to the seminal 1977 paper of Misra and Sudarshan which pointed out the quantum Zeno paradox (more often called the quantum Zeno effect). In simple terms, the quantum Zeno effect refers to a slowing

A Versatile Gradient Substrate for Biofunctionalization

November 5, 2006
Author(s)
Nathan D. Gallant, Matthew Becker, Eric J. Amis
NIST has developed numerous platforms for characterizing the physical properties of sample libraries with orthogonal gradients using combinatorial methodologies. Extension of these methods includes the characterization of surfaces possessing well-defined

Fabrication and Mechanical Characterization of Carbon Nanotube Based Nanoknives

November 5, 2006
Author(s)
Gurpreet Singh, Paul Rice, Richard J. McIntosh, Roop L. Mahajan
A prototype microtome knife for cutting 100 nm thick slices of frozen-hydrated biological samples has been constructed using multiwalled carbon nanotubes (MWCNT). A piezoelectric-based 3-D manipulator was used inside a Scanning Electron Microscope (SEM) to

Design of an On-Chip Micro-Scale Nanoassembly System

November 3, 2006
Author(s)
Jason J. Gorman, Yong Sik Kim, Andras Vladar, Nicholas Dagalakis
In this paper, the design and proposed operation of a MEMS-based nanoassembly system is presented. The nanoassembly system is comprised of four nanomanipulators that can work independently or cooperatively. The design of the nanomanipulators will be

VAST 2006 Contest - A tale of Alderwood

November 2, 2006
Author(s)
Georges Grinstein, Theresa O'Connell, Sharon J. Laskowski, Catherine Plaisant, Jean Scholtz, Mark Whiting
Visual analytics experts realize that one effective way to push the field forward and to develop metrics for measuring the performance of various visual analytics components is to hold an annual competition. The first Visual Analytics Science and

A Model of Deformable Rings for Interpretation of Wireless Capsule Endoscopic Videos

November 1, 2006
Author(s)
Piotr Szczypinski, Ram D. Sriram, Parupudi Sriram, Nageshwar Reddy
Wireless Capsule Endoscopy (WCE) provides a means to obtain a detailed video of the small intestine, not feasible with other endoscopic techniques. A single session with WCE may produce nearly 8 hours of video, which may take around one to two hours to

Access Control in BACnet

November 1, 2006
Author(s)
David Ritter, Bernhard Isler, Hans-Joachim Mundt, Stephen J. Treado
This article discusses the proposed additions to the BACnet standard to accommodate access control systems. The relationship of the BACnet model to typical building access control systems is described, and the new BACnet functionality outlined.
Displaying 33901 - 33925 of 74176
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