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Bionanotechnology: a different perspective
Online Presentations | 30 Apr 2008 | Contributor(s):: Murali Sastry
The study of the synthesis, exotic properties, assembly/packaging and potential commercial application of nanomaterials is an extremely important topic of research that is expected to have far-reaching global impact. The focus of my talk will be on an emerging branch of nanotechnology that...
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Teaching Risk Studies
Online Presentations | 24 Apr 2008 | Contributor(s):: David M. Berube
Risk studies needs to be taught to all students. While not necessitating a stand-alone status in educational settings prior to post-secondary education, it might behoove to find creative ways to add components of risk studies to K-12 curriculum. This lecture will examine some of the challenges...
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Functionalized Nanomaterials at the Interface of Biology and Technology
Online Presentations | 24 Apr 2008 | Contributor(s):: Dean Ho, National Center for Learning & Teaching in Nanoscale Science & Engineering
Nanomaterials, such as block copolymeric membranes and nanodiamonds, can be engineered for a broad range of applications in energy and medicine. This presentation will highlight the relevance of these materials as foundations for device fabrication across the spectrum of biology and technology....
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nanoHUB.org: Future Cyberinfrastructure Serving a Community of 60,000 Today
Online Presentations | 23 Apr 2008 | Contributor(s):: George B. Adams III, Gerhard Klimeck, Mark Lundstrom, Michael McLennan
nanoHUB.org provides users with "fingertip access" to over 70 simulation tools for research and education. Users not only launch jobs that are executed on the state-of-the-art computational facilities of Open Science Grid and TeraGrid, but also interactively visualize and analyze the results—all...
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Thinking Small
Online Presentations | 17 Apr 2008 | Contributor(s):: Carl Batt, National Center for Learning & Teaching in Nanoscale Science & Engineering
There is an overwhelming need on the part of the research community to explain our efforts in nanoscale science and engineering to the general public. To do so effectively there is also a need to catalogue the public's understanding of nanotechnology especially with respect to their ability to...
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Transmission of images with subwavelength resolution to distances of several wavelengths in microwave, terahertz and infrared ranges
Online Presentations | 08 Apr 2008 | Contributor(s):: Pavel Belov
The resolution of conventional imaging systems is restricted by thediffraction limit: the details smaller than half-wavelength of radiationcannot be resolved. Using novel engineered media with extreme opticalanisotropy and their waveguiding properties it is possible to overcomethe classical limit...
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Using Mass Spectrometry to Understand Membrane Organization
Online Presentations | 28 Mar 2008 | Contributor(s):: Mary Kraft
Our ability to engineer tissues and biomimetic devices hinges upon an understanding of the structure-function relationship in healthy and diseased cells. Our laboratory utilizes materials characterization, quantitative engineering principles, cell biology and chemistry to elucidate the influence...
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Exploring CMOS-Nano Hybrid Technology in Three Dimensions
Online Presentations | 31 Mar 2008 | Contributor(s):: Wei Wang
CMOS-nano hybrid technology incorporate the advantages of both traditional CMOS and novel nanowire/nanotube structures, which will enhance future IC performances and create long-term breakthroughs. The CMOS-nano hybrid IC can be efficiently fabricated using the 3D integration approach. This talk...
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Selected Properties of Carbon Nanostructures: from Exotic Fullerenes to Nanotubes
Online Presentations | 30 Mar 2008 | Contributor(s):: Manfred M. Kappes
The talk presents results from ongoing projects in the field of carbonnanostructures: (i) Mass selected ion beam soft-landing has been usedto generate exotic fullerene materials comprising covalent linked,non-IPR cages. Apart from microscopic structure, we have studiedthermal and electronic...
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Modeling (Semi) Unstructured Proteins
Online Presentations | 26 Mar 2008 | Contributor(s):: Michael Colvin
The past century has seen tremendous progress in determining the biochemical and biophysical processes that constitute life. One exciting consequence of this understanding is the possibility of developing mathematical models of biological function that are accurate and even predictive. My...
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The Functional Protocell concept
Online Presentations | 23 Mar 2008 | Contributor(s):: Eric Jakobsson
We have invented and created the first prototype of the Functional Protocell.We define the “functional protocell" as a nanoporous solid surrounded by a membrane. The cavities in the solid can be filled with any desired electrolyte up to the limit of solubility. The surrounding membrane can...
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Plasmonic Metamaterials: Unusual Optics and Applications
Online Presentations | 28 Feb 2008 | Contributor(s):: Igor Smolyaninov
Surface plasmon-polaritons (or plasmons) are collective excitations of the conduction electrons and the electromagnetic field on the surface of such good metals as gold and silver. Near the frequency of surface plasmon resonance plasmons may perceive regular dielectrics as negative index...
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MCW07 Physics of Contact Induced Current Asymmetry in Transport Through Molecules
Online Presentations | 25 Feb 2008 | Contributor(s):: Bhaskaran Muralidharan, owen miller, Neeti Kapur, Avik Ghosh, Supriyo Datta
We first outline the qualitatively different physics involved in the charging-induced current asymmetries in molecular conductors operating in the strongly coupled (weakly interacting) self-consistent field (SCF) and the weakly coupled (strongly interacting) Coulomb Blockade (CB) regimes. The CB...
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What Promises do Nanotubes and Nanowires Hold for Future Nanoelectronics Applications?
Online Presentations | 18 Feb 2008 | Contributor(s):: Joerg Appenzeller
Various low-dimensional materials are currently explored for future electronics applications. The common ground for all these structures is that the surface related impact can no longer be ignored – the common approach applied to predict properties of bulk-type three-dimensional (3D) materials....
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The Potential of Nanostructured Materials to Address the Challenge of a Sustainable Energy Resource
Online Presentations | 14 Feb 2008 | Contributor(s):: Mildred S. Dresselhaus
An overview is presented on the grand challenges to the science community in the next few decades in meeting global energy needs for the 21st century. Major advances in our present capabilities will be needed for energy production and storage and for its conversion from one form to another. These...
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SPMW Scanning Probe Acceleration Microscopy: Towards Real Time Reconstruction of Tip-Sample Forces in Tapping Mode AFM
Online Presentations | 05 Jan 2007 | Contributor(s):: Tomasz Kowalewski
Tapping mode atomic force microscopy (TMAFM) in fluids has become an increasingly important technique, especially in studying biological samples under near physiological conditions. However, until recently the physics of tapping mode operation under fluids has not been well understood. The first...
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Combining New Experimental and Informatic Tools for Protein Investigation and Engineering
Online Presentations | 09 Jan 2008 | Contributor(s):: Alan Friedman
The stability and activity of proteins is dependent on both the correct functioning and placement of individual amino acids and their interactions. Great attention has been paid to critical individual residues (generally revealed by their location in the active site and their conservation among...
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SPMW Single molecule recognition atomic force microscopy
Online Presentations | 05 Jan 2007 | Contributor(s):: Peter Hinterdorfer
In molecular recognition force microscopy (MRFM), ligands are covalently attached to atomic force microscopy tips for the molecular recognition of their cognitive receptors on probe surfaces. A ligand-containing tip is approached towards the receptors on the probe surface, which possibly leads to...
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SPMW Scanning Impedance Microscopy: probing local electronic structure and transport anomalies
Online Presentations | 05 Jan 2007 | Contributor(s):: dawn bonnell
Multiple modulation SPM is a general term for a strategy that extracts information about a surface or nanostructure by combining various signals on samples and tips, using multiple frequencies to distinguish them and accessing multiple harmonics in detection. In addition to the usual conductance,...
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Nanomedicine for Treating Organ Failure
Online Presentations | 02 Jan 2008 | Contributor(s):: Thomas J. Webster
Nanotechnology has begun to revolutionize numerous science and engineering fields. The use of nanotechnology in medicine has been termed nanomedicine. This presentation will highlight recent advancements in the treating of organ failures (such as orthopedic, vascular, cartilage, central and...