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Antiestrogenic Conjugates as New Breast Cancer Chemoprevention Agents
Online Presentations | 08 Mar 2007 | Contributor(s):: Ross Weatherman
Tamoxifen is the first drug specifically approved for the prevention of cancer and arguably the most successful anticancer drug of all time. Although millions of breast cancer patients have benefited from tamoxifen therapy, there are side effects that hinder the broad use of tamoxifen as a...
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Purdue OSC Cancer Prevention Seminar Series
Series | 01 Mar 2007
The goal of the OSC Cancer Prevention Seminar Series is to provide an environment that facilitates increased collaboration of these scholarly efforts to promote further interdisciplinary interactions and research that lead to development of innovative methods for smoking cessation and program...
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Introduction to X-ray Photoelectron Spectroscopy and XPS Application for Biologically Related Objects
Online Presentations | 14 Feb 2007 | Contributor(s):: Dmitry Zemlyanov
X-ray Photoelectron Spectroscopy (XPS), which is known as Electron Spectroscopy for Chemical Analysis (ESCA), is a powerful research tool for the study of the surface of solids. The technique becomes widely used for studies of the properties of atoms, molecules, solids, and surfaces. The main...
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Simple Harmonic Oscillator
Online Presentations | 15 Feb 2007 | Contributor(s):: Heng Li
One of the most important model systems in quantum mechanics because a wide variaty of physical situations can be reduced to it either exactly or approximately. In particular, a system near an equilibrium configuration can often be described in terms of one or more harmonic oscillators....
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Particle in a Box
Online Presentations | 15 Feb 2007 | Contributor(s):: Heng Li
The particle in a box (or the infinite potential well) is a simple idealized system that is completely solved within quantun mechanics. The infinite potential well is a finite sized region in space (the box) with an infinite potential at its boundaries ( the wells). A particle experiences no...
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Birck Nanotechnology Seminar Series
Series | 21 Feb 2007
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Dendrimer-Templated Catalyst for Controlled Growth of Single-Wall Carbon Nanotubes by Plasma-Enhanced CVD
Online Presentations | 20 Feb 2007 | Contributor(s):: Placidus Amama
Carbon nanotubes (CNTs) are an important class of materials with several technological applications because they possess unparalleled properties in terms of ballistic electrical conductivity, thermal conductivity, tensile strength, and sensitivity to chemical and biological agents. To exploit...
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SPMW Interplay between theory and experiment in AFM nanomechanical studies of polymers
Online Presentations | 30 Nov 2006 | Contributor(s):: Sergei Magonov, Sergey Belikov
High-resolution imaging of surfaces and compositional mapping of heterogeneous materials are the main functions of atomic force microscopy (AFM) in studies of polymer materials. Compositional mapping is mostly based on differences of mechanical properties of the sample components yet quantitative...
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Perspectives on NanoScience and Engineering Education (NSEE)
Online Presentations | 09 Feb 2007 | Contributor(s):: Robert P. H. Chang
Building capacity in NSEE is the driving mission for the National Center for Learning and Teaching in Nanoscale Science and Engineering Education (NCLT). Robert Chang, the Director of NCLT, will discuss the urgency of improving science education in this country and present how NCLT is granted the...
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SPMW Nanotube, nanoneedle and nanomeniscus: mechanical and wetting properties of modified AFM tip apex
Online Presentations | 12 Dec 2006 | Contributor(s):: J. P. Aimé
Among AFM microscopes, Dynamic force microscopes (DFM) are very sensitive to variation of minute forces involved in the interaction between the tip and the surface. However, despite numerous efforts, imaging and probing mechanical properties of soft materials in air and water at the nm scale are...
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SPMW Nanomechanics: from nanotechnology to biology
Online Presentations | 12 Dec 2006 | Contributor(s):: Elisa Riedo
The development of new materials with size of few nanometers has opened a new field of scientific and technological research. The goal is to develop faster and better communication systems and transports, as well as smarter and smaller nanodevices for biomedical applications. To reach these...
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SPMW Nonlinear dynamics in AFM - chaos and parametric resonance
Online Presentations | 05 Jan 2007 | Contributor(s):: Arvind Raman
The field of nonlinear dynamics deals with mathematical techniques to study the nonlinear equations that serve as models of physical systems. The benefits of using nonlinear dynamics concepts to interpret and predict probe oscillations in dynamic AFM [1] are becoming increasingly clear. Nonlinear...
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Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces
Online Presentations | 01 Feb 2007 | Contributor(s):: Baratunde A. Cola
Carbon nanotubes (CNTs) have received much attention in recent years for their extraordinary properties that through careful engineering may be leverage for the development of numerous advantageous applications. However, to date, only few CNT based applications exist in the market place. So when...
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Surprises on the nanoscale: Plasmonic waves that travel backward and spin birefringence without magnetic fields
Online Presentations | 08 Jan 2007 | Contributor(s):: Daniel Neuhauser
As nanonphotonics and nanoelectronics are pushed down towards the molecular scale, interesting effects emerge. We discuss how birefringence (different propagation of two polarizations) is manifested and could be useful in the future for two systems: coherent plasmonic transport of near-field...
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Nanoparticles in Biology and Materials: Engineering the Interface through Synthesis
Online Presentations | 29 Jan 2007 | Contributor(s):: Vincent Rotello
Monolayer-protected nanoparticles provide versatile tools for nanotechnology. In our research, we use these nanoparticles as building blocks for the creation of functional magnetic and electronic nanocomposite materials. Simultaneously, we are using these particles as scaffolds for biomolecular...
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A Vision for the Digital Data Universe
Online Presentations | 18 Jan 2007 | Contributor(s):: Christopher L. Greer
Enabling the nation's future through discovery, learning and innovation.
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SPMW Mechanisms of atomic friction studied by friction force microscopy
Online Presentations | 12 Dec 2006 | Contributor(s):: Ernst Meyer
Force microscopy is a versatile instrument to investigate physical phenomena on surfaces. The first emphasis is on the study of friction on the nanometer-scale, also called nanotribology. It will be shown that atomic-scale stick-slip is relatively well understood, where the dependence on velocity...
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On Modeling Metabolic Systems
Online Presentations | 04 Jan 2007 | Contributor(s):: Doraiswami Ramkrishna
Modeling metabolism has been generally based on the numerouscellular reactions to be in steady state with respect to theexternal fluxes on the cell boundary. The essence of this"steady state" approach is the identification of all thereaction rates (fluxes), both external and internal to the...
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Plasmon-resonant Nanorods as Multifunctional Imaging Agents
Online Presentations | 28 Dec 2006 | Contributor(s):: Alexander Wei
Gold nanorods have several outstanding characteristics as optical contrastagents for biomedical imaging. Their strong optical absorption atnear-infrared (NIR) frequencies can be used to generate contrast for opticalcoherence tomography (OCT) imaging, and is well matched for detectionmodalities...
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McCoy Lecture: Nanodevices and Maxwell's Demon
Online Presentations | 04 Oct 2006 | Contributor(s):: Supriyo Datta
This is a video taped live lecture covering roughly the same material as lecture 1 of "Concepts of Quantum Transport". Video only.