Tags: nano/bio

Online Presentations (221-240 of 304)

  1. The Impact of Protein Flexibility on Ligand Binding to Proteins: A Computational Perspective

    22 Mar 2007 | Online Presentations | Contributor(s): Markus A. Lill

    Nowadays, computer-aided drug discovery (CADD) concepts are routinely used in academia and industry for identifying and optimizing lead structures. While CADD techniques have been widely used...

    http://nanohub.org/resources/2472

  2. Computer Simulation of Nanoparticles, Viruses, and Electrical Power-Generating Bacteria

    20 Mar 2007 | Online Presentations | Contributor(s): Peter J. Ortoleva

    Models of cells and nanometer-scale biosystems are presented that clarify their physico-chemical characteristics and allow for computer- aided design of therapeutic and nanotechnical devices....

    http://nanohub.org/resources/2485

  3. Antiestrogenic Conjugates as New Breast Cancer Chemoprevention Agents

    08 Mar 2007 | Online Presentations | 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...

    http://nanohub.org/resources/2366

  4. Introduction to X-ray Photoelectron Spectroscopy and XPS Application for Biologically Related Objects

    26 Feb 2007 | Online Presentations | 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...

    http://nanohub.org/resources/2335

  5. Dendrimer-Templated Catalyst for Controlled Growth of Single-Wall Carbon Nanotubes by Plasma-Enhanced CVD

    21 Feb 2007 | Online Presentations | 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,...

    http://nanohub.org/resources/2341

  6. Nanoparticles in Biology and Materials: Engineering the Interface through Synthesis

    29 Jan 2007 | Online Presentations | 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...

    http://nanohub.org/resources/2312

  7. On Modeling Metabolic Systems

    04 Jan 2007 | Online Presentations | Contributor(s): Doraiswami Ramkrishna

    Modeling metabolism has been generally based on the numerous cellular reactions to be in steady state with respect to the external fluxes on the cell boundary. The essence of this "steady...

    http://nanohub.org/resources/2165

  8. Plasmon-resonant Nanorods as Multifunctional Imaging Agents

    28 Dec 2006 | Online Presentations | Contributor(s): Alexander Wei

    Gold nanorods have several outstanding characteristics as optical contrast agents for biomedical imaging. Their strong optical absorption at near-infrared (NIR) frequencies can be used to...

    http://nanohub.org/resources/2127

  9. Geometry of Diffusion and the Performance Limits of Nanobiosensors

    05 Dec 2006 | Online Presentations | Contributor(s): Muhammad A. Alam, Pradeep R. Nair

    This presentation demonstrates how the classical diffusion-capture (D-C) model has improved sensor performance, since the D-C model is a "geometry of diffusion" rather than a "geometry of...

    http://nanohub.org/resources/2048

  10. Potassium Channels: Conduction, Selectivity, Blockage, Inactivation, and Gating

    05 Nov 2006 | Online Presentations | Contributor(s): Benoit Roux, NCN SLC@Northwestern

    The determination of the structure of the KcsA K+ channel from Streptomyces lividan has made it possible to investigate the function of a biological channel at the atomic level. Because of its...

    http://nanohub.org/resources/1959

  11. Information Theory and Cell/Nanoparticle Modeling

    28 Aug 2006 | Online Presentations | Contributor(s): Peter J. Ortoleva

    Physico-chemical models of cells and nanoparticles are being developed for pure and applied studies. Nanoparticles are simulated by a Poisson-Boltzmann equation (for determining the electric force...

    http://nanohub.org/resources/182

  12. Three-Dimensional Simulations of Field Effect Sensors for DNA Detection

    21 Aug 2006 | Online Presentations | Contributor(s): Eddie Howell, Gerhard Klimeck

    Here, the development of a DNA field-effect transistor (DNAFET) simulator is described. In DNAFETs the gate structure of a silicon on insulator (SOI) field-effect transistor is replaced by a layer...

    http://nanohub.org/resources/1677

  13. Chemical Modification of GaAs with TAT Peptide and Alkylthiol Self-Assembled Monolayers

    14 Aug 2006 | Online Presentations | Contributor(s): Hamsa Jaganathan

    The use of self-assembled monolayers (SAM) on semiconductors creates a basis for the design and creation of bioelectronics, such as biosensors. The interface between the surface and an organic...

    http://nanohub.org/resources/1670

  14. Technique for High Spatial Resolution, Focused Electrical Stimulation for Electrically Excitable Tissue

    14 Aug 2006 | Online Presentations | Contributor(s): Matteo Mannino

    Cochlear implant devices have made use of electrode pulses as a method of nerve fiber stimulation since their early conception. Electrode stimulation is limiting in both quality and consistency,...

    http://nanohub.org/resources/1707

  15. DNA Nanowires

    14 Aug 2006 | Online Presentations | Contributor(s): Margarita Shalaev

    DNA is a relatively inexpensive and ubiquitous material that can be used as a scaffold for constructing nanowires. Our research focuses on the manufacturing of DNA-templated, magnetic nanowires....

    http://nanohub.org/resources/1679

  16. Surface Analysis of Organic Monlayers Using FTIR and XPS

    14 Aug 2006 | Online Presentations | Contributor(s): Jamie Nipple, Michael Toole, David Janes

    Current research concerning self-assembled monolayers (SAM) focuses on the fabrication of microelectronics utilizing a semiconductor/molecule/metal junction. This study seeks to investigate...

    http://nanohub.org/resources/1655

  17. Nanotubes and Nanowires: One-dimensional Materials

    17 Jul 2006 | Online Presentations | Contributor(s): Timothy D. Sands

    What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions...

    http://nanohub.org/resources/1639

  18. Vector Free Energy Calculation with Adaptive Biasing Force

    18 Jun 2006 | Online Presentations | Contributor(s): Eric F Darve

    This presentation discusses recent numerical methods to calculate the free energy as a function of a reaction coordinate for bio-molecules. Free energy is often called potential of mean force...

    http://nanohub.org/resources/1589

  19. First Principles-Based Modeling of materials: Towards Computational Materials Design

    20 Apr 2006 | Online Presentations | Contributor(s): Alejandro Strachan

    Molecular dynamics (MD) simulations with accurate, first principles-based interatomic potentials is a powerful tool to uncover and characterize the molecular-level mechanisms that govern the...

    http://nanohub.org/resources/1239

  20. The Rush to Market, Lack of Knowledge, and Public Trust

    11 Apr 2006 | Online Presentations | Contributor(s): Vivian Weil

    What should rivet our attention now is the rush to get nano products into the market long before the nanoscale phenomena these products exploit are understood. Nanoscale materials often...

    http://nanohub.org/resources/1225