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 state" …

https://nanohub.org/resources/2165

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 generate …

https://nanohub.org/resources/2127

DNA Nanoarchitectures

25 Dec 2006 | Notes | Contributor(s): Rakesh Voggu

DNA has been well known for over 50 years as the predominant chemical for duplication and storage of genetic information in biology. Now DNA has also been recognized as a useful building material in …

https://nanohub.org/resources/2125

DNA Nanoarchitectures

24 Dec 2006 | Notes | Contributor(s): Rakesh Voggu

DNA has been well known for over 50 years as the predominant chemical for duplication and storage of genetic information in biology. Now DNA has also been recognized as a useful building material in …

https://nanohub.org/resources/2123

2005 Oncological Sciences Center Symposium Agenda

07 Dec 2006 | Downloads

https://nanohub.org/resources/785

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 …

https://nanohub.org/resources/2048

NCN at Northwestern: Student Leadership Council Seminars

05 Nov 2006 | Series | Contributor(s): NCN SLC@Northwestern

This series is organized by NCN students at Northwestern University. Speakers are invited by the Student Leadership Council to visit Northwestern to interact with students and faculty, and to …

https://nanohub.org/resources/1965

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

03 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 …

https://nanohub.org/resources/1959

Molecular Workbench: An Interface to the Molecular World

25 Jun 2006 | Downloads | Contributor(s): Charles Xie

The Molecular Workbench software is a free, open-source modeling and authoring program specifically designed for use in science education. Powered by a set of real-time molecular simulation engines …

https://nanohub.org/resources/1592

Nanotechnology in Biology

29 Aug 2006 | Teaching Materials | Contributor(s): Elizabeth Gardner

This is the first of two exercises developed by El Paso High School teachers as part of a two week workshop on nanotechnology education, part of the National Center for Learning and Teaching of …

https://nanohub.org/resources/1746

Information Theory and Cell/Nanoparticle Modeling

03 Mar 2005 | 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 …

https://nanohub.org/resources/182

Three-Dimensional Simulations of Field Effect Sensors for DNA Detection

03 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 of …

https://nanohub.org/resources/1677

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

03 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 …

https://nanohub.org/resources/1670

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

08 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, and …

https://nanohub.org/resources/1707

DNA Nanowires

06 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. This …

https://nanohub.org/resources/1679

Surface Analysis of Organic Monlayers Using FTIR and XPS

02 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 various …

https://nanohub.org/resources/1655

A MATLAB code for Hartree Fock calculation of H-H ground state bondlength and energy using STO-4G

08 Aug 2006 | Downloads | Contributor(s): Amritanshu Palaria

Hartree Fock (HF) theory is one of the basic theories underlying the current understanding of the electronic structure of materials. It is a simple non-relativistic treatment of many electron system …

https://nanohub.org/resources/1718

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 while …

https://nanohub.org/resources/1639

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 and …

https://nanohub.org/resources/1589

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 …

https://nanohub.org/resources/1239