Tags: surfaces

All Categories (21-40 of 64)

  1. Functionalization Workbench

    30 Aug 2013 | | Contributor(s):: AbderRahman N Sobh, Chen-Yu Li, Nahil Sobh, Aleksei Aksimentiev

    Using molecular dynamic simulation - explore the interactions between a molecular structure and substrate when they are linked together.

  2. Ganesh Krishna Hegde

    https://nanohub.org/members/20954

  3. Golden Opportunities: Gold Nanoparticles for Biomedical Applications

    13 Jan 2020 | | Contributor(s):: Catherine J. Murphy

    In this talk I will discuss how these nanoparticles are prepared, how their surface chemistry can be tuned, how apparent cytotoxicity can be traced back to reagents in the synthesis rather than the particles per se, how protein orientation can be controlled on their surfaces, how cells respond...

  4. Goranka Bilalbegovic

    https://nanohub.org/members/45672

  5. High-Aspect-Ratio Micromachining of Titanium: Enabling New Functionality and Opportunity in Micromechanical Systems Through Greater Materials Selection

    18 Jun 2008 | | Contributor(s):: Masa Rao

    Traditionally, materials selection has been limited in high-aspect-ratio micromechanical applications, due primarily to the predominance of microfabrication processes and infrastructure dedicated to silicon. While silicon has proven to be an excellent material for many of these applications, no...

  6. Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces

    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...

  7. How Dry am I? Exploring Biomimicry and Nanotechnology

    30 Nov 2016 | | Contributor(s):: Elizabeth Davenport, Nancy Healy, NNCI Nano

    Through a series of activities, students will explore superhydrophobic properties of materials. This inquiry based lesson leads them through activities that has them compare and contrast physical properties of superhydrophobic coated materials with uncoated materials. In the process they will...

  8. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 12: Surfaces and Interface Effects

    07 Oct 2009 | | Contributor(s):: Nick Fang, Omar N Sobh

    Surfaces and Interface Effects Topics: Conduction of Ions in Fluid Applications of Ion Migration Electric Double Layer Debye Length Electro-Osmotic Effect Electro-Osmotic Flow Dielectrophoresis Surface and Surface Tension Molecular picture of Surface Tension Contact Angle: Young’s Equation DHow...

  9. Introduction to X-ray Photoelectron Spectroscopy and to XPS Applications

    17 May 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 is widely used for studies of the properties of atoms, molecules, solids, and surfaces. The...

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

    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...

  11. Ions in Nanoconfinement

    06 Dec 2017 | | Contributor(s):: Kadupitige Kadupitiya, Nasim Anousheh, Suresh Marru, Fox, Geoffrey C., Vikram Jadhao

    The Ions in Nanoconfinement app empowers users to simulate ions confined between material surfaces that are nanometers apart, and extract the associated ionic structure.

  12. KIST/PU Design and Performance of Bioresponsive Nanocarriers with Tunable Reactivity for Drug and Gene Delivery

    23 Oct 2007 | | Contributor(s):: Dave Thompson

    Our lab has focused on the development of bioresponsive nanocarriers that are designed to release their cargo upon entry into acidic environments such as those found in cellular endosomes and sites of poor circulation. Computational methods have been used to design vinyl ether lipids of varying...

  13. MCW07 Conductance Switching in Fluorene/TiO2 Molecular Heterojunctions

    13 Sep 2007 | | Contributor(s):: Richard L.McCreery

    Molecular junctions consisting of a monolayer of fluorene and 10 nm of TiO2 between conducting contacts exhibit a memory effect upon positive polarization of the of the TiO2 for a few milliseconds. The junction conductance increases for a period of several minutes, but can be “erased” by a...

  14. MCW07 Electronic Level Alignment at Metal-Molecule Contacts with a GW Approach

    05 Sep 2007 | | Contributor(s):: Jeffrey B. Neaton

    Most recent theoretical studies of electron transport in single-molecule junctions rely on a Landauer approach, simplified to treat electron-electron interactions at a mean-field level within density functional theory (DFT). While this framework has proven relatively accurate for certain systems,...

  15. MCW07 Impact of Porphyrin Functional Groups on InAs Gas Sensors

    05 Nov 2007 | | Contributor(s):: Michael Garcia

    Porphyrin molecules are often used for sensor engineering to improve sensitivity and selectivity to specific analytes. It is important to understand how the porphyrin HOMO-LUMO levels deplete surface states during functionalization of solid state sensors. Additionally, the effect of...

  16. Metal Oxide Nanowires as Gas Sensing Elements: from Basic Research to Real World Applications

    21 Sep 2009 | | Contributor(s):: andrei kolmakov

    Quasi 1-D metal oxide single crystal chemiresistors are close to occupy their specific niche in the real world of solid state sensorics. Potentially, the major advantage of this kind of sensors with respect to available granular thin film sensors will be their size and stable, reproducible and...

  17. Micro-scaled Biochips with Optically Active Surfaces for Near and Far-field Analysis of Cellular Fluorescence

    31 Aug 2007 | | Contributor(s):: Huw Summers

    The integration of thin (< 100 nm) metal films with micro-scaleoptical waveguides provides a route to controlled spatialexcitation of cellular fluorescence within a biochip platform.Surface bound electron-plasma oscillations (surface plasmon waves)interact with photons to produce an evanescent...

  18. Multiplex Detection of Cell Surface Markers using Plasmonic Sensors

    21 Jul 2008 | | Contributor(s):: Joseph M K Irudayaraj

    Gold nanorod molecular probes (GNrMPs) were designed and fabricated for multiplex identification of cell surface markers in HBECs. Cells were probed directly using dark field microscopy integrated with a spectral imager for simultaneous detection of up to three surface markers. The...

  19. Multiscale Manufacturing of Fractal Structures

    28 Mar 2013 | | Contributor(s):: Charalabos (Haris) Doumanidis

    This lecture overviews the philosophy and background of the presenter’s research group in thermomechanical materials processing and manufacturing process modeling and control by scanned distributed-parameter, dynamic adaptive techniques. It also elaborates on his current investigations in random...

  20. Nanofluidics

    15 Jun 2004 | | Contributor(s):: Susan Sinnott

    Nanofluidics