Online Presentations (1-20 of 54)

1. From Research to Learning in Chemistry through Visualization and Computation

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   17 May 2007 | | Contributor(s):: Eric Jakobsson

   Modern chemistry research and high school chemistry education are separated by institutional and geographical boundaries. As such, much of secondary chemistry education is still based on the periodic table instead of the computational methods that drive current chemistry research. In this talk,...

2. Functionalized Nanomaterials at the Interface of Biology and Technology

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   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....

3. Hierarchy of Simulation Approaches for Charge Transport Simulation

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   01 Aug 2008 | | Contributor(s):: Omar N Sobh, Umberto Ravaioli

   General considerations Model simulation hierarchy Continuum model Particle Transport Monte Carlo model Examples of simulations Umberto Ravaioli - University of Illinois, Urbana-ChampaignNCN@Purdue Student Leadership Team Network for Computational Nanotechnology The Institute for Nanoelectronics...

4. Illinois Center for Nanoscale Science and Technology and Nano-CEMMS: A Hard Day in the Life of a Soft Cell

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   07 May 2009 | | Contributor(s):: Jeffrey Fredberg

   AHard Day in the Life of a Soft CellWith every beat of the heart, inflation of the lung, or peristalsis of the gut, cell types of diverse function are subjected to substantial stretch. But what physical laws govern the abilities of the cytoskeleton to deform, contract, and remodel at the...

5. Illinois MatSE 280 Introduction to Engineering Materials, Lecture 2: Atomic Structure and Interatomic Bonding

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   18 Aug 2008 | | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Refortify your chemistry - Atomic scale structuresGoals Define basic concepts: Filling of Atomic Energy Levels: Pauli Exclusion Principle Atomic Orbitals (s-, p-, d-, and f- type electrons) Types of Bonding between Atoms The Periodic Table (and solid state structures)...

6. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 1: Structure of Metals and Ceramics

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   19 Sep 2008 | | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Structures of Metals and CeramicsGoals Define basic terms and give examples of each: Lattice Basis Atoms (Decorations or Motifs) Crystal Structure Unit Cell Coordination Numbers Describe hard-sphere packing and identify cell symmetry Crystals density: the mass per volume (e.g. g/cm3) Linear...

7. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 2: Structure of Ceramics

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   21 Sep 2008 | | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Structure of CeramicsIssues to Address...Structures of ceramic materials: How do they differ from that of metals?Define basic terms and give examples of each: Lattice Basis Atoms (Decorations or Motifs) Crystal Structure Unit Cell Coordination Numbers Describe hard-sphere packing and identify...

8. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 3: Crystallographic Points, Directions, and Planes

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   22 Sep 2008 | | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Crystallographic Points, Directions, and PlanesIssues to Address...How to define points, directions, planes, as well aslinear, planar, and volume densitiesDefine basic terms and give examples of each: Points (atomic positions) Vectors (defines a particular direction - plane normal) Miller Indices...

9. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 4: Structures via Diffusion

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   28 Sep 2008 | | Contributor(s):: Duane Douglas Johnson, Omar N Sobh

   Structures via DiffractionGoals Define basic ideas of diffraction (using x-ray, electrons, or neutrons, which, although they are particles, they can behave as waves) and show how to determine: Crystal Structure Miller Index Planes and Determine the Structure Identify cell symmetry Learning...

10. Introduction to Self-Assembled Monolayers and Biosensors

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    01 Aug 2007 | | Contributor(s):: Michael Toole

    Recent research concerning self-assembled monolayers (SAMs) focuses on tasks from fabrication of microelectronics to creating biosensors. This presentation will address the fundamental principles of self-assembled monolayers, formation and analysis of self-assembled monolayers, the basics of...

11. Ion Selectivity in Synthetic and Natural Channels

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    31 Mar 2008 | | Contributor(s):: Susan Rempe

    Transport across membranes and nanopores can be characterized by static equilibrium properties as well as by nonequilibrium dynamic properties. For example, equilibrium selectivity properties of a nanopore can be characterized by the difference in interaction free energy for transferring one ion...

12. Lecture 10: Mutagenesis

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    07 Apr 2008 | | Contributor(s):: Paul R Selvin

    Site-Directed Mutagenesis to Isolate and Mutate DNA (for FIONA)

13. Lecture 11: FIONA (Fluorescence Imaging with One Nanometer Accuracy)

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    11 Apr 2008 | | Contributor(s):: Paul R Selvin

    Fluorescence Imaging with One Nanometer Accuracy, Specificity to look at heads Nanometer spatial localization, Second temporal resolution, Single Molecule sensitivity Single Molecule Photostability

14. Lecture 12: Ultra-Resolution

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    11 Apr 2008 | | Contributor(s):: Paul R Selvin

    SHREC (Single molecule High Resolution Co localization), SHRIMP (Super-High Resolution Imaging with Photobleaching), DOPI (Defocused Orientation Position Imaging), PALM (PhotoActivated Localization Microscopy), Enhancing Resolution

15. Lecture 13: Enhancing Resolution - FIONA - SHREC - DOPI - PALM - STORM

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    15 Apr 2008 | | Contributor(s):: Paul R Selvin

    Current Methods of obtaining higher resolution using: FIONA : Flouresence Imaging with One Nanometer Accuracy SHREC : Single molecule High Resolution Co-localization DOPI : Defocused Orientation Position Imaging

16. Lecture 14: FRET and Helicase Activity

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    15 Apr 2008 | | Contributor(s):: Paul R Selvin

    FRET: measuring conformational changes of (single) biomolecules, Unzipping mystery of helicases

17. Lecture 16: Optical Traps - Part 1

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    16 Apr 2008 | | Contributor(s):: Paul R Selvin

    First Optical Trap built, Reflection, Refraction, Brownian motionYann Chemla - Assistant Professor of Physics - University of Illinois at Champaign-Urbana

18. Lecture 18: Magnetotaxis

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    28 Apr 2008 | | Contributor(s):: Klaus Schulten, Paul R Selvin

    Biochemical Mechanisms for Magnetic Orientation in Animals, guest lecture Klaus Schulten.

19. Lecture 19: Optical Traps - Part2

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    23 Apr 2008 | | Contributor(s):: Paul R Selvin

    Biological application of optical traps, High resolution optical trapping, Brownian noise

20. Lecture 1: Introduction to Biophysics

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    28 Apr 2008 | | Contributor(s):: Paul R Selvin

    Understanding biology using simple ideas from physics