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  1. Decoding the Epigenetic Language of Life

    22 Nov 2016 | Online Presentations | Contributor(s): Jian-Kang Zhu

    I will describe work in my lab that has shed light on how DNA methyltransferases and demethylases are guided to specific sequences, and how the antagonistic actions of the enzymes are coordinated to generate proper DNA methylation patterns. I will also describe some of our recent work on how DNA...

  2. Seeing Nano: Using Scanning Electron Microscopy (SEM) to View Nano-size Objects

    02 Dec 2016 | Teaching Materials | Contributor(s): Samantha Andrews

    Nano-size objects are smaller than the wavelength of light and because of this they cannot be viewed with a light microscope.  Special tools are needed to see nanoscale objects, one of which is the scanning electron microscope. This activity will have students explore the types of images...

  3. How Small is That?

    02 Dec 2016 | Teaching Materials | Contributor(s): Jamie Ryan

    This lab is designed to help students understand the size of nanoparticles compared to the size of other known quantities, such as a human being or a skin cell. After the size of nanoparticles is understood, the students will be challenged to come up with a way to “save”...

  4. Understanding and Optimizing Exploratory Hydrothermal Reactions

    22 Jan 2018 | Online Presentations | Contributor(s): Alex Norquist

    In this work, an alternative approach that uses machine-learning algorithms trained on reaction data to predict reaction outcomes for the crystallization of templated vanadium selenites is demonstrated. Archived ‘dark’ reactions, both failed and successful attempts at hydrothermal...

  5. Visualizing Crystal Structures: An interactive group classroom activity

    11 Nov 2016 | Teaching Materials | Contributor(s): Susan Gentry, Tanya Faltens

    OverviewThis learning activity guides students through the visualization of three-dimensional crystal structures using the software package Ovito. Students work in groups manipulating crystal structures on their personal computers, ranking the planar densities of the (100), (110), and...

  6. Modeling of Inter-ribbon Tunneling in Graphene

    11 Nov 2016 | Online Presentations | Contributor(s): Maarten Van de Put, William Gerard Hubert Vandenberghe, Massimo V Fischetti

    IWCE presentation. In this paper we investigate the finite-size effect in nano-scaled graphene flakes. Improving on the bulk description, and because the structures are – atomistically speaking – large in size, we use the empirical pseudopotential method[2].

  7. Active Optical Antennas and Metasurfaces

    10 Nov 2016 | Online Presentations | Contributor(s): Mark Brongersma

  8. Atomic Resolution Brownian Dynamics

    09 Nov 2016 | Tools | Contributor(s): Chris Maffeo

    GPU-accelerated Brownian dynamics simulation tool for biomolecular and nanotechnological systems

  9. Power for Pulse Power Applications

    08 Nov 2016 | Online Presentations | Contributor(s): Robert P. Hamlen

    The focus of this talk will be to provide information of electrochemical systems capable of providing pulse power for a variety of applications, from electric buses to pulse power weapons.  There will be a review of the various primary and rechargeable batteries, as well as a discussion of...

  10. Optical Hyperspace: Light in Metamaterials with Hyperbolic Dispersion

    03 Nov 2016 | Online Presentations | Contributor(s): Evgenii Narimanov

    The composites with opposite signs of the dielectric permittivity in two orthogonal directions, known as the hyperbolic metamaterials, represent a new "universality class" of optical media, with the light behavior which is qualitatively different from that in either metals or...

  11. A Phase-Changing Oxide for PS Silicon Photonics

    02 Nov 2016 | Online Presentations | Contributor(s): Richard Haglund

  12. PREPRINT: Molecular Modeling of the Microstructure Evolution during the Carbonization of PAN-Based Carbon Fibers

    23 Mar 2017 | Papers | Contributor(s): Alejandro Strachan, Saaketh Desai

    PREPRINTDevelopment of high strength carbon fibers (CFs) requires an understanding of the relationship between the processing conditions, microstructure and resulting properties. We developed a molecular model that combines kinetic Monte Carlo (KMC) and molecular dynamics (MD) techniques to...

  13. Epitaxial Strategies for High Power Optically Pumped Vertical External Cavity Surface Emitting Lasers and Metamorphic Antimonide Solar Cells

    02 Nov 2016 | Online Presentations | Contributor(s): Ganesh Balakrishnan

    We present antimonide-based photovoltaic cells grown on GaAs and Silicon substrates for use as sub-cells in metamorphic multi-junction solar cells. These antimonide cells, based on GaSb, are designed to absorb near-infrared photons. The GaSb layer is grown on either GaAs or Silicon substrates.

  14. LAMMPS structure generator

    01 Nov 2016 | Tools | Contributor(s): Benjamin P Haley

    Convert a molecular structure file to a LAMMPS data file with force field parameters

  15. Coffee Break with Nanoscience: Film Formation and "Coffee Rings"

    28 Oct 2016 | Teaching Materials | Contributor(s): Irina Golub, James Marti

    This lab explores issues that engineers and scientists face in working with thin film i.e., dealing with two phenomena that work against them: cracking and the coffee ring effect. This lab will explore the phenomena involved in making thin film coatings. Students will explore the problems that...

  16. The Blood Glucose Mnitor

    28 Oct 2016 | Teaching Materials | Contributor(s): Steven Thedford, Samantha Andrews, Nancy Healy

    Students are introduced to glucose monitors, how these biosensors are being improved with naotechnology, and they test glucose levels. The purpose of the lab is to measure the glucose concentration of several synthetic blood and urine samples to determine which patients have diabetes. Students...

  17. Using Gold Nanoparticles for Bacterial Detection

    28 Oct 2016 | Teaching Materials | Contributor(s): Michael L. Falk

    This lab is designed to introduce students to gold nanoparticles and some of their applications. Students will create gold nanoparticles (GNPs) and learn the potential disease detection uses of GNPs, conduct research on modifying GNPs to be specific to other molecules, and complete a simulation...

  18. Silicon Solar Cell Efficiency: Comparing Input Power to Output Power of a Silicon Photovoltaic Cell

    28 Oct 2016 | Teaching Materials | Contributor(s): Oskar Cymerman

    This lesson is designed to help students find a measure of a solar cell’s power conversion efficiency, by studying output power (Pout) of a silicon PV cell and comparing it to the input power (Pin) of incandescent light bulbs illuminating the PV from a set distance. In this activity,...

  19. Uncertainty Measurements and the Wavelength of Light

    28 Oct 2016 | Teaching Materials | Contributor(s): Chris Kaus

    This high school physics lesson is designed to help students understand how very small measurements can be made (even at the nanoscale) and how the accuracy of those measurements affects their results. In this lab, students will calculate the wavelength of a laser (on the nanoscale) using simple...

  20. Designing Architectured Materials: Evolution vs. Intelligent Design

    27 Oct 2016 | Online Presentations | Contributor(s): Pablo Daniel Zavattieri

    There is a strong demand for new paradigms of design and development of advanced high-performance structural materials with high strength and durability that are low-cost and renewable with novel combinations of properties. Yet, most of these applications require high-performance materials that...