Tags: chemistry

All Categories (1-20 of 140)

  1. Hands-on Unsupervised Learning using Dimensionality Reduction via Matrix Decomposition (2nd offering)

    30 Apr 2020 | | Contributor(s):: Michael N Sakano, Alejandro Strachan

    This tutorial introduces unsupervised machine learning algorithms through dimensionality reduction via matrix decomposition techniques in the context of chemical decomposition of reactive materials in a Jupyter notebook on nanoHUB.org. The tool used in this demonstration...

  2. Hands-on Unsupervised Learning using Dimensionality Reduction via Matrix Decomposition (1st offering)

    29 Apr 2020 | | Contributor(s):: Michael N Sakano, Alejandro Strachan

    This tutorial introduces unsupervised machine learning algorithms through dimensionality reduction via matrix decomposition techniques in the context of chemical decomposition of reactive materials in a Jupyter notebook on nanoHUB.org. The tool used in this demonstration...

  3. Linear Diffusion and Cell Signaling

    17 Apr 2020 | | Contributor(s):: NNCI Nano

    In this activity, students explore the concept of diffusion as a component of cell communication.  Specifically, students will explore how the rate of diffusion varies with distance and concentration gradient. They will use a pipet with water and dye to observe a macro-model of diffusion....

  4. Using Biosynthesized Silver Nanoparticles to kill Antibiotic Resistant E. Coli.

    17 Apr 2020 | | Contributor(s):: Michael Falck, James Marti, NNCI Nano

    In this lab students will become familiar with biosynthesized silver nanoparticles, or bSNP’s. As part of the lesson, students will learn the potential of using biosynthesized silver nanoparticles for use as antimicrobials against antibiotic-resistant bacteria ...

  5. Unsupervised learning using dimensionality reduction via matrix decomposition

    14 Apr 2020 | | Contributor(s):: Michael N Sakano, Alejandro Strachan

    Learn PCA and NMF via chemistry example

  6. Multifaceted Microfluidics: Three simple methods to create a microfluidic device

    07 Apr 2020 | | Contributor(s):: Dixie Kullman, NNCI Nano

    This module is open-ended to allow for use in a number of classroom settings. The importance here is to permit the teacher to choose the technique provided and tailor the technique to the scientific principle. The students will create their own microfluidic devices and utilize their devices in...

  7. Make a Microfluidic Device to Investigate Properties of Solutions

    07 Apr 2020 | | Contributor(s):: Greg Hair, NNCI Nano

    This lesson focuses on having students design and test a microfluidic device to investigate the properties of solutions. The lesson activities combine concepts learned in the previous semester (energy, frequency, wavelength, and bonding) together with the aforementioned concepts of solutions to...

  8. Mystery Molecules: Identifying Materials with Nanoscale Characterization Tools

    18 Mar 2020 | | Contributor(s):: Maude Cuchiara, NNCI Nano

     In this lesson plan, students will be given several similar looking materials and asked to identify them by observing them at the macro and micro-scale. They will then be exposed to different analytical tools and describe how they can be used to explore materials at the nanoscale. ...

  9. Water Filtration and Purity of Water - Getting Down to the Nanoscale

    13 Feb 2020 | | Contributor(s):: David Mann, NNCI Nano

    This is a three part lesson which begins with familiarizing students with SI prefixes and the nanoscale.  In Lesson 2 students test a local water supply. It is designed to be used as an extension to classroom activities related to treating foul water for consumption. This activity should...

  10. NNCI Reference Sheets

    11 Feb 2020 | | Contributor(s):: Joyce Allen, Nancy Healy, NNCI Nano

    This is a series of 5 reference sheets for high school students that have a summarized version of important concepts for courses in: Physics, Physical Science, Chemistry, Biology, and Genetics.  These are two sided, with one side introducing nanotechnology and the other containing facts,...

  11. Nano-Link Center for Nanotechnology Education

    Nano-Link Alliance Members are the acknowledged experts in nanotechnology education: igniting nanoscience education, generating excitement among students and strengthening the country by supplying...

    https://nanohub.org/members/277415

  12. The Case of the Patent Pending: Paper Diagnostics in Forensics

    29 Jan 2020 | | Contributor(s):: Rebekah Ravgiala, Tray Sleeper, NNCI Nano

    The purpose of this investigation is twofold: 1) To use the skills of scientific inquiry to uncover the most likely perpetrator of a crime, and 2) To employ a paper diagnostics tool as a forensics device for chemically determining "whodunit". 

  13. Surface Area to Volume of Nanoparticles

    28 Jan 2020 | | Contributor(s):: Manuel Cassilas, NNCI Nano

    This two part lesson is designed to help students understand how nanoparticles may be more effective catalysts by investigating how the surface area-to-volume ratio of a substance is affected as its shape and size changes. This lab is meant to complement a chemistry unit on catalysts....

  14. Shape Memory Alloys: Materials that Remember

    28 Jan 2020 | | Contributor(s):: Nancy Healy, Gary Harris, NNCI Nano

    Students learn about a class of materials called shape memory alloys. In particular, they will explore the properties of  nitinol a shpae memory alloy. They will explore how nitinol behaves at different temperatures  and what applications these materials are used for.

  15. Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages

    28 Jan 2020 | | Contributor(s):: Heath Stout, Elinor Graf, Joann Dickert, NNCI Nano

    This lab is designed to have students develop and implement their own experiment to test the antimicrobial properties of silver nanoparticles. Students will be required to document and communicate the entire process via their scientific notebook. Students will also consider the implications and...

  16. The Effects of Colloidal Silver on Microbial Growth: Investigating Snake Oil Science

    28 Jan 2020 | | Contributor(s):: Rebekah Ravgiala, NNCI Nano

    This is a two part lesson focused on the use of colloidal silver as an antibacterial agent.The purpose of this activity is to use electro-chemistry techniques to generate colloidal silver and then utilize the colloidal silver to determine if the growth of the bacteria Saccharomyces cerevisiae...

  17. The Water Race: Hydrophobic and Hydrophilic Surfaces

    23 Jan 2020 | | Contributor(s):: Alondra Droege, NNCI Nano

    This high school chemistry lesson provides an introduction to the engineering of an interfacial surface at the nanoscale. It demonstrates concepts of hydrophobic and hydrophilic behavior. Students will create (through chemical reactions) a hydrophobic and hydrophilic surface using a 2 nanometer...

  18. Diagnostics for All: Teaching Relevance of Science and Engineering to Solving Societal Problems

    21 Jan 2020 | | Contributor(s):: J. Marc Abelard, NNCI Nano

    This a cross-disciplinary lesson that connects chemistry with social and ethical issues. It is tied to a new and promising inexpensive form of diagnostics called paper diagnostics. The issue discussed focuses on HIV Aids.

  19. Properties of Fluids

    21 Jan 2020 | | Contributor(s):: Astrid Hernandez, NNCI Nano

    This lab explores the properties of water flow. This inquiry-based lab consists of 2 sections: the Guided Lab Activity and the Going Further (research) portion. The guided lab activity, performed on the first day, is designed to help students observe and understand the way fluids interact with...

  20. Nanomotors: Nanoscale Propulsion

    15 Jan 2020 | | Contributor(s):: Paul Longwell, Chantelle Smith, Stephen Stillanos, NNCI Nano

    This lesson is designed to engage students in hands-on experiments that explore nanoscale propulsion principles and guide students in recognizing and analyzing differences between macroscale and nanoscale propulsion systems.