All Categories (121-140 of 449)

1. Nanotechnology and Cosmetics

   Teaching Materials | 15 Jan 2020 | Contributor(s):: Rochelle Lofstrand, NNCI Nano

   This is a series of four lessons which build upon each other to explore the use of nanotechnology in cosmetics as well as the social and ethical issues associated with nano-based cosmetics. The purpose of these lessons is to familiarize students with the chemistry of cosmetics and the anatomy...

2. Quantum Dots: Real-world Particles in a Box

   Teaching Materials | 15 Jan 2020 | Contributor(s):: Joyce Allen, NNCI Nano

   The purpose of this activity is to show that nanosize particles of a given substance often exhibit different properties and behavior than macro or micro size particles of the same material. The property studied in this activity is the absorption and reflection of light which is based on energy...

3. Modeling Self Assembly High School Version

   Teaching Materials | 15 Jan 2020 | Contributor(s):: Roquel Stanley, NNCI Nano

   There are two activities in this lesson, the Fly Prison and the Water Maze.  The Fly Prison is a hands-on modeling activity designed to introduce students to the area of nanotechnology and give them a basic understanding of how researchers build very small devices by the self-assembly of...

4. Golden Opportunities: Gold Nanoparticles for Biomedical Applications

   Online Presentations | 14 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...

5. Electrodeposition and Synthesis of Nickel Nanowires

   Teaching Materials | 14 Jan 2020 | Contributor(s):: Stephen Stillanous, Paul Longwell, Zulekia Torres, Ronald Redwing, Mary Shoemaker, NNCI Nano

   This is a two part lesson for high school chemistry students. In part 1, the lab is designed to introduce students to the applications of forcing a chemical reaction using an electrical current. Students will discover how a flow of electrons allows cations in solution to revert to a solid state...

6. Gelatin Microfluidics

   Teaching Materials | 13 Jan 2020 | Contributor(s):: Javier Cervantes, NNCI Nano

   This lab shows the importance of channel design in biotechnology and nanotechnology and the methods used to study the behavior of fluids as they flow through a channel.  Students will create and test a microfluidic device by creating narrow channels in gelatin, injecting dye in the...

7. Exploring the Properties of Magic Sand

   Teaching Materials | 13 Jan 2020 | Contributor(s):: Amy Brunner, Nancy Healy, NNCI Nano

   This lesson uses a hydrophobic material called Magic Sand to: 1. Explore the properties of molecular bonding; 2. Introduce students to the engineering of hydrophobic surfaces; and 3. Demonstrate the concepts of hydrophobic and hydrophilic behavior. It is suitable for high school students in...

8. Hiding Behind the Mask: A Fabrication Activity Focused on Etching

   Teaching Materials | 13 Jan 2020 | Contributor(s):: John Gomm, NNCI Nano

   This lab is designed to help students understand one aspect of semiconductor manufacture: selective layering. The activity focuses on electrochemical etching which is used in semiconductor manufacturing.

9. How Catalysts Work - A Nanoscale Phenomenon

   Teaching Materials | 13 Jan 2020 | Contributor(s):: Manueal Casillas, NNCI Nano

   This activity helps students understand how catalysts work on the nanoscale. Catalyst are more efficient when on the nanoscale because of the large amount of surface area in comparison to volume. This is a great way to introduce or review reactants, catalysts, and adsorption, desorption, and...

10. Lab on a Slab: Microfluidics Activity

    Teaching Materials | 13 Jan 2020 | Contributor(s):: John Gomm, NNCI Nano

    Microfluidics is a technique for manipulating liquid samples. With one drop of liquid sample, small devices and channels can be used with nanoparticles for sensitive detection of chemicals. In this lab, students will create a fluidic device with agar gel and use it to test and diagnose three...

11. Catalytic Converters and Nanocatalysts

    Teaching Materials | 12 Jan 2020 | Contributor(s):: Cheryl Powers, NNCI Nano

    This two part lesson with an optional third lesson is designed to explore the reactions involved in catalytic converters and the importance of nanocatalysts in the reactions.  Student activities can be done as guided or independent inquiry

12. Exploring Factors Effecting Deposition, Morphology, and Thickness of Thin Metallic Layer of Copper

    Teaching Materials | 08 Jan 2020 | Contributor(s):: Berkil Alexander, NNCI Nano

    Students will create thin layers of copper and nickel in an electrochemical reaction to understand how an electric current passed through an ionic solution will result in a chemical reaction which will separate materials.

13. Visualizing Diffusion in Real Time and on a Macroscle

    Teaching Materials | 06 Jan 2020 | Contributor(s):: Ryan Stuart, NNCI Nano

    This lesson has been designed to help students visualize how diffusion occurs by creating a macro version of a permeable membrane. The goal is to have students see how molecular size (atomic radii) impact diffusion at the nanoscale. In addition, they will observe diffusion rates of iodine with...

14. Polyaniline Synthesized Conducting Polymer for Applicable Uses as Nanomaterials

    Teaching Materials | 06 Jan 2020 | Contributor(s):: Mark Dignan, NNCI Nano

    This lesson introduces students to polyaniline, a conducting polymer. It demonstrates how nanofibers significantly improve the processing of polyaniline and its performance as a conventional application involving polymer interactions with its environment (i.e. inorganic and organic uses). The...

15. Turning Fruit Juice into Graphene Quantum Dots

    Teaching Materials | 06 Jan 2020 | Contributor(s):: John Gomm, NNCI Nano

    Graphene, a sub-nanometer thick sheet made of carbon, was isolated just over a decade ago (2004), yet swiftly won the Nobel Prize for Geim and Novoselov in 2010 for its properties of high strength, conductivity, and transparency. Students will replicate the procedure used to isolate graphene...

16. A Python Script for Siesta Structure/Coordinate Block Generation

    Downloads | 06 Jan 2020 | Contributor(s):: Kamalpreet Singh

    Siesta Structure/Coordinate Block Generation This script will read a .xyz file and prepare a coordinate file for Siesta. The coordinate block can be copied directly to the clipboard or saved as a text file.

17. Bigger the Better is not Always True: Exploring Size Effect on Chemical Reaction Times

    Teaching Materials | 02 Jan 2020 | Contributor(s):: Kay Sheets, NNCI Nano

    Many physical characteristics effect how matter reacts with other matter.  Size does matter.  This lesson will explore the reaction time of different size grains of salt when added to soda water. The objective is to determine if surface area affects reactivity time.

18. A Python Script For Energy Diagram Generation (CP2K NEB)

    Downloads | 16 Dec 2019 | Contributor(s):: Kamalpreet Singh, Oleksandr Voznyy

    This python script utilizes the .ener file generated by an NEB calculation performed in CP2K (quantum chemistry and solid-state physics software package) to generate the corresponding energy diagram alongside the appropriate raw data.

19. Manufacturing Fit-for-Purpose Membranes from Nanostructured Polymers

    Online Presentations | 11 Dec 2019 | Contributor(s):: William Phillip

    This presentation will discuss how to produce block polymers membranes that contain a high density of well-defined nanoscale pores using facile and scalable techniques. Furthermore, we will describe how the performance profile of the membranes can be tailored to effect selective separations...

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    Ryan C Fortenberry

    https://nanohub.org/members/271582