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Nano-concreto (Nanocrete)
Teaching Materials | 16 Jun 2020 | Contributor(s):: kim Grady, Jim Marti (editor), Deb Newberry (editor), Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor), Nano-Link Center for Nanotechnology Education
Este módulo le presenta a los estudiantes la nanotecnología, procesos y métodos que están siendo probados por la industria para preparar productos y sistemas cementosos fuertes y livianos. El módulo lleva al estudiante a través del procesamiento de un...
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Spectrophotometry of Metal Nanoparticles
Teaching Materials | 16 Jun 2020 | Contributor(s):: Chris Kaus, James J Marti, NNCI Nano
This activity has students chemically synthesize gold and silver nanoparticles, measure the spectra of light absorption and transmission by these particles, compare these spectra to those of known-sized particles, and then estimate the size distribution of the particles they have made. By using...
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Celdas Solares con Tintes Fotosensibles (Dye-Sensetized Solar Cells)
Teaching Materials | 16 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Frank Fernandes, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo trabaja con la fabricación de una celda solar con tinte fotosensible (“DSC”, por sus siglas en inglés). Una “DSC” es, esencialmente, una celda foto-electroquímica; significa que una reacción química foto-inducida...
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SEM Image Segmentation Tutorial using SEM Image Processing Tool
Teaching Materials | 16 Jun 2020 | Contributor(s):: Joshua A Schiller
In this activity, students will learn about the use of image processing methods to analyze Scanning Electron Microscopy images using a technique known as Image Segmentation and the SEM Image Processing Tool. The purpose of this tutorial is demonstrate several methods for image masking:...
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Celdas Unitarias y Estructuras de Cristal (Unit Cells and Crystal Structures)
Teaching Materials | 25 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Kristi Jean, Deb Newberry (editor), Jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
En este módulo, los estudiantes preparan una solución saturada con bórax, acetato de sodio y sulfato de cobre. Al secarse, cada cristal tendrá una forma diferente. La forma que observamos en un cristal (a escala macro) depende de cómo están arreglados...
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Polímeros de Anillo (Ring Polymers)
Teaching Materials | 24 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, NISE Net, Rodfal A. Rodríguez (editor), María T. Rivera (editor)
Este módulo es una variación de la actividad sobre los polímeros entrecruzados o reticulados y presenta mucho del mismo trasfondo de la estructura y propiedades de los polímeros. En esta versión se utiliza una forma de poliacrilato de sodio con una...
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Interferencia de Capas Finas (Thin Films)
Teaching Materials | 24 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Christopher Kumm, Jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
En este módulo, los estudiantes aprenderán sobre las propiedades ópticas de las capas finas. Realizarán un experimento en el que aplicarán una capa fina sobre un pedazo de papel de cartulina o de construcción. De esta forma podrán observar...
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Nanopartículas y Protectores Solares (Nanoparticles and Sunscreen)
Teaching Materials | 22 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Thomas Deits, Jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
En esta actividad, los estudiantes son introducidos a la función de los protectores solares y aprenden cómo se pueden utilizar las nanopartículas para proteger a las personas de la radiación ultravioleta (UV). Utilizan papel foto-crómico como sensor UV,...
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Polímeros Entrecruzados o Reticulados (Cross-Link Polymer)
Teaching Materials | 22 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Billie Copley, Laura Arndt (editor), jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
Este módulo les permite a los estudiantes investigar las fuerzas e interacciones a escala molecular mezclando diferentes líquidos con un polímero entrecruzado/reticulado. Este polímero (poliacrilato de sodio) comparte similitudes estructurales con la celulosa y...
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Cross-Link Polymer
Teaching Materials | 16 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Billie Copley, Jim Marti (editor), Laura Arndt (editor)
This module allows students to investigate forces and interactions at the molecular scale by mixing different liquids with a cross-linked polymer. The polymer (sodium polyacrylate) is similar to the structure found in cellulose and collagen. The interactions are dependent upon the charge...
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Nanoparticles and Sunscreen
Teaching Materials | 16 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Thomas Deits, Jim Marti (editor), Christopher Kumm
In this module, students are introduced to the function of sunscreen and learn how nanoparticles can be used to protect people from ultraviolet radiation. They use photochromic paper as a UV sensor, place samples of different types of sunscreen over this UV sensor, expose their samples to...
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Ring Polymers
Teaching Materials | 16 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, NISE Net
This module is a variation on the “Cross-Linked Polymers” activity, and presents much of the same background on polymer structure and properties. This version uses a form of sodium polyacrylate, the water-absorbing polymer often used in diapers, that has a different atomic...
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On-Line Lab: 3 Point Flexural Test of Ceramics
Teaching Materials | 27 Mar 2020 | Contributor(s):: Robert A Heard
The following can be used as a lab for a lab on 3 Point Flexural Testing of Ceramics in an introductory level lab in Material Science. Attached: Experiment in a Word Document; Video of Experiment
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On-Line Lab: Elastic Modulus Testing of a Polymer
Teaching Materials | 27 Mar 2020 | Contributor(s):: Robert A Heard
The following can be used as a lab testing the Elastic Modulus of a Polymer Film in an introductory level lab in Material Science.Click here to view the accompanying Video of the ExperimentOutcomeYou are only testing the elastic behavior of the polymer. Your observations should...
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On-Line Lab: Determination of the Glass Transition Temperature in Polymer
Teaching Materials | 27 Mar 2020 | Contributor(s):: Robert A Heard
The following can be used as a lab for a lab on Glass Transition Temperature in Polymers in an introductory level lab in Material Science. Attached: Experiment in a Word Document; Video of Experiment
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Mystery Molecules: Identifying Materials with Nanoscale Characterization Tools
Teaching Materials | 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. ...
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NNCI Outreach Demonstration Guide
Teaching Materials | 10 Feb 2020 | Contributor(s):: Nancy Healy, NNCI Nano
This compendium of demonstrations includes 17 activities that can be used to demonstrate topics to students and the general public. They are useful for science festivals, family science nights, and science cafes. ...
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Nanocrete
Teaching Materials | 06 Feb 2020 | Contributor(s):: kim Grady, James Marti (editor), Deb Newberry (editor), Nano-Link Center for Nanotechnology Education
This module introduces students to the nanotechnologies, processes, and methods being tested by industry to prepare strong and lightweight cementitious products and systems. The module takes the learner through processing a material (called microgrinding or powder milling) to reduce its size...
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Nanocellulose
Teaching Materials | 05 Feb 2020 | Contributor(s):: kim Grady, Richard Wilkosz (editor), Nano-Link Center for Nanotechnology Education
This module presents the nanotechnologies, processes, and methods being developed to produce strong and stiff cellulose nanofibers. The module is designed to take the student through processing a material (called feed stock or substrate) to break down and...
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Surface Area to Volume of Nanoparticles
Teaching Materials | 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....