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Exploring Surface Energy of Polymers by Contact Angle Estimation
Teaching Materials | 03 Dec 2020 | Contributor(s):: Fred Okoh, NNCI Nano
Students will qualitatively and quantitatively estimate contact angles of polymers and compare their surface energy. They will use a variety of polymer sheets onto which they will place drops of water. After observing the shape of the drop, they will take digital photographs of the drop, print...
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To See or Not to See? Hydrophobic and Hydrophilic Surfaces
Teaching Materials | 03 Dec 2020 | Contributor(s):: Jenny Willis, NNCI Nano
This activity can be completed as a separate one or in conjunction with the lesson Superhydrophobicexpialidocious: Learning about hydrophobic surfaces found at: https://www.nnci.net/node/5895. The activity is a visual demonstration of the difference between hydrophobic and hydrophilic...
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Aerogel (Aerogel)
Teaching Materials | 02 Jul 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Carol E. Bouvier, James J Marti, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Los aerogeles son las sustancias semisólidas conocidas más livianas que existen. Los aerogeles de sílice o dióxido de silicio (SiO2) tienen la misma estructura química que la arena de sílice o el vidrio de las ventanas, pero tienen diferencias...
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Encapsulación y Liberación Controlada: Macro Cápsulas (Encapsulation & Controlled Release)
Teaching Materials | 30 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, James J Marti, Kyle Forgette, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo introduce el proceso de la formación de macro cápsulas y el concepto de autoensamblaje. Formar cápsulas a escalas macro, micro y nano tiene aplicaciones muy importantes en la liberación de medicamentos, cosméticos, tecnología de...
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Nanofiltración (NanoFiltration)
Teaching Materials | 30 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Sandra Weeks, Laura Arndt, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
El suministro de agua contaminada se ha convertido en un problema local en las comunidades de los Estados Unidos y el mundo. Aunque las situaciones dramáticas en Flint, Michigan y Nueva Orleans después del huracán Katrina ocuparon los titulares noticiosos, los vecindarios y...
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Nano-celulosa (Nanocellulose)
Teaching Materials | 30 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, kim Grady, Rich Wilkosz (editor), Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo le presenta a los estudiantes la nanotecnología, procesos y métodos que están siendo desarrollados para producir nano-fibras de celulosa fuertes y rígidas. El módulo está diseñado para guiar a los estudiantes a...
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Nanotratamiento del Agua (Nanotreatment)
Teaching Materials | 30 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Sandra Weeks, Laura Arndt, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo se concentra en las tecnologías que utilizan fuerzas e interacciones en la nano escala para tratar el agua. Se le presenta a los estudiantes la oportunidad de seleccionar un problema de tratamiento del agua para determinar qué contaminantes están...
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Fotolitografía Opción A (a base de solvente) - Photolithography (Option A))
Teaching Materials | 29 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, James J Marti, Maryam Jalali, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo presenta una introducción y demostración de fotolitografía, proceso de copiar un patrón de alta resolución en múltiples sustratos. Los estudiantes replican los pasos clave en el proceso de fotolitografía y aprenden...
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Fotolitografía Opción B (a base de agua) - Photolithography (Option B))
Teaching Materials | 29 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, James J Marti, Maryam Jalali, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo presenta una introducción y demostración de fotolitografía, proceso de copiar un patrón de alta resolución en múltiples sustratos. Los estudiantes replican los pasos clave en el proceso de fotolitografía y aprenden...
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Light Emitting Diodes
Teaching Materials | 29 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Sam Levenson, James J Marti
This module demonstrates the concepts of semiconductor band gaps and the quantum nature of light using readily available and inexpensive LEDs. It uses a simple fact which surprises many students – LED can detect light (i.e., act as small solar cells) as well as generate light. The...
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Memory Metals
Teaching Materials | 29 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Matthew Shultz, Deb Newberry, James J Marti
This module explores the properties of shape memory alloys, commonly called “memory metals”. These alloys, when made into wires or thin structures, exhibit the shape memory effect: if bent or deformed, the metal will revert to its original shape upon heating. This module...
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Materials Matching Mixer Activity
Teaching Materials | 29 Jun 2020 | Contributor(s):: Amber Genau
This materials-themed ice breaker activity is great for the first day of a camp program to get students thinking about basic material properties, as well as talking to each other and speaking out loud in front of the group. The name of a common engineering material (steel, rubber, concrete,...
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Pineapple Packaging Design Challenge
Teaching Materials | 29 Jun 2020 | Contributor(s):: Amber Genau
This activity asks students to work in teams to consider the pros and cons of different materials as a container for cut pineapple (metal can plastic jar, glass jar). It reinforces the differences between different categories of material, weighing conflicting factors to reach a design...
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Engineering Communication with Tinker Toys
Teaching Materials | 29 Jun 2020 | Contributor(s):: Amber Genau
This resource describes three variations on an engineering communication activity using Tinker Toys. In the main activity, small groups of students are given a bag of Tinker Toys and instructed to build anything they like. They are then asked to write down building instructions for...
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Micelas (Micelles)
Teaching Materials | 16 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Lisa Siedman, Jeanette Mowery, James J Marti, Kyle Forgette, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)
Este módulo introduce los conceptos de micelas y la concentración crítica de micelas (CMC, por sus siglas en inglés). Las micelas tienen aplicaciones importantes en la biotecnología. En ocasiones, se utilizan para llevar fármacos (drogas) a tejidos y...
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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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Simulating a Controlled Drug Delivery System
Teaching Materials | 11 Jun 2020 | Contributor(s):: Rebekah Ravgiala, NNCI Nano
In this activity, students will learn about alternative drug delivery methods and then prepare a controlled drug delivery system using sodium alginate and glucose to mimic the behavior of a controlled release drug delivery system. The purpose of this investigation is to model a controlled drug...
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Efficiency of Nitinol Wire
Teaching Materials | 11 Jun 2020 | Contributor(s):: John Nice, NNCI Nano
This lab activity focused on nitinol or muscle wires which are shape memory alloys. These wires can be used to lift a weight up a height. Students will explore how the work performed lifting a load with the nitinol wire compares to the energy pumped into the wire by an electrical current....