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Showing 16 to 30 of 32 results Save | Export
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Lyman, Benjamin M.; Farmer, Orrin J.; Ramsey, Ryan D.; Lindsey, Samuel T.; Stout, Stephanie; Robison, Adam; Moore, Holly J.; Sanders, Wesley C. – Journal of Chemical Education, 2012
A cost-effective, hands-on laboratory exercise is described for demonstrating nanoscale fabrication at non-research-based educational institutions. The laboratory exercise also contains a component involving qualitative and quantitative surface characterization of student-fabricated nanoscale structures at institutions with on-site access to an…
Descriptors: Energy, Biology, Science Laboratories, Science Instruction
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Berne, Rosalyn W.; Schummer, Joachim – Bulletin of Science, Technology and Society, 2005
Societal and ethical implications of nanotechnology have become a hot topic of public debates in many countries because both revolutionary changes and strong public concerns are expected from its development. Because nanotechnology is, at this point, mostly articulated in visionary and futuristic terms, it is difficult to apply standard methods of…
Descriptors: Technological Advancement, Teaching Methods, Engineering Education, Science Fiction
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Sharpe, Erica; Andreescu, Silvana – Journal of Chemical Education, 2015
We describe a laboratory experiment that employs the Nanoceria Reducing Antioxidant Capacity (or NanoCerac) Assay to introduce students to portable nanoparticle-based paper sensors for rapid analysis and field detection of polyphenol antioxidants. The experiment gives students a hands-on opportunity to utilize nanoparticle chemistry to develop…
Descriptors: Science Instruction, Science Laboratories, Laboratory Experiments, Science Experiments
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Dorney, Kevin M.; Baker, Joshua D.; Edwards, Michelle L.; Kanel, Sushil R.; O'Malley, Matthew; Pavel Sizemore, Ioana E. – Journal of Chemical Education, 2014
Numerous nanoparticle (NP) fabrication methodologies employ "bottom-up" syntheses, which may result in heterogeneous mixtures of NPs or may require toxic capping agents to reduce NP polydispersity. Tangential flow filtration (TFF) is an alternative "green" technique for the purification, concentration, and size-selection of…
Descriptors: Science Instruction, Science Laboratories, Chemistry, Engineering Education
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VanDorn, Daniel; Ravalli, Matthew T.; Small, Mary Margaret; Hillery, Barbara; Andreescu, Silvana – Journal of Chemical Education, 2011
There has been much interest in magnetite (Fe[subscript 3]O[subscript 4]) due to its utility in adsorbing high concentrations of arsenic in contaminated water. The magnetic properties of the material allow for simple dispersion and removal from an aqueous system. An inquiry-based laboratory has been developed that illustrates these unique…
Descriptors: College Science, Scientific Concepts, Science Curriculum, Science Instruction
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Gardner, Grant E.; Jones, M. Gail – American Biology Teacher, 2009
Nanoscale science and engineering are disciplines that examine the unique behaviors and properties of materials that emerge at the size range of 1 to 100 nanometers (a billionth of a meter). Nanobiotechnology is a sub-discipline of nanoscience that has arisen more recently. Nanobiotechnology is already impacting the fields of healthcare and…
Descriptors: Undergraduate Students, Investigations, Public Health, Biomedicine
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Mankidy, Bijith D.; Coutinho, Cecil A.; Gupta, Vinay K. – Journal of Chemical Education, 2010
The diffusion coefficient of polymers is a critical parameter in biomedicine, catalysis, chemical separations, nanotechnology, and other industrial applications. Here, measurement of macromolecular diffusion in solutions is described using a visually instructive, undergraduate-level optical refraction experiment based on Weiner's method. To…
Descriptors: Chemistry, Biological Sciences, Chemical Engineering, Science Instruction
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Kim, Donghwi; Kamoua, Ridha; Pacelli, Andrea – Journal of Educational Technology Systems, 2006
Nanoelectronics has the potential, and is indeed expected, to revolutionize information technology by the use of the impressive characteristics of nano-devices such as carbon nanotube transistors, molecular diodes and transistors, etc. A great effort is being put into creating an introductory course in nano-technology. However, practically all…
Descriptors: Teaching Methods, Molecular Structure, Undergraduate Study, Engineering Education
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Jacobberger, Robert M.; Machhi, Rushad; Wroblewski, Jennifer; Taylor, Ben; Gillian-Daniel, Anne Lynn; Arnold, Michael S. – Journal of Chemical Education, 2015
Graphene's unique combination of exceptional mechanical, electronic, and thermal properties makes this material a promising candidate to enable next-generation technologies in a wide range of fields, including electronics, energy, and medicine. However, educational activities involving graphene have been limited due to the high expense and…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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Hughes, Bill – Technology and Engineering Teacher, 2013
A low-cost and portable colorimeter kit has been designed and developed as an educational tool at Penn State University by Dr. Daniel Sykes for K-12 schools' integrated STEM learning. This scientific instrument allows students to learn how scientists utilize light as a means to study the chemical and physical properties of materials with an…
Descriptors: Chemistry, Algebra, Technology Education, Electronics
Cavanagh, Sean – Education Week, 2009
Some schools are crafting lessons with help from local universities and companies that work in nanoscience. That's the case at Ballston Spa High, located in an area of eastern New York known as Tech Valley, home to many technology firms and top-flight research institutions. By delving into nanotechnology, a specialized subject that is more…
Descriptors: Higher Education, Technology, High Schools, Students
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Sabulski, Charles P. – Tech Directions, 2004
Nanotechnology refers to the research and technology development at the atomic, molecular, or macromolecular levels, in the length scale of approximately 1-100 nanometer range, that provides a fundamental understanding of phenomena and materials at the nanoscale and creates and use structures, devices, and systems that have novel properties and…
Descriptors: Technology, Technological Advancement, Scientific Research, Research and Development
Reese, Susan – Techniques: Connecting Education and Careers (J1), 2009
"We cannot always build the future for our youth, but we can build our youth for the future." Franklin D. Roosevelt spoke those words more than 50 years ago. It was a time when students took classes called "shop," and those students were almost exclusively boys. Home economics classes, on the other hand, were filled with girls learning cooking and…
Descriptors: Majors (Students), Home Economics, Information Technology, Agricultural Education
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Borsen, T. – European Journal of Engineering Education, 2008
Many philosophers and sociologists of science have tried to understand the profound changes that have occurred in science, engineering and technology. In the first part of this paper, I present the work of one such scholar: Jerome Ravetz who, in collaboration with Silvio Funtowicz, has characterised what he calls "postnormal science".…
Descriptors: Biochemistry, Engineering, Scientists, Ethics
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Ito, Takashi – Journal of Chemical Education, 2008
This article describes experiments for an undergraduate instrumental analysis laboratory that aim to observe individual double-stranded DNA (dsDNA) molecules using fluorescence microscopy and atomic force microscopy (AFM). dsDNA molecules are observed under several different conditions to discuss their chemical and physical properties. In…
Descriptors: Undergraduate Students, Chemistry, Genetics, Experiments
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