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Lincoln, James; Barrueto-Cabello, Roberto – Physics Teacher, 2021
X-rays are such an important and familiar part of the electromagnetic spectrum, but is there a way to safely bring x-rays into your lecture? The demo team at the University of California at Berkeley seems to have managed this. They have an x-ray safe box that they use to produce a live x-ray image on a fluorescent screen. In this article, we…
Descriptors: Visual Aids, Radiology, Teaching Methods, College Science
Ahlburg, Jakob Voldum; Menhinnitt, Zach; Thomas-Hunt, Jack; Saura-Mu´zquiz, Matilde; Christensen, Mogens – Journal of Chemical Education, 2021
In this experiment, students explore the synthesis and physical property characterization of the magnetic material strontium hexaferrite (SrFe[subscript 12]O[subscript 19]). SrFe[subscript 12]O[subscript 19] crystallites are prepared by a simple but fascinating sol-gel autocombustion synthesis. The prepared powder is compacted into pellets and…
Descriptors: Chemistry, Science Instruction, Magnets, Inorganic Chemistry
Frost-Schenk, J. W.; Diget, C. Aa.; Bentley, M. A.; Tuff, A. – Physics Education, 2018
An interactive activity to teach the hot Carbon, Nitrogen and Oxygen (HCNO) cycle is proposed. Justification for why the HCNO cycle is important is included via an example of x-ray bursts. The activity allows teaching and demonstration of half-life, nuclear isotopes, nuclear reactions, protons and a-particles, and catalytic processes. Whilst the…
Descriptors: Science Instruction, Teaching Methods, Interaction, Science Activities
An Inquiry-Based Project Focused on the X-Ray Powder Diffraction Analysis of Common Household Solids
Hulien, Molly L.; Lekse, Jonathan W.; Rosmus, Kimberly A.; Devlin, Kasey P.; Glenn, Jennifer R.; Wisneski, Stephen D.; Wildfong, Peter; Lake, Charles H.; MacNeil, Joseph H.; Aitken, Jennifer A. – Journal of Chemical Education, 2015
While X-ray powder diffraction (XRPD) is a fundamental analytical technique used by solid-state laboratories across a breadth of disciplines, it is still underrepresented in most undergraduate curricula. In this work, we incorporate XRPD analysis into an inquiry-based project that requires students to identify the crystalline component(s) of…
Descriptors: Inquiry, Active Learning, Student Projects, Science Activities
Polyak, Steven – Teaching Science, 2014
Modern drug discovery programs require the contribution of researchers in a number of specialist areas. One of these areas is structural biology. Using X-ray crystallography, the molecular basis of how a drug binds to its biological target and exerts its mode of action can be defined. For example, a drug that binds into the active site of an…
Descriptors: Biology, Guides, Molecular Biology, Physical Sciences
Pan, Yi; Li, Yue Ru; Zhao, Yu; Akins, Daniel L. – Journal of Chemical Education, 2015
A research project for senior undergraduates of chemistry has been developed to introduce syntheses of a series of monodispersed semiconductor PbS quantum dots (QDs) and their characterization methodologies. In this paper, we report the preparation of monodispersed semiconductor PbS QDs with sizes smaller than the exciton Bohr radius using a…
Descriptors: Synthesis, Quantum Mechanics, Case Studies, Undergraduate Students
Poeylaut-Palena, Andres, A.; de los Angeles Laborde, Maria – Biochemistry and Molecular Biology Education, 2013
A learning module for molecular level analysis of protein structure and ligand/drug interaction through the visualization of X-ray diffraction is presented. Using DeepView as molecular model visualization software, students learn about the general concepts of protein structure. This Biochemistry classroom exercise is designed to be carried out by…
Descriptors: Introductory Courses, Class Activities, Molecular Structure, Science Activities
Hu, Jun; Yin, Jinxiang; Lin, Tianshu; Li, Guangtao – Journal of Chemical Education, 2012
A new solvent-free microwave experiment to synthesize the ionic liquid 1-hexadecyl-3-methylimidazolium bromide (HDMIm-Br) in high yield is presented. The structure is confirmed by IR and [superscript 1]H NMR spectra. HDMIm-Br is then used to prepare an organic-inorganic mesoporous material MCM-41. The microscopic arrangements of mesoporous…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Experiments, Hands on Science
Small, Leo J.; Wolf, Steven; Spoerke, Erik D. – Journal of Chemical Education, 2014
Introducing students to a multidisciplinary research laboratory presents challenges in terms of learning specific technical skills and concepts but also with respect to integrating different technical elements to form a coherent picture of the research. Here we present a multidisciplinary series of experiments we have developed in the Electronic,…
Descriptors: Science Education, Science Experiments, Scientific Research, Interdisciplinary Approach
Horowitz, Scott; Koldewey, Philipp; Bardwell, James C. – Biochemistry and Molecular Biology Education, 2014
Recently, 57 undergraduate students at the University of Michigan were assigned the task of solving a crystal structure, given only the electron density map of a 1.3 Å crystal structure from the electron density server, and the position of the N-terminal amino acid. To test their knowledge of amino acid chemistry, the students were not given the…
Descriptors: Undergraduate Students, Biochemistry, Assignments, Science Activities
Surpless, Benjamin; Bushey, Michelle; Halx, Mark – Journal of Geoscience Education, 2014
Although science educators at all levels have focused on teaching students scientific literacy for nearly five decades, studies indicate that the average student remains far from scientifically literate. To address this issue at the local level, faculty at Trinity University, in San Antonio, Texas, significantly revised the curriculum of an…
Descriptors: Science Instruction, Science Curriculum, Geology, Science Laboratories