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Gehman, Courtney A.; Hantz, Eric R.; Hamann, Christian S. – Journal of Chemical Education, 2021
[superscript 1]H NMR spectroscopy is a molecular characterization technique that is ubiquitously used in research and teaching laboratories alike. Strategic deuteration of molecules is a commonly employed technique in the deconvolution of [superscript 1]H NMR signals. Here this approach is applied in a second-year chemistry course in which…
Descriptors: Undergraduate Students, College Science, Chemistry, Science Experiments
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Brohus, Malene; Duun Rohde, Palle; Echers, Simon Gregersen; Westphal, Klaus Ringsborg; Ern, Rasmus; Jensen, Helene Halkjaer – Journal of Problem Based Learning in Higher Education, 2022
Digital tools and platforms offer new solutions to design and conduct university teaching. This case illustrates how such digital solutions may be utilized in problem-based learning programmes within life science educations. Specifically, the case evaluated the use of live-streamed and recorded lectures, the incorporation of digital formative…
Descriptors: Biological Sciences, Formative Evaluation, Electronic Learning, Computer Mediated Communication
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Alkilany, Alaaldin M.; Mansour, Sara; Amro, Hamza M.; Pelaz, Beatriz; Soliman, Mahmoud G.; Hinman, Joshua G.; Dennison, Jordan M.; Parak, Wolfgang J.; Murphy, Catherine J. – Journal of Chemical Education, 2017
A simple, reliable, and cost-effective experiment is presented in which students synthesized citrate-capped gold nanoparticles (GNPs), functionalized them with poly(ethylene glycol) (PEG), and transferred the PEG-GNPs from water to the organic phase dichloromethane. The experiment introduces students to nanotechnology with foci on important…
Descriptors: Chemistry, Science Instruction, Science Experiments, College Science
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Koshut, W. J.; Arnold, A. M.; Smith, Z. C.; Wright, Z. M.; Sydlik, S. A. – Journal of Chemical Education, 2019
This work describes a semester-long learning module designed to equip students with the analytical and practical skills necessary to be successful in an interdisciplinary polymer research environment. This learning module combines laboratory experiments involving both synthesis and materials characterization with lectures in polymer theory, and…
Descriptors: Plastics, Hands on Science, Laboratory Experiments, Lecture Method
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Peacock, Jessica L.; FitzPatrick, Kathleen; Finn, Kevin E. – Journal on Excellence in College Teaching, 2020
The authors determined whether positive perceptions of integrating lecture and lab in Anatomy and Physiology courses persisted from 2015-2018. Students (843) and instructors (56) completed the Student Assessment of Their Learning Gains survey; perceptions were positive and consistent between both groups. Participant narratives identified the…
Descriptors: Anatomy, Physiology, Student Attitudes, Academic Achievement
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Stieff, Mike; Werner, Stephanie M.; Fink, Bill; Meador, Dianne – Journal of Chemical Education, 2018
This paper examines the effectiveness of adding an online component to the general chemistry laboratory in which students view prelaboratory instructional materials through online videos prior to completing general chemistry laboratory activities. Using a quasi-experimental design, we compared the performance of 1089 general chemistry students who…
Descriptors: Video Technology, Electronic Learning, Student Improvement, Laboratory Procedures
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Stewart, Katherine M. E. – Journal of Science Education for Students with Disabilities, 2018
This paper summarizes my experience with teaching a first-year, General Chemistry course to a visually impaired student. This includes accommodations and modifications for both the lecture material and the laboratory. Included are also examples of formats and syntax for txt-based quizzes, tests, and laboratory reports, as well as other general…
Descriptors: Teaching Experience, Science Instruction, Chemistry, Visual Impairments
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Passante, Gina; Emigh, Paul J.; Shaffer, Peter S. – Physical Review Special Topics - Physics Education Research, 2015
Superposition gives rise to the probabilistic nature of quantum mechanics and is therefore one of the concepts at the heart of quantum mechanics. Although we have found that many students can successfully use the idea of superposition to calculate the probabilities of different measurement outcomes, they are often unable to identify the…
Descriptors: Science Instruction, Mechanics (Physics), Quantum Mechanics, Scientific Concepts
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Breckler, Jennifer L.; Christensen, Tina; Sun, Wendy – CBE - Life Sciences Education, 2013
Biology students enrolled in a typical undergraduate physiology course encounter Poiseuille's law, a physics equation that describes the properties governing the flow of blood through the circulation. According to the equation, a small change in vessel radius has an exponential effect on resistance, resulting in a larger than expected change in…
Descriptors: Physics, Physiology, Biology, Mathematics Skills
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Collins, Eva-Maria S.; Calhoun, Tessa R. – Journal of College Science Teaching, 2014
This article presents the combination of three enhanced educational approaches for training future scientists. These methods incorporate skills generally not introduced in the freshman year: student-led blackboard introductions; the writing of scientific papers; and the design, execution, and presentation of an independent lab module. We tested…
Descriptors: Science Instruction, College Science, College Freshmen, Lecture Method
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Collison, Christina G.; Cody, Jeremy; Stanford, Courtney – Journal of Chemical Education, 2012
A novel S[subscript N]1-S[subscript N]2 studio-based lab module that incorporates inquiry-based learning was designed and implemented. The studio module was taught in a newly renovated lab space designed with an integrated classroom. The students were divided into two groups for the lesson with one group conducting a studio-module lab and the…
Descriptors: Active Learning, Organic Chemistry, Inquiry, Science Laboratories
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Stephens, Philip J. – Advances in Physiology Education, 2012
An online, lecture/laboratory course in Human Physiology was run in two sections in five consecutive summers. In each year, the two sections were identical in content, assignments, and assessments but were different in duration; the shorter section was 1 mo and the longer section lasted 2 mo. The shorter section had a higher enrollment and a…
Descriptors: Distance Education, Online Courses, Physiology, Pretests Posttests
Matz, Rebecca L. – ProQuest LLC, 2012
Chapter 1: The role of cell division in protein expression is important to understand in order to guide the development of better nonviral gene delivery materials that can transport DNA to the nucleus with high efficiency for a variety of cell types, particularly when nondividing cells are targets of gene therapy. We evaluated the relationship…
Descriptors: Science Instruction, Chemistry, Genetics, Science Experiments
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Ghaffari, Shahrokh – Journal of College Science Teaching, 2011
Demonstrations are used in chemistry lectures to improve conceptual understanding by direct observation. The visual aid described here is designed to demonstrate the change in state of matter with the change of temperature and the change of pressure with temperature. Temperature is presented by the rate of airflow and pressure is presented by…
Descriptors: Visual Aids, Climate, Chemistry, Lecture Method
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Yoder, Garett; Cook, Jerry – Journal of STEM Education: Innovations and Research, 2014
The Department of Physics at EKU [Eastern Kentucky University] with support from the National Science Foundations Course Curriculum and Laboratory Improvement Program has successfully converted our entire introductory physics sequence, both algebra-based and calculus-based courses, to an activity-based format where laboratory activities,…
Descriptors: Physics, College Science, Science Laboratories, Laboratory Experiments
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