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Chiara Theresa Vey; Viola Kaygusuz; Josefa Sophia Kayser; Andreas Beyer – Biochemistry and Molecular Biology Education, 2024
As a rule, an experiment carried out at school or in undergraduate study courses is rather simple and not very informative. However, when the experiments are to be performed using modern methods, they are often abstract and difficult to understand. Here, we describe a quick and simple experiment, namely the enzymatic characterization of ptyalin…
Descriptors: Science Experiments, Human Body, Metabolism, Undergraduate Study
Mahaveer Genwa; Jyoti Singh; Alka Rani; Kushagra Yadav; Chetna Angrish – Journal of Chemical Education, 2024
Photochemical reactions are initiated by the absorption of light, triggering the chemical reactions and resulting in the formation of products. These reactions are generally performed using a freely available renewable source of energy-solar energy. Solar simulators mimic both the ultraviolet and visible regions of sunlight and hence can serve as…
Descriptors: Chemistry, Science Instruction, Undergraduate Study, Science Laboratories
Anne de Poulpiquet; Neso Sojic; Laurent Bouffier; Alexander Kuhn; Dodzi Zigah – Journal of Chemical Education, 2023
Electrochemistry is taught in most undergraduate chemistry programs. Although this topic is important for students due to its broad interest in industry (energy, diagnostics, car industry, etc.), they often find it difficult, because it is based on a combination of various physical concepts such as electric fields, interfacial processes or charge…
Descriptors: Chemistry, Science Instruction, Undergraduate Study, College Science
Vera, Francisco; Rivera, Rodrigo; Ortiz, Manuel; Horta-Rangel, Francisco Antonio – Physics Teacher, 2022
Electrification by rubbing different materials is a well-known phenomenon with a history that began more than five centuries B.C. ago. However, simple experiments can lead to contradictory or inconsistent results, and the history of this phenomena is plagued with non-intuitive results. For example, triboelectric charging by rubbing identical…
Descriptors: Science Instruction, Physics, Scientific Concepts, Concept Formation
Armaghan Shafaei; Hayley Abbiss; Sophie Coutts; Mark Bannister; Janine Bruemmer; Mary C. Boyce – Journal of Chemical Education, 2022
A student experiment that uses QuEChERS (quick, easy, cheap, effective, rugged, and safe) methodology for extraction and HPLC for quantitative determination of tocopherols from seeds and nuts is described here. Chromatographic separation is achieved by using a pentafluorophenyl stationary phase which gives enhanced separation of the tocopherols…
Descriptors: Science Instruction, Science Laboratories, Chemistry, Laboratory Procedures
Bang Lin Li; Liyu Peng; Cheng-Bin Gong; Jing Rong Chen; Hao Lin Zou; Hong Qun Luo; Nian Bing Li – Journal of Chemical Education, 2022
Recently, two-dimensional (2D) nanostructures, such as graphene and few-layer MoS[subscript 2], have been applied to wide fields based on their intriguing performances, and they contribute to developments of clean energy, biomedicine, and environmental protection. The synthesis of 2D nanostructures involves chemistry, materials, and…
Descriptors: Chemistry, Science Instruction, Science Experiments, Undergraduate Study
Oliver W. M. Baldwin; Linden H. Conrad-Marut; Gregory L. Beutner; David A. Vosburg – Journal of Chemical Education, 2022
A new undergraduate organic laboratory experiment has been developed for amide bond formation between biorenewable 2-furoic acid and either of two substituted piperazines to prepare medicinally relevant amide products using a procedure with industrial significance. The reactions proceeded smoothly under ambient conditions using the combination of…
Descriptors: Undergraduate Study, Organic Chemistry, Science Laboratories, Laboratory Experiments
Borish, Victoria; Lewandowski, H. J. – Physical Review Physics Education Research, 2023
As quantum information science and technology (QIST) is becoming more prevalent and occurring not only in research labs but also in industry, many educators are considering how best to incorporate learning about quantum mechanics into various levels of education. Although much of the focus has been on quantum concepts in nonlab courses, current…
Descriptors: Science Instruction, Undergraduate Study, Science Laboratories, Quantum Mechanics
Wathen, Bailee; Lanehart, Emily; Woodis, Lena A.; Rojas, Anthony J. – Journal of Chemical Education, 2021
This three-part laboratory experiment investigates key aspects of the Buchwald-Hartwig amination cross-coupling reaction through guided-inquiry learning strategies. The first part of this experiment utilizes high-throughput experimentation techniques to reinforce, explore, and extend fundamental concepts that are represented in the classroom,…
Descriptors: Science Laboratories, Laboratory Experiments, Science Experiments, Undergraduate Study
Bolay, Austin L.; Hiester, William; Davis, Nicole Y.; Weiland, Mitch H. – Journal of Chemical Education, 2020
Polymers are ubiquitous and essential to modern society, which is why the American Chemical Society has mandated inclusion of polymer chemistry in the undergraduate curriculum. To meet this requirement, we have chosen to weave a polymeric theme through multiple laboratory courses beginning with organic chemistry, where students use aspartic acid…
Descriptors: Science Instruction, Chemistry, Plastics, Science Experiments
Huo, Hai-Yan; Liu, Yi-Wei; Yuan, Min; Lu, Ying; Wang, Jie; Zhu, Guang-Shan; Liu, Shu-Xia – Journal of Chemical Education, 2021
In this laboratory experiment, the synthesis and characterization of H[subscript 5]PV[subscript 2]Mo[subscript 10]O[subscript 40]@Cu[subscript 3](BTC)[subscript 2] (denoted as NENU[subscript -9], H[subscript 3]BTC = 1,3,5-benzenetricarboxylic acid) and its application in fuel desulfurization were performed. This experiment is designed for advanced…
Descriptors: Science Laboratories, Science Experiments, Laboratory Experiments, Chemistry
Burkova, Irina; Ilin, Eduard; Belov, Alexander N.; Bezryadin, Alexey – Physics Education, 2021
Induced seismicity has received a lot of attention in recent years. This new natural phenomenon appeared as a result of active human influence on nature. The phenomenon has been detected in places of natural gas and oil recovery, and geological storage of CO[subscript 2]. One of the main reasons for the observed seismic activity is associated with…
Descriptors: Science Instruction, Seismology, Geology, Scientific Concepts
Kajiya, Daisuke – Journal of Chemical Education, 2021
This paper provides seven topics on sodium hydrogen carbonate (NaHCO[subscript 3]) and its ions for readers looking for familiar material phenomena to strengthen students' understanding of the chemical concepts of thermodynamics. The first concept is the ideal gas law, followed by the van't Hoff equation, Gibbs energy, pH change, chemical…
Descriptors: Science Instruction, Chemistry, Thermodynamics, Concept Formation
White, Gary; Sikorski, Tiffany-Rose; Landay, Justin; Ahmed, Maryam – Physical Review Physics Education Research, 2023
Limiting case analysis (LCA) is important to practicing physicists. Yet, there is little concrete guidance for physics educators, and a lack of consensus in the research community about how to help students learn, and learn from, limiting case analysis. In this study, we first review existing literature to find commonalities and variations in how…
Descriptors: Energy, Magnets, Physics, Science Education
Ani Nvehr Davis; Stephan Georgiev Michaelov; Clayton Joshua Rogers; Leighann Rose Weber; Brycelyn Marie Boardman; Gretchen Marie Peters – Journal of Chemical Education, 2022
Polymer chemistry is an important subject in the undergraduate chemistry curriculum. It is required for ACS-certified degrees and significantly connects to real world issues like the plastic waste crisis. While some concepts of polymer chemistry can be incorporated into lecture courses, students' understanding of material properties and…
Descriptors: Chemistry, Plastics, Undergraduate Study, College Science