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Alain M. Beauparlant; Cassandra T. Eagle; Reza Mohseni; Colin D. McMillen – Journal of Chemical Education, 2023
We developed a single crystal X-ray crystallography experiment based on the crystal structure of sucrose (table sugar), and a more challenging experiment using Epsom salt. Both crystals are readily available in X-ray quality crystalline form. In these experiments, students mounted a crystal on a MiTeGen loop and analyzed it using a Rigaku XtaLAB…
Descriptors: Undergraduate Students, COVID-19, Pandemics, Laboratory Procedures
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John P. Morgan; Elizabeth E. Torres; Richard Averill; Alex M. Brody – Journal of Chemical Education, 2023
The benzoin condensation of benzaldehyde is a staple of the undergraduate organic chemistry laboratory, introducing the current topic of nucleophilic carbene organocatalysis. Our procedure makes notable improvements to current practice, including the elimination of solvent waste and an "18-fold reduction of reaction time." We have…
Descriptors: Science Instruction, Organic Chemistry, Laboratory Experiments, Laboratory Procedures
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Kelly A. Richardson; Rachel A. Harris; Kimberly L. Anderson; Rena~ A.S. Robinson; John A. McLean; Susan Denise Verberne-Sutton – Journal of Chemical Education, 2023
Even though scientific communication and collaboration play critical roles in academic success, they often come in second to teaching laboratory fundamentals. COVID-19 associated capacity constraints forced our program to reexamine the traditional laboratory instruction paradigm by limiting physical attendance, as well as laboratory duration.…
Descriptors: Chemistry, Science Instruction, COVID-19, Pandemics
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Roberto I. Esponda-Vela´squez; Bryan A. Rivera-Marti´nez; Renata M. Valle-Sua´rez; Henry D. Ponce-Rodri´guez – Journal of Chemical Education, 2023
Since the appearance of the COVID-19 pandemic and its subsequent stage, the changes produced in the chemistry teaching process have allowed educators to use a wide range of strategies, methodologies, and tools to promote student learning. To carry out laboratory practices, some strategies reported include the use of simulators and educational…
Descriptors: COVID-19, Pandemics, Chemistry, Science Instruction
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Seaton, K. M.; Stockton, A.; O'Mahony, C. – Journal of Chemical Education, 2021
Capillary electrophoresis is a powerful separation tool with a wide range of analytes for diverse applications and is compatible with various detection methods. While some more established separation techniques like gas or liquid chromatography are utilized heavily in analytical chemistry laboratory courses, newer commercial capillary…
Descriptors: Undergraduate Students, Science Laboratories, Laboratory Experiments, Laboratory Procedures
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Birch, Stephen M. I.; Bates, Joanna; Bell, Michael; Christofidou, Katerina A.; Corkhill, Claire L.; Hearnden, Vanessa; Lopez, Elisa Alonso; Mason, Louise C.; Southworth, Amanda; Dean, Julian S. – Physics Education, 2021
During the coronavirus pandemic, there have been significant challenges in the remote teaching and demonstration of experiments, especially those that require laboratory testing equipment. With a desire to give students a feel for our materials laboratory on open days and allow them to gain a deeper understanding of what materials science and…
Descriptors: Physics, COVID-19, Pandemics, Demonstrations (Educational)
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Chen, Stefanie H. – Biochemistry and Molecular Biology Education, 2022
The COVID-19 pandemic forced many courses to move online, presenting a particular challenge for hands-on laboratory courses. One such course in our Biotechnology track is an advanced Protein Interactions lecture/laboratory course. This 8-week course typically meets for 5 h a week in the laboratory space. For the Fall 2020 version of the course,…
Descriptors: Distance Education, Laboratory Experiments, Science Instruction, Video Technology
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Kosenkov, Yana; Kosenkov, Dmitri – Journal of Chemical Education, 2021
A novel technology that employs computer vision (CV) to carry out an automatic titration experiment is presented. The experiment is designed to facilitate understanding of the basics of the CV technology and its application in chemistry among undergraduate students. The standard chemical procedure of titration has been chosen, since it is…
Descriptors: Undergraduate Students, Chemistry, Computer Uses in Education, Science Experiments