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Direct linkDavid L. Myers; Marc Hill; Brooke Baughman; Eugene T. Smith – Journal of Chemical Education, 2023
This exercise encompassed the construction and use of a microcontroller-based laser refractometer. The instrument, which does not require a high skill level to build, primarily consisted of a line laser, optical sensor, several 3-D printed parts and printed circuit boards, and a microcontroller development board. Construction and testing of the…
Descriptors: Open Education, Lasers, Shared Resources and Services, Printing
Fisher, Aidan A.E. – Journal of Chemical Education, 2019
Computational approaches toward simulating chemical systems and evaluating experimental data has gathered great momentum in recent years. The onset of more powerful computers and advanced software has been instrumental to this end. This manuscript presents a hands-on activity which trains students in basic coding skills within the Matlab…
Descriptors: Computer Software, Chemistry, Quantum Mechanics, Energy
Garrido-Gonza´lez, Jose´ J.; Trillo-Alcala´, María; Sa´nchez-Arroyo, Antonio J. – Journal of Chemical Education, 2018
The generation of secondary colors in digital devices by means of the additive red, green, and blue color model (RGB) can be a valuable way to introduce students to the basics of spectroscopy. This work has been focused on the spectral separation of secondary colors of light emitted by a computer screen into red, green, and blue bands, and how the…
Descriptors: Science Instruction, Spectroscopy, Color, Educational Technology
Campbell, Dean J.; Peterson, Joshua P.; Fitzjarrald, Tamara J. – Journal of Chemical Education, 2013
These laboratory experiments are designed to familiarize students with concepts of spectroscopy by using sound waves. Topics covered in these experiments include the structure of nitinol alloys and polymer chain stiffness as a function of structure and temperature. Generally, substances that are stiffer or have higher symmetry at the molecular…
Descriptors: Spectroscopy, Acoustics, Familiarity, Laboratory Experiments
Bakhtiar, Ray – Journal of Chemical Education, 2013
Surface plasmon resonance (SPR) spectroscopy is a powerful, label-free technique to monitor noncovalent molecular interactions in real time and in a noninvasive fashion. As a label-free assay, SPR does not require tags, dyes, or specialized reagents (e.g., enzymes-substrate complexes) to elicit a visible or a fluorescence signal. During the last…
Descriptors: Chemistry, Science Instruction, Spectroscopy, Biochemistry
Simpson, Andre J.; Shirzadi, Azadeh; Burrow, Timothy E.; Dicks, Andrew P.; Lefebvre, Brent; Corrin, Tricia – Journal of Chemical Education, 2009
A laboratory experiment designed as part of an upper-level undergraduate analytical chemistry course is described. Students investigate two popular soft drinks (Red Bull Energy Drink and sugar-free Red Bull Energy Drink) by NMR spectroscopy. With assistance of modern NMR prediction software they identify and quantify major components in each…
Descriptors: Prediction, Organic Chemistry, Computer Software, Laboratory Experiments
