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Shahrokh Saba; James A. Ciaccio; Pooja Grewal – Journal of Chemical Education, 2024
In this second-semester organic chemistry lab experiment, students work collaboratively using a combination of chemical synthesis and NMR spectroscopy to investigate the diastereoselectivity associated with the Meerwein-Ponndorf-Verley (MPV) reduction of two ketone substrates having carbonyl groups flanked by an [alpha]-chiral carbon with…
Descriptors: Synthesis, Scientific Concepts, Spectroscopy, College Science
Tiefan Huang; Ting Qin; Siren Li; Na Tao; Jianxian Zeng; Ming Wu; Lelin Zeng; Wangdong Zeng; Hu Zhou – Journal of Chemical Education, 2024
This laboratory experiment aims to provide undergraduate students with research experience in water treatment by membrane separation. This experiment includes fabrication and characterization, as well as water treatment applications of the interfacially polymerized polyester nanofiltration membranes. Through participating in this experimental…
Descriptors: Chemistry, Scientific Concepts, Laboratory Experiments, Undergraduate Students
Simin Cheng; Zhuoning Xie; Qingyuan Hu; Yao Qian; Xiaoxiao Ma – Journal of Chemical Education, 2023
This study highlights the importance of incorporating modern mass spectrometry techniques into undergraduate education. By focusing on the structure-characterizing capability of MS, students are able to gain hands-on experience with cutting-edge techniques and better understand how MS can be used to solve real-world problems. The three-step lipid…
Descriptors: Undergraduate Students, Scientific Concepts, Science Instruction, College Science
Adrian Saura-Sanmartin; Jorge Lopez-Sanchez; Carmen Lopez-Leonardo; Aurelia Pastor; Jose Berna – Journal of Chemical Education, 2023
The synthesis of a [2]rotaxane through three- or five-component coupling reactions has been adapted to an organic chemistry experiment for upper-division students. The experimental procedure addresses the search for the most favorable reaction conditions for the synthesis of the interlocked compound, which is obtained in a yield of up to 71%.…
Descriptors: Scientific Concepts, Organic Chemistry, Science Experiments, Spectroscopy
Mark A. Chrisman; Michael J. Goldcamp; Alexis N. Rhodes; Jared Riffle – Journal of Chemical Education, 2023
This report describes a laboratory experiment for an undergraduate-level inorganic chemistry or biochemistry course involving the study of the kinetics of the catecholase activity of a synthetic nickel(II)-oximate complex. A model substrate, 3,5-di-tert-butylcatechol(DBC), undergoes aerobic oxidation to 3,5-di-tert-butylbenzoquinone (DBQ) in the…
Descriptors: Science Laboratories, Science Experiments, Laboratory Experiments, Science Instruction
Hugo Y. Samayoa-Oviedo; Samantha A. Mehnert; Michael F. Espenship; Miranda R. Weigand; Julia Laskin – Journal of Chemical Education, 2023
In both general chemistry and analytical chemistry courses, students are introduced to the concept of predominant species in solution when discussing acid/base chemistry. Speciation diagrams are often used to illustrate the concept and predict the relative abundance of species in solution. Herein, we describe a laboratory experiment for an…
Descriptors: Chemistry, Spectroscopy, Measurement, Visual Aids
Rosalynn Quin~ones; Anette Casiano-Negroni; Haley Pijor; Sara Moreno; Karla Suarez; Tamara D. Westfall; Carrie Sullins; Sarah Ivey; Jose´ A. Buxo´ – Journal of Chemical Education, 2022
Recently, topical products advertising cannabinoid ingredients have gained popularity. Consumers are seeing an increase of commercial products containing ingredients from hemp oil to cannabidiol (CBD) due to health benefit claims. Cosmetic products containing cannabinoids are currently not regulated at the federal level. A laboratory experiment…
Descriptors: Marijuana, Cosmetology, Organic Chemistry, Hands on Science
Alexei Goun; Ksenija D. Glusac – Journal of Chemical Education, 2023
Ultrafast laser spectroscopy is a valuable and increasingly accessible technique for studies of rapid chemical reactions. Critical to ultrafast spectroscopy is the concept of mode locking, a technique that enables a fixed phase relationship between laser modes, resulting in laser pulses with very short duration (in the fs or ps range). Despite the…
Descriptors: Lasers, Spectroscopy, Science Instruction, Chemistry
Siow-Ping Tan; Xin-Yi Keng; Bryan Chi-Wah Lim; Sook Yee Liew; Mohd Azlan Nafiah – Journal of Chemical Education, 2023
Plant-derived natural products are an important source of potential medicines and continue to have a major impact on the drug discovery process. Natural product discovery assignments provide an opportunity to present various experimental techniques to undergraduate students in introductory medicinal chemistry. This assignment was developed to…
Descriptors: Undergraduate Students, College Science, Chemistry, Recycling
Elia Bergamin; Giacomo Fabris; Matteo Neffat; Paola Baron Toaldo; Daniela De Luchi; Renato Bonomi – Journal of Chemical Education, 2023
A class of 18 students attending the last year of an Italian high school was divided into groups and performed the extraction of pigments contained in hibiscus tea. Each group worked at a different temperature and carried out multiple extractions using distilled water as a solvent. By means of UV-vis spectroscopy it was possible to determine the…
Descriptors: Chemistry, Spectroscopy, Scientific Concepts, Secondary School Science
Mei Zhang; Wangmin Hu; Wenjing Liu; Chang Lei; Jun Guo; Hongcai Shang; Junling Hou – Journal of Chemical Education, 2022
Interdisciplinary experiments within chemistry are very important for the improvements in the overall quality of the education received by students. In this work, we describe an interdisciplinary experiment that was successfully completed by undergraduate students. This training integrates multiple disciplines including natural product medicinal…
Descriptors: Science Experiments, Laboratory Experiments, Chemistry, Spectroscopy
Elise K. Wilbourn; Sarah Alrimaly; Holly Williams; Jacob Hurst; Gregory P. McGovern; Todd A. Anderson; Naruki Hiranuma – Journal of Chemical Education, 2023
This paper introduces hands-on curricular modules integrated with research in atmospheric ice nucleation, which is an important phenomenon potentially influencing global climate change. The primary goal of this work is to promote meaningful laboratory exercises to enhance the competence of students in the fields of science, technology,…
Descriptors: Science Instruction, Chemistry, Climate, Science Laboratories
Priya Yadav; Harshita Laddha; Madhu Agarwal; Ragini Gupta – Journal of Chemical Education, 2022
A smartphone-based digital imaging method has been successfully introduced in an undergraduate laboratory class to quantify fluoride ions in water. Students first synthesized the chemosensor (E)-2-(1-(6-nitro-2-oxo-2H-chromen-3-yl)ethylidene)-N-phenylhydrazine-1-carbothioamide (CT) via an eco-friendly and green microwave-assisted protocol and…
Descriptors: Handheld Devices, Telecommunications, Educational Technology, College Science
Stelz-Sullivan, Eleanor J.; Marchetti, Barbara; Karsili, Tolga – Education Sciences, 2022
Computational and atmospheric chemistry are two important branches of contemporary chemistry. With the present topical nature of climate change and global warming, it is more crucial than ever that students are aware of and exposed to atmospheric chemistry, with an emphasis on how modeling may aid in understanding how atmospherically relevant…
Descriptors: Computation, Chemistry, Science Education, Simulation
White, Jacob; Costilow, Kimberly; Dotson, Jacob; Mauldin, Robert; Schanandore, Mattie; Shockley, Denise – Journal of Chemical Education, 2021
In this guided-inquiry lesson, students were tasked with determining the efficacy of an at-home drinking water filter at removing lead (Pb) from tap water using graphite furnace atomic absorption spectroscopy by determining the concentration of lead before and after filtration. The lesson was structured to allow students to choose and perform…
Descriptors: Science Instruction, Science Laboratories, Inquiry, Science Experiments