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Peer reviewed
Direct linkJixin Wang; Wenshui Zhou; Yin Li; Mei Yu; Zheng Zhu – Journal of Chemical Education, 2024
By hosting a college students' laboratory skills contest, we provide an interesting activity for students to cultivate good laboratory practices and thereby improve their laboratory skills. The substance of this contest is the detection of the hardness of water, which involves numerous laboratory skills such as solution preparation, weight by…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Laboratory Experiments
Naoto Shirasu; Shin'ichiro Yasunaga – Biochemistry and Molecular Biology Education, 2024
Here, we propose a laboratory exercise to quickly determine single nucleotide polymorphisms (SNPs) in human "alcohol dehydrogenase 1B (ADH1B)" and "aldehyde dehydrogenase 2 (ALDH2)" genes involved in alcohol metabolism. In this exercise, two different genotyping methods based on polymerase chain reaction (PCR), namely…
Descriptors: Genetics, Biochemistry, Students, Science Instruction
Mulford, Douglas R. – Journal of Chemical Education, 2021
The liquid nitrogen cloud demonstration is an effective, dramatic, large-scale demonstration to illustrate gas laws and cloud/fog (aerosol) formations for classes and large-scale outreach events. When performed at full scale, it is common to produce a cloud 20-30 feet in height. Its effect can be further enhanced by adding brightly colored…
Descriptors: Science Instruction, Chemistry, Demonstrations (Educational), Scientific Concepts
Download full textTyler A. Shaffer; Carlos U. Herrada; Avery M. Walker; Laura D. Casto-Boggess; Lisa A. Holland; Timothy R. Johnson; Megan E. Jones; Yousef S. Elshamy – Journal of Chemical Education, 2023
Electrophoresis is integral to analytical and biochemistry experiences in undergraduate education; however, fundamental principles of the method are often taught in upper-level laboratories through hands-on experiences. A laboratory activity is reported that teaches the concepts of electrophoretic mobility and electroosmotic flow. A single…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Cost Effectiveness
Jacob Jan Markut; Jordi Cabana; Neal P. Mankad; Donald J. Wink – Journal of Chemical Education, 2023
A symmetry activity using student-built models was developed in line with faculty-developed pedagogical goals and a collaborative learning framework. The activity took place in a 3-h laboratory portion of an upper-division inorganic chemistry course. It required students to identify symmetry elements for seven molecules using common 2D…
Descriptors: Models, Inorganic Chemistry, Science Activities, Science Instruction
Jorge Sa´iz; Javier Rupe´rez-Pascualena – Journal of Chemical Education, 2023
Here, we present a laboratory activity in which the students work on an analysis of a questioned document that was written with one out of five possible pens. As a forensics study, the activity applied chemistry and analytical chemistry tools to solve the case. The students were able to apply polarity and solubility concepts to select and discard…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Crime
Goeltz, John C.; Cuevas, Lia A. – Journal of Chemical Education, 2021
Acid-base titration laboratories are perennially offered to general chemistry students in preparation for summative assessments of their hands-on and quantitative skills in the field. Here, we present a guided inquiry-based activity focused on total titratable acidity (TTA) as alternative to standard "cookbook" titration laboratory work.…
Descriptors: Science Instruction, Laboratory Training, Science Laboratories, Inquiry
Omar A. El Seoud; Nicolas Keppeler; Daiana M. F. Sandrini; Giovanni R. Morselli – Journal of Chemical Education, 2023
An active-learning approach was employed in a project for our chemistry major students on the synthesis of biodiesel (BD) from an Amazon region oil. The project, involving activities in class and in the laboratory, was given during 8 weeks of the spring semester of 2022. The students were asked about their previous contact with the synthesis and…
Descriptors: Chemistry, Science Laboratories, Majors (Students), Undergraduate Students
Yada Nolvachai; Junaida Shezmin Zavahir; Riley Herron; Philip John Marriott – Journal of Chemical Education, 2023
An approach to online laboratory exercises for analytical chemistry students with demonstrated practical exercises through the use of remote-controlled gas chromatography (GC) instrumentation is discussed. The approach allows for a practical-based learning activity to be carried out by students who are unable to attend in-person laboratory…
Descriptors: Laboratory Experiments, Chemistry, Science Instruction, Electronic Learning
Kylie L. Luska – Journal of Chemical Education, 2023
A multioutcome, discovery-based column (CC) and thin layer chromatography (TLC) experiment has been designed for introductory organic chemistry. Multiple outcomes were established using commercially available two- and three-component analgesic medications based on acetaminophen, acetylsalicylic acid (aspirin), and ibuprofen. A series of 11…
Descriptors: Chemistry, Science Experiments, Organic Chemistry, Introductory Courses
Riccardi, Pierfrancesco; Romano, Vittorio; Pellegrino, Francesco – Physics Education, 2022
This work documents the collaboration between the Physics department of the University of Calabria and some schools of the region in a project devoted to recovering disused instrumentation in school laboratories. The project has been conceived as a workplace experience for the students, i.e. a learning experience in a real work place. In Italy,…
Descriptors: Physics, College Science, College School Cooperation, Science Laboratories
Kim, Kiernan F.; White, Peta J.; Long, John M.; Saw, Jessica – Teaching Science, 2020
Volumetric titrations are an accurate and precise analytical method, which explains their use in industrial and research settings and their inclusion in senior secondary chemistry curricula around the world. Students often have difficulty understanding the intricacies of titrations because they are novices being presented with a long list of…
Descriptors: Secondary School Students, Secondary School Science, Science Instruction, Chemistry
Abu Hannifa Abdullah; Ashwin Charles; Zulhelmi Ismail – Journal of Chemical Education, 2023
Recently, smart sensing/actuation paper has attracted significant interest due to its potential usage as a sustainable component in future electronics, robotics, and intelligent sensing devices. In acknowledging the importance of this topic for the engagement of students at the university level in conjunction with Industrial Revolution 4.0, it is…
Descriptors: Chemistry, Science Experiments, Scientific Concepts, Electronics
Marisa Freitas; Carina Proenc¸a; Daniela Ribeiro; Maria Beatriz Quinaz-Garcia; Alberto N. Arau´jo; Eduarda Fernandes – Journal of Chemical Education, 2023
Enzymes, enzymatic kinetics, and enzyme inhibition are topics covered in undergraduate biochemistry textbooks, having perceptible relevance to everyday life. The experimental use of enzymes involved in basic physiologic processes may be of utmost pedagogic interest because they bring evidence on how a significant number of drugs are used to…
Descriptors: Biochemistry, Undergraduate Study, Laboratory Experiments, Science Instruction
Faville, Scott C.; Harris-Hamdscomb, Kes; Harker, Owain; Mattison, Stephanie; Tamorite, Hajie; Bristowe, Joshua; Daly, Daniel; Ege, Raissa; He, Haoyuan; Jones, Julian; McCorkindale, Abby; Mei, Kerry; Monson, Ashleigh; Moree, Lana; Perkovic, Finley; Rickerby, Georgia; Robinson, Jack; Rudkin, Felix; Whibley, Luke; Worthington, Rebecca; Ennis, Courtney; de la Harpe, Sara; Brind, Thomasin; Hopkins, Andrew; Winefield, Kaleb; Hendrickx, Sarah; Caljon, Guy; Perry, Benjamin; Vernall, Andrea J. – Journal of Chemical Education, 2022
An undergraduate laboratory was developed as part of the Drugs for Neglected Diseases "initiative's" Open Synthesis Network. This activity aimed to develop new compounds efficacious against visceral leishmaniasis. Students successfully synthesized, purified, and characterized ten different benzoxazole amides that were sent for biological…
Descriptors: College Science, Undergraduate Students, Laboratory Experiments, Diseases
