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Direct linkJorge 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
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
Jixin 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
Mo´nica I. Garci´a-Aranda; Marco Franco-Pe´rez; Angel Zamudio-Medina – Journal of Chemical Education, 2023
Heterocyclic compounds are an integral part of research, particularly in the pharmaceutical field. The synthesis of such compounds in an undergraduate laboratory can help students understand the relevance and importance of their field of study. Our experimental activity introduces a novel procedure to synthesize coumarin, a heterocyclic formed by…
Descriptors: Undergraduate Students, College Science, Chemistry, Laboratory Experiments
Larouche, Olivier; Jolicoeur, Ludovic; Calosi, Piero – Journal of Biological Education, 2020
Changes in environmental conditions can have a profound impact on organismal processes. For aquatic organisms, changes in dissolved oxygen concentration can have major repercussions, notably for physiological processes that have high long-term energetic costs and are more likely to rely on aerobic metabolic pathways. Here we propose a simple…
Descriptors: College Science, Science Activities, Marine Biology, Science Instruction
Siddiqui, Khawar S.; Poljak, Anne; Ertan, Haluk; Bridge, Wallace – Biochemistry and Molecular Biology Education, 2022
Determination of enzyme activity is crucial for discovery, research, and development in life sciences. The activity of enzymes is routinely determined using spectrophotometric assays that measure rates of substrate consumption or product formation. Though colorimetric-based detection systems are simple, rapid, and economical to perform, the…
Descriptors: Biochemistry, Biological Sciences, College Science, Heat
Beatriz Carrasquer-Álvarez; Adrián Ponz-Miranda – Journal of Biological Education, 2024
Research into seed germination classroom activities has been common in the last few decades. Didactic proposals have generally focused on the implementation of guided activities in a specific educational stage and context, and an evaluation of the results. However, it is not evident that students approach seed and germination concepts with a…
Descriptors: Foreign Countries, Preservice Teachers, Elementary School Students, Plants (Botany)
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
Erin M. Ball; Robin A. Costello; Cissy J. Ballen; Rita M. Graze; Eric W. Burkholder – CBE - Life Sciences Education, 2024
Racial biases, which harm marginalized and excluded communities, may be combatted by clarifying misconceptions about race during biology lessons. We developed a human genetics laboratory activity that challenges the misconception that race is biological (biological essentialism). We assessed the relationship between this activity and student…
Descriptors: Race, Genetics, Misconceptions, Undergraduate Students
Keira D. Naff; Jeri L. Tyler; Dima H. Hamza; Jonathan D. White – Journal of Chemical Education, 2023
Structure--activity relationships are foundational concepts in biochemistry and drug design. Despite their importance, it can be difficult to create and execute laboratory activities that allow students to directly observe the interactions between small-molecule drugs and their biomolecular targets. Here, we report an activity that investigates…
Descriptors: Genetics, Undergraduate Students, Undergraduate Study, College Science
Dounay, Amy B.; O'Donnell, Martin J.; Samaritoni, J. Geno; Popiolek, Lukasz; Schirch, Douglas; Biernasiuk, Anna; Malm, Anna; Lamb, Isaac W.; Mudrack, Kristen; Rivera, Daniel G.; Ojeda, Gerardo M.; Scott, William L. – Journal of Chemical Education, 2019
An experiment for the synthesis of N-acyl derivatives of natural amino acids has been developed as part of the Distributed Drug Discovery (D3) program. Students use solid-phase synthesis techniques to complete a three-step, combinatorial synthesis of six products, which are analyzed using LC-MS and NMR spectroscopy. This protocol is suitable for…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Experiments, Pharmacology
Cybulskis, Viktor J.; Gawecki, Piotr; Zvinevich, Yury; Gounder, Rajamani; Ribeiro, Fabio H. – Journal of Chemical Education, 2021
A versatile and portable apparatus was developed to demonstrate exciting visual displays of catalytic phenomena that introduce basic concepts in catalysis, renewable energy, and chemical safety, in order to pique scientific curiosity in a variety of audiences including middle and high school students, undergraduate and graduate students, and the…
Descriptors: Science Instruction, Chemistry, Scientific Concepts, Concept Formation
Shardula Gawankar; Susan J. Masten – Journal of Chemical Education, 2023
A laboratory experiment was designed and implemented in a STEM teaching laboratory at Michigan State University to engage students in an activity that not only introduced an innovative nitrate detection technique but also addressed one of the negative impacts of climate change, that is, the eutrophication of water bodies. The adverse effects of…
Descriptors: Laboratory Experiments, STEM Education, Science Activities, Climate
Waleed Alahmad; Somsak Pianwanit; Luxsana Dubas; Charoenkwan Kraiya – Journal of Chemical Education, 2023
The COVID-19 pandemic has significantly affected teaching processes worldwide, particularly in laboratory-intensive courses. To adapt, online experiments have been implemented globally. In response, educators at the Department of Chemistry, Chulalongkorn University, developed a Lab@Home chemistry experiment for their general chemistry lab course…
Descriptors: Chemistry, Science Laboratories, Laboratory Experiments, Scientific Concepts
Thomas, N. Lizabeth; Harakas, George N. – Journal of Chemical Education, 2021
Lampworking is a valuable skill for students in Chemistry and others in science, technology, engineering, and math (STEM) related fields. The activity described here provides instructors the resources to both learn and teach the fundamentals of lampworking. Soft glass, which can be shaped and fused with a Bunsen burner, is used to improve the…
Descriptors: Structural Elements (Construction), Teaching Methods, Chemistry, Hands on Science
