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Direct linkNaoto 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
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
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
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
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
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
Lunelli, Bruno; Baroncini, Massimo – Journal of Chemical Education, 2020
The design and operation of an inverted cone, scalable vapor condenser, drawing cooling air from beyond the boundary layer and optionally working as a part of a gastight setup, are described and discussed. Besides its main use as a reflux condenser, it can also be used in one-plate distillations.
Descriptors: Chemistry, Science Activities, Laboratory Experiments, Laboratory Equipment
Maggie Ludwig; Joseph K. West – Journal of Chemical Education, 2023
A straightforward protocol for the preparation of the colorful and air-stable diphenyl ditelluride is described. In one laboratory session, students isolate their product and characterize it via melting point determination, mass spectrometry, and NMR spectroscopy ([superscript 1]H, [superscript 13]C{[superscript 1]H}, and [superscript…
Descriptors: Chemistry, Science Instruction, Inorganic Chemistry, Organic Chemistry
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
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
Rodrigues, Marcelo José; Simeão Carvalho, Paulo – Physics Education, 2022
Nowadays, students have digital skills that are much larger than any other student in the past. Traditional experiments in a real laboratory are still fundamental, however an increasing number of computers can be used to simulate experiments close to the experimental environment. This can be seen as a great advantage for science learning, as…
Descriptors: Computer Simulation, Science Experiments, Science Activities, Physics
