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Matilynn Lam; Casey Schwarz; Rashi Sharma; Julie Donnelly – Journal of Chemical Education, 2023
Despite the growing importance of nanomaterials in numerous industries, most undergraduate chemistry students are unlikely to encounter characterization techniques common in the field during their education. Scanning electron microscopy (SEM) is a common technique for materials characterization widely used in careers chemistry students are likely…
Descriptors: Science Instruction, Chemistry, College Science, Undergraduate Students
Ricca, John G.; Duersch, Bobby G.; Plaza, Tito S. Sempértegui; Haky, Jerome E. – Journal of Chemical Education, 2022
Elemental analysis is performed in a variety of ways in food and environmental sciences; thus, we have designed an activity in which students gain experience with research-level lab techniques in a real-world context through the quantification of key elements in breakfast cereals using microwave plasma optical emission spectroscopy (MP-OES). The…
Descriptors: Science Instruction, Science Experiments, Science Process Skills, Chemistry
Herasymchuk, Khrystyna; Raza, Rameez; Saunders, Paul; Merbouh, Nabyl – Journal of Chemical Education, 2021
Substitution reactions of alcohols are some of the simplest experiments performed in undergraduate organic chemistry laboratory settings. However, the use of gas chromatography (GC) as an analytical tool for these reactions can be at times laborious and time-consuming. In this work, 1-pentanol, 2-pentanol, 3-pentanol, and 2-methyl-2-butanol were…
Descriptors: Undergraduate Students, College Science, Organic Chemistry, Spectroscopy
Anoshia Khan; Cristina Altamirano; Yousuf Khan; Haroon Saeed; Tyler Moreira; Troy T. Handlovic; Mohammed R. Elshaer; Justin A. Bogart – Journal of Chemical Education, 2023
Many of the current synthetic methodologies utilized within academic and industrial laboratories require knowledge of how to safely handle air- and moisture-sensitive reagents and work under inert atmospheres. As a result, the ACS Committee on Professional Training recommends incorporating synthetic methods that make use of these inert atmospheres…
Descriptors: Undergraduate Students, College Science, Chemistry, Science Process Skills
Adrian Harrison; Gareth Evans; Gonzalo Blanco – Journal of Microbiology & Biology Education, 2024
Within the eukaryotic cell, the actin cytoskeleton is a crucial structural framework that maintains cellular form, regulates cell movement and division, and facilitates the internal transportation of proteins and organelles. External cues induce alterations in the actin cytoskeleton primarily through the activation of Rho GTPases, which then bind…
Descriptors: Biology, Science Instruction, Science Process Skills, Skill Development
Mollar-Cuni, Andre´s; Mejuto, Carmen; Ventura-Espinosa, David; Borja, Pilar; Mata, Jose A. – Journal of Chemical Education, 2021
This work describes a complete laboratory experiment that involves the synthesis of a ruthenium complex [Ru(p-cym)(NHC)Cl[subscript 2]] (NHC = N-heterocyclic carbene) and its use as a catalyst for the coupling of hydrosilanes and alcohols. The hydrogen gas produced in the reaction is measured using an inverted buret to trap the gas which allows…
Descriptors: Undergraduate Students, College Science, Science Instruction, Chemistry
Cedric Loretan; Andreas Mu¨ller – Journal of Chemical Education, 2023
The activity presented here is about an approximate or order-of-magnitude approach to information technology on the nano level, dealing in particular with the genetic code. Based on "There's Plenty of Room at the Bottom", the famous and visionary paper by Richard Feynman, the activity provides insight into a core concept of nanoscience…
Descriptors: Chemistry, Secondary School Science, High School Students, Science Activities
Mark F. Mechelke – Journal of Chemical Education, 2022
A drug discovery project has been successfully implemented in an advanced undergraduate organic chemistry laboratory. In the laboratory, a five-step synthetic sequence is used to prepare five analogues of 13-phenyl-1-tridecanol. These compounds are key precursors in the synthesis of 2-oxo-14-phenyltetradecanes. This class of compounds, isolated…
Descriptors: Organic Chemistry, Science Instruction, Science Laboratories, Student Research
Leri, Alessandra C.; Pavia, Ashley P. – Journal of Chemical Education, 2022
This experiment introduces undergraduate organic chemistry students to analysis and interpretation of Fourier transform infrared (FTIR) spectra through characterization of postconsumer plastics. Students use FTIR spectra to identify and differentiate the common recyclable polymer resins #1-6: polyethylene terephthalate (PETE), polyethylene (HDPE…
Descriptors: Undergraduate Students, College Science, Science Instruction, Organic Chemistry
Joshua W. Reid; Michael L. Rutledge – Bioscene: Journal of College Biology Teaching, 2022
We developed and field-tested an active learning exercise designed to provide biology students with the opportunity to consider key aspects of the nature of science as a method of inquiry, particularly the roles of observation and inference in the development of scientific explanations and how scientists deal with uncertainty. In the activity…
Descriptors: Active Learning, Biology, Science Instruction, Scientific Principles
Moore, Sammi; Gray, Ron; Meilander, Jeff – Journal of College Science Teaching, 2022
Historically, undergraduate anatomy and physiology (A&P) has been a challenging course for incorporating conceptual learning techniques due to large class sizes and an emphasis on content and terminology. The project utilized the Predict-Observe-Explain (POE) strategy to create short activities based on real-world scenarios that incorporated…
Descriptors: Scientific Concepts, College Freshmen, Anatomy, Physiology
Deon T. Miles – Journal of Chemical Education, 2023
Students in a typical instrumental analysis course may learn more than 30 analytical techniques. There are more than 150 components associated with the instrumentation that they learn. To help students organize this large amount of information, we classified these components into four categories: sources, samples, discriminators, and detectors. In…
Descriptors: Pictorial Stimuli, Science Instruction, Teaching Methods, Science Education
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
Vaclav Matousek; Radek Matuska; Tomas Vranka; Martin Adamec; Tadeas Herentin; Jiri Kalacek; Jan Havlik – Journal of Chemical Education, 2023
Triboluminescence is a fascinating phenomenon that can engage students' interest in chemistry. However, safe, cost-effective, and accessible laboratory experiments featuring highly triboluminescent substances are limited. To bridge this gap, we present a simple, rapid, semimicro test tube preparation of the visually engaging manganese complex…
Descriptors: Secondary School Science, College Science, Chemistry, Science Instruction