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Lianwen Zhu – Journal of Chemical Education, 2024
A chemistry laboratory experiment is described to introduce undergraduate college students to membrane separation technology. This experiment combines a simple nanowire membrane fabrication and visually indicated molecule separation. The membrane is produced via coprecipitation synthesis followed by a filtration assembly process, which can be…
Descriptors: Chemistry, Science Instruction, Laboratory Experiments, Undergraduate Students
Slonecker, Patrick; Vonderheide, Anne P. – Journal of Chemical Education, 2022
The use of mass spectrometry (MS) is becoming widespread and rather routine in all levels of industry, government, and academia. Coupled with chromatographic methods, this powerful instrumental technique can be used to elucidate the composition of a complex sample and definitively identify constituents while offering the benefits of high-precision…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Undergraduate Students
Chang Chen; Yan Jin; Guangqing Liu – Journal of Chemical Education, 2024
Given the severe pollution caused by traditional plastics, biodegradable plastic products (BPPs) have received great attention and are appearing in people's lives in the form of packaging bags, tableware, etc. Whether a wide variety of BPPs can truly degrade depends on the environment. Aerobic composting is the arbitration method to evaluate the…
Descriptors: Undergraduate Students, Biochemistry, Science Instruction, Chemistry
Zvart Ajoyan; Christopher Copeman; Hudson A. Bicalho; Jean-Louis Do; Tiffany Te; Jennifer Romero; Ashlee J. Howarth – Journal of Chemical Education, 2023
Metal-organic frameworks (MOFs) are a class of porous materials that are often crystalline with high surface area and structural tunability. In this laboratory experiment designed for inorganic chemistry students at the undergraduate level, students complete a two-step experiment where they will first (i) synthesize two isostructural…
Descriptors: Undergraduate Study, Laboratory Experiments, Science Instruction, Chemistry
Ylva Hamnell-Pamment – Chemistry Education Research and Practice, 2024
Navigating the observational, symbolic, and theoretical knowledge domains of chemistry is crucial for chemistry sensemaking. However, this has been shown to be particularly challenging for students of chemistry. In order to reach government standards for sensemaking in the chemistry subject, it is important to investigate how chemistry teachers…
Descriptors: Chemistry, Science Instruction, Secondary School Students, Scientific Concepts
Carmen Velez; Kristie Cheng; Sabrina Woodward; Noor Nazeer; Gabriela Nicole Hislop Gomez; Cody O. Crosby – Journal of Chemical Education, 2024
Many undergraduate chemistry and biochemistry students pursue careers in healthcare. Biomaterials, designed to harmonize with the complexity of the human body, have become increasingly significant in medicine as implants, drug delivery vehicles and tissue scaffolds. We believe it is essential that undergraduates are exposed to biomaterial…
Descriptors: Chemistry, Scientific Concepts, Medicine, College Science
Ross Andrew Shalliker; Corey Manwaring – Journal of Chemical Education, 2023
Performing HPLC-based experiments in the undergraduate practical classroom is difficult because of the time required to perform an analysis. This limits the type of practical to one that undertakes a simple quantitative analysis. However, with the use of sophisticated simulators, such as the one employed in this exercise, more complex experiments…
Descriptors: Undergraduate Students, Science Instruction, Chemistry, Laboratory Experiments
Antonio Rosales Marti´nez; Ignacio Rodri´guez-Garci´a; Josefa L. Lo´pez-Marti´nez – Journal of Chemical Education, 2022
Green chemistry is finding its place as one of the most essential study topics in the curriculum of future chemists and chemical engineers. Experiments that meet green chemistry principles contribute to make the laboratory a safer working place, generate less waste, and allow students to increase their knowledge in new environmentally friendly…
Descriptors: Chemistry, Laboratory Experiments, Laboratory Procedures, Teaching Methods
Maria Cerrato-Alvarez; Samuel Frutos-Puerto; Eduardo Pinilla-Gil – Journal of Chemical Education, 2024
Calculating analytical uncertainties as a part of method validation is a relevant aspect of field and laboratory practices in instrumental analytical chemistry subjects, which usually require complex algorithms. This work describes the development and didactic use of an automatic and straightforward informatics tool, implemented in an Excel macro,…
Descriptors: Computation, Computer Software, Teaching Methods, Knowledge Level
Yulieth D. Banguera-Ordon~ez; Amadeo Sena-Torralba; Sara Martorell-Tejedor; Ana Hernanz-Grimalt; A´ngel Maquieira; Sergi Morais – Journal of Chemical Education, 2024
The lateral flow immunoassay (LFIA) is a simple and cost-effective rapid diagnostic test designed for the on-site detection of disease biomarkers. In the context of introducing this technique to undergraduate biotechnology students, we propose a comprehensive 5 h laboratory experiment. This experiment covers various aspects, including the…
Descriptors: Science Education, Chemistry, Biotechnology, Undergraduate Study
Michelle Wiebel; Kathrin Bensberg; Luca Wende; Rebecca Grandrath; Kathrin Plitzko; Claudia Bohrmann-Linde; Stefan F. Kirsch; Nils Helge Schebb – Journal of Chemical Education, 2024
Triterpenic acids (TA), a class of triterpenoids, are widely distributed as secondary metabolites in plants. They have a pentacyclic structure and show high structural diversity. In this work, a simple but efficient method for extraction and detection of TA derivatives from apple peels is described. The method is technically straightforward and…
Descriptors: Chemistry, Plants (Botany), Teaching Methods, Undergraduate Study
Sobiya Khursheed; Zahid Hussain; Aasiya Gul; Muhammad Aabid Shah; Afzal Hussain; Mohamed F. Alajmi; Prince Firdoos Iqbal; Nusrat Rashid; Rayees Ahmad Shiekh; Jahangir Ahmad Rather; Akhtar Hussain Malik; Waseem A. Wani – Journal of Chemical Education, 2024
Titration is an important experimental skill that every chemistry educator and learner must master. Titration is often the method of choice in the science laboratory courses in secondary and postsecondary schools. During acid-base titration, chemistry learners are always told about salt formation. However, a practical visualization of the salt…
Descriptors: Secondary School Science, Secondary School Students, Undergraduate Students, Chemistry
Avery England; Lindsey Morrison; Molly Wood-Moore; Ashley Kennedy; Jesse Dylan Velasco; Jacob White; Nathan A. Meredith; Robert F. Mauldin – Journal of Chemical Education, 2022
To promote student involvement in the reduction of chemical waste generated by teaching laboratories, a method published by Flinn Scientific for the treatment of waste sodium molybdate has been modified for use in treating waste generated by the popular molybdenum blue method for the analysis of phosphate in natural water samples. In this teaching…
Descriptors: Sanitation, Laboratory Experiments, Chemistry, Scientific Concepts
Ali Kürsat Erümit; Rabia Özdemir Sarialioglu – Discover Education, 2025
There is increasing interest in the use of artificial intelligence technologies, which have become a transformative force in the field of education, in educational fields that include subject areas that support lifelong learning, such as science and chemistry education. In this study, a systematic review was conducted on the use and effects of…
Descriptors: Artificial Intelligence, Science Education, Chemistry, Interdisciplinary Approach
Aardema, Megan N.; Koeman, Jamison; Vander Griend, Douglas A. – Journal of Chemical Education, 2021
Despite extensive conceptualization of ions as hard spheres in most textbooks, solid-state structures are more accurately modeled as overlapping soft spheres that better reflect the size of the ions. The corresponding soft-sphere ionic radii of alkali and halide ions can be empirically established from the partial molar volume of the ions in…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Scientific Concepts