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Anna Laguta – Journal of Chemical Education, 2025
Colloidal stability is one of the most important criteria in the application strategy of colloidal nanoparticles in the continuous phase. The branches include ecology, involving coagulation as a purification method; medicine as nanocarriers; biology as blood coagulation, etc. A chemist versed in these concepts is a high-performing chemist in…
Descriptors: Science Experiments, Laboratory Experiments, Chemistry, Light
Marie-Charlotte Horny; Martina Freisa; Claire Poujouly; Pedro Gonzalez-Losada; Jeremy Le Gall; Thi-Hong-Nhung Dinh; David Bouville; Isabelle Le Potier; Antoine Pallandre; Jean Gamby – Journal of Chemical Education, 2024
Teaching graduate students the entanglements of the interdisciplinary field of electrochemical DNA biosensors in microfluidics can be challenging, as it involves multiple fields of research strongly interacting with each other. Yet, electrochemical biosensors coupled with the improved hydrodynamics of microfluidics allow for simpler, more…
Descriptors: Graduate Students, Chemistry, College Science, Science Instruction
Shanshan Li; Honggang Li; Haidi Xu; Yi Jiao; Jianli Wang; Ming Zhao – Journal of Chemical Education, 2024
A comprehensive chemistry laboratory experiment, including the synthesis of Pt/Al[subscript 2]O[subscript 3] catalysts at different conditions, structure characterization, and the real-world application exploration, has been designed for upper-division undergraduate and graduate students as an expansion and improvement of the professional…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Laboratory Experiments
Hannah Kessler; Christopher M. Russo; Vincent Fumo; Matthew C. O'Reilly – Journal of Chemical Education, 2022
Spectroscopic characterization of molecules is typically reinforced in the organic chemistry teaching laboratory via the analysis of reaction products by NMR and IR, and initial coverage of these topics can include experiments involving the identification of unknown compounds. To combine the unknown identification component with common laboratory…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Instruction, Pharmaceutical Education
Röbbe Wünschiers; Robert Maximilian Leidenfrost; Hauke Holtorf; Bernd Dittrich; Thomas Dürr; Jürgen Braun – Journal of Microbiology & Biology Education, 2024
Both nanopore-based DNA sequencing and CRISPR/Cas-based gene editing represent groundbreaking innovations in molecular biology and genomics, offering unprecedented insights into and tools for working with genetic information. For students, reading, editing, and even writing DNA will be part of their everyday life. We have developed a laboratory…
Descriptors: Genetics, Science Instruction, Teaching Methods, Molecular Biology
Chengxuan Guo; Nicole Wendel; Ally Lee; Shonda Monette; Brian Morrison; Dominic Frisbie; Earlene Erbe; Rene´e S. Cole; Max Lei Geng – Journal of Chemical Education, 2024
The pharmaceutical and medicine manufacturing industry has become the largest industrial sector for the employment of chemists, indicating a need for experiments with a pharmaceutical sciences context in the undergraduate chemistry curriculum. In the pharmaceutical industry, testing drug dissolution is a key analytical task for solid oral dosage…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Laboratory Experiments
Armaghan Shafaei; Hayley Abbiss; Sophie Coutts; Mark Bannister; Janine Bruemmer; Mary C. Boyce – Journal of Chemical Education, 2022
A student experiment that uses QuEChERS (quick, easy, cheap, effective, rugged, and safe) methodology for extraction and HPLC for quantitative determination of tocopherols from seeds and nuts is described here. Chromatographic separation is achieved by using a pentafluorophenyl stationary phase which gives enhanced separation of the tocopherols…
Descriptors: Science Instruction, Science Laboratories, Chemistry, Laboratory Procedures
Joana F. C. Silva; Ma´rio T. S. Rosado; Teresa M. R. Maria; Pedro S. Pereira Silva; Manuela Ramos Silva; M. Ermelinda S. Euse´bio – Journal of Chemical Education, 2023
The concept of co-amorphous systems is introduced in an integrated laboratory experiment, designed for advanced chemistry students, using solvent-free, environmentally friendly mechanochemistry. The dual-drug naproxen-cimetidine co-amorphous system (NPX-CIM) is investigated as an example of the emergent field of medicinal mechanochemistry.…
Descriptors: Laboratory Experiments, Chemistry, Science Instruction, Pharmacology
Jordheim, Lars Petter; Denuzie`re, Anne; Machon, Christelle; Zeinyeh, Wael – Journal of Chemical Education, 2021
The understanding of the basic principles of chromatography is of high importance for chemistry, pharmacy, and biology students. In this paper, we present a free web application which can be used as a teaching tool to introduce chromatography to undergraduate students, using one of the simplest chromatography models: the plate theory.
Descriptors: Chemistry, Laboratory Procedures, Computer Oriented Programs, Science Instruction
Maureen E. Dunbar; Jacqueline J. Shade – HAPS Educator, 2024
Teaching introductory anatomy and physiology (A&P) requires a careful balance of conveying core content while at the same time fostering a deep interest in the subject matter. This is especially true in the laboratory where students are expected to not only master experimental procedures but also connect what they learn in the laboratory to…
Descriptors: Undergraduate Students, Anatomy, Physiology, Science Instruction
Kovacevic, Tanja; Skinner, Austin; Fisk, John D.; Fishback, Vanessa; Reed, Scott M. – Journal of Chemical Education, 2020
The complete structural analysis and resynthesis of an unknown compound, selected from a library of dipeptides, provided a framework for a course that built from expository experiments toward a guided-inquiry approach. We used this semester-long lab as a replacement for conventional second semester organic chemistry laboratory and successfully…
Descriptors: Organic Chemistry, Science Instruction, Science Laboratories, Laboratory Training
Czysz, Kamryn; Schroeder, Lianne; Clark, Ginevra A. – Journal of Chemical Education, 2020
Acid--base chemistry is an important and challenging topic for virtually all chemistry students. Recent works have focused on conceptually linking molecular and symbolic representations to experimental evidence for many chemical concepts. In this work we describe a laboratory exercise designed to address students' conceptual challenges regarding…
Descriptors: Chemistry, Laboratory Experiments, Premedical Students, Laboratory Procedures
Nicole L. Mandel; Briana Le; Riley Ward; Sarah J. R. Hansen; Joseph C. Ulichny – Journal of Chemical Education, 2022
Students often enter chemistry laboratory courses with a well-documented disconnect between their experiences outside the classroom and the procedures, concepts, and techniques that occur in our courses. Strong base, weak acid titration experiments are present in general chemistry laboratories but also relate to foods our students are familiar…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Laboratory Procedures
Tian Li; Ying Liu – Journal of Chemical Education, 2022
The development of the skills to read and understand scientific literature is crucial to the future success of students. A literature review project was introduced into an organic chemistry laboratory course, in which undergraduate students were asked to acquire the skills of scientific literature searching, reading, and summarizing. The course…
Descriptors: Laboratory Procedures, Laboratory Training, Chemistry, Science Instruction
Dolhun, John J.; Müller, Peter – Journal of Chemical Education, 2020
Single-crystal X-ray structures, melting points, and students' specific rotation results on carvone semicarbazone derivatives are presented with experimental details. Critical parameters are identified to ensure the success of the experiment. Procedures developed here were tested in a laboratory course, consisting of approximately 70 students over…
Descriptors: Chemistry, Science Instruction, Laboratory Experiments, Undergraduate Students