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Showing 1 to 15 of 1,344 results Save | Export
Nicholas Griffin; Marshall Ritchie; Tyler Lynn; Kate Dear; Tyler Christian John Deutsch; Leigha Dillard; Kenneth Overway; Barnabas Otoo – Journal of Chemical Education, 2024
Owing to the critical role of stereochemistry in biotechnology, medicine, and industry, it must be well represented in undergraduate lab curricula. To achieve these stereochemical laboratory requirements without sacrificing existing lab techniques, we modified two standard laboratory experiments to include chiral GC analysis as follows. (1) The…
Descriptors: College Science, Undergraduate Students, Chemistry, Laboratory Procedures
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Simeen Sattar – Journal of Chemical Education, 2024
Lakes are artists' pigments made from colorants bound to an inert substrate, usually hydrated aluminum oxide. Before the late 19th century, lakes were made from natural pigments extracted from plants and insects, extracted either directly from the dyestuff or indirectly from waste materials generated in the manufacture of dyed textiles. The first…
Descriptors: Color, Science Experiments, Laboratory Experiments, Science Education
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Sofia F. Palme; Andrew H. Johnson; Graeme R. A. Wyllie – Journal of Chemical Education, 2024
A major challenge when designing new experiments for the general chemistry laboratory is introducing students to the necessary techniques while keeping the experiment engaging and accessible. This work presents a new multiweek activity designed to introduce students to advanced instrumentation in the form of high-performance liquid chromatography…
Descriptors: Chemistry, Science Education, Color, Food
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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
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Qi Sun; Qing Guo; Xiuhui Zuo; Sai Wang – Journal of Chemical Education, 2024
This laboratory experiment offers a research-style experience designed for senior undergraduate students in a multidisciplinary laboratory setting. The experiment focuses on the synthesis, characterization, and application of a cation-exchange membrane made of COF-SO[subscript 3]Na/PAN for ion separation. By participating in this practical…
Descriptors: Undergraduate Study, Science Instruction, Chemistry, Theory Practice Relationship
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Wesley C. Sanders; Ron Valcarce; Peter Iles; Glen Johnson; Spencer Ashworth; Aaron Barnett; Hardin Beaudry; Hayden Duffin; Hunter Fourt; Ezekial Curran; Nolan Chandler Turner; Kasielynn Bussard; Mariana Euan; Nickeles Hunter – Journal of Chemical Education, 2023
This manuscript describes a laboratory exercise that allows students to use conductive atomic force microscopy (CAFM) for the analysis of electrodeposited, metallic structures. In addition to nanoscale electrical characterization with CAFM, this laboratory exercise also provides students with an opportunity to explore nanofabrication by…
Descriptors: Science Instruction, Science Laboratories, Measurement, Laboratory Equipment
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Mariela Analía Torres; Alejandra Leonor Valdez; Carolina de Lourdes Olea; María Fernanda Figueroa; Carlos Gabriel Nieto-Peñalver – Biochemistry and Molecular Biology Education, 2024
After a time away from the classrooms and laboratories due to the global pandemic, the return to teaching activities during the semester represented a challenge to both teachers and students. Our particular situation in a Microbial Physiology course was the necessity of imparting in shorter time, laboratory practices that usually take longer. This…
Descriptors: Science Instruction, Science Laboratories, Physiology, Microbiology
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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
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Samuel Fura; Samuel Abidemi Oluwole; Queen Assala Hakim; Hikari Sanchez; Daniela Toledo; Aline Andrea Quintana; Christian Agatemor – Journal of Chemical Education, 2023
Chemists have always designed and deployed cross-disciplinary approaches that interface chemistry with other disciplines to proffer solutions to many human problems. We designed a laboratory experiment that implements chemistry concepts in a biological model to prime undergraduate students to appreciate interdisciplinarity as an approach to…
Descriptors: Undergraduate Students, College Science, Science Experiments, Laboratory Experiments
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Maksim Dolmat; Veronika Kozlovskaya; Eugenia Kharlampieva – Journal of Chemical Education, 2023
The essential component of expanding an undergraduate curriculum is the inclusion of lab experiments in nanoscience and nanomaterials, which significantly impact health and the environment through their use in food, cosmetics, agriculture, and medicine. We designed a laboratory experiment based on the atomic force microscopy (AFM) analysis of the…
Descriptors: Science Instruction, College Science, Undergraduate Students, Science Laboratories
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Shuang Qiu; Dongyang Zhang; Vishal Yeddu; Cristina Cordoba; Arthur M. Blackburn; Violeta Iosub; Makhsud I. Saidaminov – Journal of Chemical Education, 2023
When structure-property relationships are discussed in inorganic chemistry and materials science, the common perception is that materials with the same composition and atomic arrangement have the same properties. In this laboratory experiment, we show that "processing"--the exact conditions under which materials are made--can in fact…
Descriptors: Synthesis, Inorganic Chemistry, Scientific Concepts, Molecular Structure
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Mahaveer Genwa; Jyoti Singh; Alka Rani; Kushagra Yadav; Chetna Angrish – Journal of Chemical Education, 2024
Photochemical reactions are initiated by the absorption of light, triggering the chemical reactions and resulting in the formation of products. These reactions are generally performed using a freely available renewable source of energy-solar energy. Solar simulators mimic both the ultraviolet and visible regions of sunlight and hence can serve as…
Descriptors: Chemistry, Science Instruction, Undergraduate Study, Science Laboratories
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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
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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
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Geske, Matthew; Murray-Weston, Crystal; Lelack, Graham – Physics Teacher, 2022
The Wilson cloud chamber, invented in 1911 by Scottish physicist Charles Wilson, is a remarkably simple and effective charged particle detector. Cloud chambers were used regularly in particle physics experiments for decades, until being supplanted by bubble chambers. In this article, we describe a lab activity that is suitable for…
Descriptors: Science Instruction, Physics, Science Experiments, Science Laboratories
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