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Showing 1 to 15 of 91 results Save | Export
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Suroviec, Alice H.; Jones, Katarina; Sarabia, Grace – Journal of Chemical Education, 2019
Flavonoids have been studied extensively for their antioxidant properties. Specifically, the flavonoids in tea, such as catechin and epigallocatechin gallate, have been shown to have positive health effects. These compounds are also oxidizable, so the concentrations of these compounds in a given kind of tea can be determined using cyclic…
Descriptors: Science Instruction, Chemistry, Food, Hands on Science
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Kent, James E.; Bell, Nicholle G. A. – Journal of Chemical Education, 2019
NMR is a fundamental part of any undergraduate chemistry degree, and training students how to measure and interpret NMR spectra is essential for postgraduate research or chemistry-based careers. Traditionally, the undergraduate laboratory experience with NMR is restricted to sample submission for NMR analysis, which is typically conducted by a…
Descriptors: Chemistry, Science Instruction, College Science, Hands on Science
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Morales, Christine; Chen, Franklin – Journal of Chemical Education, 2019
The effects of substitution on reaction rates are at the heart of both physical chemistry and organic chemistry. In this paper, we present a computational laboratory module to explore the effects of group substitution and isotopic substitution on reaction rates by using a readily accessible graphical interface, a computational engine, and…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Computation
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Stanish, Paul C.; Siu, Howard; Radovanovic, Pavle V. – Journal of Chemical Education, 2019
Inorganic phosphors are the main component of light emitting diodes which have caused the revolution in lighting industry as an energy-efficient and long-lasting replacement of traditional incandescent light bulbs and fluorescent tubes. They are also used in various consumer products and displays and can potentially find applications in…
Descriptors: Inorganic Chemistry, Science Instruction, Holistic Approach, Teaching Methods
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Costantino, Luca; Barlocco, Daniela – Journal of Chemical Education, 2019
This article presents the structure of the organic chemistry laboratory Course "Synthesis and Extraction of Drugs" that is included in Modena University (Italy) in the third year of the five-year "Chemistry and Pharmaceutical Technologies" degree program. This course is unique in its kind, and it aims to provide students with…
Descriptors: Science Instruction, College Science, Undergraduate Study, Organic Chemistry
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Crawford, Garland L.; Kloepper, Kathryn D. – Journal of Chemical Education, 2019
The teaching lab is an important component of training and developing undergraduate chemistry students. The lab provides a complex teaching environment where faculty address a number of student-centered goals, including the development of technical proficiency, demonstrations of theoretical concepts, promotion of teamwork, and modeling of data…
Descriptors: Undergraduate Students, Teaching Methods, Science Laboratories, Chemistry
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Scott, Dane; Firth, Daniel – Journal of Chemical Education, 2019
Statistical process control (SPC) is used in the chemical industry to monitor manufacturing and laboratory processes to ensure quality and compliance with regulatory requirements. Control charts are a key tool used in this monitoring. Industrial job postings desire experience with SPC. Most undergraduates entering the workforce have no exposure,…
Descriptors: Chemistry, Science Instruction, Scientific Concepts, Science Laboratories
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Rennie, Timothy; Eelu, Hilja; Lusepani, Monde; Keendjele, Tuwilika; Julka, Emily; Hunter, Christian J. – Journal of Chemical Education, 2019
Modern, quality education for health sciences is vital in developing and strengthening the health systems of countries in southern Africa. Medicine, pharmacy, and other disciplines in the region typically admit high school graduates who tend to undertake a science foundation in the first years of study. We report a new resource for improving the…
Descriptors: Foreign Countries, Health Services, Organic Chemistry, Video Technology
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Duangpummet, Prempree; Chaiyen, Pimchai; Chenprakhon, Pirom – Journal of Chemical Education, 2019
An inquiry-based laboratory learning unit was designed to enhance high school students' understanding of the application of lipase as a catalyst to synthesize isoamyl and geranyl ester derivatives as well as to promote their understanding and positive perceptions of green chemistry. The learning unit consisted of three laboratories and a final…
Descriptors: Science Laboratories, Secondary School Science, High Schools, Chemistry
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Enneking, Kory M.; Breitenstein, Graham R.; Coleman, Amelia F.; Reeves, James H.; Wang, Yishi; Grove, Nathaniel P. – Journal of Chemical Education, 2019
The laboratory has occupied an important place in the general chemistry curriculum for well over a century, despite the fact that many have voiced concern about its value and utility. In an effort to potentially increase capacity in our general chemistry courses, we developed and implemented a hybrid laboratory curriculum that consisted of…
Descriptors: Science Laboratories, Chemistry, Science Instruction, College Science
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Rodriguez, Jon-Marc G.; Towns, Marcy H. – Journal of Chemical Education, 2019
Analogies are useful tools instructors can use to help make challenging concepts less abstract by drawing connections to familiar contexts. In this paper we provide an overview of the various analogies published in the education literature that are situated in the context of enzyme kinetics, including narrative-based analogies (analogies intended…
Descriptors: Biochemistry, Kinetics, Science Instruction, Teaching Methods
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Bogucki, Ryan; Greggila, Mary; Mallory, Paul; Feng, Jiansheng; Siman, Kelly; Khakipoor, Banafsheh; King, Hunter; Smith, Adam W. – Journal of Chemical Education, 2019
Low cost, open-source analytical instrumentation has the potential to increase educational outcomes for students and enable large-scale citizen science projects. Many of these instruments rely on smartphones to collect the data, mainly because they can effectively leverage a dramatic price-to-performance ratio of the optical sensors. However,…
Descriptors: Telecommunications, Handheld Devices, Science Instruction, Chemistry
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Murshid, Nimer; Cathcart, Nicole; Kitaev, Vladimir – Journal of Chemical Education, 2019
Teaching emulsion polymerization is an important benchmark in undergraduate polymer courses. However, the introduction of hands-on experiments in undergraduate polymer laboratories is challenging: experimental time, reagents, and equipment involved are the primary restraints. We report a practical emulsion polymerization laboratory experiment for…
Descriptors: Science Instruction, College Science, Undergraduate Students, Science Laboratories
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Mutambuki, Jacinta M.; Fynewever, Herb; Douglass, Kevin; Cobern, William W.; Obare, Sherine O. – Journal of Chemical Education, 2019
Integrating authentic research-based experiences that mimic real-world scientific practices and relevance to student personal life into a chemistry curriculum can make abstract chemical principles more palpable to students. Unfortunately, many reported research-based experiences chemistry laboratory experiments lack relevance to a student's…
Descriptors: Science Instruction, STEM Education, Student Research, Science Laboratories
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Yong, Fang; Zhu, Qiuhong; Zhang, Guohao; Tao, Guohong; Qin, Song – Journal of Chemical Education, 2019
The stated purpose of this paper is to provide a simple and quick method to assemble pH electrodes using readily available materials. The present assembled electrodes are comparable with commercial pH electrodes, with accuracy for pH determination in the range 2-12. Furthermore, the constructed simple pH electrodes exhibit a fast and stable…
Descriptors: Science Instruction, Chemistry, Teaching Methods, Science Laboratories
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