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Showing 16 to 30 of 283 results Save | Export
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Ribeiro, M. Gabriela T. C.; Machado, Adelio A. S. C. – Journal of Chemical Education, 2013
Two new semiquantitative green chemistry metrics, the green circle and the green matrix, have been developed for quick assessment of the greenness of a chemical reaction or process, even without performing the experiment from a protocol if enough detail is provided in it. The evaluation is based on the 12 principles of green chemistry. The…
Descriptors: Science Instruction, College Science, Undergraduate Study, Secondary School Science
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Günter, Tugçe; Akkuzu, Nalan; Alpat, Senol – Research in Science & Technological Education, 2017
Background: This study uses problem-based learning (PBL) to ensure that students comprehend the significance of green chemistry better by experiencing the stages of identifying the problem, developing hypotheses, and providing solutions within the problem-solving process. Purpose: The aim of this study is to research the effect of PBL implemented…
Descriptors: Foreign Countries, Undergraduate Students, Science Education, Environmental Education
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Rattanakit, Parawee; Maungchang, Rasimate – Journal of Chemical Education, 2019
A laboratory experiment utilizing locally available Indian Gooseberry ("Phyllanthus emblica" Linn.) extract as a bioreagent to determine iron(III) is described with the goal of providing students with hands-on experience in spectrophotometry and green chemistry. Spectrophotometry was used to measure the concentration of the complex…
Descriptors: Chemistry, Science Instruction, Environment, Science Laboratories
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Marteel-Parrish, Anne E. – Journal of Chemical Education, 2014
An elective course, "Toward the Greening of Our Minds": Green and Sustainable Chemistry, has been offered at Washington College since 2005. This new course without laboratory is designed for chemistry and biology majors and minors who have previously taken two semesters of general chemistry and organic chemistry. Due to the popularity of…
Descriptors: Science Instruction, Sustainability, College Science, Chemistry
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Gross, Erin M. – Journal of Chemical Education, 2013
An undergraduate lecture course in Green Chemistry and Sustainability has been developed and taught to a "multidisciplinary" group of science and nonscience majors. The course introduced students to the topics of green chemistry and sustainability and also immersed them in usage of the scientific literature. Through literature…
Descriptors: Science Instruction, College Science, Undergraduate Study, Organic Chemistry
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Mullins, Joseph J.; Prusinowski, Allen F. – Journal of Chemical Education, 2019
A microwave-promoted synthesis of a carbocyclic curcuminoid has been developed for the undergraduate organic chemistry laboratory curriculum. The experiment features several teaching points: A novel Knoevenagel iminium-mediated condensation forms a highly conjugated, intensely colored natural product. Reaction occurs uniquely at the less acidic…
Descriptors: Organic Chemistry, Laboratory Experiments, Undergraduate Students, Scientific Concepts
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Shamuganathana, Sheila; Karpudewan, Mageswary – Chemistry Education Research and Practice, 2017
Existing studies report on the importance of instilling environmental literacy among students from an early stage of schooling to enable them to adopt more pro-environmental behaviors in the near future. This quasi-experimental study was designed to compare the level of environmental literacy among two groups of students: the experimental group (N…
Descriptors: Secondary School Students, Secondary School Science, Environmental Education, Scientific Literacy
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Ribeiro, M. Gabriela T. C.; Machado, Adlio A. S. C. – Journal of Chemical Education, 2011
A procedure for teaching green chemistry through laboratory experiments is presented in which students are challenged to use the 12 principles of green chemistry to review and modify synthesis protocols to improve greenness. A global metric, green star, is used in parallel with green chemistry mass metrics to evaluate the improvement in greenness.…
Descriptors: College Science, Science Experiments, Organic Chemistry, Laboratory Experiments
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Silverman, Julian R. – Journal of Chemical Education, 2016
As nonrenewable resources deplete and educators seek relevant interdisciplinary content for organic chemistry instruction, biobased laboratory experiments present themselves as potential alternatives to petroleum-based transformations, which offer themselves as sustainable variations on important themes. Following the principles of green chemistry…
Descriptors: Science Instruction, College Science, Undergraduate Study, Biotechnology
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Karpudewan, Mageswary; Hj Ismail, Zurida; Mohamed, Norita – Journal of Education for Sustainable Development, 2011
Green chemistry is the design, development and implementation of chemical products and processes to reduce or eliminate the use of sub-stances hazardous to human health and the environment. This article reports on the integration of green chemistry and sustainable development concepts (SDCs) into an existing teaching methods course for chemistry…
Descriptors: Preservice Teacher Education, Methods Courses, Teacher Education Curriculum, Organic Chemistry
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Prescott, Sarah – Journal of Chemical Education, 2013
A novel course using green chemistry as the context to teach general chemistry fundamentals was designed, implemented and is described here. The course design included an active learning approach, with major course graded components including a weekly blog entry, exams, and a semester project that was disseminated by wiki and a public symposium.…
Descriptors: College Science, Organic Chemistry, Science Instruction, Cooperative Learning
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Karpudewan, Mageswary; Roth, Wolff-Michael; Ismail, Zurida – Asia-Pacific Education Researcher, 2015
As an initial effort to reorient the current Malaysian chemistry curriculum, "green chemistry" was developed. In this study for the purpose of investigating the effectiveness of the green chemistry curriculum on secondary school students' understanding of chemistry concepts a quasi-experimental design was used. One-group pretest posttest…
Descriptors: Secondary School Students, Chemistry, Curriculum Development, Curriculum Evaluation
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Yadav, Urvashi; Mande, Hemant; Ghalsasi, Prasanna – Journal of Chemical Education, 2012
An easy-to-complete, microwave-assisted, green chemistry, electrophilic nitration method for phenol using Cu(NO[subscript 3])[subscript 2] in acetic acid is discussed. With this experiment, students clearly understand the mechanism underlying the nitration reaction in one laboratory session. (Contains 4 schemes.)
Descriptors: Organic Chemistry, Conservation (Environment), Chemistry, Science Instruction
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Buckley, Heather L.; Beck, Annelise R.; Mulvihill, Martin J.; Douskey, Michelle C. – Journal of Chemical Education, 2013
Several principles of green chemistry are introduced through this experiment designed for use in the undergraduate analytical chemistry laboratory. An established experiment of liquid CO2 extraction of D-limonene has been adapted to include a quantitative analysis by gas chromatography. This facilitates drop-in incorporation of an exciting…
Descriptors: Science Laboratories, College Science, Undergraduate Study, Science Instruction
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Barcena, Homar; Chen, Peishan – Journal of Chemical Education, 2016
Students are introduced to spectrophotometry in comparing the antioxidant activity of pure eugenol and oil of cloves from a commercial source using a modified ferric reducing antioxidant power (FRAP) assay. The extraction of the essential oil from dried cloves is demonstrated to facilitate discussions on green chemistry. The anesthetic properties…
Descriptors: Spectroscopy, Metabolism, Organic Chemistry, Anesthesiology
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