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Corcoran, Emma R.; Lydon, Cassandra; Enright, Mollie C.; Buenaflor, Jeffrey Paz; Anderson, Kate; Wissinger, Jane E. – Journal of Chemical Education, 2022
Comprehensive curricula are described for middle and high school classrooms built around the synthesis of biodegradable calcium alginate capsules prepared from food-safe chemicals. Experiments and activities question whether calcium alginate capsules are a viable alternative to single-use water bottles and consider what characteristics are…
Descriptors: Science Instruction, Chemistry, Middle School Students, High School Students
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Gormong, Ethan A.; Wentzel, Michael T.; Cao, Boen; Kundel, Laura N.; Reineke, Theresa M.; Wissinger, Jane E. – Journal of Chemical Education, 2021
Polymerization reaction media can have a profound effect on the physical properties of the resultant polymer. This phenomenon is showcased in a new experiment for the organic chemistry and polymer science teaching laboratories wherein the radical copolymerization of biobased [beta]-myrcene and dibutyl itaconate is performed using a nonhazardous…
Descriptors: Science Instruction, Organic Chemistry, Plastics, Science Experiments
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Knutson, Cassandra M.; Hilker, Abby P.; Tolstyka, Zachary P.; Anderson, Constance B.; Wilbon, Perry A.; Mathers, Robert T.; Wentzel, Michael T.; Perkins, Angela L.; Wissinger, Jane E. – Journal of Chemical Education, 2019
A versatile experiment is described for the high school and college laboratory setting based on the synthesis of biobased polymers prepared from inexpensive, renewable, and nonhazardous chemicals. Combinations of readily available citric acid, glycerol, and tapioca root starch are used to prepare three polymeric materials with different observable…
Descriptors: Secondary School Science, College Science, Chemistry, Science Experiments
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Knutson, Cassandra M.; Schneiderman, Deborah K.; Yu, Ming; Javner, Cassidy H.; Distefano, Mark D.; Wissinger, Jane E. – Journal of Chemical Education, 2017
With new K-12 national science standards emerging, there is an increased need for experiments that integrate engineering into the context of society. Here we describe a chemistry experiment that combines science and engineering principles while introducing basic polymer and green chemistry concepts. Using medical sutures as a platform for…
Descriptors: Plastics, Science Instruction, Teaching Methods, Standards