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Direct linkde Morais, Camilo de L. M.; Silva, Se´rgio R. B.; Vieira, Davi S.; Lima, Ka´ssio M. G. – Journal of Chemical Education, 2016
The binding constant and stoichiometry ratio for the formation of iron(II)-(1,10-phenanthroline) or iron(II)-o-phenanthroline complexes has been determined by a combination of a low-cost analytical method using a smartphone and a molecular modeling method as a laboratory experiment designed for analytical and physical chemistry courses. Intensity…
Descriptors: Stoichiometry, Chemistry, Laboratory Experiments, Integrated Activities
Scalfani, Vincent F.; Turner, C. Heath; Rupar, Paul A.; Jenkins, Alexander H.; Bara, Jason E. – Journal of Chemical Education, 2015
The emergence of 3D printing has dramatically advanced the availability of tangible molecular and extended solid models. Interestingly, there are few nanostructure models available both commercially and through other do-it-yourself approaches such as 3D printing. This is unfortunate given the importance of nanotechnology in science today. In this…
Descriptors: Molecular Structure, Printing, Models, Design Crafts
Albrecht, Birgit – Journal of Chemical Education, 2014
The Wittig reaction is one of the most useful reactions in organic chemistry. Despite its prominence early in the organic chemistry curriculum, the exact mechanism of this reaction is still under debate, and this controversy is often neglected in the classroom. Introducing a simple computational study of the Wittig reaction illustrates the…
Descriptors: Undergraduate Students, Laboratory Experiments, Computation, Organic Chemistry
Hahn, Tobias; Huuk, Thiemo; Heuveline, Vincent; Hubbuch, Ju¨rgen – Journal of Chemical Education, 2015
Industrial purification of biomolecules is commonly based on a sequence of chromatographic processes, which are adapted slightly to new target components, as the time to market is crucial. To improve time and material efficiency, modeling is increasingly used to determine optimal operating conditions, thus providing new challenges for current and…
Descriptors: Hands on Science, Courseware, Undergraduate Students, Engineering Technology
Tho, Siew Wei; Yeung, Yau Yuen – Teaching Science, 2014
A Smartphone is not only a mobile device that is used for communication but is also integrated with a personal digital assistant (PDA) and other technological capabilities such as built-in acceleration, magnetic and light sensors, microphone, camera and Global Positioning System (GPS) unit. This handheld device has become very popular with the…
Descriptors: Instructional Innovation, Technology Uses in Education, Handheld Devices, Investigations
Kafai, Yasmin B.; Lee, Eunkyoung; Searle, Kristin; Fields, Deborah; Kaplan, Eliot; Lui, Debora – ACM Transactions on Computing Education, 2014
In this article, we examine the use of electronic textiles (e-textiles) for introducing key computational concepts and practices while broadening perceptions about computing. The starting point of our work was the design and implementation of a curriculum module using the LilyPad Arduino in a pre-AP high school computer science class. To…
Descriptors: High School Students, Scientific Concepts, Educational Practices, Curriculum Development
Ngai, Grace; Chan, Stephen C. F.; Leong, Hong Va; Ng, Vincent T. Y. – ACM Transactions on Computing Education, 2013
This article presents the design and development of i*CATch, a construction kit for physical and wearable computing that was designed to be scalable, plug-and-play, and to provide support for iterative and exploratory learning. It consists of a standardized construction interface that can be adapted for a wide range of soft textiles or electronic…
Descriptors: Computer System Design, Engineering Technology, Courseware, Computer Science Education
