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Introduction to Pharmaceutical Co-Amorphous Systems Using a Green Co-Milling Technique
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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
Role of Metal Ions in Dopamine Oxidation
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Ravera, Mauro; Gabano, Elisabetta – Journal of Chemical Education, 2021
This is an easy and cheap experiment where chemistry Masters students can evaluate the role of some metal ions (i.e., Cu[superscript II] and Mn[superscript II]) in dopamine oxidation, related to Parkinsonism. The required prior knowledge is being familiar with the basis of UV-vis spectroscopy. Details of the activity, including procedure and…
Descriptors: Science Instruction, Chemistry, Science Experiments, College Science
Introduction to Femtochemistry: Excited-State Proton Transfer from Pyranine to Water Studied by Femtosecond Transient Absorption
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Changenet, Pascale; Gustavsson, Thomas; Lampre, Isabelle – Journal of Chemical Education, 2020
In order to introduce students to the fascinating field of femtochemistry, we propose here a practical laboratory training course conceived for second-year master's students in chemistry. We describe the use of a broadband femtosecond transient absorption (pump-probe) experiment for monitoring a fast light-triggered chemical reaction in solution.…
Descriptors: Chemistry, Science Instruction, Spectroscopy, Scientific Concepts
Confronting the Need for Conceptual Change in Pre-Service Science Education
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Schwartz, Marc S.; Shapiro, Irwin I.; Gregory, Bruce – Higher Education Studies, 2013
During a five-year period the authors taught over 100 students in a graduate course (The Nature of Science) counting toward teacher certification at the Harvard Graduate School of Education. Despite the fact that students had undergraduate degrees in the sciences, most of them found the application of models in science challenging and the…
Descriptors: Preservice Teacher Education, Science Education, Scientific Principles, Concept Formation
Science Club--A Concept
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Wegner, Claas; Issak, Nicole; Tesch, Katharina; Zehne, Carolin – European Journal of Science and Mathematics Education, 2016
The following article presents a concept of a science club which was developed by two master's students as a part of their thesis and which has been developed and improved ever since. The extra-curricular concept emphasises pupils' individuality through focusing on problem based leaning, station learning, and mixed age groups. Having joined the…
Descriptors: Clubs, Science Education, Scientific Concepts, Foreign Countries
Proceedings of the International Association for Development of the Information Society (IADIS) International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA) (18th, Virtual, October 13-15, 2021)
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Sampson, Demetrios G., Ed.; Ifenthaler, Dirk, Ed.; Isaías, Pedro, Ed. – International Association for Development of the Information Society, 2021
These proceedings contain the papers of the 18th International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA 2021), held virtually, due to an exceptional situation caused by the COVID-19 pandemic, from October 13-15, 2021, and organized by the International Association for Development of the Information Society…
Descriptors: Computer Simulation, Open Educational Resources, Telecommunications, Handheld Devices