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Isabel Cuevas; Mar Mateos; Lidia Casado-Ledesma; Ricardo Olmos; Miriam Granado-Peinado; María Luna; Juan Antonio Núñez; Elena Martín – European Journal of Psychology of Education, 2024
Undergraduates often struggle writing argumentative syntheses from conflicting sources. Written guides can help in the different phases of the process involved in these tasks and are more effective when accompanied by explicit instruction. Nevertheless, there are few studies on instructional rubrics as an aid to argumentative writing and none are…
Descriptors: Student Improvement, Persuasive Discourse, Synthesis, Writing Instruction
Feng Xiong; Ru-Xin Liu; Xiao-Xuan Fan; Min Zhang; Yuan She; Wei-Qing Cao; Chao Chen; Tong-Mei Ding; Shu-Yu Zhang – Journal of Chemical Education, 2023
The demand for sustainable synthetic methods in modern industry has been increasing rapidly due to the requirements of environmental protection and energy conservation, which has brought organic electrochemical synthesis to the forefront nowadays. Here, a two-part laboratory experiment has been designed to train undergraduates in comprehending and…
Descriptors: Organic Chemistry, Science Instruction, Undergraduate Students, Sustainability
Ernest Koranteng – Science Education International, 2024
This study aimed to uncover common difficulties and possible areas for improvement by focusing on the approaches and errors made by 3rd-year undergraduate chemistry students in solving organic synthesis problems. The study employed a purposive sampling technique to select 112 undergraduate chemistry major students to participate in this study.…
Descriptors: Foreign Countries, Undergraduate Students, Chemistry, Science Instruction
Vaclav Matousek; Radek Matuska; Tomas Vranka; Martin Adamec; Tadeas Herentin; Jiri Kalacek; Jan Havlik – Journal of Chemical Education, 2023
Triboluminescence is a fascinating phenomenon that can engage students' interest in chemistry. However, safe, cost-effective, and accessible laboratory experiments featuring highly triboluminescent substances are limited. To bridge this gap, we present a simple, rapid, semimicro test tube preparation of the visually engaging manganese complex…
Descriptors: Secondary School Science, College Science, Chemistry, Science Instruction
Li-Na Ma; Rui Peng; Jing-Ji Xu; Qing-Ling Yang; A-Ceng Li; Ye Han; Lei Yuan; Fan Shen; Dan-Qing Yin; Min-Wen Zheng; Ya-Yu Huang; Jing Ren – Anatomical Sciences Education, 2025
The traditional approach of using PowerPoint (PPT) presentations in medical imaging theory classes hinders the spatial thinking ability of most students. Consequently, the learning outcomes are often unsatisfactory. This article proposes a naked eye three-dimensional (3D) medical imaging teaching assistant app based on augmented reality (AR)…
Descriptors: Teaching Assistants, Theories, Courses, Medical Services
Barcena, Homar; Maziarz, Katarzyna – Journal of Chemical Education, 2017
In an effort to repurpose expired guaifenesin tablets, experiments devised for practical instruction are reported for the preparation and isolation of the guaifenesin acetonide using a microscale kit. The laboratory experiment successfully utilizes a waste chemical in lieu of a fine chemical to illustrate the principles behind protecting groups in…
Descriptors: Synthesis, Pharmacology, Laboratory Experiments, Organic Chemistry
Debbert, Stefan L.; Hoh, Bradley D.; Dulak, David J. – Journal of Chemical Education, 2016
In this experiment for an introductory undergraduate organic chemistry lab, students tetraalkylate tertbutylcalix[4]arene, a bowl-shaped macrocyclic oligophenol, and examine the supramolecular chemistry of the tetraether product by proton nuclear magnetic resonance (NMR) spectroscopy. Complexation with a sodium ion reduces the conformational…
Descriptors: Synthesis, Undergraduate Students, Organic Chemistry, Laboratory Experiments
Parobek, David; Shenoy, Ganesh; Zhou, Feng; Peng, Zhenbo; Ward, Michelle; Liu, Haitao – Journal of Chemical Education, 2016
In this upper-level undergraduate experiment, students utilize micro-Raman spectroscopy to characterize graphene prepared by mechanical exfoliation and chemical vapor deposition (CVD). The mechanically exfoliated samples are prepared by the students while CVD graphene can be purchased or obtained through outside sources. Owing to the intense Raman…
Descriptors: Synthesis, Spectroscopy, Undergraduate Students, Hands on Science
Baar, Marsha R. – Journal of Chemical Education, 2018
An inquiry-based experiment for the organic chemistry laboratory was developed to provide students with a cognitively rich research experience. Student teams were charged with optimizing the reaction conditions for the Williamson ether synthesis of 2- fluorophenetole from 2-fluorophenol, ethyl bromide, and potassium carbonate in either absolute…
Descriptors: Organic Chemistry, Student Experience, Student Research, Laboratory Experiments
McMillan, Brian G. – Journal of Chemical Education, 2016
This experiment was designed and successfully introduced to complement the nanochemistry taught to undergraduate students in a useful and interesting way. Colloidal Ag nanoparticles were synthesized by a simple, room-temperature method, and the resulting suspension was then used to study the surface-enhanced Raman scattering (SERS) of methylene…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Teaching Methods
Vasquez, Thomas E., Jr.; Saldan~a, Cristina; Muzikar, Katy A.; Mashek, Debra; Liu, Jane M. – Journal of Chemical Education, 2016
This laboratory experiment provides undergraduate students enrolled in organic chemistry the opportunity to design and synthesize their own peptide, which is then tested for antimicrobial activity. After reading a primary scientific paper on antimicrobial peptides, students design and synthesize their own hexapeptide that they hypothesize will…
Descriptors: Organic Chemistry, Laboratory Experiments, Undergraduate Students, Spectroscopy
Guedens, Wanda J.; Reynders, Monique – Journal of Chemical Education, 2017
Prior to the recycling process, raising awareness of plastic waste impact, e.g., polluting oceans worldwide, is undoubtedly a first attempt to tackle this pandemic environmental issue. With this in mind, the presented practical session is an effort to entice an interdisciplinary audience of science undergraduates toward a sustainable future. The…
Descriptors: Plastics, Interdisciplinary Approach, Chemistry, Laboratory Experiments
Liu, Hanlin; Zaplishnyy, Vladimir; Mikhaylichenko, Lana – Journal of Chemical Education, 2016
A multistep synthesis of thieno[2,3-"b"]pyridine derivatives is described that is suitable for the upper-level undergraduate organic laboratory. This experiment exposes students to various hands-on experimental techniques as well as methods of product characterization such as IR and [superscript 1]H NMR spectroscopy, and…
Descriptors: Synthesis, Undergraduate Students, Organic Chemistry, Laboratory Experiments
Hendel, Samuel J.; Young, Elizabeth R. – Journal of Chemical Education, 2016
Electrochemical analysis is an important skill to teach in chemistry curricula because it is a critical tool in current high-impact chemical research. Electrochemistry enables researchers to analyze a variety of systems extending from molecules to materials that encompass research themes ranging from clean energy to substrate activation in…
Descriptors: Laboratory Experiments, Inorganic Chemistry, Hands on Science, Undergraduate Students
Fonseca, Custódia S. C. – Journal of Chemical Education, 2016
Saccharin (1,2-benzisothiazole-3-one 1,1-dioxide) is an artificial sweetener used in the food industry. It is a cheap and easily available organic compound that may be used in organic chemistry laboratory classes for the synthesis of related heterocyclic compounds and as a derivatizing agent. In this work, saccharin is used as a starting material…
Descriptors: Synthesis, Undergraduate Students, Science Experiments, Organic Chemistry