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Buth, Jeffrey M.; Ossola, Rachele; Partanen, Sarah B.; McNeill, Kristopher; Arnold, William A.; O'Connor, Meghan; Latch, Douglas E. – Journal of Chemical Education, 2021
In this laboratory experiment, students explore the aquatic photochemical fate of ranitidine and cimetidine, two common pharmaceutical pollutants found in wastewater. It provides an engaging environmental context for students to develop knowledge of reaction kinetics and photochemistry as well as skill in using analytical instrumentation. This…
Descriptors: Kinetics, Pharmacology, Water Pollution, Laboratory Experiments
Coramik, Mustafa; Özdemir, Erdogan – Physics Education, 2021
In this study, it is aimed to develop practical teaching activities that can be used in optics teaching. For this purpose, a virtual laboratory environment was created in RayLab which is an application for design and simulation of optics on the iPad/iPhone. In this context, the dispersion of white light in the prism, the relationship between the…
Descriptors: Science Instruction, Optics, Physics, Teaching Methods
Jürgen Russ; Niels Hammer – Anatomical Sciences Education, 2025
This study describes the process of developing a high-impact, low-cost, and low-maintenance air ventilation system for anatomy facilities. It employed the strategic application of Value Engineering (VE), assuring that the air ventilation system meets contemporary threshold limit values (TLVs) for formaldehyde in the working zone of dissection…
Descriptors: Engineering, Anatomy, Science Laboratories, Laboratory Procedures
Greenslade, Thomas B., Jr. – Physics Teacher, 2021
George M. Hopkins (1842-1902) wrote a series of articles on demonstrating physical phenomena in the "Scientific American" during the last years of the 19th century. These were collected in a book, "Experimental Science," that was first published in 1890, with revisions in 1892 and 1902. It must have been well received, for the…
Descriptors: Physics, Science History, Science Experiments
Wei, Jianye; Treagust, David F.; Mocerino, Mauro; Wallace, Andrew D.; Brown, Trevor C. – Journal of Chemical Education, 2022
A remote laboratory that measures the enthalpy of vaporization ([delta]"H"[subscript vap]°) and the entropy of vaporization ([delta]"S"[subscript vap]°) of "n"-octane was designed, constructed, and offered to second-year physical chemistry undergraduates at the University of New England (UNE) and Curtin University.…
Descriptors: Science Laboratories, College Science, Undergraduate Study, Science Experiments
Sedky, Nada K.; Arafa, Reem K. – Biochemistry and Molecular Biology Education, 2022
Nowadays, novel Biochemistry lab techniques are being introduced at a very fast pace in scientific research. This requires development of new labs for undergraduate Biochemistry courses to equip the students with up-to-date techniques. However, the time limit of Biochemistry labs for undergraduate students represents a major obstacle. This article…
Descriptors: Biochemistry, Science Instruction, Undergraduate Study, College Science
Naoto Shirasu; Shin'ichiro Yasunaga – Biochemistry and Molecular Biology Education, 2024
Here, we propose a laboratory exercise to quickly determine single nucleotide polymorphisms (SNPs) in human "alcohol dehydrogenase 1B (ADH1B)" and "aldehyde dehydrogenase 2 (ALDH2)" genes involved in alcohol metabolism. In this exercise, two different genotyping methods based on polymerase chain reaction (PCR), namely…
Descriptors: Genetics, Biochemistry, Students, Science Instruction
Bibek Dahal – Journal of Academic Ethics, 2024
Ethics in research can be broadly divided into two epistemic dimensions. One dimension focuses on bureaucratic procedures (i.e., procedural ethics), while the other focuses on contextually and culturally contested practice of ethics in research (i.e., ethics in practice). Researchers experience both dimensions distinctly in their qualitative…
Descriptors: Research, Ethics, Researchers, Educational Experiments
Lei Li; Fu Pi; Gu Zhan; Qian-Qian Yang; Ying-Chun Chen; Zhi-Chao Chen; Wei Du – Journal of Chemical Education, 2024
An organic chemistry experiment designed for senior undergraduates focuses on bifunctional catalysis, a critical yet often omitted topic at the undergraduate level, but essential for advanced studies in chemistry. By utilization of a tertiary amine-thiourea catalyst in the asymmetric Michael addition reaction, the experiment showcases the…
Descriptors: Undergraduate Students, College Science, Organic Chemistry, Laboratory Experiments
Paul Rowlandson; Adrian Simpson – British Educational Research Journal, 2024
The turn to 'evidence-based education' in the past three decades favours one type of evidence: experiment. Knowledge brokers ground recommendations for classroom practice on reports of experimental research. This paper distinguishes "field" and "laboratory" experiments, on the basis of control and precision of causal…
Descriptors: Laboratory Experiments, Evidence Based Practice, Research, Science Education
Tim Kirchhoff; Matthias Wilde; Nadine Grobmann – Research in Science Education, 2024
Outreach science labs aim to promote students' interest. Previous research has often suggested that performing experiments in such labs has a positive effect on their interest. However, these studies often lack a comparison to the effects of performing them at school. This research gap was addressed in the present study. The sample consisted of…
Descriptors: Science Laboratories, Outreach Programs, Student Interests, Science Experiments
Shin-Yu Kim; Inseong Jeon; Seong-Joo Kang – Journal of Chemical Education, 2024
Artificial intelligence (AI) and data science (DS) are receiving a lot of attention in various fields. In the educational field, the need for education utilizing AI and DS is also being emerged. In this context, we have created an AI/DS integrating program that generates a compound classification/regression model using characteristics of compounds…
Descriptors: Chemistry, Science Instruction, Laboratory Experiments, Artificial Intelligence
Separation of Lycopene via Liquid-Liquid Extraction: An At-Home Experiment in the Kitchen Laboratory
Shengjie Wang; Zhengsheng Zhan – Journal of Chemical Education, 2024
Herein we describe an accessible and safe at-home experiment to separate lycopene from tomatoes via liquid-liquid extraction. As a qualitative experiment, it is a canonically elementary instance for high school students to digest the conception of miscibility, immiscibility, and density difference of the two solvents. This experiment was performed…
Descriptors: Chemistry, Science Experiments, Science Laboratories, Food
Philip P. Lampkin; Angie E. Xu; Brian J. Esselman; Cara E. Schwarz; Sebastian D. Thompson; Samuel H. Gellman; Nicholas J. Hill – Journal of Chemical Education, 2024
Synthesis of (Z)-alkenes is challenging because the (E) stereoisomers are usually more stable. Energy transfer photocatalysis has emerged as an efficient strategy for (E) [right arrow] (Z) alkene isomerization. We report the development of an advanced undergraduate laboratory experiment that introduces students to contemporary organic…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Synthesis
Ibrahim, Gehan H.; Morcos, George N. B.; Ghaly, Wael Botros AbuAlyamin; Hassan, Mohamed Talal; Hussein, Usama A.; Nadim, Hany S. – Biochemistry and Molecular Biology Education, 2023
After the COVID-19 pandemic, there was an increasing demand for remote learning and an expansion in the substitution of traditional practical sessions with lab-based virtual tools. This study aimed to assess the effectiveness of virtual labs in practicing biochemical experiments and to examine the student's feedback regarding this tool. Virtual…
Descriptors: COVID-19, Pandemics, Distance Education, Computer Simulation