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Direct linkMarie-Charlotte Horny; Martina Freisa; Claire Poujouly; Pedro Gonzalez-Losada; Jeremy Le Gall; Thi-Hong-Nhung Dinh; David Bouville; Isabelle Le Potier; Antoine Pallandre; Jean Gamby – Journal of Chemical Education, 2024
Teaching graduate students the entanglements of the interdisciplinary field of electrochemical DNA biosensors in microfluidics can be challenging, as it involves multiple fields of research strongly interacting with each other. Yet, electrochemical biosensors coupled with the improved hydrodynamics of microfluidics allow for simpler, more…
Descriptors: Graduate Students, Chemistry, College Science, Science Instruction
Qi Sun; Qing Guo; Xiuhui Zuo; Sai Wang – Journal of Chemical Education, 2024
This laboratory experiment offers a research-style experience designed for senior undergraduate students in a multidisciplinary laboratory setting. The experiment focuses on the synthesis, characterization, and application of a cation-exchange membrane made of COF-SO[subscript 3]Na/PAN for ion separation. By participating in this practical…
Descriptors: Undergraduate Study, Science Instruction, Chemistry, Theory Practice Relationship
Zer Vue; Chia Vang; Celestine N. Wanjalla; Andrea G. Marshall; Kit Neikirk; Dominique Stephens; Sulema Perales; Edgar Garza-Lopez; Heather K. Beasley; Annet Kirabo; Yelena Janumyan Doe; Desmond Campbell; Letimicia Fears; Ahmad Alghanem; Estevão Scudese; Beverly Owens; Derrick J. Morton; Clintoria R. Williams; Zachary Conley; Hinton Antentor Jr. – Advances in Physiology Education, 2024
Physiology is an important field for students to gain a better understanding of biological mechanisms. Yet, many students often find it difficult to learn from lectures, resulting in poor retention. Here, we utilize a learning workshop model to teach students at different levels ranging from middle school to undergraduate. We specifically designed…
Descriptors: Workshops, Physiology, Science Education, Hands on Science
Gayle Geschwind; Michael Vignal; Marcos D. Caballero; H.? J. Lewandowski – Physical Review Physics Education Research, 2024
The Survey of Physics Reasoning on Uncertainty Concepts in Experiments (SPRUCE) was designed to measure students' proficiency with measurement uncertainty concepts and practices across ten different assessment objectives to help facilitate the improvement of laboratory instruction focused on this important topic. To ensure the reliability and…
Descriptors: Measurement, Ambiguity (Context), Scientific Concepts, Physics
Download full textVaclav 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
Tyler A. Shaffer; Carlos U. Herrada; Avery M. Walker; Laura D. Casto-Boggess; Lisa A. Holland; Timothy R. Johnson; Megan E. Jones; Yousef S. Elshamy – Journal of Chemical Education, 2023
Electrophoresis is integral to analytical and biochemistry experiences in undergraduate education; however, fundamental principles of the method are often taught in upper-level laboratories through hands-on experiences. A laboratory activity is reported that teaches the concepts of electrophoretic mobility and electroosmotic flow. A single…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Cost Effectiveness
Keiner, Liz; Graulich, Nicole – Chemistry Education Research and Practice, 2021
Understanding ongoing chemical processes in the laboratory requires constant shifting between different representational levels--the macroscopic, submicroscopic, and symbolic levels--and analysis of the various mechanistic features of each of these levels. Thus, the ability to explain observations of chemical phenomena with regard to their…
Descriptors: Organic Chemistry, Science Instruction, Laboratory Training, Scaffolding (Teaching Technique)
Riegel, Kimberly – Physics Teacher, 2021
Laboratory report assignments for non-major and introductory classes can be challenging because the students are unfamiliar with the type of technical writing required and the subject matter. These issues for the student make the grading for the instructor difficult and time consuming. Determining the level of detail to require, the format, and…
Descriptors: Acoustics, Electronics, Design, Automation
Kylie L. Luska – Journal of Chemical Education, 2022
A multioutcome, guided inquiry-based liquid--liquid extraction (LLE) experiment has been designed for introductory organic chemistry. Multiple outcomes were established by identifying a series of red and blue dyes that are (1) soluble in organic solvent, (2) soluble in aqueous solution, or (3) soluble in either the organic or aqueous layers by…
Descriptors: Science Instruction, Teaching Methods, Inquiry, Active Learning
Protein Colorimetry Experiments That Incorporate Intentional Discrepancies and Historical Narratives
Astrof, Nathan S.; Horowitz, Gail – Journal of Chemical Education, 2018
A set of biochemistry experiments based on the technique of protein colorimetry is described. Students used the Biuret and Bradford assays to qualitatively and quantitatively assess solutions for protein. Two unique features of these experiments are (1) the use of intentional discrepancies within each experiment to promote critical thinking and…
Descriptors: Science Experiments, Biochemistry, Critical Thinking, Scientific Concepts
Chaytor, Jennifer L.; Al Mughalaq, Mohammad; Butler, Hailee – Journal of Chemical Education, 2017
Online prelaboratory videos and quizzes were prepared for all experiments in CHEM 231, Organic Chemistry I Laboratory. It was anticipated that watching the videos would help students be better prepared for the laboratory, decrease their anxiety surrounding the laboratory, and increase their understanding of the theories and concepts presented.…
Descriptors: Undergraduate Students, Organic Chemistry, Science Laboratories, Web Based Instruction
Puttick, Gillian; Drayton, Brian; Cohen, Eliza – American Biology Teacher, 2015
We analyzed the practitioner literature on lab-based instruction in biology in "The American Biology Teacher" between 2007 and 2012. We investigated what laboratory learning looks like in biology classrooms, what topics are addressed, what instructional methods and activities are described, and what is being learned about student…
Descriptors: Biology, Laboratories, Laboratory Training, Literature Reviews
Gupta, Tanya – ProQuest LLC, 2012
Recent initiatives in the laboratory curriculum have encouraged an inquiry-based approach to learning and teaching in the laboratory. It has been argued that laboratory instruction should not just be hands-on, but it should portray the essence of inquiry through the process of experiential learning and reflective engagement in collaboration with…
Descriptors: Chemistry, Science Process Skills, Inquiry, Science Instruction
Magner, Denise K. – Chronicle of Higher Education, 1996
Despite rising enrollments, college biology education has until recently lagged behind other science disciplines in reforming undergraduate instruction. However, new approaches are emerging, including introductory classes that focus more on concepts, laboratory assignments that are increasingly sophisticated, and more in-depth curricula for…
Descriptors: Assignments, Biology, College Science, Concept Formation
