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Joseph Chiarelli; Melissa A. St. Hilaire; Brandi L. Baldock; Jimmy Franco; Stephen Theberge; Anthony L. Fernandez – Journal of Chemical Education, 2025
There is a growing need for chemistry students to be able to handle and manipulate large datasets and analyze them in an efficient and accessible way. This creates the need to develop course materials that introduce these topics early in the undergraduate curriculum. To address this growing need, this activity introduced RStudio to students…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Students
Harshitha, Ravikumar; Arunraj, Duraipandian Rex – Biochemistry and Molecular Biology Education, 2021
Real-time quantitative PCR is a technique used to monitor the PCR reaction in real time. RT-qPCR is broadly classified into two types based on its purpose: absolute and relative quantification. Absolute quantification is used in a wide array of fields such as microbiology, food technology, and biotechnology to quantify the microbiological…
Descriptors: Laboratory Procedures, Laboratory Experiments, College Science, Molecular Biology
Adrian Harrison; Gareth Evans; Gonzalo Blanco – Journal of Microbiology & Biology Education, 2024
Within the eukaryotic cell, the actin cytoskeleton is a crucial structural framework that maintains cellular form, regulates cell movement and division, and facilitates the internal transportation of proteins and organelles. External cues induce alterations in the actin cytoskeleton primarily through the activation of Rho GTPases, which then bind…
Descriptors: Biology, Science Instruction, Science Process Skills, Skill Development
Alison Wallum; Zetai Liu; Joy Lee; Subhojyoti Chatterjee; Lawrence Tauzin; Christopher D. Barr; Amberle Browne; Christy F. Landes; Amy L. Nicely; Martin Gruebele – Journal of Chemical Education, 2023
As data science and instrumentation become key practices in common careers ranging from medicine to agriscience, chemistry as a core introductory course must introduce such topics to students early and at an accessible level. Advanced data acquisition and data science generally require expensive precision instrumentation and massive computation,…
Descriptors: Undergraduate Study, Data Science, Science Laboratories, Laboratory Equipment
Xinyun Zhao; Tsunghsueh Wu; Xi Chen; Lamei Wu; Zhongqiang Zhou – Journal of Chemical Education, 2023
An inquiry-based learning approach was implemented into comprehensive organic chemistry experiments focusing on the formation process of N-phenylbenzamide from the reaction between N-benzylideneaniline and benzoyl peroxide in commercial dimethyl sulfoxide. Students conducted comparative experiments using alternative reagents or reaction conditions…
Descriptors: Undergraduate Students, College Science, Organic Chemistry, Science Laboratories
McGarvey, David J. – Journal of Chemical Education, 2020
A laboratory experiment characterized by a whole-class data-pooling approach to generate a data set that can be used to test a model of the influence of ionic strength on electrolyte solubility is described and discussed. The design of the experiment makes efficient use of the laboratory period and releases time for instructional and dialogic…
Descriptors: Laboratory Experiments, Chemistry, Science Instruction, Computer Uses in Education
Roy, Brandon G.; Ryndock, Eric; Lappas, Courtney M. – Biochemistry and Molecular Biology Education, 2021
The amplification of nucleic acids is a fundamental tool utilized in various scientific disciplines, including Molecular Biology, Immunology, Microbiology, and Genetics. However, due to the time and technology required for traditional polymerase chain reaction and its derivatives, it is not always possible to include such methodologies in…
Descriptors: Undergraduate Students, College Science, Science Laboratories, Laboratory Experiments
Lewis, Russell L.; Seal, Erin L.; Lorts, Aimee R.; Stewart, Amanda L. – Biochemistry and Molecular Biology Education, 2017
The undergraduate biochemistry laboratory curriculum is designed to provide students with experience in protein isolation and purification protocols as well as various data analysis techniques, which enhance the biochemistry lecture course and give students a broad range of tools upon which to build in graduate level laboratories or once they…
Descriptors: Spectroscopy, Undergraduate Students, Biochemistry, Laboratory Experiments
Procko, Carl; Morrison, Steven; Dunar, Courtney; Mills, Sara; Maldonado, Brianna; Cockrum, Carlee; Peters, Nathan Emmanuel; Huang, Shao-shan Carol; Chory, Joanne – CBE - Life Sciences Education, 2019
Next-generation sequencing (NGS)-based methods are revolutionizing biology. Their prevalence requires biologists to be increasingly knowledgeable about computational methods to manage the enormous scale of data. As such, early introduction to NGS analysis and conceptual connection to wet-lab experiments is crucial for training young scientists.…
Descriptors: Undergraduate Students, Data Analysis, Biology, Information Science
Bonjour, Jessica L.; Pitzer, Joy M.; Frost, John A. – Journal of Chemical Education, 2015
Mole to gram conversions, density, and percent composition are fundamental concepts in first year chemistry at the high school or undergraduate level; however, students often find it difficult to engage with these concepts. We present a simple laboratory experiment utilizing portable nuclear magnetic resonance spectroscopy (NMR) to determine the…
Descriptors: Science Instruction, High School Students, Secondary School Science, Chemistry
Augspurger, Ashley E.; Stender, Anthony S.; Marchuk, Kyle; Greenbowe, Thomas J.; Fang, Ning – Journal of Chemical Education, 2014
An innovative and inexpensive optical microscopy experiment for a quantitative analysis or an instrumental analysis chemistry course is described. The students have hands-on experience with a dark field microscope and investigate the wavelength dependence of localized surface plasmon resonance in gold and silver nanoparticles. Students also…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Laboratory Equipment
Boose, David L. – Journal of College Science Teaching, 2014
Quantitative reasoning is a key intellectual skill, applicable across disciplines and best taught in the context of authentic, relevant problems. Here, I describe and assess a laboratory exercise that has students calculate their "carbon footprint" and evaluate the impacts of various behavior choices on that footprint. Students gather…
Descriptors: Nonmajors, Statistical Analysis, Data Collection, Computation
Janssens, Peter; Waldhuber, Megan – Bioscene: Journal of College Biology Teaching, 2012
This laboratory exercise investigates the phenomenon of cytoplasmic streaming in the fresh water alga "Nitella". Students use the fungal toxin cytochalasin D, an inhibitor of actin polymerization, to investigate the mechanism of streaming. Students use simple statistical methods to analyze their data. Typical student data are provided. (Contains 3…
Descriptors: Biology, Science Education, Laboratories, Data Analysis
Hauri, James F.; Niece, Brian K. – Journal of Chemical Education, 2011
The use of silver in commercial products has proliferated in recent years owing to its antibacterial properties. Food containers impregnated with micro-sized silver promise long food life, but there is some concern because silver can leach out of the plastic and into the stored food. This laboratory experiment gives students the opportunity to…
Descriptors: Chemistry, Data Analysis, Laboratory Experiments, Science Instruction
Ling, Chris D.; Bridgeman, Adam J. – Journal of Chemical Education, 2011
Titration experiments are ideal for generating large data sets for use in quantitative-analysis activities that are meaningful and transparent to general chemistry students. We report the successful implementation of a sophisticated quantitative exercise in which the students identify a series of unknown acids by determining their molar masses…
Descriptors: Chemistry, Statistical Analysis, Science Experiments, Laboratory Experiments