Enzymes are nature's catalysts, mediating chemical processes in living systems. The study of enzyme function and mechanism includes defining the maximum catalytic rate and affinity for substrate/s (among other factors), referred to as enzyme kinetics. Enzyme kinetics is a staple of biochemistry curricula and other disciplines, from molecular and…

This laboratory experiment aims to provide undergraduate students with research experience in water treatment by membrane separation. This experiment includes fabrication and characterization, as well as water treatment applications of the interfacially polymerized polyester nanofiltration membranes. Through participating in this experimental…

Removing the pollutants from various wastewater is crucial to the environment, ecology, and humans. However, the pollutants are generally removed by chemical decomposition, which not only consumes a lot of energy but also produces carbon emissions. Electrochemical flocculation is effective to extract pollutant molecules and heavy ions from…

Instruction in quantum mechanics is becoming increasingly important as the field is not only a key part of modern physics research but is also important for emerging technologies. However, many students regard quantum mechanics as a particularly challenging subject, in part because it is considered very mathematical and abstract. One potential way…

Biomedical engineering (BME) is a multidisciplinary, constantly advancing field; as such, undergraduate programs in BME must continually adapt. Elective courses provide opportunities for students to select topic areas relevant to their interests or future careers. Specifically, laboratory courses allow experiential learning in specialized topics…

As the global demand for science, technology, engineering, and mathematics (STEM) professionals continues to rise, early high school education plays a crucial role in inspiring future innovators and preparing them for scientific challenges. This paper presents an integrated short course for high school students focused on sustainable energy…

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…

The Ouchterlony double immunodiffusion technique is used as a teaching tool for studying immune responses and exemplifying differences in antigen-antibody reactions. Although commonplace in undergraduate labs, standardized commercial kits limit learning experiences because they have fixed modalities of use, a low shelf-life, and impose budgetary…

Fluorescence experiments hold great potential to develop and deepen student understanding of fundamental chemical concepts because the phenomenon is engaging and also illustrates many different chemical concepts and applications, including in quantum mechanics, spectroscopy, kinetics, equilibrium, and stoichiometry, through easily observable…

This article describes a comprehensive practical laboratory method for developing an enzyme to more easily measure glyphosate levels in solution. Through this article, undergraduate students of biology majors can conduct research experiments in critical fields by utilizing various techniques, such as chemiluminescence (CL) biosensors with…

The creation and use of models in science is of great importance for knowledge production and communication. For example, toy models are often used as idealized explanatory models in physics education. Models can be a powerful tool for exploring phenomena in ways that facilitate learning. However, careful consideration of instruction and…

In this study, we analyzed how general chemistry students generated experimental designs corresponding to general chemistry questions such as the ones typically found in general chemistry textbooks. We found that students were very successful in including experimental design aspects that were explicitly mentioned in the general chemistry…

Here we showcase an undergraduate teaching laboratory in which students synthesize and characterize colloidal nanoparticles of organic semiconductors and assess their suitability for applications in printed electronics such as solar cells and bioelectronics. Scanning electron microscopy, UV-visible spectroscopy, and photoluminescence spectroscopy…

In pharmaceutical laboratory teaching and learning, students' written reports allow them to document their understanding. Therefore, feedback on these reports is crucial for the students' continued learning. This study investigates written feedback on laboratory reports and compares the students' perceptions with teachers' intentions. The study is…

A multioutcome, discovery-based column (CC) and thin layer chromatography (TLC) experiment has been designed for introductory organic chemistry. Multiple outcomes were established using commercially available two- and three-component analgesic medications based on acetaminophen, acetylsalicylic acid (aspirin), and ibuprofen. A series of 11…