We have developed a multiweek laboratory project in which students isolate myoglobin and characterize its structure, function, and redox state. The important laboratory techniques covered in this project include size-exclusion chromatography, electrophoresis, spectrophotometric titration, and FTIR spectroscopy. Regarding protein structure,…

Background: We have developed several interactive virtual laboratories (IVLs) based on a sequence of agent-based molecular simulations designed to target specific threshold concepts to help students learn thermodynamics. We previously analyzed learning in the IVLs from a cognitive perspective, seeking to repair students' misconceptions; however,…

A reference electrode is an essential component of all three-electrode electrochemical measurements. Common commercial reference electrodes, including the saturated calomel electrode and Ag/AgCl reference electrode, are expensive with the former containing toxic mercury. Cheaper alternatives have been proposed including Ag/AgCl references made…

A novel laboratory curriculum is presented, developed around some common tasks of a laboratory researcher in chemistry: purification, synthesis, and measurement. The capstone of the sequence is an integrated laboratory, leading to a more independent research experience. Students who have completed this laboratory curriculum appear to perform…

The study of buoyancy becomes very interesting when we measure the apparent weight of the body and the liquid vessel weight. In this paper, we propose an experimental apparatus that measures both the forces mentioned before as a function of the depth that a cylinder is sunk into the water. It is done using two load cells connected to an Arduino.…

Surface modification has been considered as a fundamental item in upper-division undergraduate and master courses. Thus, the development of experiments regarding processes and characterization of surface-modification phenomena is highly desired. In this article, we propose an electrochemical and computational study of widely used…

Molecular symmetry plays a central role in chemistry education with regard to predicting chemical properties such as bonding and spectroscopic transitions. Better understanding of the symmetry of molecules requires high visual-spatial thinking ability. Conventional teaching methodologies, with limited teaching aides, fall short in providing a…

Drawing equipotential and electric field lines is an activity commonly found in most second-semester introductory physics courses. Unfortunately, current commercial lab offerings are expensive and do not afford the opportunity for real-time graphical visualization of the trends in voltage in different regions. In this brief article, we describe a…

The Curriculum of the Nigeria Certificate in Education (NCE) has implications for the Curriculum of the 9-year Basic Education (BEC) programme in Nigeria. Hence the National Commission for Colleges of Education (NCCE) came up with a vision of producing well motivated teachers with high professional integrity and competence. Both the in-service and…

This paper will describe risk-based process safety content that meets an ABET, Inc. Program Criteria requirement to include the hazards associated with chemical processes that is used in Louisiana State University's chemical engineering curriculum. The process to select the curriculum content follows what was used to define the outline for the…

Laboratory instruction is an important component of school-based agricultural education (SBAE) programs (Phipps, Osborne, Dyer, & Ball, 2008). Early field experience (EFE) coursework can be an important component of agricultural teacher preparation programs (Retallick & Miller, 2007). Through the use of a modified photovoice technique, we…

There is consensus in the literature that peer learning is beneficial for student content learning as well as affective response to courses. Peer learning methods are used frequently in large science and math courses and often show positive outcomes from all participants. Peer learning programs in undergraduate science education rarely distinguish…

This study explored the many layers involved in young children's meaning-making as they digitally compose. Utilizing a multimodal, social semiotics theoretical framework to analyze children's digital compositions using a composing app, this study was designed around one research question: What is the nature of three and four-year-old children's…

An experimental procedure is presented that was developed by fifth-year chemical engineering and industrial chemistry undergraduates at the Federal University of Rio de Janeiro doing the discipline on Experimental Organic Technology. The aim of this study was to apply the solvatochromic effect of the dye Nile Blue chloride to the characterization…

Suspended on-site instruction during the COVID-19 created an exceptional challenge for teaching hands-on laboratory classes. We designed an online laboratory activity using computational biology techniques to overcome this issue. This set of online exercises introduces bioinformatics skills into existing curricula in the form of guided tutorials…