This research paper aims to propose a novel didactic sequence inspired by an historical/epistemological study of the evolution of spectroscopy and in particular of colorimetry. The working principles of the historical color comparators and the visual color matching method, first proposed by Duboscq, stimulated us in the development of a five-step…

The equilibrium potential of an ion species is a crucial concept for medical students, as it is a prerequisite to fully understanding the pathophysiology of K+ imbalances (hyperkalemia and hypokalemia) in clinical practice. However, it remains a challenging concept because current medical physiology textbooks are too simplistic and overlook…

We developed a fluorescence microscopy lesson geared towards high school students. Our goals included demonstrating how fluorescence microscopy works and illustrating the localisation of key cellular structures/organelles in the model organism, budding yeast. A trained student teacher/researcher on our team took the microscopy images and…

A flipped classroom is an instructional method whereby students learn course content prior to attending class through various instructional resources. Class time is focused on problem-solving and active learning activities. Flipping the classroom allows instructors to utilize active learning strategies during class time to improve student…

Medicinal chemistry is a core course for undergraduate students who major in pharmacy, where complex drug structures and abstruse concepts often pose significant challenges for students. As an important supplement to classroom teaching, online teaching resources have demonstrated the ability to enhance students' interest in learning and improve…

The main objective of this four-year empirical research project has been to develop the experimental design skills of 12-16 year-old Hungarian pupils in Grades 7-10 of junior high school through guided inquiry, using six chemistry experiment worksheets each school year. Group 1 (control group) and Group 2 follow step-by-step instructions, but…

In this paper, a new practical training project was designed and implemented for a Bi-based semiconductor. It is convenient to investigate the structures and properties of semiconductors for undergraduate materials chemistry. Bi-based semiconductors are getting recognition for promising sunlight-driven properties. Among them, Bi[subscript…

This article highlights the multianalytical study of exuded liquid from an ancient Egyptian sealed alabaster vase by Master's students in an applied chemistry for cultural heritage course. Master students are introduced to the field of Archaeometry that see the collaboration of experts in different areas of research such as conservators, curators…

This study aims to determine the need for multitiered diagnostic instruments to identify misconceptions and their causes, as well as multi-representational profiles in chemistry lessons starting from grade 10 in the initial to the final material for grade 12. The data analysis technique used in this research is descriptive, namely descriptive…

In this study, teaching materials related to the history of science (HOS) related to the Boyle-Hobbes debate were developed through the analytical lens of framing theory. Further, this study developed the teaching materials for learning the social-institutional aspects of the reconceptualized family resemblance approach (FRA) to the nature of…

A chemistry laboratory experiment is described to introduce undergraduate college students to membrane separation technology. This experiment combines a simple nanowire membrane fabrication and visually indicated molecule separation. The membrane is produced via coprecipitation synthesis followed by a filtration assembly process, which can be…

The measurement of glucose through electrochemical methods is a great example to illustrate the practical application of electrochemistry. Although many students enrolled in chemistry classes are familiar with the glucose meter, only a few have delved into the underlying principles governing its operation. This experiment aims to address this gap…

Students' lack of understanding and ability to conceptualize chemistry material in real life requires an effort to integrate chemistry learning with cultural values or local wisdom. One such effort is the process of making eco-prints. This research aims to uncover the ethnoscience aspects (chemistry) involved in producing and selecting eco-print…

As a widely applied theory that has found success across many fields, density functional theory (DFT) is largely taught. Typically, the most effective way to convey DFT concepts is through illustrative examples that are currently lacking in available resources. In this work, we demonstrate total energy calculations for H[subscript 2] using…

A derivation of the conservation equations for fixed bed tubular reactors in cylindrical coordinates is presented and a differential operator for the substantial derivative in porous beds is introduced. The emphasis on the distinction between the functions of the void and volume fractions in the derivation of the conservation equations sets the…