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Forbes-Lorman, Robin; Korb, Michele; Moser, Amy; Franzen, Margaret A.; Harris, Michelle A. – Journal of College Science Teaching, 2022
Physical and life science disciplines emphasize how basic structural units influence function, yet it is challenging for students to understand structure-function relationships, particularly at molecular scales. Undergraduates in our biology capstone course struggled to connect mutations in a gene encoding a key protein in a cell development…
Descriptors: Formative Evaluation, Science Education, Undergraduate Students, Summative Evaluation
Zhao, Yanlu; Lim, Minyoung; Choi, Sungmoon; Yu, Junhua – Journal of Biological Education, 2022
The attractive photophysical properties of luminescent nanoparticles have prompted numerous studies on their synthesis and biological applications. Due to the complexity of components, sizes, morphologies, and strong light scattering of the nanoparticles the absorption spectrum alone is not enough for characterising and analysing the real…
Descriptors: Spectroscopy, Cytology, Light, Science Instruction
Qianfu Luo; Chenyu Shi; Zhaoxia Wang; Meng Chen; Da-Hui Qu – Journal of Chemical Education, 2022
Given the importance of self-healing polymers for chemistry education, herein, we introduce our latest research results in self-healing materials based on thioctic acid into undergraduate chemistry laboratory. In this experiment, a natural small molecule, thioctic acid (TA), and a few other commercially-available reagents have been used to make a…
Descriptors: Chemistry, Plastics, Undergraduate Study, College Science
Brannon, Jacob P.; Ramirez, Isaac; Williams, DaShawn; Barding, Gregory A., Jr.; Liu, Yan; McCulloch, Kathryn M.; Chandrasekaran, Perumalreddy; Stieber, S. Chantal E. – Journal of Chemical Education, 2020
Experimental methods for determining 3-D atomic structures, such as crystallography, are rarely taught in the undergraduate curriculum, yet are considered to be the norm for 3-D structure determination in a research setting. Although a fully physical understanding of crystallography takes years of practice, practical applications and basic…
Descriptors: Science Instruction, College Science, Inorganic Chemistry, Molecular Structure
Rasmawan, Rahmat – International Journal of Instruction, 2020
The purpose of this research was to develop a multi-representation based e-book on the concept of intermolecular forces that is valid and feasible for use. The form of research used was Research and Development (R&D), which refers to the ADDIE development model consisting of five stages, namely analysis, design, development, implementation and…
Descriptors: Textbook Preparation, Multimedia Materials, Electronic Publishing, Molecular Structure
Punnoose, Jibin Abraham; Halvorsen, Ken; Chandrasekaran, Arun Richard – Journal of Chemical Education, 2020
There is a disconnect between the cutting-edge research done in academic laboratories, such as nanotechnology, and what is taught in undergraduate laboratories. In the current undergraduate curriculum, very few students get a chance to do hands-on experiments in nanotechnology-related fields, most of which are through selective undergraduate…
Descriptors: Undergraduate Students, Science Instruction, Genetics, Teaching Methods
Huggins, Michael T.; Kesharwani, Tanay; Buttrick, Jonathan; Nicholson, Christopher – Journal of Chemical Education, 2020
Nuclear magnetic resonance (NMR) spectroscopy has become a cornerstone tool for studying a variety of molecular features in advanced chemistry laboratories. In this experiment, students prepare a pyrrole-[beta]-amide via a one-pot, three-step synthesis and use NMR spectroscopy to confirm its molecular structure. In addition, variable temperature…
Descriptors: Spectroscopy, Science Experiments, College Science, Undergraduate Study
Yuan, Min; Sun, Chun-Yan; Liu, Yi-Wei; Lu, Ying; Zhang, Zhong; Li, Xiao-Hui; Tian, Hong-Rui; Zhang, Shan; Liu, Shu-Xia – Journal of Chemical Education, 2020
A research-style laboratory experiment for advanced undergraduate students is described, which includes the synthesis, characterization, and properties (porosity, stability, amphipathy) testing of the composite [Cu[subscript 2](BTC)[subscript 4/3](H[subscript 2]O)[subscript 2][subscript 6][HPW[subscript 12]O[subscript 40]·(C[subscript…
Descriptors: Inorganic Chemistry, Science Experiments, Laboratory Experiments, Advanced Students
Hanson, Benjamin S.; Brown, Christa P.; Laurent, Harrison; Hughes, Matt D. G.; Dougan, Lorna – Physics Education, 2020
Hierarchical structure and mechanics are crucial in biological systems as they allow for smaller molecules, such as proteins and sugars, to be used in the construction of large scale biological structures exhibiting properties such as structural support functionality. By exploring the fundamental principles of structure and mechanics at the…
Descriptors: Mechanics (Physics), Biology, Science Instruction, Science Activities
Carle, Myriam S.; Flynn, Alison B. – Chemistry Education Research and Practice, 2020
The concept of delocalization (i.e., resonance) is fundamental concept in organic chemistry but essential learning outcomes (LOs) have not previously been proposed nor has there been an analysis of how resonance is taught, despite indications in the literature that students have many non-canonical ideas about the concepts. To address this deficit,…
Descriptors: Science Instruction, Organic Chemistry, Scientific Concepts, Teaching Methods
Patron, Emelie; Linder, Cedric; Wikman, Susanne – Science Education, 2021
Since visual representations play a particularly important role in the teaching and learning of chemistry, the exploration described in this article focuses on them. This is an explorative study of the qualitatively different ways that visual representations can be unpacked by Swedish upper secondary school chemistry teachers dealing with…
Descriptors: Science Instruction, Secondary School Science, Visual Aids, Molecular Structure
Juszczak, Laura J. – Journal of Chemical Education, 2021
One of the more difficult concepts introduced in the first-year undergraduate course, general chemistry, is that of chirality. Typically, left and right hands are the common, macroscopic objects of reference used to demonstrate the quality of being nonsuperimposable, followed by the use of a mirror and molecular models, to illustrate molecular…
Descriptors: Undergraduate Students, College Science, Scientific Concepts, Science Instruction
Rattanapirun, Narapat; Laosinchai, Parames – Journal of Chemical Education, 2021
Molecular symmetry is a topic that requires mental manipulation of molecules when searching for symmetry elements and their corresponding symmetry operations. Such mental activities are difficult for students in a traditional classroom where only definitions and demonstrations are provided. Therefore, an exploration-based activity was developed to…
Descriptors: Chemistry, Molecular Structure, College Science, College Students
Allbee, Quinn; Barber, Robert – Biochemistry and Molecular Biology Education, 2021
Biology is a data-driven discipline facilitated greatly by computer programming skills. This article describes an introductory experiential programming activity that can be integrated into distance learning environments. Students are asked to develop their own Python programs to identify the nature of alleles linked to disease. This activity…
Descriptors: Genetics, Science Instruction, Programming Languages, Biology
VanVeller, Brett – Journal of Chemical Education, 2021
When organic students are asked to design a total synthesis of a molecule, they are often overwhelmed by the multitude of possible transformations. A decision tree is a useful tool to break complex problems up into simpler steps and scaffold the thinking process that many seasoned chemists take for granted. While many comprehensive resources…
Descriptors: Decision Making, Science Instruction, Molecular Structure, Problem Solving