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JonathanG. H. Stathakis; Jake A. Cravino; Ross Andrew Shalliker – Journal of Chemical Education, 2023
In today's global economy, the origin of the food we eat is becoming more and more difficult to identify. Verifying the authenticity of products to protect supply chains is a complicated problem that requires a multidisciplinary approach. Chemical authentication of foodstuffs often includes a mass spectrometer detector; however, they are costly…
Descriptors: Food, Chemistry, Science Instruction, Science Experiments
Alain M. Beauparlant; Cassandra T. Eagle; Reza Mohseni; Colin D. McMillen – Journal of Chemical Education, 2023
We developed a single crystal X-ray crystallography experiment based on the crystal structure of sucrose (table sugar), and a more challenging experiment using Epsom salt. Both crystals are readily available in X-ray quality crystalline form. In these experiments, students mounted a crystal on a MiTeGen loop and analyzed it using a Rigaku XtaLAB…
Descriptors: Undergraduate Students, COVID-19, Pandemics, Laboratory Procedures
Paul, Noel M.; Yoder, Ryan J.; Callam, Christopher S. – Journal of Chemical Education, 2019
Fluency in both the construction and interpretation of molecular structures is a critical learning objective in the second-year organic chemistry curriculum. With the introduction of PerkinElmer's ChemDraw structure drawing tool into undergraduate laboratory courses, students are challenged to develop fundamental molecular drawing skills using…
Descriptors: Organic Chemistry, Science Instruction, Computer Assisted Instruction, Computer Software
Jie Xu; Zhihua Shao; Song Jia; Jihong Sha; Jiao Li; Furong Gao; Xiujuan Shi; Juan Wang; Caixia Jin; Mei Jiang; Haibin Tian; Jinfeng Cao; Hu Pu; Lei Xu; Lixia Lu – Biochemistry and Molecular Biology Education, 2024
The laboratory practice "Primary culture and directional differentiation of rat bone marrow mesenchymal stem cells (BMSCs)" is part of a required course for sophomore medical students at Tongji university, which has been conducted since 2012. Blended learning has been widely applied in medical courses. Based on a student-centered…
Descriptors: Cytology, Biochemistry, Science Instruction, Laboratory Experiments
Kosenkov, Yana; Kosenkov, Dmitri – Journal of Chemical Education, 2021
A novel technology that employs computer vision (CV) to carry out an automatic titration experiment is presented. The experiment is designed to facilitate understanding of the basics of the CV technology and its application in chemistry among undergraduate students. The standard chemical procedure of titration has been chosen, since it is…
Descriptors: Undergraduate Students, Chemistry, Computer Uses in Education, Science Experiments
Arslan, Reyhane; Kofoglu, Muhammed; Dargut, Caner – Journal of Turkish Science Education, 2020
In biology education which is an inseparable discipline of medical and veterinary education, it is of great importance that enabling students to make practice in real conditions and gain knowledge and skills related to their professional fields during their education. It is necessary to adapt the new technologies rapidly to education rather than…
Descriptors: Biology, Science Instruction, Teaching Methods, Computer Simulation
Bigger, Stephen W.; Bigger, Andrew S. – Journal of Chemical Education, 2013
The FluAnisot educational software package is a fully contained tutorial on the technique of fluorescence anisotropy measurement as well as a simulator on
which two experiments can be performed. The procedure for each of the experiments is also contained within the package along with example analyses of results that were obtained using the…
Descriptors: Computer Software, Computer Uses in Education, Educational Technology, Science Instruction
Gamarra, Soledad; Dudiuk, Catiana; Mancilla, Estefania; Vera Garate, Maria Veronica; Guerrero, Sergio; Garcia-Effron, Guillermo – Biochemistry and Molecular Biology Education, 2013
"Candida" spp. includes more than 160 species but only 20 species pose clinical problems. "C. albicans" and "C. parapsilosis" account for more than 75% of all the fungemias worldwide. In 1995 and 2005, one "C. albicans" and two "C. parapsilosis"-related species were described, respectively. Using…
Descriptors: Science Laboratories, Science Instruction, Molecular Biology, Science Experiments
Mehl, Andrew F.; Crawford, Mary A.; Zhang, Lei – Journal of Chemical Education, 2009
Few laboratory procedures describe the use of circular dichroism (CD) at the undergraduate level. To increase the number of laboratory exercises using CD, a thermal denaturation study of myoglobin using CD is described to assess protein stability. Values obtained from a more classic linear data analysis approach are consistent with data analyzed…
Descriptors: Laboratory Procedures, Data Analysis, Science Experiments, Spectroscopy
Hack, William Nathan; Baird, William H. – Physics Teacher, 2012
The speed of sound is a physical property that can be measured easily in the lab. However, finding an inexpensive and intuitive way for students to determine this speed has been more involved. The introduction of affordable consumer-grade high-speed cameras (such as the Exilim EX-FC100) makes conceptually simple experiments feasible. Since the…
Descriptors: Video Technology, Photography, Motion, Physics
Henary, Maher M.; Russell, Arlene A. – Journal of Chemical Education, 2007
Kinetics constitutes a core topic in both the lecture and laboratory components of lower- level chemistry courses. While textbook examples can ignore issues of time, temperature and safety, the laboratory can not. Reactions must occur slowly enough to be detected by students, occur rapidly enough for data collection in the few hours assigned to a…
Descriptors: Organic Chemistry, Spreadsheets, Laboratory Equipment, Laboratory Experiments
Allchin, Douglas – American Biology Teacher, 2005
Computer programs and models are used to express respect for life by not sacrificing any animal but these alternatives might be deeply flawed. Alternatives to dissection are perverse alternatives that tend to preserve the features of inappropriate dissections like destructiveness, reductionism and objectification.
Descriptors: Laboratory Procedures, Animals, Science Instruction, Biology

McDermott, J. – Journal of Biological Education, 1985
Describes a computer program that students use to check their suggestions of possible lines of investigation during a microbiology exercise, the results of procedures, and the decisions made on the basis of experimental evidence. Effectiveness of the program and practical aspects of the investigation are considered. (DH)
Descriptors: College Science, Computer Software, Higher Education, Laboratory Procedures

Brittain, T. – Biochemical Education, 1986
Describes an experiment which allows students to identify the nature of the time-course for chymotrypsin and to obtain mechanistic information on the two kinetic phases in terms of their concentration dependence. Also describes the computer simulation (available from the author) used in the experiment. (JN)
Descriptors: Biochemistry, College Science, Computer Simulation, Computer Software

Lane, Charles A.; And Others – Journal of Chemical Education, 1984
Discusses modifications in the fatty acid monolayer experiment to reduce the inaccurate moleculary data students usually obtain. Copies of the experimental procedure used and a Pascal computer program to work up the data are available from the authors. (JN)
Descriptors: Chemistry, College Science, Computer Software, Higher Education
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