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Showing 1 to 15 of 56 results Save | Export
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Sadegh-cheri, Mohammad – Journal of Chemical Education, 2022
The accurate and precise transport of the small amounts of the liquid by the syringe pump is widely used in many fields. In this paper, an Arduino-based syringe pump is fabricated using the computer DVD (digital versatile disc) drive. For the fabrication of the syringe pump, low-cost electronic components such as an Arduino microcontroller, a…
Descriptors: Science Instruction, Laboratory Equipment, Video Technology, Computer Peripherals
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Renner, Melissa; Griesbeck, Axel – Journal of Chemical Education, 2020
Due to immense cost reduction and routine commercial availability, 3D printing has become the cutting-edge technology with enormous potential--also for educational and applied chemistry. It opens the opportunity to print custom-made reactors, such as (micro) flow reactors. In addition, 3D-printing technology can simplify chemical reactions, such…
Descriptors: Printing, Computer Peripherals, Models, Chemistry
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Singhal, Ishu; Balaji, B. S. – Journal of Chemical Education, 2022
Learning to write chemical formulas of compounds is a basic and indispensable part of understanding and studying chemistry. However, it is hard for students with visual impairment to assess and learn molecular arrangements and formulas. For the convenience of such students with special needs, it is necessary to come up with easy, comprehensive,…
Descriptors: Open Source Technology, Chemistry, Computer Peripherals, Visual Impairments
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Methin Intaraprasit; Piyathida Tawornparcha; Pann Veerapong; Taweetham Limpanuparb – Journal of Chemical Education, 2023
Experiments involving electrochemical cells are of great pedagogical value for learners of introductory chemistry. This paper discusses an improved experimental kit made from a 24-well cell culture plate and a 3D-printed scaffold. The current design focuses not only on the accuracy of the result but also on the intuitiveness of the wiring work and…
Descriptors: Chemistry, Printing, Computer Peripherals, Accuracy
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Niece, Brian K. – Journal of Chemical Education, 2019
Models were prepared by 3D printing that can be used to demonstrate the operations required for the study of molecular symmetry. The models were designed to emphasize the order and locations of rotation axes and to clearly illustrate the more abstract reflection and improper rotation axes. The models were well-received by students in a course on…
Descriptors: Molecular Structure, Computer Peripherals, Science Instruction, Teaching Methods
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Ramos, L. M.; Reis, C. R. N.; Calheiro, L. B.; Goncalves, A. M. B. – Physics Education, 2021
Using a joystick module, we followed the movement of a chaotic magnetic pendulum. The pendulum bar was attached to a joystick that served as a pivot point and biaxial angular motion sensor. Using an Arduino board, we could follow the position as a function of time along both the "x" and "y"-axis and draw a graph showing the…
Descriptors: Physics, Science Instruction, Computer Software, Motion
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Killian, Benjamin J.; Singletary, Steven – Journal of Chemical Education, 2022
We present a modernization of the undergraduate physical chemistry laboratory experiment for determining the speed of sound in various gases from resonant frequencies in a spherical resonator. The resonator (schematic IR = 7.5 cm) is constructed by 3D printing with eco-friendly poly(lactic acid), a commercially viable alternative to traditional…
Descriptors: Undergraduate Study, College Science, Chemistry, Physics
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Sadegh-cheri, Mohammad – Journal of Chemical Education, 2020
The separation of suspensions and immiscible liquids by the laboratory centrifuge is widely used in such fields as chemistry, biology, biochemistry, and clinical medicine. In this paper, an Arduino-based microcentrifuge was fabricated using a computer DVD (digital versatile disc) drive. The hardware part consisted of inexpensive mechanical and…
Descriptors: Science Instruction, Educational Technology, Computer Peripherals, College Science
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Kerwin, Sean M. – Biochemistry and Molecular Biology Education, 2019
A flexible and modular peptide modeling set was designed using freely available software tools. The set consists of space-filling models of all 20 naturally occurring amino acid side chains and a modular kit for constructing peptides employing C-alpha carbons and amide bond groups. Connectors that allow free rotation about phi and psi angles on…
Descriptors: Computer Software, Teaching Methods, Science Instruction, Computer Peripherals
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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
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Regester, Jeff; McGahee, Courtney – Physics Teacher, 2019
A planetarium is an invaluable tool for teaching introductory astronomy, but one that few astronomy educators have ready access to. Here we describe a do-it-yourself planetarium that can be built with modest funding. There have been other planetarium construction projects described in the literature and online, most of which use cardboard to make…
Descriptors: Physics, Science Instruction, Astronomy, Introductory Courses
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Nicholds, Katie – Primary Science, 2021
At Race Leys Junior School in Warwickshire, creative and unique experiences are at the forefront of the minds of the teachers. As a team, the teachers are always seeking new and innovative ideas to enrich their curriculum. Over the last year, through the COVID-19 pandemic, they have become more adventurous with their thinking and lesson delivery.…
Descriptors: Foreign Countries, Science Instruction, Creative Teaching, Instructional Innovation
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Bullis, Ryan; Coker, Joseph; Belding, Jacob; De Groodt, Adam; Mitchell, Dylan W.; Velazquez, Nancy; Bell, Ashtyn; Hall, Jaycee; Gunderson, William A.; Gunderson, Julie E. C. – Journal of Chemical Education, 2021
A fluorometer is a device that measures the spectroscopic properties of fluorescent materials, and fluorometry is used widely in chemistry research settings to characterize fluorescent samples. One of the obstacles faced by undergraduate programs looking to implement fluorometer-based experiments into their laboratory curriculum is the high cost…
Descriptors: Chemistry, Measurement Equipment, Laboratory Equipment, Spectroscopy
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Gunderson, Julie E. C.; Mitchell, Dylan W.; Bullis, Ryan G.; Steward, John Q.; Gunderson, William A. – Journal of Chemical Education, 2020
Fused filament fabrication 3D printing is a process by which three-dimensional objects are created by depositing layers of a material onto a hard, flat surface by a robot. It is often referred to as an "additive manufacturing" technique because material is added in successive layers to create an object. Because many scientific…
Descriptors: Chemistry, Science Instruction, Computer Software, Computer Peripherals
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Sanii, Babak – Journal of Chemical Education, 2020
Augmented reality (AR) is a means of superimposing artificial 3D objects over the real world via a mobile device. An AR standard file format has been recently implemented on mobile devices that current students commonly own. Here we describe three relatively nontechnical methods to produce 3D AR objects for chemistry courses and demonstrate their…
Descriptors: Computer Simulation, Computer Peripherals, Handheld Devices, Visualization
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