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Showing 1 to 15 of 104 results Save | Export
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Matthew R. Anderson; Cammi J. Dargatz; Tuhina Banerjee; Natasha M. DeVore – Biochemistry and Molecular Biology Education, 2024
Green fluorescent protein has long been a favorite protein for demonstrating protein purification in the biochemistry lab course. The protein's vivid green color helps demonstrate to students the concept(s) behind affinity or ion exchange chromatography. We designed a series of introduction to biochemistry labs utilizing a thermostable green…
Descriptors: Science Education, Biochemistry, Laboratory Experiments, Color
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Sofia F. Palme; Andrew H. Johnson; Graeme R. A. Wyllie – Journal of Chemical Education, 2024
A major challenge when designing new experiments for the general chemistry laboratory is introducing students to the necessary techniques while keeping the experiment engaging and accessible. This work presents a new multiweek activity designed to introduce students to advanced instrumentation in the form of high-performance liquid chromatography…
Descriptors: Chemistry, Science Education, Color, Food
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Haibo Zhang; Qiong Ding; Ruohan Li; Weihong Chen; Peng Wang – Journal of Chemical Education, 2024
Liquid metals are widely applied in various fields, including chemistry, catalysis, energy storage, chemical sensing, and stretchable electronics, due to their unique deformabilities. However, their behavior under a rod or ring electrode has never been analyzed. Furthermore, research on the deformation behavior of eutectic Ga--In (EGaIn), the most…
Descriptors: Metallurgy, Scientific Concepts, Science Experiments, Chemistry
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Daniele Crisafulli; Giulia Savoca; Francesca Mancuso; Martina Mazzaferro; Marco Milone; Ilenia Pisagatti; Anna Notti; Melchiorre F. Parisi; Giuseppe Gattuso – Journal of Chemical Education, 2024
In this two-session experiment for an organic chemistry lab, students prepare a macrocyclic host compound--namely, a pillar[5]arene--by means of a templated 1,4-dimethoxybenzene/formaldehyde cyclo-oligomerization (session 1), and then, they explore its molecular recognition properties toward the 1,8-diaminooctane guest with the aid of [superscript…
Descriptors: Scientific Concepts, Organic Chemistry, Science Experiments, Laboratory Experiments
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S. Ephraim Neumann; Kallie Neumann; Zhiling Zheng; Nikita Hanikel; Jonathan Tsao; Omar M. Yaghi – Journal of Chemical Education, 2023
Educational content is consistently adapted to enhance the learning experience of students at all experience and skill levels. Student motivation and accessibility are key factors in teaching science to a broad audience. The presented experiments engage the students by relating the content to that which is immediately relevant to them: the threat…
Descriptors: Water, Student Interests, Science Education, Laboratory Experiments
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Midori Tanaka; Toshimichi Shibue – Journal of Chemical Education, 2023
High-resolution mass spectrometry (HRMS) is an analytical technique that is typically used by mass spectrometry experts. However, with recent advancements, it is becoming more accessible to students in organic chemistry laboratories. Still, a significant knowledge gap exists between these experts and students. A straightforward laboratory…
Descriptors: Organic Chemistry, Spectroscopy, Laboratory Experiments, Scientific Research
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Adrian R. Hilts; Jason Cooke – Journal of Chemical Education, 2023
The addition of a small excess of triethyl orthoformate to an alcoholic mixture of NiCl[subscript 2]·6H[subscript 2]O and triphenylphosphine (PPh[subscript 3]) results in an increase in the typical isolated yield of [NiCl[subscript 2](PPh[subscript 3])[subscript 2]] from below 50% to over 85%. The impact of water when present in the reaction…
Descriptors: College Science, Chemistry, Undergraduate Study, Scientific Concepts
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Simeen Sattar – Journal of Chemical Education, 2024
Lakes are artists' pigments made from colorants bound to an inert substrate, usually hydrated aluminum oxide. Before the late 19th century, lakes were made from natural pigments extracted from plants and insects, extracted either directly from the dyestuff or indirectly from waste materials generated in the manufacture of dyed textiles. The first…
Descriptors: Color, Science Experiments, Laboratory Experiments, Science Education
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Y. Justin Lim; Brandon Wong; Katie Macfee; Alexa Cueva; E. Aaron Martinez; Cameron Paxton; Robin Barnes; Eric Kleinsasser; Travis J. Williams – Journal of Chemical Education, 2024
Most students enter college without any exposure to polymer science, which leads to the poor understanding and slow implementation of plastic recycling programs in the United States. To address the knowledge gap in chemical recycling, we introduce a 2-part laboratory experiment that was conducted in multiple high schools and public outreach events…
Descriptors: Secondary School Science, Science Experiments, Chemistry, Recycling
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Shun Iwasaki; Satoki Kodani; Yuto Zushi; Mito Hotta; Masami Hara; Tomoyuki Tatsuoka; Nobuyoshi Koga – Journal of Chemical Education, 2023
In this laboratory experiment, a guided inquiry exploring the physicochemical principles of the dissolution of Ca(OH)[subscript 2](s) in water is proposed for laboratory classes in university and high school. As part of students' inquiry, two experimental approaches are used. One is the change in solubility with temperature revealed by measuring…
Descriptors: College Science, Secondary School Science, Science Education, Science Laboratories
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Diederick Maes; Kevin Bevernaege; Kamil Unal; Elias Denijs; Johan M. Winne – Journal of Chemical Education, 2024
An undergraduate laboratory experiment has been developed for the synthesis of a reactive cross-linker that is useful in various highly visual demonstrations of organic reactivity, click chemistry, and biobased polymer synthesis. A triazolinedione-based cross-linker, which is known as a useful reagent for click chemistry, can be obtained from…
Descriptors: Organic Chemistry, Laboratory Experiments, Undergraduate Study, Science Education
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Ayele´n F. Crespi; Juan M. La´zaro-Marti´nez – Journal of Chemical Education, 2023
The carbonyl group of an aldehyde or ketone reacts with different types of nucleophiles through a nucleophilic addition reaction. When the nucleophile is water, the product obtained is a "gem"-diol or geminal diol. This functionalization is unstable and quickly reverts to the parent carbonyl group. The chemistry of "gem"-diols…
Descriptors: Scientific Concepts, Chemistry, Laboratory Experiments, Undergraduate Study
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Masaki Uchida; Candice H. Cortney; Karina Bustos; Elia Manzo; Emily Sauls; Jacob Bouchard; Risako Fukazawa; Viswanathan V. Krishnan – Journal of Chemical Education, 2023
Understanding the basics of d-electron configuration and the spin state of coordination complexes are essential elements of undergraduate inorganic chemistry. However, students in these courses find it difficult to conceptualize the ideas. Here, we have developed an undergraduate laboratory experiment that allows students to systematically…
Descriptors: Undergraduate Study, College Science, Chemistry, Science Education
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Steve Sternberg; Lyndon Ramrattan; Richard Davis; Moe Benda; Victor Lai; Michael Rother; Guy Sander; Tsutomu Shimotori; Sam Toan; Zhihua Xu; Weiguo Xie – Chemical Engineering Education, 2024
CACAO (Chocolate Across the Curriculum and Outreach) is a vertical curriculum augmentation designed to help students across the ChE undergraduate program. The students use a chocolate-based food engineering lab to make connections between core chemical engineering topics using hands-on and project-based learning. Costs to create this component are…
Descriptors: Food, Industry, Integrated Curriculum, Chemistry
Julie T. Millard; Ronald F. Peck; Tina M. Beachy; Victoria L. Hepburn – Journal of Chemical Education, 2023
An experiment for the upper-level biochemistry laboratory is described in which students isolate a wild yeast from environmental sources and characterize the strain for its potential in the brewing industry. In addition to providing valuable experience in important biochemical techniques, this study also illustrates key principles of…
Descriptors: Science Experiments, Laboratory Experiments, Biochemistry, Science Education
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