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Beni B. Dangi; Maggie A. Cooper; Nathaniel Carnegie; Judy Clark – Journal of Chemical Education, 2025
A laboratory experiment has been designed for teaching laboratories aimed at training students in the basics of spectroscopy in junior and senior level undergraduate chemistry courses. Despite the ubiquity of light-based tools in modern science, students often find it difficult to comprehend light and light-matter interactions. A portable…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Spectroscopy
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Courtney H. Deslauriers; Benjamin J. Knurr – Journal of Chemical Education, 2024
Experiments that explore quantum principles while utilizing and reinforcing previous synthesis skills are excellent for engaging students and promoting the interconnected nature of chemistry. This experiment utilizes sophomore-level organic synthesis techniques to have students produce their own "meso" substituted porphyrins. The UV-vis…
Descriptors: Undergraduate Students, Science Instruction, Chemistry, Spectroscopy
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Philip P. Lampkin; Angie E. Xu; Brian J. Esselman; Cara E. Schwarz; Sebastian D. Thompson; Samuel H. Gellman; Nicholas J. Hill – Journal of Chemical Education, 2024
Synthesis of (Z)-alkenes is challenging because the (E) stereoisomers are usually more stable. Energy transfer photocatalysis has emerged as an efficient strategy for (E) [right arrow] (Z) alkene isomerization. We report the development of an advanced undergraduate laboratory experiment that introduces students to contemporary organic…
Descriptors: Undergraduate Students, Science Instruction, Chemistry, Organic Chemistry
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Laura M. Hancock; David J. McGarvey; Daniela Plana – Journal of Chemical Education, 2023
A laboratory experiment in which [superscript 1]H NMR and UV-vis spectroscopies are applied to probe the temperature dependence of a monomer-dimer equilibrium involving a cyclopentadienone derivative is described and discussed. Details of the data analysis for extraction of equilibrium constants from the raw experimental data from both techniques…
Descriptors: Undergraduate Students, Thermodynamics, Chemistry, Science Instruction
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Anna Laguta; Natalya Vodolazkaya; Dmitry Nerukh – Journal of Chemical Education, 2024
Chemistry experiments involving biological aspects are in high demand. This laboratory exercise blends biochemistry and physical chemistry, illustrates key concepts of the virus capsid surface, and is designed for a chemistry laboratory course for students majoring in biology in college. The experimental part provides a mastery of…
Descriptors: Undergraduate Students, Science Instruction, Chemistry, Biochemistry
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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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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
Shawn D. Montag – Journal of Chemical Education, 2023
The imine condensation reaction is commonly addressed in second semester organic chemistry classrooms as imines and their derivatives are found in many pharmaceutical scaffolds and biological and catalytic processes. Despite this, imine condensations are still absent from many organic chemistry laboratory curriculums. The work discussed here…
Descriptors: Organic Chemistry, Science Instruction, Laboratory Experiments, Spectroscopy
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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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Jakub A. Konkol; George Tsilomelekis – Journal of Chemical Education, 2023
Preprocessing is a critical step in the analysis pipeline of spectroscopic data. However, students are rarely introduced to preprocessing when learning spectral techniques in laboratory courses which in turn may affect and delay their progress in the field. Despite its undoubtable importance, students will be mainly performing spectroscopic…
Descriptors: Laboratory Experiments, Science Instruction, Spectroscopy, Interaction
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Delgado, Teresa; Villard, Me´lanie – Journal of Chemical Education, 2022
Spin crossover (SCO) materials that switch between two different spin states, that is, the high spin (HS) and the low spin (LS) state, with very different optical, magnetic, and structural properties offer a unique platform to understand the consequences induced by the different electronic configurations of transition metal complexes. Due to the…
Descriptors: Inorganic Chemistry, Laboratory Training, Laboratory Experiments, Science Experiments
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George Lisensky – Journal of Chemical Education, 2022
Starting with a double replacement reaction in alcohol between Ni(H[subscript 2]O)[subscript 6](NO[subscript 3])[subscript 2] and NaX, students exploit solubility differences to produce a solution of NiX[subscript 2] and a NaNO[subscript 3] precipitate. They then synthesize a bis(N,N-diethylethylenediamine) Ni(II) complex with chloride, bromide,…
Descriptors: Science Experiments, Laboratory Experiments, Science Laboratories, Scientific Concepts
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Hannah Kessler; Christopher M. Russo; Vincent Fumo; Matthew C. O'Reilly – Journal of Chemical Education, 2022
Spectroscopic characterization of molecules is typically reinforced in the organic chemistry teaching laboratory via the analysis of reaction products by NMR and IR, and initial coverage of these topics can include experiments involving the identification of unknown compounds. To combine the unknown identification component with common laboratory…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Instruction, Pharmaceutical Education
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James A. Ciaccio; Baran Ak; Kareem Hassan – Journal of Chemical Education, 2023
The pharmacologically active lignans sesamin and sesamolin are minor components of sesame oil and ingredients in OTC dietary supplement capsules. We report an introductory undergraduate organic laboratory experiment combining natural product isolation and spectral analysis in which students isolate a mixture of sesamin and sesamolin by either (1)…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Organic Chemistry
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Lauren I. Austen; Thomas I. J. Dugmore; Avtar S. Matharu; Glenn A. Hurst – Journal of Chemical Education, 2023
A laboratory experiment was designed to provide students with an introduction to byproduct valorization by producing an analogue of biodiesel (fatty acid ethyl esters, FAEE) via lipid extraction and subsequent transesterification from spent coffee grounds (SCG). Valorization is the process of upgrading underutilized or discarded wastes or…
Descriptors: Chemistry, Laboratory Experiments, Scientific Concepts, Sanitation
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