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Spectroscopy in Sol-Gel Matrices: An Open-Ended Laboratory Experience for Upper-Level Undergraduates
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Abstract
Guided-inquiry/cooperative learning laboratory experiences encourage critical thinking, problem- solving and teamwork skills in students, and have been proposed for many undergraduate laboratories, particularly general and organic. Fewer reports have appeared for upper level courses such as instrumental analysis. In this report, we discuss our recent conversion of our Instrumental Analysis:Spectroscopy course to guided-inquiry format, and describe an appropriate novel experiment. Sol-gel technology is incorporated as a means to investigate spectral properties of various organic molecules. Students are exposed to silicate glass synthesis as well as modern spectroscopic techniques. Experimental details are researched, designed and executed by the students, and the results presented in both written format as well as oral presentation/examination.
Keywords (Audience):
Upper-Division UndergraduateKeywords (Domain):
Analytical ChemistryKeywords (Pedagogy):
Inquiry-Based / Discovery LearningKeywords (Subject):
Learning TheoriesCiting Articles
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This article has been cited by 5 ACS Journal articles (5 most recent appear below).
Biocatalysis with Sol−Gel Encapsulated Acid Phosphatase
Suhasini Kulkarni, Vu Tran, Maggie K.-M. Ho, Chieu Phan, Elizabeth Chin, Zeke Wemmer and Monika SommerhalterJournal of Chemical Education2010 87 (9), 958-960Biocatalysis with Sol−Gel Encapsulated Acid Phosphatase
Suhasini Kulkarni, Vu Tran, Maggie K.-M. Ho, Chieu Phan, Elizabeth Chin, Zeke Wemmer and Monika SommerhalterJournal of Chemical Education2010 87 (9), 958-960This experiment was performed in an upper-level undergraduate biochemistry laboratory course. Students learned how to immobilize an enzyme in a sol−gel matrix and how to perform and evaluate enzyme-activity measurements. The enzyme acid phosphatase (APase)...
Application of Ion Chromatography to the Investigation of Real-World Samples
David J. Rakestraw , Rebecca J. Whelan , Theresa E. Hannon and Richard N. ZareJournal of Chemical Education2004 81 (9), 1299Application of Ion Chromatography to the Investigation of Real-World Samples
David J. Rakestraw , Rebecca J. Whelan , Theresa E. Hannon and Richard N. ZareJournal of Chemical Education2004 81 (9), 1299An experiment using ion chromatography in an undergraduate analytical chemistry laboratory is described. The students, working in small groups, are responsible for identifying a real-world system of interest and for developing a strategy to investigate ...
Applications of the Sol-Gel Process Using Well-Tested Recipes
A. Celzard and J. F. MarêchéJournal of Chemical Education2002 79 (7), 854Applications of the Sol-Gel Process Using Well-Tested Recipes
A. Celzard and J. F. MarêchéJournal of Chemical Education2002 79 (7), 854Simple syntheses of glassy materials are proposed in this article. All of them are based on the sol–gel process and the polycondensation of metallo-organic molecular precursors in a solvent. The basic chemical reactions are reviewed, and the main steps of ...
Using Sol-Gel Chemistry to Synthesize a Material with Properties Suited for Chemical Sensing. Development and Implementation of a Materials Science Experiment for the Undergraduate Curriculum
J. B. Laughlin , J. L. Sarquis , V. M. Jones and J. A. CoxJournal of Chemical Education2000 77 (1), 77Using Sol-Gel Chemistry to Synthesize a Material with Properties Suited for Chemical Sensing. Development and Implementation of a Materials Science Experiment for the Undergraduate Curriculum
J. B. Laughlin , J. L. Sarquis , V. M. Jones and J. A. CoxJournal of Chemical Education2000 77 (1), 77Materials chemistry has become a field of high priority internationally, in terms of both fundamental and applied science. Although a growing field in industrial and scientific research, materials chemistry continues to be a minor segment of the academic ...
A Review of Laboratory Instruction Styles
Daniel S. DominJournal of Chemical Education1999 76 (4), 543A Review of Laboratory Instruction Styles
Daniel S. DominJournal of Chemical Education1999 76 (4), 543Through a review of the literature, this paper asserts that four distinct styles of laboratory instruction have been utilized throughout the history of chemistry education: expository (traditional), inquiry, discovery, and problem-based. Although these ...
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- Received: August 03, 2009
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