JCE 2003 (80) 1219 [Oct] Featured Molecules: Quinine and Urea


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Home > JCE Print > Journal of Chemical Education > Issues > 2003 > October >

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Featured Molecules: Quinine and Urea

William F. Coleman
Chemistry Department, Wellesley College, Wellesley, MA 02481

October 2003
Vol. 80 No. 10
p. 1219

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The WebWare molecules of the month are discussed in two laboratory articles in this issue. Quinine is studied in the article “A Fluorimetric Approach to Studying the Effects of Ionic Strength on Reaction Rates: An Undergraduate Steady-State Fluorescence Laboratory Experiment” by Stephen W. Bigger, Peter J. Watkins, and Bruce Verity. Urea, a typical protein denaturant, is used as a cosolvent in the article “Transfer Free Energy and the Hydrophobic Effect” by Joseph M. Serafin.

Fully manipulable (Chime) versions of these and other molecules are available at Only@JCE Online.

Static image of quinine molecule.

Figure 1. Quinine molecule. Interactive Chime-based structure (top); static structure graphic (bottom)

Static image of urea molecule.

Figure 2. Urea molecule. Interactive Chime-based structure (top); static structure graphic (bottom).

More Information
Citation	Coleman, William F. J. Chem. Educ. 2003 80 1219.
Keywords	Internet / Web-Based Materials; Molecular Modeling / Dynamics; Molecular Properties / Structure; Multimedia
History	Created: Last Updated:	September 2, 2003 February 28, 2005


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