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Musk Oxen and Micelles

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John W. Hill

University of Wisconsin-River Falls, River Falls, WI 54022

J. Chem. Educ., 1996, 73 (9), p 847

DOI: 10.1021/ed073p847

Publication Date (Web): September 1, 1996

Abstract

Musk oxen behavior provides an analogy to micelle formation by amphipathic substances. Mature male musk oxen protect their young and females from wolves by forming a protective circle around them. The males stand with their tails to the inside and their heads facing outward. Amphipathic substances such as soap form micelles. The hydrophobic hydrocarbon tails of the soap are turned to the inside of the micelle and the hydrophilic carboxylate heads are on the outside at the interface with the polar water molecules.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Pedagogy):

Analogies / Transfer

Keywords (Subject):

Micelles

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History

Received: August 03, 2009

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Musk Oxen and Micelles