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chaotropism

Pronunciation: kā′ō-trōp′izm

Definition: Property of some substances, usually ions (SCN−, ClO4−, guanidinium), to disrupt the structure of water and thereby promote the solubility of nonpolar substances in polar solvents (water), the unfolding of proteins, the elution from or movement through a chromatographic medium of an otherwise tightly bound substance, etc.

[G. chaos, disorder, confusion, + tropē, a turning]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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