chaotropism

chaotropism: The property of certain substances, usually ions ( e.g., SCN⁻, ClO₄⁻, guanidinium), to disrupt the structure of water and thereby promote the solubility of nonpolar substances in polar solvents ( e.g., 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, + trope, a turning]

Игры ⚽ Поможем решить контрольную работу

chaotropism — noun The ability to disrupt hydrogen bonding, especially within or between biological molecules The chaotropism of chlorate is greater than that of sulfate. See Also: chaotropic … Wiktionary
chaotropic — adjective That disrupts hydrogen bonds, especially within or between biological molecules ,The chaotropic salt inactivated the catalytic function of the peptide. Ant: kosmotropic See Also: chaotropism … Wiktionary
chaotropic — Pertaining to chaotropism. * * * chao·tro·pic .kā ə trōp ik, träp adj disrupting the structure of water, macromolecules, or a living system so as to promote activities (as change in protein conformation in solution or migration through a… … Medical dictionary

Academic Dictionaries and Encyclopedias