Ion Specific Hofmeister Effects: Faraday Discussion 160 (Faraday Discussions, 160) - Hardcover

Inhaltsangabe

The hydration of ions and the interactions of ions with (bio)molecules play a key role in many natural and technological processes. These effects are usually framed in terms of the lyotropic or Hofmeister series which traditionally orders cations and anions according to their ability to salt-out proteins. Since its formulation more than one hundred years ago, the lyotropic series has been invoked in myriad effects including the crystallization of proteins, enzyme activities, the swelling of tissues, salt solubilities, ion exchange, surface tension of electrolytes, and bubble coalescence. Although it is now clear that the Hofmeister series is intimately connected with ion hydration in homogeneous and heterogeneous environments and with ion pairing, the molecular origin of these effects has been poorly understood. Biochemists and physical chemists have been typically using the term Hofmeister series to put a label on ion specific behaviour in various environments, rather than to reach a molecular level understanding and, consequently, an ability to predict a particular effect of a specific salt ion.

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