From owner-biophys@hgmp.mrc.ac.uk Mon May 8 18:05:26 2000 Return-Path: Received: by mercury.hgmp.mrc.ac.uk (Postfix, from userid 110) id 9825E17ADF; Mon, 8 May 2000 18:05:24 +0100 (BST) Received: from niobium.hgmp.mrc.ac.uk (niobium [193.62.192.41]) by hgmp.mrc.ac.uk (8.9.3/8.9.3) with ESMTP id SAA15557 for ; Mon, 8 May 2000 18:05:18 +0100 (BST) Received: (from news@localhost) by niobium.hgmp.mrc.ac.uk (8.9.3+Sun/8.8.8) id SAA21436 for biophys-list@hgmp.mrc.ac.uk; Mon, 8 May 2000 18:05:17 +0100 (BST) X-Authentication-Warning: niobium.hgmp.mrc.ac.uk: news set sender to using -f From: mezine@pobox.upenn.edu (Igor Mezine) X-Newsgroups: bionet.biophysics Subject: Chaotropic effect Date: 8 May 2000 17:04:25 GMT Organization: University of Pennsylvania Lines: 8 Message-ID: <8f6s2p$soj$1@netnews.upenn.edu> X-Newsreader: TIN [version 1.2 PL2-upenn1.3] To: biophys@hgmp.mrc.ac.uk Sender: owner-biophys@hgmp.mrc.ac.uk Precedence: bulk Hello, I'm getting frustrated trying to find "comprehensive" description of chaotropic effect. Is there any quantitive theory explaining this effect? Is it possible to predict "sign" and magnitute of influence of a salt (or small organic molecule) on the structure of water? Thanks in advance for help Igor .