Homeopathy 2007; 96(03): 163-169
DOI: 10.1016/j.homp.2007.05.007
Copyright © The Faculty of Homeopathy 2007

The ‘Memory of Water’: an almost deciphered enigma. Dissipative structures in extremely dilute aqueous solutions

V. Elia
1   Dipto. di Chimica, Università ‘Federico II’ di Napoli, Complesso Universitario di Monte S.Angelo, via Cintia, 80126 Napoli, Italy;
E. Napoli
1   Dipto. di Chimica, Università ‘Federico II’ di Napoli, Complesso Universitario di Monte S.Angelo, via Cintia, 80126 Napoli, Italy;
R. Germano
2   PROMETE Srl – INFM Spin off Company, Via Buongiovanni 49, San Giorgio a Cremano, 80046 Napoli, Italy
› Author Affiliations

Subject Editor:
Further Information

Publication History

Received02 April 2007
revised22 May 2007

accepted29 May 2007

Publication Date:
13 December 2017 (online)

In the last decade, we have investigated from the physicochemical point of view, whether water prepared by the procedures of homeopathic medicine (leading inexorably to systems without any molecule different from the solvent) results in water different from the initial water?

The answer, unexpectedly, but strongly supported by many experimental results is positive. We used well-established physicochemical techniques: flux calorimetry, conductometry, pHmetry and galvanic cell electrodes potential. Unexpectedly the physicochemical parameters evolve in time.

The water solvent exhibits large changes in measurable physicochemical properties as a function of its history, the solute previously dissolved, and time. In particular we found evidence of two new phenomena, both totally unpredicted, in homeopathic dilutions: the presence of a maximum in the measured physicochemical parameters vs sample age, and their dependence on the volume in which the dilution is stored. These new experimental results strongly suggest the presence of an extended and ‘ordered’ dynamics involving liquid water molecules.

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