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Repulsion of interfaces due to boundary water

✍ Scribed by S. Marčelja; N. Radić

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
189 KB
Volume
42
Category
Article
ISSN
0009-2614

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✦ Synopsis

The exponential repulsion of bllayers in lecithm-water dispersions is explained as anslng from modfication ofwater structure near the lecithin-water Interface.

A recent measurement by LeNeveu et ai. [l]

provided the first accurate data on strong repulsive forces between lecithin brlayers. The strength of the interaction immediately rules out previous explanations [2,3] in terms of forces between zwitterion dipoles.

Roth differential scanning calorimetry 143 and J?IMR [S-8] experiments indicate a change in water structure near the lecithin-water interface. Such water is commonly referred to as "bound" or "frozen".

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