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August 07, 2008
Water is not the Same in Our Bodies
New research has discovered just how water changes itself in our bodies.
"Water, as we know it, does not exist within our bodies," said Martin Gruebele, a William H. and Janet Lycan Professor of Chemistry at the University of Illinois. "Water in our bodies has different physical properties from ordinary bulk water, because of the presence of proteins and other biomolecules. Proteins change the properties of water to perform particular tasks in different parts of our cells."
Gruebele is the director of the U. of I.'s Center for Biophysics and Computational Biology, and a researcher at the Beckman Institute.
"Water can be viewed as a 'designer fluid' in living cells," Gruebele said. "Our experiments showed that the volume of active water was about the same size as that of the protein."
"We previously thought proteins would affect only those water molecules directly stuck to them," Gruebele said. "Now we know proteins will affect a volume of water comparable to their own. That's pretty amazing," as reported by Science Daily.
Posted by Stephen Betheil at August 7, 2008 12:27 PM
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