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On the existence of bound water in biological systems as probed by dielectric spectroscopy," Phys.
Our study also indicated that evergreen woody plants of Sabina can increase freezing tolerance by decreasing free water and increasing bound water during cold acclimation.
The critical water content has been interpreted as the transition from the predominance of bound water with a low dielectric permittivity ([[epsilon].
They have a sigmoidal shape with three regions reflective of three types of water that depend on the chemical composition of the sorption sites: (i) water very strongly associated with ionic groups of macromolecules, (ii) water weakly bound to polar non-ionic groups, and (iii) very weakly bound water that interacts with the hydrophobic groups.
Residing in the cell wall, bound water affects wood's bulk.
Because of the dehydration reaction of free water and weakly bound water, a large endothermic valley will appear at 25~250[degrees]C.
22] of the water component gradually moves to the right and becomes bigger and bigger, indicating that the bound water molecules are the least mobile owing to their direct attachment to the chain segments via electrostatic interactions, and the additional water could enhance the mobility of water molecules.
Among their findings was that three endothermic physiochemical transformations occur during heating: release of moisture between room temperature and 212F (100C), burnout of organic compounds between 572-932F (300-500C), and release of chemically bound water in the range of 932-1652F (500-900C).
Walters found that two big influences on deterioration are the nature of water binding within seeds and the effect of the bound water on seed cells.
Unlike powdered fat replacers, this product is pre-hydrated and gelled to convert the free water to bound water.
As the temperature decreases, evidently, the vapor pressure in air decreases faster than that of bound water in wood, thereby causing the water to migrate from the cell wall to the air (in the lumina).