freeze-drying

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freeze-drying

 [frēz´-dri″ing]
a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum. See also lyophilization.

ly·oph·i·li·za·tion

(lī-of'i-li-zā'shŭn),
1. The process of isolating a solid substance from solution by freezing the solution and evaporating the ice under vacuum.
2. The process of imparting lyophilic properties to a substance.
Synonym(s): freeze-drying

ly·oph·i·li·za·tion

(lī-of'i-lī-zā'shŭn)
The process of isolating a solid substance from solution by freezing the solution and evaporating the ice under vacuum.
Synonym(s): freeze-drying.

freeze-drying

a process by which biological material can be preserved by removal of water under a vacuum while the material is frozen.
References in periodicals archive ?
Roknul Azam, "Effect of blanching on microwave freeze drying of stem lettuce cubes in a circular conduit drying chamber," Journal of Food Engineering, vol.
In addition to freeze drying, Munters also offers desiccant drying and desiccant drying under refrigeration for situations such the drying of computer disks, for instance, where freezing might not be suitable.
Not only does freeze drying preserve samples, but it is often used to stablilize and concentrate them.
The use of freeze drying to prepare biological specimens for TEM or SEM analysis is now a well-established practice.
Bhugra et al., "The non-steady state modeling of freeze drying: in-process product temperature and moisture content mapping and pharmaceutical product quality applications," Pharmaceutical Development and Technology, vol.
Genevac's miVac SpeedTrap cold trap can now be used for freeze drying or configured as a combined concentration/freeze drying workstation.
"The freezing process has always been considered the foundation of the freeze drying process, yet it has never been properly controlled," Thompson says.
The recent capability to reliably control nucleation during the freezing step in freeze drying has allowed researchers to demonstrate numerous process and product improvements.
The RAY 1 performs controlled freeze drying of food and drink products for small-scale production with its four product trays for maximum space utilisation.
Demand for freeze dried ingredients will increase as food manufacturers look to enhance their products with natural ingredients, says leading global freeze drying ingredient experts, Chaucer Foods.
It was not the classical laboratory chemistry involving bangs, bubbles and bright colors, but instead applied physical chemistry, the science of molecules, matter, particles and change of state--to spray drying and freeze drying food technology.