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Free Content Thermodynamic analysis of the mechanism of deep supercooling of tissue water in winter-hardy plants

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Authors: Fanyi, Shen; Wenji, Liu; Rongfu, Gao; Wenjie, Zhang; Qi, Zhao

Source: Cryoletters, Volume 23, Number 3, May 2002, pp. 141-150(10)

Publisher: Cryoletters

The temperature at which ice grows through narrow, hydrophilic capillary is known to be depressed. Further, the nucleation temperature near a hydrophilic surface varies with the size, geometry and the properties of a particle. In this paper we show how these two effects are additive for the water that freezes on the wall of a capillary without the presence of pre-existing ice. The combined effect is a substantial lowering of nucleation temperature that could, if this analysis is correct, have important cryobiological consequences.

Keywords: DEEP SUPERCOOLING; FREEZING TEMPERATURE; HETEROGENEOUS NUCLEATION; MELTING POINT SHIFT; PLANT WATER

Document Type: Regular Paper

Publication date: 01 May 2002

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  • CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation

    The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.

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