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Measurement of ice nucleation in lichens using thermal analysis.

Author(s) : ASHWORTH E. N., KIEFT T. L.

Type of article: Article

Summary

All of the five species tested froze above -4 deg C, indicating the association of heterogeneous ice nucleation active agents effective at warm temperatures. Ice nucleation activity was expressed over a range of tissue moisture contents. The results of the study confirmed earlier reports that lichen tissues were a source of biological ice nucleation activity. In addition, these studies demonstrated that ice nucleation activity is a characteristic of intact lichen tissues and is expressed under conditions representative of those in nature.

Details

  • Original title: Measurement of ice nucleation in lichens using thermal analysis.
  • Record ID : 1993-0974
  • Languages: English
  • Source: Cryobiology - vol. 29 - n. 3
  • Publication date: 1992/06

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