Freeand bound water influence on Spirulina platensissurvival

The heateffects arising at heating of Spirulina platensiscell culture containing different quantity of water (from 98.2 to 10.5 mass%H sub(2)O) have been studied. The hydration of Sp. pl. cells determined by the method of microcalorimetryat 25 degree C ( Delta n) was equal to 0.32 plus or minus 0.02...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2006-05, Vol.84 (3), p.613-618
Main Authors: Monaselidze, J, Kiladze, Maya, Tananashvili, D, Barbakadze, Shota, Naskidashvili, A, Khizanishvili, Anna, Kvavadze, R, Majagaladze, G
Format: Article
Language:English
Subjects:
Spirulina
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Summary:The heateffects arising at heating of Spirulina platensiscell culture containing different quantity of water (from 98.2 to 10.5 mass%H sub(2)O) have been studied. The hydration of Sp. pl. cells determined by the method of microcalorimetryat 25 degree C ( Delta n) was equal to 0.32 plus or minus 0.02g H sub(2)O/g of dry biomass. The heat (-Q) evolved by cells in the temperature range 5-52 degree Cdecreased exponentially at decrease of mass% H sub(2)O andreached zero value at 30.5 plus or minus 3.0 mass% H sub(2)O. Thetotal heat of cell denaturation did not change in the range 98.2-40.5mass% H sub(2)O and it sharply dropped at lower values ofwater.
ISSN:1388-6150
1572-8943
DOI:10.1007/s10973-005-7023-y