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Protection from Freezing



A colleague of mine wrote:

Can you help me? Why does adding 5% glycerol or DMSO to microbial cultures
protect them from ice crystal formation during freezing?

Does anyone have any insights?

Regards,

Patrick W. Whippey
Department http://www.physics.uwo.ca
Science Olympics http://www.physics.uwo.ca/olympics/olympics.htm
Science Fair http://www.physics.uwo.ca/sfair/scifr.html