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The effects of freezing and freeze-drying on natural history specimens


Collection Forum 6(2): 45-52
The effects of freezing and freeze-drying on natural history specimens
Fresh specimens may be frozen to prevent deterioration or to prepare them for preservation by freeze-drying. At 0 degrees C little water is actually frozen and specimens held at freezing temp. are still subject to protein and lipid changes and damage from microbial growth. Tissues may be severely damaged by ice formation.


Accession: 002249179



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