The aim of cryopreservation is to enable stocks of cells to be stored to prevent the need to have all cell lines in culture at all times. It is invaluable when dealing with cells of limited life span. The other main advantages of cryopreservation are:

• Reduced risk of microbial contamination
• Reduced risk of cross contamination with other cell lines
• Reduced risk of genetic drift and morphological changes
• Work conducted using cells at a consistent passage number ...
  
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