Extending the Life of a CFU Assay

It can be difficult to maintain colonies for your colony-forming unit (CFU) assay while you are away from the bench.

Depending on how developed the colonies are, the following steps may help you to extend the life of your CFU assay: 

Source:

https://www.stemcell.com/technical-resources/extending-the-life-of-a-cfu-assay.html 

https://www.stemcell.com/products/brands/methocult-hematopoietic-colony-assay.html