How to prepare a lyophilized cell line leucocyte for DNA extraction?

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Marek Večeřa

If only lyophilized cells are in the tube, I'm sure you can add either 1X PBS or lysis buffer and continue with the extraction and purification according to the kit instructions.

Samah Mohammed Refay

Marek Večeřa Many thanks

Can I prepare in distilled water?

Is there preferable PBS than H2O?