Extraction by phenol chloroform isoamyl alcohol
Please look at the following below links which may help you in your analysis:
https://beta-static.fishersci.com/content/dam/fishersci/en_EU/promotions/GEHealthcareLifeSciences/Whatman_Extraction_FTA.pdf
https://bmcresnotes.biomedcentral.com/track/pdf/10.1186/1756-0500-2-107.pdf
Thanks
Check https://www.sigmaaldrich.com/US/en/technical-documents/protocol/genomics/dna-and-rna-purification/whatman-reliable-extraction-of-dna
Also https://beta-static.fishersci.com/content/dam/fishersci/en_EU/promotions/GEHealthcareLifeSciences/Whatman_Extraction_FTA.pdf
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