Category Archives: Cheap molecular biology

Off-patent: DNAzol from Thermo Fisher (Invitrogen)

DNAzol, a reagent for simple genomic DNA extraction which continues to be sold by Thermo for $300+ (for 100 ml!), is simply an aqueous mixture of guanidine thiocyanate, sodium acetate, isopropanol and sarkosyl. The associated patent was filed in 1995, … Continue reading

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