Single-step method of RNA isolation by acid guanidinium thiocyanate-phenol-chloroform extraction

Analytical Biochemistry
P Chomczynski, N Sacchi


A new method of total RNA isolation by a single extraction with an acid guanidinium thiocyanate-phenol-chloroform mixture is described. The method provides a pure preparation of undegraded RNA in high yield and can be completed within 4 h. It is particularly useful for processing large numbers of samples and for isolation of RNA from minute quantities of cells or tissue samples.

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