Repeatation of CI step in fungal DNA extraction by using Guanidine thiocynate- phenol saturated Tris is sufficient for Good 260/230 ratio????

I am trying to extract fungal DNA from clinical samples by using  Guanidine thiocynate- phenol saturated . I got good DNA quantity but poor 260/230 ratio.  Whether repeatation of CI step can...

06 June 2017 3,668 2 View