Because the method previously used was stained with silver. But now is not then. So I'm not sure that this time you will be using pcr sequencing or fagment.
Because the original method used is dyed with silver color, but now is not working, so I'm not sure that this time you will use the fagment method of sequencing or PCR.
because I had used the same method is to dye with silver color, but now it does not have to do so, and therefore, I am not sure that in this way, you will be PCR sequencing or fagment