...Option #1 - Solution D Protocol Before starting this protocol, make sure to prepare solution D (see reagent...or lyse tissues or cells in Solution D. For tissues: use 1 mL of Solution D per 100 mg of cells. For cultured...resuspension. This protocol provides two options: using Solution D (see reagent section for recipe) or using an...all-in-one acid guanidinium thiocyanate-phenol solution such as TRIzol®. For the precipitation step, two...reagents RNase-free (Use an RNase decontamination solution, such as RNaseZap® or RNase AWAY®, may be used... Vortexer -20°C freezer -80°C freezer Reagents Solution D (for Protocol Option #1 ): 4 M Guanidinium Thiocyanate...alcohol (49:1) 75% Ethanol RNase-free water or TE solution RNase free tubes: microcentrifuge tubes, 4 mL ...