Izixhobo zokuqokelela kunye ne-reagent yokuqokelela, ukuthutha, kunye nokugcinwa kweesampuli zamathe. I-DNA/RNA Shield yenza ii-arhente ezosulelayo zingasebenzi ngaphakathi kwamathe kwaye zizinzise i-DNA kunye ne-RNA kwindawo yokuqokelela amathe.