Thermal Storage: Samples were prepared as noted above. Samples were dried using a DNA drier at room temperature for 1 hour and stored closed under a vacuum in descant. After a set amount of time, samples were resuspended and used to transfect cells. RNA and exfoliated (Ex) RNA from ZIF-8 were transfected using lipofectamine Messenger Max. Lipofectamine 2000 and Messenger Max were prepared with RNA stored at -80˚C as a control. Gel electrophoresis was performed on stored samples according to our previously mentioned protocol.