By placing her hand on the casing of the "Metaltron", the biomass of the human time traveller Rose Tyler was extrapolated through her DNA and so regenerated the Dalek. However, this had the side-effect of mutating the Dalek, leading to it to self-destruct out of disgust. (TV: Dalek)
The "mud" in the Zona Oscura actually a form of bio-mass based on fiction that allowed lost ideas to exist, provided they had a consciousness to live off. (PROSE: Party Kill Accelerator!)