There is an interest in creating aerospace structures that regenerate, communicate and that are capable of using carbondioxide as a fuel source. Before such a vision is achieved several fundamental questions must first be answered. For example, what are the optimal conditions and laboratory settings for mycelium growth and is it possible for mycelium to digest different metals to form metal-mycelium hybrid structures? Recent research has shown that fungi and photosynthetic organisms can absorb harmful metals. Eight different species of fungi were grown such as blue oyster (Pleurotus columbinus), reishi ling chi (Ganoderma lucidum), and shaggy mane (Coprinus comatus). Species of fungi were chosen based on their potential growth rate, potential strength and non-toxicity to humans. Metal-mycelium hybrids were developed by using both the cell and mycelium life stages. In experiments involving the mycelium stage, varying amounts of sterilized sawdust (0.5-1g), zinc sulfide (0.5-1g), and small pieces of aluminum foil (0.1-1g) were applied on top of the mycelium growing on petri dishes. For experiments using the cell stage, 8-9 drops of the fungal sample were applied to zinc sulfide (0.5-1g) and aluminum foil (0.5-1g). Mycelium (blue oyster) were grown on to differing quantities of aluminum foil. Cells (shaggy mane) have been grown onto aluminum foil with and without nutrients from the petri dish. Shaggy mane cells have also grown onto 0.5 g of zinc sulfide.
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