Science

American scientists have created the fungi that produce electricity

American scientists have created the fungi that produce electricity”

At these sites, electrons could transfer through the outer membranes of the bacteria to the conductive network of graphene nanoribbons.

The pair used a 3D printer to create graphene nanoribbons that would cover the top of the mushroom. So the scientists from the Stevens Institute of Technology in the United States developed a clever method of marrying the mushroom to the sparky bugs.Appropriately enough, they came up with the idea while having lunch!"One day my friends and I went to lunch together and we ordered some mushrooms", said Sudeep Joshi, a postdoctoral researcher and author of the study."As we discussed them we realised they have a rich microbiota of their own, so we thought why not use the mushrooms as a support for the cynaobacteria".

Technology has not yet been possible to generate enough electricity to power even the smallest device.

That would be an electrical generator, according to mechanical engineers at the Stevens Institute of Technology who mixed the two, along with a graphene nanoribbon network that carries current. Thus, Joshi and his colleagues Packed cyanobacteria of the genus Anabaena in special nanoparticles and resettle them on the surface of the artificial mushrooms.

Scientists outlined in a study published Wednesday a "bionic mushroom" capable of producing its own electricity.

The scientists added 3D-printed clusters of cyanobacteria to the mushroom's cap, which gave the fungi the ability to generate electricity.

Mannoor, a postdoctoral of Princeton University says that mushrooms which naturally host a rich microbiota but not cyanobacteria specifically, could provide the right environment - nutrients, moisture, pH and temperature, but the cyanobacteria actually produces electricity for a longer period. From there, all the scientists had to do was flash a light on their new bionic mushroom.

Mannoor and Joshi showed that the cyanobacterial cells lasted several days longer when placed on the cap of a white button mushroom versus a silicone and dead mushroom as suitable controls.

"They then printed a" bio-ink" containing cyanobacteria onto the mushroom's cap in a spiral pattern intersecting with the electronic ink.

Shining a light on the mushrooms activates cyanobacterial photosynthesis mechanism, which generates bio-electrons these electrons are driven under an applied bias voltage in an electrochemical setup.

"With this work, we can imagine enormous opportunities for next-generation bio-hybrid applications", Mannoor said. To take an advantage of these capabilities, they designed a synthetic relationship between microbes and a mushroom that can produce electricity. "By seamlessly integrating these microbes with nanomaterials, we could potentially realise many other awesome designer bio-hybrids for the environment, defence, healthcare and many other fields".



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