Last fall, Professor Seokheun "Sean" Choi and his Bioelectronics and Microsystems Laboratory published their research into an ingestible biobattery activated by the Ph factor of the human intestine.
Now, he and Ph.D. student Maryam Rezaie have taken what they learned and incorporated it into new ideas for use outside the body.
A new study in the journal Small shares the results from using spore-forming bacteria similar to the previous ingestible version to create a device that potentially would still work after 100 years.
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