Photo credit: Deaudrea ‘Sha’ Aguado
A team of Virginia Commonwealth University researchers, led by Richard Costanzo and Daniel Coelho, are currently developing a bionic nose that pairs a brain implant with a sunglasses-like wearable to pick up scents. When these scents are transmitted back to the implant, it triggers the olfactory bulbs in your brain that react to the different smells.
So far, the device has worked successfully on rats, but more testing is needed to determine if this device is suitable for human subjects, as we have 400 smell receptors to decode the thousands of combinations of odors. What the team will have to refine is mapping these combinations to the wearable device, possibly on a smaller scale and limiting them to only the scents that matter most to each user.
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There won’t be Scotch tape on the final model. Traditional gas sensors are based on semiconductors like metal oxides…when a molecule interacts with the semiconductor material, a change in resistance occurs that you can measure,” said Richard Costanzo, researcher at Virginia Commonwealth University (VCU).
