Showing posts with label biosenor. Show all posts
Showing posts with label biosenor. Show all posts

16 January 2015

Biosensing Machine That Can Smell and Differentiate Odors Developed


Researchers from The University of Manchester and the University of Bari have developed a biosensor that can differentiate smells that are similar to each other. The machine can distinguish the smell of two similar objects such as spearmint or caraway.

The scientists have found a way to manufacture odorant binding proteins in quantities that can be used in the biosensor. Odorant binding proteins helps the nose perceive the different smells by reacting to the different type of chemicals around

The biosensor incorporate the proteins using a transistor. By doing so, the team were able to detect and measure the changes in current as the proteins reacted to odors. The system is incredibly sensitive with a detection limit that approaches that of the human nose.

The findings are published in the journal Nature Communications.