Team:NTU-Singapore/Design

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Shezensor 1.0

The Concept

As MFCs have the potential to be used as a biosensor which is able to detect various chemicals and produce an electrical output. The ability to convert chemical to electrical signals gives MFCs an advantage over biosensors which rely on chemical outputs, i.e. fluorescence proteins as the electrical output allows on-field monitoring, automated data collection as well as WIFI communication.
For our project, our idea to make a portable device which allows users to test the cleanliness of water samples. Our device has two important components, the reader and the sensor. The reader is an arduino-controlled voltmeter and has a 16x2 LCD screen which provides a voltage reading to the user. While the sensor is a disposable cartridge which houses the MFC. Liquid samples can be loaded into the sensors and plugged into the reader to check if the voltage reading. After designing the cartridge, we carried out a proof-of-concept experiment to test the feasibility of our concept by first testing whether our disposable cartridge works.