Chemical sensor : Taste, Smelling

　　

We are researching on finger size, real time chemical sensor by measuring surface plasmon resonance (SPR) electrically with silicon diode. This sensor can identify similar molecules, such as ions like Na+, K+, Ca2+ and/or several kinds of sugars, by combining several sensing membranes: ion exchange membranes and boronic acid polymers. Since this sensor can measure chemical materials in few seconds, it can help seasoning.

　　

Current Research: Non-invasive blood sugar measurement using photo acoustic spectroscopy(Co-working with Prof. Tsukagoshi in Toyama Prefectural Univ.)

Whenever a light of absorption wave length is applied to an object, it will causes heat. This heat will expand its surrounding medium and the medium causes a sound by this expansion. This is called photo acoustic effect. We are researching on a non-invasive blood sugar/glucose sensor by detecting the photo acoustic sound caused from blood sugar/glucose with our highly sensitive and ultra thin silicon piezoresistive pressure sensor. We are co-working with Prof. Tsukagoshi in our university.

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