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Bergueld discovers the ion-sensitive field effect transistor.
Leland Clark Jr. creates the first oxygen electrode. 

1956

A HISTORY OF BIOSENSORS

Bayer's creates the first personal use glucometer.

1969

Suzuki creates the first microbe-based immunosensor.

1975

2014

Engineers make a biosensor chip that detects DNA mutations.

2016

YSI develops the first commercial blood glucose analyzer.
Engineers build the first flexible wearable biosensor device.
Fluorescent biosensors based on single-molecules is developed.
Claussen creates a biosensor that detects pesticides in soil.

2016

1969

First potentiometric biosensor that detects urea is created.

1970

2016

1975

2016

A biosensor that detects early cancer and other diseases is developed.
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