They invented a revolutionary miniature biosensing device

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They invented a revolutionary miniature biosensing device

The analysis of electrochemical signals emitted by cells can allow scientists to obtain valuable information on our state of health. This is why a team of researchers from the Hong Kong University (HKU) Faculty of Engineering has developed a coin-sized system capable of read electrochemical signals very weak. This device presents great interest from a medical point of view. It will help improve the surveillance and the supported chronic diseases such as diabetes, heart failure or neurodegenerative diseases.

A lab worker holding a slide containing a blood sample with a microscope.

This system called PERFECT, of Personalized Electronic Reader for Electrochemical Transistors, is the smaller system of this type in the world. It measures 1.5 cm x 1.5 cm x 0.2 cm and weighs only 0.4 grams. Its small size allows it to easily carry. It can for example be integrated into a smart watch or worn as pasted patch on the arm.

Presentation on the cover of Journal of Analytical Chemistrythis device will revolutionize how to monitor and treat illnesses.

Revolutionary skincare technology

the doctor Shiming Zhang leads the research group that developed PERfECT. He claims that their invention is not only effective, yet practical. Soft and imperceptible, it is capable of continuously monitor our state of health.

Chronic patients will no longer need to travel constantly to a hospital center to do analyzes. PERfECT will continuously monitor and measure biosignals such as glucose level, antibody concentration in blood or sweat.

A major advance in disease detection

The PERfECT system operates using organic electrochemical transistors. It is a new generation of sensors used mainly for to study electrical activity of various cells. This system wireless and miniaturized marks a step forward in the use of these ultra-sensitive sensors.

In particular, researchers hope that organic electrochemical transistors will be used to develop other detection technologies. This is particularly due to their stability in water and their high sensitivity to low operating voltage.


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