Highly sensitive biosensor for measuring glucose in saliva

A new ultra-sensitive transistor-based biosensor developed by researchers at The Hong Kong Polytechnic University can measure the level of glucose in saliva. Fabricated by using a glucose oxidase nzyme layer, the biosensor ...

Ultrathin, flexible photovoltaic cells

Imagine solar cells so thin, flexible, and lightweight that they could be placed on almost any material or surface, including your hat, shirt, or smartphone, or even on a sheet of paper or a helium balloon.

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