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Flexible biocompatible ultrasonic receiver enables efficient wireless power for implantable devices

With the increasing demand for underwater and implantable medical electronics, a stable and continuous power supply is essential. However, conventional wireless charging methods (such as electromagnetic induction and radio frequency-based charging) used in smartphones and wireless earphones suffer from short transmission distances, low energy transfer efficiency in biological tissues, and electromagnetic interference.

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Simple test can predict risk of heart disease better than current standard

In a new study, led by Chalmers University of Technology in Sweden and Harvard University in the U.S., researchers have shown comprehensively that a combination of two lipoprotein markers, measured in a simple blood test, can give more accurate information about individual risk of heart disease than the current blood cholesterol test, potentially saving lives.

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