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[Light therapy = Phototherapy] Light therapy = Phototherapy To simulate sunlight-like lighting at home, while filtering out most of UV rays. It could relieve gloomy mood, sleep disorders, rainy days, etc. ..

[PPG wearable devices] PPG wearable devices Photoplethysmogram (PPG) measures blood volume changes in blood vessels. The changes reflect the heart rate and the blood oxygen concentration. 465-nm, 520-nm, 660-nm, 805-nm and 940-nm are typic..

[Photocatalytic sterilization] Photocatalytic sterilization Light absorbed by photocatalytic materials to generate free radicals, which is cytotoxic. It has been applied for water disinfection, sterilization of surgical instruments, remova..

[Low-Level-Laser Therapy (LLLT) for Healing] [LLLT for Beauty] [LLLT for Fat layer reduction ] Low-Level-Laser Therapy (LLLT) for Healing Current researches showed that the cytochrome c oxidase in the mitochondria can be activated by r..

UV-Clean Air Box, the new project of IAREX for self protection to corona virus and other disease infection through the air. This project concept is developing one portable box for the business man traveling. As the  virus can infect people through th..

What is IoT? (IoT) The word Internet of Things(IoT) should be familiar for people. Automatic factory, smart city and smart appliances, etc. all contain elements of IoT. Simply put, the main concept is connect the device to network so th..