The HKBU Team (IMAGE) Hong Kong Baptist University Caption Dr. Ren Kangning (centre) and his team members: Ph.D. student Sun Han (right) and Research Assistant Zhong Zezhi (left). Dr. Ren is holding the portable device and a test strip. Credit HKBU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.