Prof Guozhen Liu is leading the research group of Integrated Devices and Intelligent Diagnostics (ID Squared, ID2) at the Chinese University of Hong Kong, Shenzhen, covering the area of point-of-care diagnostics, microfluidic biochips, stimuli-responsive nanoparticles, advanced sensing technologies and biomedical devices. ID2 group is focusing on interdisciplinary and transnational research by applying chemistry, nanobiotechnology, biomedical engineering to solve the problems in life science.