Beijing Key Laboratory of Microanalytical Methods and Instrumentation;
Department of Chemistry;
Tsinghua University;
Beijing 100084;
China;
State Key Laboratory of Chemical Resource Engineering;
Beijing University of Chemical Technology;
Beijing 100029;
China;
CAS Key Laboratory of Standardization and Measurement for Nanotechnology;
CAS Center for Excellence in Nanoscience;
National Center for Nanoscience and Technology;
Beijing 100190;
China;
Microfluidic; chip; ESI-Q-TOF; MS; Co-culture; Drug; metabolism; Droplet; technique; Hydrogel; microcapsule;