Dr. Renliang Xu worked for three major particle characterization instrumentation companies in USA and UK, i.e., Malvern Instruments, Beckman-Coulter, and Micromeritics Instrument Corporation, in leading roles associated with zeta potential instrumentation. He has authored 3 professional books: one by Springer and two by Chemical Industry Press in Chinese, as well as five non-fiction books. He holds 3 USA patents on particle characterization and has published 70+ scientific papers.