The leaders of Shanghai municipal government and SAST presented the certificates of “The 6th Shanghai Young Talents of Science and Technology”(SYST) to the ten awardees at the third plenary meeting of ninth committee of SAST the other day. Mr. Liu Xuan-yong, the member of The Biological and Environmental Protective Materials Committee of SCS and research fellow of Shanghai Institute of Ceramics Chinese Academy of Sciences, is one of the awardees. He has engaged in research on surface modification of biomedical materials for many years. His project “Surface plasma modification of medical titanium alloy and its biocompatibility” has won the First Prize of Shanghai Natural Science of 2011.