Chen Yujie in April 2010 participated the American Materials Research Society Spring Meeting in San Francisco. Her report- "Preparation and Characterization of Conjugated PolypseudorotaxanesPolypyrrole/Cyclodextrins" was recorded by this meeting and some academic discussion was carried out on her ppt.

    American Materials Research Society (Materials Research Society, MRS) held twice pro year in spring and autumn. This spring meeting in Moscone West Convention Center in San Francisco, California, United Stated West Coast, lasted 5 days (4.5-4.9), was the historical largest-scale  MRS meeting.  Nearly 4,500 participants was from more than 50 countries and the meeting involved 42 sections, i.e., Functional Materials sub-meetings, 13; Nanomaterials sub-meetings, 11; Energy and Materials sub-meetings, 11; Materials for Energy Applications sub-meetings, 11; Soft and Biomaterials sub meetings, 9 and Materials Research Frontiers sub-meeting, 1.