On November 9th , Liu Kun, student of professor Yang Guang, has completed oral defense for his Master Degree successfully. The title of his thesis is < The ordered micro-nano assembly of Bacterial cellulose>. Professor Yu Longjiang、associate professor Yang Ying and Li Wei of HUST, Professor Fang Yapeng, the director of Phillips Hydrocolloid Institute of Hubei University and professor Zhou Ping of Wuhan University participated in this defense. Professors all showed interest in Liu Kun’ research, asked some questions and gave very good suggestions for his thesis.