THE REGENTS OF THE UNIVERSITY OF CALIFORNIA; Chen, Xi; Yu, Hai; Li, Yanhong; Chen, Yi; Qu, Jingyao; Muthana, Musleh M.; Lau, Kam; Bode, Lars Patent:   US2014/235575 A1, 2014 ; Location in patent: Paragraph 0337; 0338; 0339; 0340 ;