Yuan, Ye
Yang, Ying
Tian, Yuchen
Park, Jinkyu
Dai, Aihua
Roberts, R. Michael
Liu, Yang
Han, Xu
Article History
Received: 31 May 2016
Accepted: 9 September 2016
First Online: 3 October 2016
Competing interests
: The intellectual property related to this technology belongs to the University of Missouri, and a USA provisional utility patent application (USA 62/336, 142) has been filed. X.H. as the president of CryoCrate LLC, has obtained an exclusive license from University of Missouri. None of the other authors have any competing financial interests.