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Rui Tian,Chun-Hua Yang,Xiao-Fei Wei,Er-Na Xun,Ren Wang,Shu-Gui Cao,Zhi Wang,Lei Wang 한국생물공학회 2011 Biotechnology and Bioprocess Engineering Vol.16 No.2
Aeropyrum pernix esterase (APE1547) was successfully used to catalyze the enantioselective transesterification of (R/S)-2-methyl-1-butanol in an ionic liquid (IL). Effects of various reaction conditions on the synthetic activity of the enzyme as well as enantioselectivity, including the type of IL, acyl donor, temperature, water activity,and substrate molar ratio were inverstigated. APE1547showed good catalytic performance (activity > 0.8 μmol/min/mg, E > 25), and the enzyme-IL mixture was recycled five times with only a slight decrease in catalytic performance.
Han, Yu-Lin,Yin, Hai-Yang,Xiao, Er-Tian,Sun, Zhi-Lin,Li, Ai-Qun Techno-Press 2006 Structural Engineering and Mechanics, An Int'l Jou Vol.22 No.2
NiTi-wire shape memory alloy (SMA) dampers, that utilize NiTi SMA wires to simultaneously damp tension, compression and torsion, was developed for structural control implementation in this study. First, eight reduced-scale NiTi-wire SMA dampers were constructed. Then tension, compression and torsion experiments using the eight reduced-scale NiTi-wire SMA dampers of different specification were done. The experimental results revealed all of the eight reduced-scale NiTi-wire SMA dampers had the ability to simultaneously supply tension-compression damping and torsion damping. Finally, mechanics analysis of the NiTi-wire SMA dampers was done based on a model of the SMA-wire restoring force and on tension-compression and torsion damping analysis. The damping analytical results were found to be similar to the damping experimental results.