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Enantioselective Esterification of Ibuprofen by a Novel Thermophilic Biocatalyst: APE1547
Zhao Dan-tong,Xun Er-na,Wang Jia-xin,Wang Ren,Wei Xiao-fei,Wang Lei,Wang Zhi 한국생물공학회 2011 Biotechnology and Bioprocess Engineering Vol.16 No.4
The enantioselective esterification of ibuprofen catalyzed by a novel thermophilic esterase (APE1547)from the archaeon Aeropyrum pernix K1 was successfully conducted in organic solvents. The effects of acyl acceptor,substrate ratio, organic solvent, temperature, and water activity were investigated. Under optimum conditions, the highest enantioselectivity (E = 38.1) was obtained with a higher enzyme activity (216.5 μmol/g/h). Celites were added into the reaction mixture to remove the water produced in the esterification. The reaction achieved its equilibrium in approximately 96 h with a conversion of 57 and 99%(ee) of the un-reacted (S)-ibuprofen obtained.
Interventional Therapy for Renal Artery Pseudoaneurysms
Ji, Wen-Bin,Wang, Wei-Zheng,Sun, Song,Mi, Yu-Cheng,Xu, Qiong,Chen, Yi-Er,Yang, Song,Tao, Dan,Xu, Wei,Xu, Chao Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.4
The aim of this study was to explore the angiographic diagnosis and embolization therapy for renal artery pseudoaneurysms due to acute urinary tract hemorrhage after conservative medical management failed. Seven out of ten cases had fever symptoms after the kidney surgery. The pseudoaneurysms were treated with gelatin sponge and (or) spring coil and the majority demonstrated rapid blockage of hemorrhage. Angiography diagnosis and trans catheter embolization are rapid, safe and effective methods for diagnosis and treatment of renal artery pseudoaneurysms.
Qun-Ying Jin,Hua-Zheng Peng,Er-Pei Lin,Nan Li,Dan-Ni Huang,Yan-Li Xu,Xi-Qi Hua,Kui-Hong Wang,Tang-Jun Zhu 한국식물학회 2016 Journal of Plant Biology Vol.59 No.4
As one of the largest members of Poaceae family, bamboo is a very important agricultural plant in the world. The development of bamboo shoot is very special and particularly significant to bamboo production. Understanding the developmental differences between bamboo shoot and rhizome shoot is extremely valuable for us to further elucidate the mechanism of bamboo shoot formation since both bamboo shoot and rhizome shoot develop directly from rhizome bud underground. In this paper, miRNA chips with 413 miRNA probes were used to compare miRNA expressions between bamboo shoot and rhizome shoot. The experiment revealed 64 bamboo shoot upregulated and 56 rhizome shoot up-regulated miRNAs which were classified into four major categories according to deep sequencing based target prediction. Meristem and morphological development related miRNAs were most important in bamboo shoot, especially miR171 and miR156 members. While in rhizome shoot the mainstream of miRNA expressions was metabolism and nutrition related ones, especially miR395 members. The meristem and morphological development related miRNAs in bamboo shoot showed some embryonic characteristics and suggested the participation of several phytohormones like gibberellin, cytokinin and auxin, which were absent in those miRNAs of rhizome shoot. Further qRT-PCR detections of 21 up-regulated miRNAs in bamboo seedlings indicated that 12 ones were regulated to varying degrees by some environmental factors. Among them, rhizome shoot upregulated osa-miR395b was the most environment-sensitive miRNA, particularly to dehydration. And the bamboo shoot up-regulated osa-miR399j proved uniquely and strongly induced by phosphor. The existence of multiple regulation sites from same miRNA suggested the probability of crosstalks among meristem development, metabolism and stress response during bamboo shoot and rhizome shoot development.
The Improvement of Clone Embryo Production Applied with Aggregation Method in Bovine
Jae-Il Bang,Kyeong-Lim Lee,Jong-In Jin,Nasser Ghanem,Md. Fakruzzaman,Byeong-Hyun Choi,A-Na Ha,Seong-Su Kim,Er-Dan Wang,Il-Keun Kong 한국동물생명공학회(구 한국동물번식학회) 2013 Reproductive & Developmental Biology(Supplement) Vol.37 No.2s
The Improvement of Clone Embryo Production Applied with Aggregation Method in Bovine
Jae-Il Bang,Kyeong-Lim Lee,Jong-In Jin,Md. Fakruzzaman,Byeong-Hyun Choi,A-Na Ha,Seong-Su Kim,Er-Dan Wang,Nasser Ghanem,Il-Keun Kong 한국동물생명공학회(구 한국동물번식학회) 2013 Reproductive & Developmental Biology(Supplement) Vol.37 No.2s