2月21日凌晨,随着Yakult Brothers战队(以下简称YB)在梦幻联赛25赛季的第二轮加赛中不敌Liquid,队伍最终无缘小组出线,以并列第9-10名的成绩结束了为期一个月的欧洲之旅。从1月22日落地塞尔维亚首都贝尔格莱德尼古拉特斯拉机场,YB战队...2月21日凌晨,随着Yakult Brothers战队(以下简称YB)在梦幻联赛25赛季的第二轮加赛中不敌Liquid,队伍最终无缘小组出线,以并列第9-10名的成绩结束了为期一个月的欧洲之旅。从1月22日落地塞尔维亚首都贝尔格莱德尼古拉特斯拉机场,YB战队接连参加了Fissure裂变天地S1、BLAST Slam II和梦幻联赛25赛季三站正式比赛。由于PGL瓦拉几亚第四赛季和FISSURE宇宙第四赛季的中国区预选赛时间和梦幻联赛25赛季的开赛时间接近,无法返回国内参赛的YB战队不得已只能选择从西欧赛区的海选打起。展开更多
Synthesis and characterization of the ligand,[10-( α -tetradecylcarboxymethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid,H 4 L]and its Gd (Ⅲ) chelate are described.Protonation constants for H 4 L(lgK iH =1...Synthesis and characterization of the ligand,[10-( α -tetradecylcarboxymethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid,H 4 L]and its Gd (Ⅲ) chelate are described.Protonation constants for H 4 L(lgK iH =10.62,9.50,4.74,4.12)and the stability constant for GdL - (lgK GdL - =24.60)were determined by potentiometric titrations.The results obtained show that the basicity of the ligand is not significantly altered and the ligand still maintains the strong chelating properties of the parent DOTA after introduction of a linear chain tetradecyl group at the acetic side chain of DOTA.展开更多
文摘2月21日凌晨,随着Yakult Brothers战队(以下简称YB)在梦幻联赛25赛季的第二轮加赛中不敌Liquid,队伍最终无缘小组出线,以并列第9-10名的成绩结束了为期一个月的欧洲之旅。从1月22日落地塞尔维亚首都贝尔格莱德尼古拉特斯拉机场,YB战队接连参加了Fissure裂变天地S1、BLAST Slam II和梦幻联赛25赛季三站正式比赛。由于PGL瓦拉几亚第四赛季和FISSURE宇宙第四赛季的中国区预选赛时间和梦幻联赛25赛季的开赛时间接近,无法返回国内参赛的YB战队不得已只能选择从西欧赛区的海选打起。
文摘Synthesis and characterization of the ligand,[10-( α -tetradecylcarboxymethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid,H 4 L]and its Gd (Ⅲ) chelate are described.Protonation constants for H 4 L(lgK iH =10.62,9.50,4.74,4.12)and the stability constant for GdL - (lgK GdL - =24.60)were determined by potentiometric titrations.The results obtained show that the basicity of the ligand is not significantly altered and the ligand still maintains the strong chelating properties of the parent DOTA after introduction of a linear chain tetradecyl group at the acetic side chain of DOTA.