Substituent effect on fluorescence signaling of the cell permeable HSO<sub>4</sub><sup>−</sup> receptors through single point to ratiometric response in green solvent
作者:Manjira Mukherjee、Siddhartha Pal、Buddhadeb Sen、Somenath Lohar、Samya Banerjee、Snehasis Banerjee、Pabitra Chattopadhyay
DOI:10.1039/c4ra03551h
日期:——
Two new 2-(2-aminophenyl)benzimidazole-based HSO4− ion selective receptors, 6-(4-nitrophenyl)-5,6-dihydrobenzo[4,5]imidazo[1,2-c]quinazoline (L1H) and 6-(4-methoxyphenyl)-5,6-dihydrobenzo[4,5]imidazo[1,2-c]quinazoline (L2H), and their 1 : 1 molecular complexes with HSO4− were prepared in a facile synthetic method and characterized by physicochemical and spectroscopic techniques along with the detailed
两个新的2-(2-氨基苯基)苯并咪唑基HSO 4 -离子选择性受体,6-(4-硝基苯基)-5,6-二氢苯并[4,5]咪唑并[1,2 Ç ]喹唑啉(大号1 ħ)和6-(4-甲氧基苯基)-5,6-二氢苯并[4,5]咪唑并[1,2 ç ]喹唑啉(大号2 ħ),和它们的1:1 HSO分子复合物4 -在制备简便的合成方法,通过物理化学和光谱技术进行表征,并通过单晶X射线晶体学对L 1 H进行详细的结构分析。两种受体(L 1 H和大号2 ħ)表现为用于HSO高度选择性化学传感器4 -乙醇-水HEPES离子在生物pH的缓冲液(1/5)(V / V)的培养基在其它阴离子,如F -,Cl - ,溴- ,我-,ACO -,H 2 PO 4 -,N 3 -和C10 4 - 。理论和实验研究表明,受体(L 1 H和L 2 H通过使用取代基效应通过单点对比例检测成功地调整了)。使用3σ方法的LOD为HSO 4 - ,发现离子为18