A copper(II) complex as selective turn-on fluorosensor for nitric oxide and its intracellular application
摘要:
A highly water soluble copper(II) complex, 1 of a fluorophore ligand 4-(2-hydroxybenzylamino)-5 -hydroxynaphthalene-2,7-disulfonic acid (FL1) was synthesized and characterized. In the complex, the fluorescence intensity of the ligand was found to quench due to the presence of paramagnetic Cu(II) center. In degassed methanol solution of complex 1, the Cu(II) center was found to undergo reduction in presence of nitric oxide. This resulted in the simultaneous formation of N-nitrosated ligand. In the process, the quenched fluorescence intensity of the ligand restored. The selective turn on fluorogenic nature of the complex 1 was used to study the endogenously produced NO in living cells. (C) 2015 Elsevier B.V. All rights reserved.
A copper(II) complex as selective turn-on fluorosensor for nitric oxide and its intracellular application
摘要:
A highly water soluble copper(II) complex, 1 of a fluorophore ligand 4-(2-hydroxybenzylamino)-5 -hydroxynaphthalene-2,7-disulfonic acid (FL1) was synthesized and characterized. In the complex, the fluorescence intensity of the ligand was found to quench due to the presence of paramagnetic Cu(II) center. In degassed methanol solution of complex 1, the Cu(II) center was found to undergo reduction in presence of nitric oxide. This resulted in the simultaneous formation of N-nitrosated ligand. In the process, the quenched fluorescence intensity of the ligand restored. The selective turn on fluorogenic nature of the complex 1 was used to study the endogenously produced NO in living cells. (C) 2015 Elsevier B.V. All rights reserved.
A copper(II) complex as selective turn-on fluorosensor for nitric oxide and its intracellular application
作者:Kanhu Charan Rout、Sumit Kumar Chaturvedi、Rizwan Hasan Khan、Biplab Mondal
DOI:10.1016/j.ica.2015.08.014
日期:2015.10
A highly water soluble copper(II) complex, 1 of a fluorophore ligand 4-(2-hydroxybenzylamino)-5 -hydroxynaphthalene-2,7-disulfonic acid (FL1) was synthesized and characterized. In the complex, the fluorescence intensity of the ligand was found to quench due to the presence of paramagnetic Cu(II) center. In degassed methanol solution of complex 1, the Cu(II) center was found to undergo reduction in presence of nitric oxide. This resulted in the simultaneous formation of N-nitrosated ligand. In the process, the quenched fluorescence intensity of the ligand restored. The selective turn on fluorogenic nature of the complex 1 was used to study the endogenously produced NO in living cells. (C) 2015 Elsevier B.V. All rights reserved.