Azacrown[N,S,O]-modified porphyrin sensor for detection of Ag+, Pb2+, and Cu2+

被引：25

作者：

Chen, Yuting ^{[1
,3
]}

Wang, Kaili ^{[2
,3
]}

机构：

[1] Dezhou Univ, Shandong Univ, Key Lab Coordinat Chem & Funct Mat, Dezhou 253023, Peoples R China

[2] Beijing Municipal Res Inst Environm Protect, Beijing 10083, Peoples R China

[3] Univ Sci & Technol Beijing, Dept Chem, Beijing 100083, Peoples R China

来源：

PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES | 2013年 / 12卷 / 11期

关键词：

SELF-ASSEMBLED NANOSTRUCTURES; SELECTIVE FLUORESCENT SENSOR; ION; HG2+; COORDINATION; DYE;

D O I：

10.1039/c3pp50126d

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

One new azacrown[N,S,O]-modified metal-free porphyrin derivative, H(2)Por-azacrown (1), with the central tetrapyrrole moiety as signaling fluorophore and/or metal ion receptor has been designed, synthesized, and characterized. Addition of Ag+ into this novel metal-free porphyrin compound induces a fluorescence ON-OFF process, while adding Pb2+ leads to absorption/emission-ratiometric signals. Quite interestingly, blue-shift of the Soret band, ratiometric change of Q bands, and dual-signal changes (absorption ratio and fluorescence ON-OFF) associated with the Cu2+ displacement from the 1-Pb2+ system were observed upon addition of Cu2+. These results render this H(2)Por-azacrown compound a porphyrin-based multi-responsive optical sensor towards Ag+, Pb2+, and in particular Cu2+ with dual-mode detecting potential.

引用

页码：2001 / 2007

页数：7

共 45 条

[1] CRYSTAL AND MOLECULAR-STRUCTURE OF (5,10,15,20-TETRA-NORMAL-PROPYLPORPHINATO)LEAD(II) - A ROOF PORPHYRIN [J].