ICCAS OpenIR
Highly Selective Phthalocyanine-Thymine Conjugate Sensor for Hg2+ Based on Target Induced Aggregation
Liu, Xiangjun; Qi, Cui; Bing, Tao; Cheng, Xiaohong; Shangguan, Dihua
2009-05-01
Source PublicationANALYTICAL CHEMISTRY
ISSN0003-2700
Volume81Issue:9Pages:3699-3704
AbstractHere we describe a highly selective and reversible Hg2+ sensor, tetra-(thymin-1-yl-acetamido)-phthalocyanine Zn(II) (4T-ZnPc), which combined the optical properties of phthalocyanine (Pc) and the specific interaction of Hg2+ with thymine (D. The novel phthalocyanine-nucleobase conjugate, 4T-ZnPc, shows a typical ultraviolet-visible absorption spectrum with a split Q-band of monomeric Pc in dimethylformamide(DMF)-water (7:3, v/v) solution, as well as strong fluorescence emission. Upon addition of Hg2+, the formation of T-Hg-T complex induces aggregation of 4T-ZnPc and results in significant decreases of fluorescence intensity and absorption of the Q-band. Furthermore, the sensor molecules, 4T-ZnPc, show excellent selectivity for Hg2+, and other ions, such as Pb2+, Co2+, Ni2+, Zn2+, Cd2+, Mn2+, Mg2+, Ca2+, Na+, and K+, have almost no effect on the optical properties of 4T-ZnPc. This kind of sensor based on Pc may be expanded to the detection of other targets by substituting thymines with other. ligands or groups that possess molecular recognition ability.
DOI10.1021/ac9003375
Indexed BySCI
Language英语
WOS IDWOS:000265632400068
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:80[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67396
Collection中国科学院化学研究所
Corresponding AuthorShangguan, Dihua
AffiliationChinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xiangjun,Qi, Cui,Bing, Tao,et al. Highly Selective Phthalocyanine-Thymine Conjugate Sensor for Hg2+ Based on Target Induced Aggregation[J]. ANALYTICAL CHEMISTRY,2009,81(9):3699-3704.
APA Liu, Xiangjun,Qi, Cui,Bing, Tao,Cheng, Xiaohong,&Shangguan, Dihua.(2009).Highly Selective Phthalocyanine-Thymine Conjugate Sensor for Hg2+ Based on Target Induced Aggregation.ANALYTICAL CHEMISTRY,81(9),3699-3704.
MLA Liu, Xiangjun,et al."Highly Selective Phthalocyanine-Thymine Conjugate Sensor for Hg2+ Based on Target Induced Aggregation".ANALYTICAL CHEMISTRY 81.9(2009):3699-3704.
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