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		题名	作者	年代	出处	被引量
	1	The amplified fluorescence quenching of heteroatomic conjugated polymers based on the “molecular wire”effects显示文摘Tremendous interest has been evoked in the utility of the fluorescent conjugated polymers towards the creation of ultra-sensitive systems based on the molecular wire effects which can amplify the transduction events. Here, a series of new polymers pyridine substitute poly (phen- ylene ethynylene)s are synthesized by Sonogashira-Hagihara coupling reaction. The impact of structure modification on the physical properties and spectral characteristics of poly-mers has been investigated. The quenching studies are car-ried out and exhibit that recognition site (pyridyle group) highly influences the quenching efficiency. The results show that polymer PI with pyridyl group entrapped in the conju-gated backbone has the specific and sensitive response to Pd(Ⅱ). The fluorescence quenching of PⅠby Pd(Ⅱ) is about 65 times greater than that of model monomer.	HUANG Hongmei WANG Kemin XIAO Yi ZHAI Qiuge AN Delie HUANG Shasheng LI Du	2003	Chinese Science Bulletin2003，48，18：	2

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