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题名: Water-soluble phosphate-functionalized polyfluorene as fluorescence biosensors toward cytochrome c
作者: Qin CJ ; Tong, Hui(童辉) ; Wang LX
刊名: SCIENCE IN CHINA SERIES B-CHEMISTRY
出版日期: 2009
卷号: 52, 期号:6, 页码:833-839
关键词: CONJUGATED POLYMERS ; NONSPECIFIC INTERACTIONS ; PROTEINS ; CHEMOSENSORS ; RECOGNITION ; COMPLEXES ; IONS
通讯作者: Wang LX
中文摘要: An anionic water-soluble polyfluorene derivative, poly(9,9-bis(6'-phosphatehexyl)fluorene-alt-1,4-phenylene) sodium salt (PFHPNa), was synthesized by Suzuki coupling reaction in DMF/water. Polymer PFHPNa was well soluble in water with a strong blue fluorescence emission. Effect of the side chain length on fluorescence sensory properties was studied by comparing quenching efficiencies toward different quenchers of PFHPNa with a reported polymer poly(9,9-bis(3'-phosphatepropyl)fluorene-alt-1,4-phenylene) sodium salt (PFPPNa), which have different side chains in length. For small molecular quenchers (methylviologen, MV2+) and meso-5,10,15,20-tetrakis-(N-methyl-4-pyridyl)porphine (TMPyP4), polymer PFHPNa had lower sensitivity due to the much longer side chain length. The positively charged metalloprotein cytochrome c could quench fluorescence of conjugated polymers via energy transfer and electron transfer.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000266168000021
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内容类型: 期刊论文
URI标识: http://ir.ciac.jl.cn/handle/322003/11823
Appears in Collections:长春应用化学研究所知识产出_期刊论文

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Recommended Citation:
Qin CJ;Tong H;Wang LX.Water-soluble phosphate-functionalized polyfluorene as fluorescence biosensors toward cytochrome c,SCIENCE IN CHINA SERIES B-CHEMISTRY,2009,52(6):833-839
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