ICCAS OpenIR
Design and synthesis of a new conjugated polyelectrolyte as a reversible pH sensor
Xu, Qingling; An, Lingling; Yu, Minghui; Wang, Shu
2008-03-03
Source PublicationMACROMOLECULAR RAPID COMMUNICATIONS
ISSN1022-1336
Volume29Issue:5Pages:390-395
AbstractA highly pH sensitive water-soluble polyfluorene derivative (PFP-aa) has been designed and synthesized by Suzuki coupling reaction. The PFP-aa contains two amino and four carboxylic acid groups in each repeat unit (RU). The protonation and deprotonation of both the carboxylate and amine are controlled by medium pH values. The polymer charge is anticipated to control electrostatic repulsion between polymer chains and lead to different levels of aggregation behaviors. Different fluorescent responses of the PFP-aa are demonstrated as the environmental pH is changed from 3 to 12. Different sugars can bind to boronic acid to form boronic esters with different binding constants following proton release, thus generating diverse changes in pH. It is demonstrated that PFP-aa can be used as a pH sensor to detect D-fructose.
KeywordConjugated Polymers Fluorescence Ph Sensor Sugar Detection
DOI10.1002/marc.200700745
Indexed BySCI ; IC
Language英语
WOS IDWOS:000253934300002
PublisherWILEY-BLACKWELL
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64892
Collection中国科学院化学研究所
Corresponding AuthorWang, Shu
AffiliationChinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Organ Solids, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Xu, Qingling,An, Lingling,Yu, Minghui,et al. Design and synthesis of a new conjugated polyelectrolyte as a reversible pH sensor[J]. MACROMOLECULAR RAPID COMMUNICATIONS,2008,29(5):390-395.
APA Xu, Qingling,An, Lingling,Yu, Minghui,&Wang, Shu.(2008).Design and synthesis of a new conjugated polyelectrolyte as a reversible pH sensor.MACROMOLECULAR RAPID COMMUNICATIONS,29(5),390-395.
MLA Xu, Qingling,et al."Design and synthesis of a new conjugated polyelectrolyte as a reversible pH sensor".MACROMOLECULAR RAPID COMMUNICATIONS 29.5(2008):390-395.
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