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题名: Aggregates-Based Boronlectins with Pyrene as Fluorophore: Multichannel Discriminative Sensing of Monosaccharides and Their Applications
作者: Zhang, Xiao-tai1; Wang, Shu2; Xing, Guo-wen1
关键词: boronlectin ; pyrene ; monosaccharide ; aggregates ; sensor
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2016-05-18
卷: 8, 期:19, 页:12007-12017
收录类别: SCI
英文摘要: Four-channel. fluorescence assay toward six monosaccharides was achieved by employing two novel pyrene-functionalized boronlectins with flexible diboronic acid as receptors. The effects of pH values and aging time on the sensor properties, were thoroughly evaluated by UV-vis, fluorescence spectroscopy and dynamic light scattering. We find. that the fluorescence relative ratios were highly correlated with analyte concentrations at mu M level. The flexibility of the receptors was perceived as an indispensable factor to produce diverse fluorescence signals toward different monosaccharides. Most importantly, integration of four fluorescence channels derived from the two sensors enables an excellent discrimination for all tested monosaccharides at a certain concentration or a concentration range via linear discriminant analysis (LDA). It is proposed that the multiple flexible linkers in the boronlectins could increase their self-adaptive capacity for different analytes, and facilitate the formation of stable boronlectin-sugar aggregate assemblies; In addition, practical sensing,of glucose in the simulative blood and urine was illustrated. to be feasible in the presence of interferences at physiological concentrations.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36141
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
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