Thiacalix[4]arene-functionalized vesicles as phosphorescent indicators for pyridoxine detection in aqueous solution

被引:21
作者
Burilov, V. A. [1 ]
Mironova, D. A. [1 ]
Ibragimova, R. R. [1 ]
Solovieva, S. E. [1 ,2 ]
Koenig, B. [3 ]
Antipin, I. S. [1 ,2 ]
机构
[1] Kazan Fed Univ, Kazan 420008, Russia
[2] AE Arbuzov Inst Organ & Phys Chem, Kazan 420088, Russia
[3] Univ Regensburg, Inst Organ Chem, D-93053 Regensburg, Germany
基金
俄罗斯科学基金会;
关键词
PERFORMANCE LIQUID-CHROMATOGRAPHY; ATOMIC-FORCE MICROSCOPY; MOLECULAR RECOGNITION; BIOLOGICAL-FLUIDS; SOLUBLE VITAMINS; PHASE-TRANSITION; CALIXARENES; MEROCYANINE-540; COMPLEXES; MEMBRANE;
D O I
10.1039/c5ra18294h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Amphiphilic tetracarboxylate derivatives of p-tert-butylthiacalix[4]arene were obtained by click reactions of the corresponding azido derivatives with acetylene dicarboxylic acid. Embedding of the amphiphilic tetraacids in DPPC vesicles was studied by DLS, AFM, turbidity techniques and by probing with merocyanine 540. The obtained DPPC-calixarene vesicles are effective antennae for Tb(III) ion luminescence. It allows the use of DPPC-calixarene-Tb(III) vesicles for the selective detection of analytes with a higher affinity for Tb(III) due to cation removal from the calixarenes in the DPPC bilayer. It was found that pyridoxine hydrochloride can be selectively detected at the 7 mM concentration in the presence of a 100 fold excess of different biologically important molecules, like amino acids, adenosine phosphates, sugars, amines and ammonium salts.
引用
收藏
页码:101177 / 101185
页数:9
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