Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 297, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2019.126662
Keywords
Calix[4]arene; Sensing surface; Galactose enantiomer; Chiral selective; Self-assembly
Funding
- National Key Research and Development Program of China [2018YFD0200102]
- National Natural Science Foundation of China [21772055, 21572076]
- Nature Science Foundation of Hubei Province [2018CFB534]
- 111 Project [B17019]
- Self-determined research funds of CCNU from the colleges' basic research and operation of MOE
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Herein, we reported a novel surface based chemosensor, a highly chiral responsive surface recognized galactose enantiomer based on the self-assembly system, which exhibits highly efficient chiral selective for D-galactose via contact angle measurements (CA). We primarily studied the interaction between S-phenethylamine-calix[4] arene (S-DPC4A) and L/D-galactose through the characterization of H-1 NMR spectroscopic and UV spectroscopic, then a functional S-DPC4A-based sensing surface were constructed by click reaction and characterized by the analysis of contact angle and X-ray photoelectron spectroscopy (XPS). Interestingly, the S-DPC4A-based sensing surface exhibited highly dynamic responsive for the D-galactose on the tilted interface, realized the weak chiral-interaction signals to convert into the macroscopic properties of materials and reached visual distinction accompanying the changes of surface wettability.
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