期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 10, 期 16, 页码 3185-3188出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ob00018k
关键词
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资金
- National Natural Science Foundation of China [21072072, 21102051]
- PCSIRT [IRTO953]
- Program for New Century Excellent Talent in University [NCET-10-0428]
A calix[4]arene acetylene (C4AE)-modified gold surface is successfully constructed in situ via click chemistry. The functionalized surface is used for selective recognition of paraquat by a wettability switch. Impedance measurements showed that the surface also expresses recognition for paraquat with a high sensitivity of 10 pM. The recognition mode, based on host-guest inclusion, is studied by computational calculations and the possible mechanism is analyzed.
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