Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 386, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2019.121630
Keywords
Halloysite; Selective modification; Metal-enhanced fluorescent detection; Photocatalysis; Tetracycline
Categories
Funding
- National Natural Science Foundation of China [51773052, U1704241, 41371501]
- Plan for Scientific Innovation Talent of Henan Province [194200510010]
- Program for Science & Technology Innovation Talents in Universities of Henan Province [20HASTIT015, 19HASTIT040]
- Science and Technology Research Project of Henan province [182102310702, 162102210065]
- Science Research Funds for the Universities of Henan Province [NSFRF170305, NSFRF1607]
- Fundamental Research Funds for the Universities of Henan Province
- Foundation for Distinguished Young Scientists of Henan Polytechnic University [J2018-2]
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The ultrasensitive detection and efficient degradation of tetracycline (TC) residues are important for improving food safety and protecting human health. In this paper, a smart silver-enhanced fluorescence platform for the ultrasensitive detection of TC was constructed via a simple and selective modification of the interior and external tubes of natural halloysite nanotubes. The thick pipe wall of this platform provides a natural defense and promotes metal-enhanced fluorescence effects, which subsequently accelerates the detection of TC. Moreover, the nanoplatform of the modified Ag nanoparticles can induce the separation of electrons and holes, thereby enhancing photocatalytic activity in TC degradation. This platform provides new opportunities for studying natural halloysite nanotubes and for simultaneously detecting and photodegrading other deleterious substances.
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