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Surface Molecular Imprinting on Mn-Doped ZnS Quantum Dots for Room-Temperature Phosphorescence Optosensing of Pentachlorophenol in Water
Abstract
A new type of molecularly imprinted polymer (MIP)-based room-temperature phosphorescence (RTP) optosensor was developed by anchoring the MIP layer on the surface of Mn-doped ZnS quantum dots (QDs) via a surface molecular imprinting process. The synergetic combination of the RTP property of the Mn-doped ZnS QDs and the merits of the surface imprinting polymers not only improves the RTP selectivity of the Mn-doped ZnS QDs but also makes the MIP-based RTP optosensor also applicable to selective detecting of those nonphosphorescent analytes without the need for any inducers and derivatization. The new MIP-based RTP sensing protocol was applied to detect trace pentachlorophenol (PCP) in water samples without the interference of autofluorescence and scattering light of matrixes. The detection limit for PCP was 86 nM, and the precision for five replicate detections of 0.4 microM PCP was 2.8% (relative standard deviation). The recovery of spiked PCP in river water samples ranged from 93% to 106%.
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Cited by
Stimulus-responsive hydrogels: theory, modern advances, and applications
Koetting, M. C., Peters, J. T., Steichen, S. D., & Peppas, N. A. (2015) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2015.04.001 · Cited by 1,191
Doped quantum dots for chemo/biosensing and bioimaging
Wu, P., & Yan, X.-P. (2013) · Chemical Society Reviews · doi:10.1039/c3cs60017c · Cited by 667
Self-citationXu, S., Lu, H., Li, J., Song, X., Wang, A., Chen, L., & Han, S. (2013) · ACS Applied Materials & Interfaces · doi:10.1021/am4022076 · Cited by 293
Fluorescence detection of pesticides using quantum dot materials – A review
Nsibande, S. A., & Forbes, P. B. C. (2016) · Analytica Chimica Acta · doi:10.1016/j.aca.2016.10.002 · Cited by 283
Chen, B., Zhang, X., Wang, Y., Miao, H., & Zhang, G. (2019) · Chemistry – An Asian Journal · doi:10.1002/asia.201801002 · Cited by 43
Metadata
- Authors
- Wang, H.-F., He, Y., Ji, T.-R., & Yan, X.-P.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-01-26
- Volume
- 81
- Issue
- 4
- Pages
- 1615-1621
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W1996337352
- Cited by
- 413
- References
- 0
- FWCI
- 28.71
- Type
- journal article
- Language
- en
- Open access
- closed
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