Self-assembly flexible SERS imprinted membrane based on Ag nanocubes for selective detection of microcystin-LR
© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature..
Silver nanocubes monolayer-modified polydimethylsiloxane (Ag NC/PDMS) flexible SERS substrates have been prepared by a three-phase interface self-assembly procedure. The combination of this method with membrane technology brings nanoparticles in close proximity, densely, and regularly arranged in monolayers over a large area, leading to excellent SERS properties. Considering the complexity of practical detection, molecular imprinted polymers (MIPs) were anchored on the surface of SERS substrate and applied to selective detection of microcystin-LR (MC-LR). It is worth mentioning that the SERS imprinted membranes (AP-MIMs) were still clearly detected at a concentration of 0.1 µg·L-1 of MC-LR in drinking water, and the detection limit was as low as 0.0067 µg·L-1. The substrate exhibited excellent uniformity with a relative standard deviation (RSD) of 6.1%. In the presence of interference molecules, AP-MIMs exhibited excellent selectivity for MC-LR. Furthermore, in the spiking and recovery tests of practical lake water samples, the method showed excellent recoveries ranging from 96.47 to 105.31%. It has been demonstrated that the prepared AP-MIMs can be applied to sensitive and specific detection of trace amounts of MC-LR in drinking water.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:191 |
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| Enthalten in: |
Mikrochimica acta - 191(2023), 1 vom: 13. Dez., Seite 19 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Zedong [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 16.12.2023 Date Revised 16.01.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00604-023-06096-0 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Silver nanocubes monolayer-modified polydimethylsiloxane (Ag NC/PDMS) flexible SERS substrates have been prepared by a three-phase interface self-assembly procedure. The combination of this method with membrane technology brings nanoparticles in close proximity, densely, and regularly arranged in monolayers over a large area, leading to excellent SERS properties. Considering the complexity of practical detection, molecular imprinted polymers (MIPs) were anchored on the surface of SERS substrate and applied to selective detection of microcystin-LR (MC-LR). It is worth mentioning that the SERS imprinted membranes (AP-MIMs) were still clearly detected at a concentration of 0.1 µg·L-1 of MC-LR in drinking water, and the detection limit was as low as 0.0067 µg·L-1. The substrate exhibited excellent uniformity with a relative standard deviation (RSD) of 6.1%. In the presence of interference molecules, AP-MIMs exhibited excellent selectivity for MC-LR. Furthermore, in the spiking and recovery tests of practical lake water samples, the method showed excellent recoveries ranging from 96.47 to 105.31%. It has been demonstrated that the prepared AP-MIMs can be applied to sensitive and specific detection of trace amounts of MC-LR in drinking water | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Microcystin-LR | |
| 650 | 4 | |a Molecularly imprinted polymers | |
| 650 | 4 | |a PDMS membrane | |
| 650 | 4 | |a Selective detection | |
| 650 | 4 | |a Surface-enhanced Raman scattering | |
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| 700 | 1 | |a Liu, Dajun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Hongji |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yuming |e verfasserin |4 aut | |
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