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- W4380480736 abstract "Abstract A fluorescent sensing material based on the ternary core-shell quantum dots with outstanding optical properties and a bio-inspired molecularly imprinted polymer (MIP) as a recognition element has been prepared for selective detection of rifampicin (RFP). Firstly, AgInS 2 /ZnS core/shell quantum dots (ZAIS QDs) were synthesized by a hydrothermal process. Then, the fluorescent sensor was prepared by coating these QDs by a dopamine-based MIP layer. The fluorescence of MIP@ZAIS QDs was quenched by RFP as a result of the photoinduced electron transfer process. The quenching constant was much higher for MIP@ZAIS QDs than the non-imprinted polymer@QDs, indicating that MIP@ZAIS QDs could selectively recognize RFP. Under the optimized conditions, the sensor had a good linear relationship at the RFP concentration range of 5.0 to 300 nM and the limit of detection was 1.25 nM. It also showed good recoveries ranging from 98–101%, for analysis of human plasma samples. The method is simple and effective for the detection of RFP and offers a practical application for the rapid investigation of human plasma samples." @default.
- W4380480736 created "2023-06-14" @default.
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- W4380480736 date "2023-06-13" @default.
- W4380480736 modified "2023-10-18" @default.
- W4380480736 title "A novel fluorescent sensor for rifampicin based on the bio-inspired molecularly imprinted polymer-AgInS 2 /ZnS quantum dots" @default.
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- W4380480736 doi "https://doi.org/10.21203/rs.3.rs-3004779/v1" @default.
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