Fluorescent Carbon Dioxide-Based Polycarbonates Probe for Rapid Detection of Aniline in the Environment and Its Biomarkers in Urine

Aniline compounds, as a class of widely used but highly toxic chemical raw materials, are increasingly being released and accumulated in the environment, posing serious threats to environmental safety and human health. Therefore, developing detection methods for aniline compounds is of particular si...

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Bibliographic Details
Published in:Polymers 2024-02, Vol.16 (4), p.541
Main Authors: Liu, Yun, Wang, Wen-Zhen, Zhang, Zhi-Ping, Du, Chun-Bao, Li, Lei-Lei, Zhao, Chen, Li, Hong-Jiu, Huang, Qing
Format: Article
Language:English
Subjects:
Aminophenol
Analysis
Aniline
Bioaccumulation
Biological markers
Biomarkers
Carbon dioxide
Chemical compounds
Chemical synthesis
Copolymerization
Fluorescence
Fluorescent indicators
Luminescence
Mechanical properties
Methods
Nitrogen
NMR
Nuclear magnetic resonance
Optical properties
Polycarbonate resins
Polycarbonates
Polymers
Propylene oxide
Raw materials
Stilbene
Temperature
Urine
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Summary:Aniline compounds, as a class of widely used but highly toxic chemical raw materials, are increasingly being released and accumulated in the environment, posing serious threats to environmental safety and human health. Therefore, developing detection methods for aniline compounds is of particular significance. Herein, we synthesized the fluorescent third monomer cyano-stilbene epoxide M and ternary copolymerized it with carbon dioxide (CO ) and propylene oxide (PO) to synthesize carbon dioxide-based polycarbonate (PPCM) with fluorescence recognition functions, as well as excellent performance, for the first time. The results revealed that the PPCM fluorescent probe exhibited typical aggregation-induced luminescence properties and could be quenched by aniline compounds. The probe presented anti-interference-specific selectivity for aniline compounds, and the detection limit was 1.69 × 10 M. Moreover, it was found to be a highly sensitive aniline detection probe. At the same time, the aniline biomarker p-aminophenol in urine could also be detected, which could expand the potential applications of polymers in the fluorescence-sensing field.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym16040541