Sensitive fluorescent detection of o-aminophenol by hemicyanine boronic acid.

Spectrochim Acta A Mol Biomol Spectrosc

Faculty of Environment and Life, Beijing Key Laboratory of Environmental and Viral Oncology, Beijing University of Technology, Beijing 100124, China. Electronic address:

Published: January 2024

AI Article Synopsis

  • O-Aminophenol (OAP) is commonly used in many industries but poses significant environmental and health risks.
  • Researchers developed hemicyanine boronic acid (HBA) for quick and sensitive fluorescent detection of OAP, achieving strong fluorescence at 675 nm when reacting with OAP.
  • The detection method shows a linear range of 0.1 - 10.0 µM with a low detection limit of 60 nM, and its accuracy was confirmed through HPLC analysis, making it useful for environmental and health monitoring.

Article Abstract

O-Aminophenol (OAP) is widely used in various industries, but it can have severe negative impacts on both the environment and human health. Herein, we reported the development of hemicyanine boronic acid (HBA) for the fluorescent detection of OAP. The reaction of HBA with OAP produced a strong fluorescence emission at 675 nm because of the generation of tricyclic borate ester hemicyanine (TBEH). The detection was very rapid, sensitive and specific. The detection had a linear range 0.1 - 10.0 µM in ethanol with a detection limit of 60 nM in water and ethanol. The accuracy and precision of our results were successfully verified via HPLC analysis. Our study offers a valuable tool for the facile and efficient detection of OAP, with practical applications in environmental and health management.

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Source
http://dx.doi.org/10.1016/j.saa.2023.123341DOI Listing

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