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Updated: Oct 2, 2025
Measuring Nitrite and Nitrate, Metabolites in the Nitric Oxide Pathway, in Biological Materials using the Chemiluminescence Method
Published on: December 25, 2016
A novel highly specific colorimetric fluorescent probe for the detection of nitrite in aqueous solution
Jing Xu1, Yanfeng Shi2, Gongwei Xu1
1School of Water Conservancy and Environment, University of Jinan, Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization, Jinan, China.
Abstract:
Developing an effective method for the detection of nitrite (NO2 - ) ions in the natural environment especially in environmental waters and soils is very necessary, since they will cause serious damage to human health once excess NO2 - ions enters the human body. Therefore, a new colorimetric fluorescent probe NB-NO2 - for determining NO2 - ions was designed, which possesses good water-solubility and satisfactory selectivity over other common ions for NO2 - ions. The addition of NO2 - ions changed the color of solution from blue to colorless seen by the naked-eye. Furthermore, through test and calculation, the detection limit of the probe NB-NO2 - is 129 nM. Based on the earlier excellent characteristics, the probe NB-NO2 - was successfully used for monitoring NO2 - ions in environmental waters and soils.
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