Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 34381-71-0, Name is (S)-(-)-1-Methyl-2-pyrrolidinemethanol, molecular formula is C6H13NO. In an article, author is Wierzba, Aleksandra J.,once mentioned of 34381-71-0, Formula: https://www.ambeed.com/products/34381-71-0.html.
Nitrites are the upstream precursors of the carcinogenic nitrosamines, which are widely found in the natural environment and many food products. It is important to develop a simple and sensitive sensor for detecting nitrites. In this work, a fluorescence probe based on nitrogen-doped carbon quantum dots (N-CQDs) was developed for the sensitive and selective determination of nitrites. At pH 2, the fluorescence of N-CQDs can be selectively quenched by nitrite due to the fact N-nitroso compounds can be formed in the reaction of amide groups with nitrous acid, which results in fluorescence static quenching. Under optimal conditions, fluorescence intensity quenching upon addition of nitrite gives a satisfactory linear relationship covering the linear range of 0.2-20 M, and the limit of detection (LOD) is 40 nM. Moreover, this method has been successfully applied to the determination of nitrites in tap water, which indicates its great potential for monitoring of nitrites in environmental samples.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics