Rapid and sensitive determination of nitrobenzene in solutions and commercial honey samples using a screen-printed electrode modified by 1,3-/1,4-diazines

Random Copolymers of Styrene with Pendant Fluorophore Moieties: Synthesis and Applications as Fluorescence Sensors for Nitroaromatics

“…Therefore, the detection mechanism was undoubtedly static quenching. Thus, we believe that the formation of the non-fluorescent complex P5–DNT took place for the pendant fluorophore moiety due to the π–π interaction, as was previously proved for pyrimidine polymers [ 33 ] and push–pull systems [ 8 ]. The proposed mechanism of complexation is shown in Figure 8 .…”

“…Various nitroaromatic compounds, such as nitrobenzene, 2,4-dinitrotoluene, 2,4,6-trinitrotoluene, and picric acid, are not only components of explosives and industrial reagents, but also hazardous ecotoxicants that can cause serious harm to human health ( Figure 5 ). Therefore, we must pay great attention to detecting these dangerous chemicals both in solution and in the vapor phase [ 31 , 32 , 33 ]. To estimate the ability of the copolymers P1 – P5 to detect nitroaromatic analytes, the fluorescence titration of P1 – P 5 was performed in dichloromethane solution using a method similar to that previously described in [ 34 ].…”

Recent Advances in and Applications of Electrochemical Sensors Based on Covalent Organic Frameworks for Food Safety Analysis

“…Foods 2023, 12, x FOR PEER REVIEW 3 of 19 one of the main challenges is making electrodes more responsive and selective to desired reactions. Nanotechnology has made rapid progress since the 1980s, resulting in many nanomaterials with exceptional performance and unique structures, and these materials have excellent biocompatibility, a high surface chemical activity, a large specific surface area, and a high electron transfer efficiency, thus facilitating the use of nanomaterials (for instance, COF [22][23][24], MOF [25,26], MIP [27][28][29], among others [30,31]) in electrochemical sensing). New types of electrochemical sensors have been developed as a result of the convergence of nanotechnology and sensing technology, which has a racted increasing a ention.…”

Electrochemical detection and catalytic reduction of nitrobenzene using a bimetallic NiS2/Fe3S4 magnetic heterostructure: an innovative approach for environmental remediation

“…Organic pollutants, such as nitroaromatics, 4,5 have attracted a lot of attention lately owing to their degree of toxicity, and mutagenic and carcinogenic effects. [6][7][8][9][10] Nitroaromatics undergo redox reactions in the environment, forming more toxic products that directly or indirectly harm the genetic material, form adducts, and cause mutagenesis. 11 Nitrobenzene (NB), a prominent nitroaromatic, is extensively used as a precursor for synthesizing various chemicals, such as aniline, rubber chemicals, explosives, pharmaceuticals, dyes, pesticides, and floor polishes.…”