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Updated: Sep 19, 2025
A Polyaniline-based Sensor of Nucleic Acids
Published on: November 1, 2016
A threefold interpenetrated three-dimensional cobalt(II) coordination polymer with highly sensitive sensing for
Weiwei Cheng1, Jie Mei1, Haijian Jiang1
1School of Chemistry and Bioengineering, Nanjing Normal University Taizhou College, Taizhou 225300, People's Republic of China.
None:
A novel CoII-based coordination polymer, poly[[μ-4,4'-bis(2-methyl-1H-imidazol-1-yl)-1,1'-biphenyl-κ2N3:N3'](μ-5-nitrobenzene-1,3-dicarboxylato-κ2O1:O3)cobalt(II)], [Co(C8H3NO6)(C20H18N4)] or [Co(NO2-BDC)(4,4'-BMIBP)]n, (I), was synthesized successfully via a hydrothermal reaction. The synthesis employed 5-nitrobenzene-1,3-dicarboxylic acid (NO2-H2BDC) as the organic linker, 4,4'-bis(2-methyl-1H-imidazol-1-yl)-1,1'-biphenyl (4,4'-BMIBP) as the N-donor auxiliary ligand and cobalt(II) nitrate hexahydrate as the metal source. Structural characterization revealed that (I) crystallizes in a unique three-dimensional framework featuring a threefold parallel interwoven dmp network topology. Photoluminescence studies demonstrated that (I) exhibits remarkable sensitivity and selectivity for the detection of nitrofurazone (NFZ) in aqueous solution. Furthermore, systematic investigations were conducted to elucidate the potential fluorescence quenching mechanisms of (I) toward NFZ.
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