WANG Ye,CUI Tong,BO Qing-wen,LI Chao,GAO Yun,GAO Yan.Construction of Ag+ Fluorescent Probe Based on Naphthofuran and Its Bioimaging Application[J].Journal of Instrumental Analysis,2025,44(07):1392-1398.
WANG Ye,CUI Tong,BO Qing-wen,LI Chao,GAO Yun,GAO Yan.Construction of Ag+ Fluorescent Probe Based on Naphthofuran and Its Bioimaging Application[J].Journal of Instrumental Analysis,2025,44(07):1392-1398. DOI: 10.12452/j.fxcsxb.241008438.
Construction of Ag+ Fluorescent Probe Based on Naphthofuran and Its Bioimaging Application
was synthesized by condensation reaction of naphthofuranoylhydrazide and 8-hydroxyquinoline-2-carbaldehyde. The structures were characterized by high resolution mass spectrometry(HR-MS),hydrogen NMR(
1
H NMR) and carbon NMR(
13
C NMR),the blue fluorescence of probe
L
was significantly quenched in the presents of Ag
+
in HEPES buffer solution.Based on this,the probe
L
can identify Ag
+
with high sensitivity. The respon
se mechanism of probe
L
towards Ag
+
was investigated by HR-MS. The detection limit of Ag
+
by
L
was 5.62×10
-8
mol/L. Because of its high sensitivity,fast response(80 s) and good biocompatibility,the probe
L
has been successfully applied to the detection of Ag
+
in actual water samples by fluorescence standard curve method and atomic absorption spectrometry,the data showed that the two methods had essentially identical results.The probe
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