Synthesis of Novel Acylhydrazone Based Fluorescent Probes and Their Sensing Properties for Al(Ⅲ)
  
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KeyWord:acylhydrazone  fluorescent probe  synthesis  aluminum
  
AuthorInstitution
LONG Zhao-xian,LI Xiao-hong,JIANG Guang-qi 1.贵州大学化学与化工学院;2.贵州大学精细化工研究开发中心绿色农药和农业生物工程教育部重点实验室
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Abstract:
      Two acylhydrazone based fluorescent probes 1 and 2 were synthesized.Probes 1 and 2 both showed an excellent selectivity toward Al3+ in DMSO-H2O(7∶3,by volome) solution at emission wavelengths of 478 nm and 460 nm,respectively.The stoichiometric ratios of 1∶2 for the Al3+ complexes were determined by Jobs plots,1H NMR titration experiments and LC-MS analysis.The detection limits of probes 1 and 2 for Al3+ were found to be 9.58×10-8 mol/L and 6.52×10-8 mol/L,respectively.The fluorescent sensing mechanisms for probes 1 and 2 to Al3+ were proposed.Furthermore,the applied research revealed that the probes 1 and 2 could be used for the detection of Al3+ in river water and tap water samples.
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