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Fluorescence-enhanced optical sensor for detection of Al3+ in water based on functionalised nanoporous silica type SBA-15

Chemical papers, 2016-11, Vol.70 (11), p.1431-1438 [Peer Reviewed Journal]

Institute of Chemistry, Slovak Academy of Sciences 2016 ;ISSN: 0366-6352 ;EISSN: 1336-9075 ;DOI: 10.1515/chempap-2016-0079

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  • Title:
    Fluorescence-enhanced optical sensor for detection of Al3+ in water based on functionalised nanoporous silica type SBA-15
  • Author: Karimi, Mehdi ; Badieia, Alireza ; Ziarani, Ghodsi Mohammadi
  • Subjects: Biochemistry ; Biotechnology ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; fluorescence ; Industrial Chemistry/Chemical Engineering ; Materials Science ; Medicinal Chemistry ; nanoporous silica material ; optical sensor ; Original Paper ; SBA-15
  • Is Part Of: Chemical papers, 2016-11, Vol.70 (11), p.1431-1438
  • Description: An organic–inorganic hybrid optical sensor (PQ-SBA-15) was designed and prepared through functionalisation of the SBA-15 surface with 3-piperazinepropyltriethoxysilane followed by covalently attaching 8-hydroxyquinoline. Characterisation techniques, including FT-IR, thermal gravimetric, N2 adsorption-desorption and X-ray powder diffraction analyses, showed that the organic moieties were successfully grafted onto the surface of SBA-15 without the SBA-15 structure collapsing. The evaluation of the sensing ability of PQ-SBA-15 using fluorescence spectroscopy revealed that the PQ-SBA-15 was a selective fluorescence enhancement-based optical sensor for Al 3+ in water in the presence of a wide range of metal cations including Na + , Mg 2+ , K + , Ca 2+ , Cr 3+ , Mn 2+ , Fe 3+ , Co 2+ , Ni 2+ , Cu 2+ , Zn 2+ , Cd 2+ , Hg 2+ and Pb 2+ with a limit of detection of 8.8 × 10–7 M. In addition, good linearity was observed between the fluorescence intensity and the concentration of Al 3+ .
  • Publisher: Cham: Springer International Publishing
  • Language: English;German;Russian;Slovak
  • Identifier: ISSN: 0366-6352
    EISSN: 1336-9075
    DOI: 10.1515/chempap-2016-0079
  • Source: ProQuest Central
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