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Determination of Safranin T Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry

Received: 26 October 2017     Accepted: 8 November 2017     Published: 5 December 2017
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Abstract

Three hydrophobic ionic liquids (IL) 1-octyl-3-methylimidazole hexafluorophosphate ([OMIM]PF6) (1-butyl-3-methylimidazole hexafluorophosphate ([BMIM]PF6),1-hexyl-3-methyl-imidazole hexafluoro-phosphate ([HMIM]PF6), were coated by Fe3O4@SiO2 nanoparticles with core-shell structure to prepare magnetic solid phase extraction agent (Fe3O4@SiO2@IL) and establish a new method of magnetic solid phase extraction (MSPE) coupled with Fluorescence spectrophotometery for separation/analysis of safranin T (ST). The results showed that safranin T was adsorbed rapidly by Fe3O4@SiO2@[OMIM]PF6 and eluted by ethanol., pre-concentration factor of the proposed method was 20-fold. Under the optimal conditions the linear range, detection limit (DL), correlation coefficient (R) and relative standard deviation (RSD) were found to be 0.30-130.00 μg L-1, 0.05μg L-1, 0.9998 and 0.35% (n=3, c=10.00 μg L-1), respectively. The Fe3O4@SiO2 NPs can be used repeatedly for 10 times. This proposed method has been successfully applied to the determination of safranin T in food samples.

Published in American Journal of Heterocyclic Chemistry (Volume 3, Issue 6)
DOI 10.11648/j.ajhc.20170306.11
Page(s) 60-66
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Safranin T, Ionic Liquid Loaded Magnetic Nanoparticles, Magnetic Solid Phase Extraction, Fluorescence Spectrophotometery

References
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    Almojtaba Abd Alkhalig Ahmed Bakheet. (2017). Determination of Safranin T Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry. American Journal of Heterocyclic Chemistry, 3(6), 60-66. https://doi.org/10.11648/j.ajhc.20170306.11

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    ACS Style

    Almojtaba Abd Alkhalig Ahmed Bakheet. Determination of Safranin T Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry. Am. J. Heterocycl. Chem. 2017, 3(6), 60-66. doi: 10.11648/j.ajhc.20170306.11

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    AMA Style

    Almojtaba Abd Alkhalig Ahmed Bakheet. Determination of Safranin T Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry. Am J Heterocycl Chem. 2017;3(6):60-66. doi: 10.11648/j.ajhc.20170306.11

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  • @article{10.11648/j.ajhc.20170306.11,
      author = {Almojtaba Abd Alkhalig Ahmed Bakheet},
      title = {Determination of Safranin T Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry},
      journal = {American Journal of Heterocyclic Chemistry},
      volume = {3},
      number = {6},
      pages = {60-66},
      doi = {10.11648/j.ajhc.20170306.11},
      url = {https://doi.org/10.11648/j.ajhc.20170306.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajhc.20170306.11},
      abstract = {Three hydrophobic ionic liquids (IL) 1-octyl-3-methylimidazole hexafluorophosphate ([OMIM]PF6) (1-butyl-3-methylimidazole hexafluorophosphate ([BMIM]PF6),1-hexyl-3-methyl-imidazole hexafluoro-phosphate ([HMIM]PF6), were coated by Fe3O4@SiO2 nanoparticles with core-shell structure to prepare magnetic solid phase extraction agent (Fe3O4@SiO2@IL) and establish a new method of magnetic solid phase extraction (MSPE) coupled with Fluorescence spectrophotometery for separation/analysis of safranin T (ST). The results showed that safranin T was adsorbed rapidly by Fe3O4@SiO2@[OMIM]PF6 and eluted by ethanol., pre-concentration factor of the proposed method was 20-fold. Under the optimal conditions the linear range, detection limit (DL), correlation coefficient (R) and relative standard deviation (RSD) were found to be 0.30-130.00 μg L-1, 0.05μg L-1, 0.9998 and 0.35% (n=3, c=10.00 μg L-1), respectively. The Fe3O4@SiO2 NPs can be used repeatedly for 10 times. This proposed method has been successfully applied to the determination of safranin T in food samples.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Determination of Safranin T Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry
    AU  - Almojtaba Abd Alkhalig Ahmed Bakheet
    Y1  - 2017/12/05
    PY  - 2017
    N1  - https://doi.org/10.11648/j.ajhc.20170306.11
    DO  - 10.11648/j.ajhc.20170306.11
    T2  - American Journal of Heterocyclic Chemistry
    JF  - American Journal of Heterocyclic Chemistry
    JO  - American Journal of Heterocyclic Chemistry
    SP  - 60
    EP  - 66
    PB  - Science Publishing Group
    SN  - 2575-5722
    UR  - https://doi.org/10.11648/j.ajhc.20170306.11
    AB  - Three hydrophobic ionic liquids (IL) 1-octyl-3-methylimidazole hexafluorophosphate ([OMIM]PF6) (1-butyl-3-methylimidazole hexafluorophosphate ([BMIM]PF6),1-hexyl-3-methyl-imidazole hexafluoro-phosphate ([HMIM]PF6), were coated by Fe3O4@SiO2 nanoparticles with core-shell structure to prepare magnetic solid phase extraction agent (Fe3O4@SiO2@IL) and establish a new method of magnetic solid phase extraction (MSPE) coupled with Fluorescence spectrophotometery for separation/analysis of safranin T (ST). The results showed that safranin T was adsorbed rapidly by Fe3O4@SiO2@[OMIM]PF6 and eluted by ethanol., pre-concentration factor of the proposed method was 20-fold. Under the optimal conditions the linear range, detection limit (DL), correlation coefficient (R) and relative standard deviation (RSD) were found to be 0.30-130.00 μg L-1, 0.05μg L-1, 0.9998 and 0.35% (n=3, c=10.00 μg L-1), respectively. The Fe3O4@SiO2 NPs can be used repeatedly for 10 times. This proposed method has been successfully applied to the determination of safranin T in food samples.
    VL  - 3
    IS  - 6
    ER  - 

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Author Information
  • Department of Family Sciences, Faculty of Education, University of Khartoum, Khartoum, Sudan

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