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Silanized Citric Acid Capped Magnetic Nanoparticles and Influence on Chlorophylls

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Part of the IFMBE Proceedings book series (IFMBE,volume 77)

Abstract

Two step synthesis of cobalt ferrite nanoparticles capped with citric acid and coated with silica was carried out. Citric acid coated magnetic grains were synthesized by chemical co-precipitation starting from iron and cobalt salt solutions in stoichiometric ratio. Adapted sol-gel method was applied to yield the silica/citrate/cobalt ferrite nanocomposites. Microstructural and magnetic properties were evidenced by TEM, XRD and VSM. Nanotoxicity tests were done on maize plants during their early ontogenetic stages. Quantum mechanical characterization was performed with specialized software to evidence chlorophylls molecular properties for discussing their diminished contents in the green tissues of young seedlings supplied with magnetic nanocomposites.

Keywords

  • Co0.5Fe2.5o4
  • Co-precipitation
  • Sol-gel
  • Nanotoxicity
  • Photosynthetic pigments

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Acknowledgements

Part of this study was supported by JINR-RO projects 2019.

Conflict of Interest The authors declare no conflict of interests.

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Correspondence to D. Creanga .

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Popescu, L. et al. (2020). Silanized Citric Acid Capped Magnetic Nanoparticles and Influence on Chlorophylls. In: Tiginyanu, I., Sontea, V., Railean, S. (eds) 4th International Conference on Nanotechnologies and Biomedical Engineering. ICNBME 2019. IFMBE Proceedings, vol 77. Springer, Cham. https://doi.org/10.1007/978-3-030-31866-6_47

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  • DOI: https://doi.org/10.1007/978-3-030-31866-6_47

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  • Publisher Name: Springer, Cham

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