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Investigation of the Distribution of Magnetic Nanoparticles in Tumor Tissues by the Method of Scanning Magnetic Force Nanotomography

  • BIOCHEMISTRY, BIOPHYSICS, AND MOLECULAR BIOLOGY
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Abstract

The development of effective biomedical technologies using magnetic nanoparticles (MNPs) for the tasks of oncotherapy and nanodiagnostics requires the development and implementation of new methods for the analysis of micro- and nanoscale distributions of MNPs in the volume of cells and tissues. The paper presents a new approach to three-dimensional analysis of MNP distributions - scanning magnetic force nanotomography as applied to the study of tumor tissues. Correlative reconstruction of MNP distributions and nanostructure features of the studied tissues made it possible to quantitatively estimate the parameters of three-dimensional distributions of composite nanoparticles based on silicon and iron oxide obtained by femtosecond laser ablation and injected intravenously and intratumorally into tumor tissue samples of B16/F1 mouse melanoma. The developed technology based on the principles of scanning probe nanotomography is applicable for studying the features of three-dimensional micro- and nanoscale distributions of magnetic nanoparticles in biomaterials, cells and tissues of various types.

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Funding

This work was supported by the Russian Science Foundation (project no. 19-14-00171) in parts of obtaining MNPs and performing experiments in vivo.

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Correspondence to I. I. Agapov.

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The authors declare that they have no conflicts of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.

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Agapova, O.I., Efimov, A.E., Mochalov, K.E. et al. Investigation of the Distribution of Magnetic Nanoparticles in Tumor Tissues by the Method of Scanning Magnetic Force Nanotomography. Dokl Biochem Biophys 504, 115–117 (2022). https://doi.org/10.1134/S1607672922030012

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  • DOI: https://doi.org/10.1134/S1607672922030012

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