Institute of Fundamental Technological Research
Polish Academy of Sciences

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Michał Krajewski


Recent publications
1.  Olusegun S., Souza Guilhermina de O., Sutuła S., Osial M., Krajewski M., Pękała M., Sobczak K., Felis E., Krysiński P., Methotrexate anti-cancer drug removal using Gd-doped Fe3O4: Adsorption mechanism, thermal desorption and reusability, Groundwater for Sustainable Development, ISSN: 2352-801X, DOI: 10.1016/j.gsd.2024.101103, Vol.25, pp.1-9, 2024

Keywords:
Adsorption,Thermal desorption,Gd-doped Fe3O4,Methotrexate

Affiliations:
Olusegun S. - other affiliation
Souza Guilhermina de O. - other affiliation
Sutuła S. - other affiliation
Osial M. - IPPT PAN
Krajewski M. - other affiliation
Pękała M. - other affiliation
Sobczak K. - other affiliation
Felis E. - other affiliation
Krysiński P. - other affiliation
2.  Olusegun S., Osial M., Majkowska-Pilip A., Żelechowska-Matysiak K., Nieciecka D., Krajewski M., Pękała M., Krysiński P., Synthesis and characterization of Sr2+ and Gd3+ doped magnetite nanoparticles for magnetic hyperthermia and drug delivery application, CERAMICS INTERNATIONAL, ISSN: 0272-8842, DOI: 10.1016/j.ceramint.2023.03.102, pp.1-10, 2023

Abstract:
Commendable efforts have been gingered towards the fight against cancer. Nevertheless, it remains a major public health concern due to its predominant cause of death globally. Given this, we synthesized two different nanoparticles, Sr2+ and Gd3+ doped magnetite for magnetic hyperthermia and drug delivery application. Based on the characterization, the diffractogram shows that only one phase related to magnetite with a crystallite size of 10 nm was formed. TEM images revealed nanoparticles of spherical shapes of approximately 12 nm. There is no difference in magnetic saturation of the as-received synthesized samples (Fe3O4@Sr and Fe3O4@Gd), while the BET-specific surface area of Fe3O4@Gd is 8 m2 g−1 higher than Fe3O4@Sr. The heat generation in alternating magnetic field (the magnetic hyperthermia) of Fe3O4@Sr functionalized with citric acid and loaded with 5- fluorouracil (Fe3O4@Sr@CA@5-flu) is slower than Fe3O4@Gd@CA@5-flu. The specific absorption rate (SAR) of Fe3O4@Gd@CA@5-flu, 112.0 ± 10.4 W g−1 was found to be higher than that of Fe3O4@Sr@CA@5-flu. The thermogram shows that 11% of the drug was successfully loaded on Fe3O4@Gd@CA@5-flu. The release of the antitumor drug by the synthesized nanoparticle drug carriers for ovarian cancer (SKOV-3 cells) therapy showed that more than 50% of the cancer cell’s viability was reduced after 72 h of incubation. The synthesized nanoparticles demonstrated a promising drug carrier for the treatment of SKOV-3 cells.

Affiliations:
Olusegun S. - other affiliation
Osial M. - IPPT PAN
Majkowska-Pilip A. - other affiliation
Żelechowska-Matysiak K. - other affiliation
Nieciecka D. - other affiliation
Krajewski M. - other affiliation
Pękała M. - other affiliation
Krysiński P. - other affiliation

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