Magnetometric Measurements of Low Concentration of Coated Fe3O4 Nanoparticles |
| M. Škrátek, I. Šimáček, A. Dvurečenskij, M. Majerová and J. Maňka
Institute of Measurement Science, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia |
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| A modified RF SQUID system with the 2nd order gradiometer has been tested for the purposes of detecting the magnetic nanoparticles as potential carriers of biological medicament. The paper presents basic information about the sensitivity of the system and its use for quantification of low concentration of coated Fe3O4 magnetic nanoparticles. Model measurements provided information that enabled us to define the parameter influencing the experimental results. The volume of the biological object and its distance from the antenna appear to have the significant influence on the measurement accuracy. |
DOI: 10.12693/APhysPolA.126.396 PACS numbers: 85.25.Dq, 75.50.Bb, 75.75.Fk |