1. “Petru Poni” Institute of Macromolecular Chemistry of Romanian Academy; 41A, Gr. Ghica Voda Alley Iasi 700487 Romania
2. Laboratory of Magnetic Fluids; Center for Fundamental and Advanced Technical Research; Romanian Academy - Timisoara Branch; 24 Bd. Mihai Viteazul Timisoara 300223 Romania
3. Radiology and Medical Imaging Department; University of Medicine and Farmacy “Grigore T. Popa,”; 16 Universitatii Str. Iasi 700115 Romania