Solvothermal synthesis of polyvinyl pyrrolidone encapsulated, amine-functionalized copper ferrite and its use as a magnetic resonance imaging contrast agent - Fatemeh Heydari; Ágnes M. Ilosvai; Noémi Kovács; Domokos Máthé; Ferenc Kristály; Lajos Daróczi; Zoltán Kaleta; Béla Viskolcz; Miklós Nagy; László Vanyorek; László Forgách; Krisztián Szigeti (PLoS ONE, 2025)