Mn-ferrite nanoparticles as promising magnetic tags for radiofrequency inductive detection and quantification in lateral flow assays

The authors acknowledge financial support from the Ministry of Science and Innovation of the Spanish Government under grant PLEC2022-009490, the University Technological Institute of Asturias (IUTA) under grant SV-22-GIJON-18, the Government of the Principality of Asturias under projects FICYT/IDI/2021/000100 and FICYT/IDI/2021/00027, the Brazilian agency Federal District Research Support Foundation (FAPDF), under grant 00193-00001862/2023-06, and the Plan Propio de la Universidad de Castilla-La Mancha (FEDER, EU) 2022-GRIN-34313. Technical support was provided by Graciela Castellanos and the technical service of the University of Oviedo and the Instituto de Ciencia de Materiales de Madrid. Ron Goldfarb, NIST, contributed the susceptibility measurements in Fig. 5C and helpful comments on the manuscript. M.S. was supported by a Margarita Salas fellowship financed by the European Union-Next Generation EU and the Plan for Recovery, Transformation, and Resilience. Some of the figures in this article were created with https://www.biorender.com/.