Optimized Synthesis and Stabilization of Superparamagnetic Iron Oxide Nanoparticles for Enhanced Biomolecule Adsorption - Wanderson Juvencio Keijok; Luis Alberto Contreras Alvarez; Angelo Marcio de Souza Gomes; Fabiana Vasconcelos Campos; Jairo Pinto de Oliveira; Marco Cesar Cunegundes Guimarães (ACS Omega)