[ASAP] Exploring Simple Particle-Based Signal Amplification Strategies in a Heterogeneous Sandwich Immunoassay with Optical Detection Posted on 18 March 2024 by Daniel Geißler, K. David Wegner, Christin Fischer, and Ute Resch-Genger Analytical ChemistryDOI: 10.1021/acs.analchem.3c03691