Wu, Kai Magnetic Nanoparticle Relaxation Dynamics-Based Magnetic Particle Spectroscopy for Rapid and Wash-Free Molecular Sensing. [electronic resource] - ACS applied materials & interfaces Jul 2019 - 22979-22986 p. digital Publication Type: Journal Article ISSN: 1944-8252 Standard No.: 10.1021/acsami.9b05233 doi Subjects--Topical Terms: Biomarkers--chemistryBiosensing TechniquesHumansMagnetite Nanoparticles--chemistrySpectrum AnalysisStreptavidin--chemistry