Analyzing superparamagnetic iron oxide nanoparticles (spions) using electrical impedance spectroscopy

Author

Welzel, T. ; Debbeler, C. ; Graeser, M. ; Kaufmann, S. ; Kusche, R. ; Ludtke-Buzug, K.

fYear

2015

fDate

26-28 March 2015

Firstpage

1

Lastpage

1

Abstract

Conventional methods to evaluate the size of superparamagnetic iron oxide nanoparticles (SPIONs) and their coatings used in magnetic particle imaging (MPI) include photon cross-correlation spectroscopy (PCCS) [1], atomic force microscopy (AFM) [1] and transmission electron microscopy (TEM) [2]. There is however still a potential for improvement as they are expensive and only able to analyze small sample quantities. In this work, a new method using electrical impedance spectroscopy is evaluated. With this method, it is possible to analyze macroscopic samples at low costs.

Keywords

coatings; electric impedance imaging; iron compounds; magnetic particles; nanomagnetics; nanomedicine; nanoparticles; particle size; superparamagnetism; AFM; Fe₃O₄; TEM; atomic force microscopy; coatings; electrical impedance spectroscopy; macroscopic samples; magnetic particle imaging; photon cross-correlation spectroscopy; superparamagnetic iron oxide nanoparticles; transmission electron microscopy; Biomedical measurement; Current measurement; Dispersion; Impedance; Nanoparticles; Spectroscopy; Voltage measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetic Particle Imaging (IWMPI), 2015 5th International Workshop on

Conference_Location

Istanbul

Print_ISBN

978-1-4799-7269-2

Type

conf

DOI

10.1109/IWMPI.2015.7107062

Filename

7107062