Photoacoustic spectroscopy as a key technique in the investigation of nanosized magnetic particles for drug delivery systems

This paper describes how cubic ferrite nanoparticles, suspended as ionic or biocompatible magnetic fluids, can be used as a platform to built complex nanosized magnetic materials, more specifically magnetic drug delivery systems. In particular, the paper is addressed to the discussion of the use of the photoacoustic spectroscopy as an important technique in the investigation of key aspects related to the properties of the hosted nanosized magnetic particle. Examples of the use of the photoacoustic spectroscopy in accessing information regarding the particle size effect and the surface molecular coating of magnetic nanoparticle are included in the paper. (C) 2008 Elsevier B.V. All rights reserved.