Structure and dynamics of aerosols and nanoparticles

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The rapidly growing interest in molecular nanoparticles, aerosols, and clusters with diameters ranging from subnanometers to microns arises from their increasing relevance in many different fields. Molecular particles of widely varying composition are seen to play an important role, e. g. as aerosols in atmospheric processes or as reactive sites in interstellar dust. In this context it is obviously crucial to know the chemical composition, the size, and the reactivity of these particles and to understand the processes by which they are formed. The ability to control their formation is not only a prerequisite for laboratory studies, but also opens up other fields of application such as nanoparticles of pharmaceutical agents. The major goal here is the preparation of encapsulated or coated drug particles for controlled or even targeted drug delivery in medical applications.