Diffusion under confinement

1. Introduction2. Zeolites - an Ideal Model System for Studying Diffusion under Confinement3. Diffusion: Fundamental Principles and Ways of Observation3.1 Basic Laws of Diffusion3.2 The Different Techniques of Diffusion Measurement3.3 Diffusion Measurement by NMR3.4 Possible Reasons for a Remarkable Discrepancy4. Structure-Mobility Relations in Zeolitic Diffusion4.1 The Propagator Representation of Zeolitic Diffusion4.2 The Different Patterns of Concentration Dependence4.3 Correlated Anisotropy of Diffusion4.4 Single-File Diffusion4.5 Molecular Traffic Control4.6 Diffusion and Reaction5. Conclusion and Acknowledgement