Technical and Methodological Investigations.- Evaluation of equilibrium and nonequilibrium density gradients in an analytical ultracentrifuge by calibration with marker particles.- Solubility equilibrium gradients in the analytical ultracentrifuge: an approach towards the isolation of critical crystal nuclei in solution.- Polymers, Colloids and Supramolecular Systems.- Hybrid polymer heterogeneity and boundary profile in a low-speed sedimentation experiment.- Studies on the partial specific volume of a poly(ethylene glycol) derivative in different solvent systems.- Characterization of serum albumin nanoparticles by sedimentation velocity analysis and electron microscopy.- Properties of a membrane-forming polymer, poly(1-trimethylgermyl-1-propyne), in dilute solutions.- Biological Systems.- Combination of preparative and analytical ultracentrifugation methods for the investigation of low-density lipoprotein aliquots to prepare radioactive-labelled lipoproteins.- Physicochemical and chemical characterisation of chitosan in dilute aqueous solution.- Protein hydration varies with protein crowding and with applied pressure: a sedimentation velocity study.- Determination of thermodynamic properties of sodium alginate from bacteria and seaweeds in aqueous solutions.- Interacting Systems.- Self-association of phosphorylase kinase from rabbit skeletal muscle in the presence of natural osmolyte, trimethylamine N-oxide.- The state of association of the cytochrome bc1 complex from Paracoccus denitrificans in solutions of dodecyl maltoside.- Study of polyelectrolyte complex formation applying the synthetic boundary technique of analytical ultracentrifugation.- Thermodynamics.- The sedimentation behaviour of gels - the generalised Lamm's differential equation.- Evidence for phasetransitions of aqueous gelatin gels in a centrifugal field.- Exact theory of sedimentation equilibrium made useful.- Hydrodynamics.- Correlations between crystallographic, small-angle scattering and hydrodynamic data of biopolymers.- Modeling of protein hydration with respect to X-ray scattering and hydrodynamics.- Prediction of hydrodynamic parameters of Lumbricus terrestris hemoglobin from small-angle X-ray and electron microscopic structures.- Evaluation of draining and volume effects in the interpretation of hydrodynamic data for linear macromolecules.
