Surfaces of Nanoparticles and Porous Materials

James A. Schwarz, Cristian I. Contescu

". . .provides a good overview of nanosurface science."---European Journal of Pharmaceutics and Biopharmaceutics

• Preparation, characterization, and transport properties of nanoparticles and porous solids: synthesis of a polysilazane coating on a silica gel via chemical surface coating comparing liquid and gas phase chlorosilylations - a composition and porosity study; preparation of molecular sieves by pillaring of synthetic clays; engineering of nanosize superparamagnetic particles for use in magnetic carrier technology; acid-base behaviour of surfaces of porous materials; electro-optical spectroscopy of colloidal systems; NMR studies of colloidal oxides; polymer surface dynamics using surface-modified glasses via dynamic contact angle measurements; microporous structure of collagen fibres; adsorption a onto oxides - the role of diffusion; electrokinetic phenomena in porous media and around aggregates; transport processes in microemulsions; structural effects on diffusivity within aggregates of colloidal zirconia. Adsorption from vapour/gas phase onto nanoparticle and porous solids: characterization of energetically heterogeneous surfaces from experimental adsorption isotherms; computer simulations of the structural and thermodynamic properties of adsorbed phases; surface heterogeneity effects on adsorption equilibria and kinetics -rationalizations of the Elovich equation; single and multicomponent adsorption equilibria of hydrocarbons on activated carbon - the role of microspore size distribution; surface and structural properties of modified porous silicas; surface chemistry of activated carbon materials - state of the art and implications of adsorption; nanodimensional magnetic assembly of confined O2; heat of adsorption of pure gas and multicomponent gas mixtures on microporous adsorbents. Adsorption from the liquid phase onto nanoparticles and porous solids: charge regulation at the surface of a porous solid; surface ionization and complexation; the surface charge of alkali halides in their saturated solutions; ionic adsorbates on hydrophobic surfaces; adsorption of metal ions to humic acid; hydrous metal oxides as adsorbents for aqueous heavy metals; adsorption of ions on alumina; protein adsorption onto latex particles; adsorption of pharmaceutical organics on porous materials