" The main goal of our research is to analyze, control and exploit molecular interactions involving proteins and colloidal particles. The motivation is initially to obtain improved quantitative insights into existing processes, leading to more effective methods for designing and using them, but an auxiliary objective is to develop new products and operations. These themes bring together a diverse collection of research activities, discussed below, involving theoretical and experimental work dealing with both the fundamentals -- transport, kinetic and thermodynamic phenomena -- and their interaction in the process environment. The path from molecular structure through continuum properties to process design represents the central paradigm in modern chemical engineering, but it has been applied much less extensively to species such as proteins than to small molecules; such processes as protein separations still depend very heavily on empirical methods for design and optimization. "