Contents. Preface. Acknowledgements. Chapter 1. Adsorption, Chromatography and Membrane Separations. Recent advances in membrane technology that could improve resource recovery and recycle: Fluid mechanics, surface science and bioaffinity (G. Belfort). Stabilization of target protein during bioseparation (X.-L. Feng, Y.-T. Jin, Z. -G. Su). Bioseparation of natural products (C. Keim, M.R. Ladisch). On-line recovery of large molecules from mixture solution using semi-continuous size exclusion chromatography (Y.-M. Kim, W. -J. Chang, Y. -M. Koo). Dye adsorption by activated carbon in centrifugal field (C.-C. Lin, H.-S. Liu). Formation and structural change of cake during crossflow microfiltration of microbial cell suspension containing fine particles (T. Tanaka, N. Yamagiwa, T. Nagano, M. Taniguchi, K. Nakanishi). Continuous separation of ternary mixture of amino acids using rotating annular chromatography with partial recycle of effluent (T. Fukumura, V.M. Bhandari, A. Kitakawa, T. Yonemoto). Mass transfer characteristics of a perfusion-type gel analyzed by shallow bed method (M. Terashima., S. Nishimura, H. Yoshida). Fouling of cheese whey during reverse osmosis and precipitation of calcium phosphate (H. Tsuge, Y. Tanaka, N. Hisamatsu). Separation of dead cells from culture broth by using dielectrophoresis (M. Hakoda, N. Shiragami). Microcalorimetric studies of interactions between proteins and hydrophobic ligands in hydrophobic interaction chromatography: Effects of ligand chain length, density, and the amount of bound protein (F. -Y. Lin, W.-Y. Chen, R.-C. Ruaan, H. -M. Huang). Membrane phase separation of aqueous/alcohol biphase mixture and its application for enzyme bioreactor (Y. Isono, M. Nakajima). Microfabricated structures for bioseparation (J.W. Hong, K. Hosokawa, T. Fujii, M. Seki, I. Endo). Production of a human IgM-type antibody and preparation of combinatorial library by recombinant Saccharomyces cerevisiae (N.