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The Symposium on Membrane Processes in Industry and Biomedicine has been held under the sponsorship of the Division of Industrial and Engineering Chemistry at the 160th National Meeting of the American Chemical Society, Chicago, Illinois, September 16 and 17, 1970. Its pri­ mary objective has been to spotlight some of the current directions of research in this rapidly growing field. There is at present considerable enthusiasm in membrane research, and the expectations are running high. This is partially due to the fact that basic concepts on which membrane processes are based are so deceptively simple. Moreover, all of us are living proofs of their potential efficiency. Our lungs and kidneys, skin and intestines are examples of membrane devices for gaseous and liquid separations, exchanges, and concentration. Even on a molecular level, life as we know is inconceivable without cell membranes and cell organs, such as mitochondria and chloroplasts, which appear to function as mem­ brane regulated mini-factories for some of the most important and com­ plex chemical syntheses in our bodies.

The Symposium on Membrane Processes in Industry and Biomedicine has been held under the sponsorship of the Division of Industrial and Engineering Chemistry at the 160th National Meeting of the American Chemical Society, Chicago, Illinois, September 16 and 17, 1970. Its pri­ mary objective has been to spotlight some of the current directions of research in this rapidly growing field. There is at present considerable enthusiasm in membrane research, and the expectations are running high. This is partially due to the fact that basic concepts on which membrane processes are based are so deceptively simple. Moreover, all of us are living proofs of their potential efficiency. Our lungs and kidneys, skin and intestines are examples of membrane devices for gaseous and liquid separations, exchanges, and concentration. Even on a molecular level, life as we know is inconceivable without cell membranes and cell organs, such as mitochondria and chloroplasts, which appear to function as mem­ brane regulated mini-factories for some of the most important and com­ plex chemical syntheses in our bodies.

Electrophoresis: Theory, Methods, and Applications, Volume II focuses on the contributions of electrophoresis in the advancement of knowledge on proteins, as well as in the fields of biochemistry, physiology, and medicine. The selection first offers information on the interpretation of electrophoretic mobilities, including theories for other models, electrophoresis of polyelectrolytes, and theory for a rigid spherical particle. The text then takes a look at primary protein structures and nomenclature and identification of the normal human serum proteins. Discussions focus on principles of nomenclature of the serum constituents; methods of identification of an isolated antigen; principal methods used to study serum proteins; separation of mixtures of peptides and amino acids by high-voltage electrophoresis; and methods for determining the primary structure of proteins. The publication elaborates on inheritance of protein variation in human serum and antibodies and myeloma proteins. Topics include products of enzymic digestion, products of reduction, naturally occurring fragments, genetic variation, and variations detected in human serum proteins. The manuscript then examines lymph and cerebrospinal fluid, electrophoresis of gastrointestinal secretions, and high resolution techniques. The selection is a dependable source of data for readers interested in electrophoresis.