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June 20, 1936

Kolloid-Fibel für Mediziner

JAMA. 1936;106(25):2188. doi:10.1001/jama.1936.02770250072043

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This "Colloid Primer" by one of the foremost authorities on colloids, shows that it takes a master to present a complex subject simply. He chiefly intends this "primer" as a stimulus to the reading of more extensive books. While the reading of this book can be chiefly recommended to one to whom this field is new, its perusal will pay the teacher, as it will enrich his vocabulary with helpful metaphors and similes. "Protective colloid" is "likened to a defensive armor." Soap acts by "one end of its long molecule projecting into the oil (the disperse phase) and the other end sticking out into the water." Each cell is "a mosaic of somewhat more acid and mere alkaline places" and its "membrane, a mosaic of lipoids and of water swelled protein, so that it is permeable to both."

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