リン脂質溶液の物理化学的研究 : 第3報水-エタノール中におけるPhosphatidyl-ethanolamineの解離について

概要

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Natural cephalin (pig brain) also combines with some metal salts as lecithin. To know the properties of cephalin and its metal complex-compounds, potentiometric titrations were curried out in water-alcholic solvent. The titration curves of natural cephalin and synthetic 1-α-dipalmitoyl-phosphatidyl-ethanol-amine showed two infrectinal points, and appearant dissociation constants pk_1, pk_2 were calculated from these curves to 4.83 and 9.37 respectively. On the combination compounds of cephalin and metalsalts such as their titration curves were very like their mother compound. And it was assumed the comoining forces of the complexes were not the forces observed in the coordination compound.
仙台大学の論文