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zwitterion n.【化學】兩性離子 (Zwitter 〔德語〕 = h...

zygapophysis

Ni xiangshan * , shi xiufan , lin lunjiang * 1988 an interaction potential between an alanine zwitterion and a water molecule based on abainitio calculations . international journal of quantum chemistry , 34 : 527 - 533 倪向善* 、石秀凡、林倫獎* 1988基于從頭算的丙氨酸兩性離子和水分子的相互作用。國際量子化學雜志, 34 : 521 533 。

Zwitterion an ion with both a positive and a negative charge . amino acids and form zwitterions : the amino group has the form - nh3 + and the acid group is ionized as - coo - 兩性離子:既帶有正電荷又帶有負電荷的離子。氨基酸就是這樣一種離子:氨基基團為- nh3 +而羧基端為- coo - 。