作者:Daniel Erne、Nada Stojanac、Daniel Ammann、Peter Hofstetter、Ern� Pretsch、Wilhelm Simon
DOI:10.1002/hlca.19800630816
日期:1980.12.10
Different electrically neutral lipophilic di- and triamides were prepared and their ion selectivity in membranes studied. In membranes the ionophore N, N′-diheptyl-N, N′-dimethyl-succinamide prefers Ca2+ over Mg2+ by a factor of 20 but rejects Na+ and K+ in respect to Mg2+ by a factor of 100 and 10, respectively. This selectivity suffices to perform useful intracellular Mg2+ activity studies.
制备了不同的电中性亲脂性二酰胺和三酰胺,并研究了它们在膜中的离子选择性。在膜上的离子载体Ñ,N' -diheptyl- Ñ,N' -二甲基-琥珀酰胺喜欢的Ca 2+过的Mg 2+ 20的一个因素,但拒绝的Na +和K +中的Mg 2+通过100倍和10。这种选择性足以进行有用的细胞内Mg 2+活性研究。