申请人:EASTMAN KODAK COMPANY
(a New Jersey corporation)
公开号:EP0082518A2
公开(公告)日:1983-06-29
lon-sensitive compositions which comprise an ionophore, a compound capable of solvating the ionophore, and a supporting matrix are disclosed. The ionophore according to the invention is a lipophilic hemispherand compound. These compositions are particularly useful in ion-sensitive electrodes. Preferred electrodes are capable of selectively detecting a first ion in preference to a second ion. Particularly useful hemispherands have a AG of complexation with the first ion which is at least 0.3 Kcal/mole greater than the ΔG of complexation with the second ion.
本发明公开了由一种离子团、一种能够溶解该离子团的化合物和一种支撑基质组成的离子敏感组合物。根据本发明,嗜离子体是一种亲脂性半球化合物。这些组合物特别适用于离子敏感电极。优选的电极能够选择性地检测第一种离子而不是第二种离子。特别有用的半雌雄同体化合物与第一离子的络合 AG 至少比与第二离子的络合 ΔG 大 0.3 千卡/摩尔。