Total Internal Reflection Fluorometric Study of the Ion-Association Adsorption of Ionic Derivatives of Porphyrin at Liquid–Liquid Interface
Total Internal Reflection Fluorometric Study of the Ion-Association Adsorption of Ionic Derivatives of Porphyrin at Liquid–Liquid Interface
复制标题
卟啉离子衍生物在液-液界面离子缔合吸附的全内反射荧光研究
DOI：
10.1246/bcsj.70.351
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发表时间：
1997
影响因子：
4
通讯作者：
H. Watarai
中科院分区：
文献类型：
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作者：
Yoriko Saitoh;H. Watarai
采用全内反射荧光法在甲苯/水体系中测定了5,10,15,20-四（4-磺酰基）-21H， 23h -卟啉（H2tpps4−）与十六烷基三甲基铵离子和5,10,15,20-四（1-甲基-4-吡啶）-21H， 23h -卟啉（H2tmpyp4+）与十六烷基磺酸的界面离子结合吸附。在没有离子表面活性剂的情况下，卟啉的吸附性很小，但在10−8 ~ 10−7 M浓度的表面活性剂的加入下，卟啉的吸附性有所提高。吸附性能受表面活性反离子的正电荷或负电荷及其浓度的影响，而正电荷或负电荷决定了界面的静电势。此外，发现疏水络合物阳离子锌(II)-1,10-菲罗啉对[Zntpps]4−离子的界面吸附有显著的促进作用，而对[Zntmpyp]4+离子的吸附没有明显的促进作用。
Interfacial ion-association adsorption of 5,10,15,20-tetrakis(4-sulfonatophenyl)-21H,23H-porphine (H2tpps4−) with hexadecyltrimethylammonium ion and 5,10,15,20-tetrakis(1-methyl-4-pyridinio)-21H,23H-porphine (H2tmpyp4+) with 1-hexadecanesulfonate was measured by means of a total internal reflection fluorometry at toluene/water systems. The adsorptivity of the porphyrins was negligibly small in the absence of the ionic surfactants, but it was increased by the addition of the surfactants in the 10−8—10−7 M concentration. The adsorptivity was governed by the positive or negative charge of the surface-active counter ion and its concentration, which determined the electrostatic potential of the interface. Further, it was found that zinc(II)-1,10-phenanthroline, a hydrophobic complex cation, remarkably enhanced the interfacial adsorption of [Zntpps]4− ion, but showed no positive effect on the adsorption of [Zntmpyp]4+ ion.
H.Watarai：“液/液界面水溶性卟啉离子缔合吸附的全内反射荧光测量”Chem.Lett.283-284 (1995)
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H. Watarai：“铁 (II) 与 1,10-菲咯啉的离子缔合萃取动力学中的界面现象”。
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