Dendritic Models of Redox Proteins: X-ray Photoelectron Spectroscopy and Cyclic Voltammetry Studies of Dendritic bis(Terpyridine) iron(II) Complexes
✍ Scribed by Prof. Dr. Hak-Fun Chow; Ida Y.-K. Chan; Dr. Dominic T. W. Chan; Prof. Dr. Raymund W. M. Kwok
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 828 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0947-6539
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✦ Synopsis
A series of iron-containing metallodendrimers from the zeroth to the third generation was synthesized and characterized. The iron@) ion of these metal complexes is encapsulated within a hydrophobic polyether dendritic envelope. X-ray photoelectron spectroscopy analysis revealed that the bonding environment of the iron atom was essentially the same in dendrimers of different gener-ations. However, cyclic voltammetry higher-generation dendrimers. These obstudies indicated that the reversibility of servations were similar to those of a relatthe metal redox process decreased in the ed electrochemical study conducted on the redox protein cytochrome C, in which the decrease in electron transfer reversibility was explained as a result of the increasing remoteness of the metal ion of the higher-generation dendrimers from the electrode surface.