ION-EXCHANGE PROPERTIES OF POLY(L-LYSINE) COATINGS ON PYROLYTIC-GRAPHITE ELECTRODES

被引：28

作者：

BIANCO, P

HALADJIAN, J

GIANNANDREADEROCLES, S

机构：

[1] Laboratoire de Chimie et Electrochimie des Complexes, Laboratoire de Chimie Bactérienne du C.N.R.S, Université de Provence, Marseille, 13331, Case 57, Place Victor-Hugo

来源：

ELECTROANALYSIS | 1994年 / 6卷 / 01期

关键词：

MODIFIED ELECTRODES; POLY(L-LYSINE); HEXACYANOFERRATE; FERREDOXIN; HYDROGENASE;

D O I：

10.1002/elan.1140060113

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Pyrolytic graphite electrodes are coated with films of poly(L-lysine) (PLL). The polyelectrolyte films bind multiply charged counterions. Cyclic voltammetry is used to investigate the incorporation of Fe(CN)(6)(3-) anions as a function of time, concentration, pH, and ionic strength. The stability of the film is studied after transfer of the PLL, coatings into an electrolyte solution. The PLL-modified pyrolytic graphite (PG) electrode proves to be very effective in facilitating electron transfers of negatively charged proteins, such as ferredoxin and hydrogenase.

引用

页码：67 / 74

页数：8

共 28 条

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