Direct Electrochemical Immunoassays Involving Adsorbed or Immobilised Species (original) (raw)

Contemporary Electroanalytical Chemistry, 1990

Abstract

Since the early 1970’s there has been much interest shown in the development of non-isotopic immunoassays. The main reasons for this stem from the perceived dangers of using radio-labelled substances (as required in radioimmunoassay), and the search for more selective, sensitive and precise methods of analysis. Much work has therefore been devoted to the development of fluorescent and enzyme-linked immunoassays, but it is only in recent years that there has been strong interest in the application of electrochemical techniques in this regard.1,2

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