Monoclonal antibody-based enzyme immunoassay for mercury(II) determination

Alexander Marx, Bertold Hock

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A monoclonal antibody (K3C6) was developed against Hg(II) and applied in different enzyme immunoassay (EIA) formats to determine the test system with the highest sensitivity. A detection limit of 1.0 μg/L Hg(II) could be achieved with a competitive format in contrast to a detection limit of 2.1 μg/L Hg(II) with a noncompetitive EIA. A competitive displacement EIA yielded the best detection limit of 0.4 μg/L Hg(II) and was well suited to measuring real samples. For this purpose different water samples were diluted at least 1:10 to avoid matrix effects and subsequently spiked with 1 μg/L HgCl2. Recovery of the spiked samples was between 80 and 120%.

Original languageEnglish
Pages (from-to)49-52
Number of pages4
JournalMethods
Volume22
Issue number1
DOIs
StatePublished - 2000

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