Toxicokinetic-toxicodynamic modeling of quantal and graded sublethal endpoints: a brief discussion of concepts

R. Ashauer, A. Agatz, C. Albert, V. Ducrot, N.G. Galic, J. Hendriks, T. Jager, A. Kretschmann, I. O'Connor, M.N. Rubach, M. Nyman, W. Schmitt, J. Stadnicka, P.J. van den Brink

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63 Citations (Scopus)

Abstract

We report on the advantages and problems of using toxicokinetic-toxicodynamic (TKTD) models for the analysis, understanding, and simulation of sublethal effects. Only a few toxicodynamic approaches for sublethal effects are available. These differ in their effect mechanism and emphasis on linkages between endpoints. We discuss how the distinction between quantal and graded endpoints and the type of linkage between endpoints can guide model design and selection. Strengths and limitations of two main approaches and possible ways forward are outlined
Original languageEnglish
Pages (from-to)2519-2524
JournalEnvironmental Toxicology and Chemistry
Volume30
Issue number11
DOIs
Publication statusPublished - 2011

Keywords

  • time-varying concentrations
  • biology-based approach
  • gammarus-pulex
  • daphnia-magna
  • population-dynamics
  • organic-chemicals
  • mixture toxicity
  • pulsed exposure
  • binary-mixtures
  • hyalella-azteca

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