Empirical comparison of seven two-parameter sigmoid equations for the evaluation of the concentration-response curves from standard acute ecotoxicity assays

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44555601%3A13520%2F11%3A43879248" target="_blank" >RIV/44555601:13520/11:43879248 - isvavai.cz</a>

Result on the web

<a href="http://www.ijer.ir/?_action=articleInfo&article=456" target="_blank" >http://www.ijer.ir/?_action=articleInfo&article=456</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Empirical comparison of seven two-parameter sigmoid equations for the evaluation of the concentration-response curves from standard acute ecotoxicity assays

Original language description

The acute ecotoxicity of a set of mixture samples was assessed using four acute ecotoxicity assays with aquatic organisms (D. magna, P. reticulata, A. salina and D. subspicatus). The experimental concentration-response curves were fitted by seven two-parameter sigmoid equations. The regression performance of the equations was compared in three categories (overall fit, mid-range fit, and low-effect fit) using non-parametric statistics. The best fit was achieved by Weibüll, Bolztman, modified Gompertz andlog-Weibüll equations. The best low-effect fit was achieved by a modified Gompertz curve. Equations transforming concentrations to log c fitted significantly worse than those not transforming them. The obtained EC50 values calculated were comparable tothose calculated by the probit model. Results show that regardless of the knowledge of the susceptibility distribution or the toxic mechanisms these equations fit the data from acute ecotoxicity assays well and might be used for their eva

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DJ - Pollution and water control

OECD FORD branch

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Project

<a href="/en/project/1M0554" target="_blank" >1M0554: Advanced Remedial Technologies and Processes</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

International Journal of Environmental Research

ISSN

1735-6865

e-ISSN

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Volume of the periodical

5

Issue of the periodical within the volume

4

Country of publishing house

IR - IRAN, ISLAMIC REPUBLIC OF

Number of pages

10

Pages from-to

989-998

UT code for WoS article

000295423100019

EID of the result in the Scopus database

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