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

Kód výsledku v 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>

Výsledek na webu

<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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Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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

Název v anglickém jazyce

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

Popis výsledku anglicky

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

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DJ - Znečištění a kontrola vody

OECD FORD obor

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Projekt

<a href="/cs/project/1M0554" target="_blank" >1M0554: Pokročilé sanační technologie a procesy</a><br>

Návaznosti

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

Rok uplatnění

2011

Kód důvěrnosti údajů

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

Název periodika

International Journal of Environmental Research

ISSN

1735-6865

e-ISSN

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Svazek periodika

5

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

IR - Íránská islámská republika

Počet stran výsledku

10

Strana od-do

989-998

Kód UT WoS článku

000295423100019

EID výsledku v databázi Scopus

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