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RATL: A Database of Reptile and Amphibian Toxicology Literature

RATL: A Database of Reptile and Amphibian Toxicology Literature

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Contaminant a Contaminant<br />

b<br />

Concentration<br />

b<br />

LC50<br />

acetaminophen decreased<br />

3.9<br />

EC50 b<br />

decreased<br />

7.1<br />

TI d<br />

Table 5 - FETAX Studies - 2<br />

MCIG d<br />

NOEL d<br />

LOEL d<br />

Effects/Notes de<br />

Results indicate that a highly reactive<br />

intermediate formed as the result <strong>of</strong><br />

MFO-mediated metabolism (possibly P-<br />

448) significantly increased the<br />

developmental toxicity <strong>of</strong><br />

acetaminophen.<br />

Reference k<br />

Fort et al. 1992<br />

acetone 1.92 -<br />

2.49<br />

1.06 - 1.4 1.6 - 1.83 1.0 - 1.8 Results from 3 trials. Rayburn et al. 1991b<br />

acetone 0.9-1.0% v/v 0.9% v/v Acetone increased the mortality for both<br />

teratogens, but only increased the<br />

methylmercury chloride malformation<br />

greater than the additive effects. There<br />

were additive effects for growth for all<br />

solvents with the teratogens. EC25(96) =<br />

1.0%v/v.<br />

Rayburn et al. 1991a<br />

acridine 3.6<br />

(LC48=10<br />

midblastula<br />

embryo:<br />

Abnormalities included exogastrulation,<br />

edema, formation <strong>of</strong> blisters.<br />

Davis et al. 1981<br />

.9; 48h = 65;<br />

LC72=8.7 72h = 26;<br />

mg/L 96h = 24<br />

k<br />

acridine 5.0 mg/L Max conc. in larvae = 85 ppm; ND after<br />

2 h.<br />

Davis et al. 1981 k<br />

actinomycin D 18.9 21.7<br />

15.9<br />

EC50 (96 h) for swimming ability = 17.6 Courchesne <strong>and</strong> Bantle 1985<br />

(13.8- (18.8-<br />

mg/L<br />

(0.08-38.0) mg/L. EC50 (96 h) for<br />

26.1)mg/L 25.1)mg/L<br />

pigmentation = 21.8 (16.8-28.1) mg/L.<br />

Min conc. to inhibit development = 15.9<br />

mg/L.<br />

AH (acetylhydrazide) decreased increased decreased<br />

Fluctuations with contaminant-induced Fort <strong>and</strong> Bantle 1990a<br />

7.9 fold 2.0 fold 15.87<br />

fold<br />

metabolic activation.<br />

AH (acetylhydrazide) 1.0-50.0 mg/L Embryo stage 46-54; abnormal hind limb<br />

development >25.0mg/L.<br />

Fort <strong>and</strong> Stover 1997<br />

alcohol All aceylenic alcohols tested produced<br />

linear conc.-response relationships for<br />

embryolethality, embryo malformation<br />

<strong>and</strong> 5 d old tadpole lethality. Primary<br />

propargylic alcohols were teratogenic,<br />

producing head, eye, gut, <strong>and</strong> skeletal<br />

malformations in larvae/tadpole.<br />

Dawson et al. 1990<br />

alpha-chaconine 2.03 ±<br />

Alpha-chaconine increased dye Blankemeyer et al. 1992<br />

0.005<br />

mg/L.<br />

fluoresence up to 1600% <strong>of</strong> control.

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