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The main objective of this study was to evaluate the capability of 120 aromatic chemicals...
The relative toxicity of 32 methyl- and/or chloro-substituted anilines was assessed in the 48-h sublethal,...
The relative biological response (log BR) for each of 30 select substituted phenols and anilines...
The role of neutrophils in the development of peracute lung lesions of bovine pneumonic pasteurellosis...
The toxic and osteolathyrogenic effects of 15 chemicals reflecting modifications of semicarbazide [H2N-N(H)-C(=O)-NH2] were evaluated...
The relative toxicity of 20 ortho-, meta-, and para-position monoalkylated or monohalogenated benzyl alcohols has...
We compared the toxic response of chlorophenols from 10 different test systems. These systems used...
Principal components analysis was used in conjunction with linear regression analysis to examine the structure-activity...
The toxic and osteolathyrogenic effects of benzoyl hydrazine were evaluated using the Frog Embryo Teratogenesis...
Twenty-four nitrogen-containing aromatic molecules, mono- and dicyclic homologs from each of 12 different analog sets,...
The teratogenicity and embryotoxicity of the herbicide monosodium methanearsonate (MSMA) to early embryos of Xenopus...
Acute toxicity of 12 coal derived liquids representing 3 different technologies and 4 different severities...
Aqueous extracts of five fossil-energy-related comparative research materials have been examined under acute static conditions...
Experimental analyses were made to histochemically determine the composition of the goblet cell matrix material...
The asteroid Patiria miniata was used to develop a static bioassay for various crude oil...
The untreated sour water from a coal-gasification process has been examined for toxic and teratogenic...
The untreated scrubber water from the Char Oil Energy Development coal liquefaction process was examined...
The external surface of the ephippium of Daphnia pulex bears numerous, randomly distributed pits which...
Zero to 24 hour old specimens of Daphnia were exposed to 10 ppm 3-amino-1,2,4-triazole at...
The hepatopancreatic caeca of the freshwater amphipod Gummarus minus are four tapered blind pouches lined...
Lirceus garmani illustrates the typical malacostracan arrangement of oral appendages. The mandibles, first maxillae, and...
The fresh-water isopod Lirceus fontinalis has a straight tubular digestive tract which for convenience is...
The concept of multiple modes of toxic action denotes that an individual chemical can induce...
A diverse set of 60 haloaliphatic compounds were evaluated for reactivity with cysteine thiol groups...
BACKGROUND: Eliminating animal testing for skin sensitization is a significant challenge in consumer safety risk...
Saccharomyces cerevisiae bioluminescent bioreporter assays were developed previously to assess a chemical's estrogenic or androgenic...
Hazard assessments of chemicals have been limited by the availability of test data and the...
This study presents an analysis of the ability of a two-parameter response surface, a multiple...
This is the 64th Report of a series of workshops organised by the European Centre...
The aim of this work was to develop a high-quality 1-octanol/water partition coefficient-dependent (log P)...
Read across is a powerful tool to predict toxicity from structure: It relies on "obvious"...
This study was undertaken to test the hypothesis that structurally similar PAHs induce similar gene...
Toxicity assessments for organic chemical mixtures are often described as being approximately additive. Recent mixture...
A Saccharomyces cerevisiae strain, capable of autonomous bioluminescence, was engineered to respond to androgenic chemicals....
A diverse series of aliphatic alpha,beta-unsaturated esters, ketones, and aldehydes were evaluated for reactivity with...
An approach for predicting acute aquatic toxicity, in the form of a quantitative structure-activity-activity relationship...
Using abiotic thiol reactivity (EC50) and Tetrahymena pyriformis toxicity (IGC50) data for a group of...
Frequently the toxicity of an organic chemical mixture is close to dose-additive, even when the...
A diverse series of polarized alpha,beta-unsaturated and related compounds were evaluated for reactivity with a...
Although the literature is replete with QSAR models developed for many toxic effects caused by...
The toxicity of 30 binary combinations of 10 soft electrophiles was examined in Microtox using...
A diverse series of amides were evaluated for aquatic toxicity (IGC(50)) assessed in the Tetrahymena...
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Depleted uranium (DU) is a by-product of the uranium enrichment process and shares chemical properties...
The development of non-animal methods to predict the potential of chemicals to cause skin sensitization...
Using flow cytometry, select polycyclic aromatic hydrocarbons (PAHs) were evaluated for induction of apoptosis in...
For toxicological-based structure-activity relationships to advance, will require a better understanding of molecular reactivity. A...
This paper presents a mechanistic analysis of aquatic toxicity data, quantified as pIGC(50) assessed in...
Toxicity data for 82 aliphatic chemicals with an alpha,beta-unsaturated substructure were compiled. Toxicity was assessed...
The aim of the study was to develop quantitative structure-activity relationships (QSARs) for a large...
Toxicity (1/IGC(50)) in the Tetrahymena population growth assay and reactivity (1/EC(50)) with the thiol moiety...
An estrogen-inducible bacterial lux-based bioluminescent reporter was developed in Saccharomyces cerevisiae for applications in chemical...
Using toxicity data for 30 aliphatic polarized alpha,beta-unsaturated derivatives of esters, aldehydes, and ketones, a...
The present study proposes a generic interspecies quantitative structure-activity relationship (QSAR) model that can be...
The toxicity of a series of 120 aliphatic alcohols was evaluated using the Tetrahymena pyriformis...
Validation of a quantitative structure-activity relationship (QSAR) is now considered as an integral part of...
Suspected estrogen modulators include industrial organic chemicals (i.e., xenoestrogens), and have been shown to consist...
Numerous quantitative structure-activity relationships (QSARs) have been developed to predict properties, fate, and effects of...
The use of quantitative structure-activity relationships (QSARs) in assessing potential toxic effects of organic chemicals...
The aim of this study was to evaluate a multivariate statistical model, utilising Partial Least...
The most successful quantitative structure-activity relationships have been developed by separating compounds by their mechanisms...
Quantitative structure-activity relationships (QSAR) developed and applied in the prediction of ecotoxic potencies far out...
The aim of this investigation was to develop a strategy for the formulation of a...
Quantitative structure-activity relationships (QSARs) were developed for three sets of toxicity data. Chemicals in each...
Quantitative structure-activity relationships (QSARs) for the toxicity of 200 phenols to the ciliated protozoan Tetrahymena...
Quantitative structure-activity relationships were developed for the toxicity data of 500 aliphatic chemicals tested in...
The estrogenic activities of 17beta-estradiol, biphenyl, chlorinated biphenyls, and Aroclor mixtures 1221, 1242, and 1248...
The toxicity data of chemicals common to both the Poecilia reticulata mortality assay and the...
Estrogenicity was assessed using the Saccharomyces cerevisiae-based Lac-Z reporter assay and was reported as the...
The most successful quantitative structure-activity relationships (QSARs) have been developed by separating toxicants by their...
We present the results of an investigation into the use of a probabilistic neural network...
The response-surface approach to QSARs attempts to model toxic potency of diverse groups of chemicals...
Structure-activity relationships for oestrogenicity were developed based on 120 aromatic chemicals evaluated in the Saccharomyces...
This study describes effects of exposure of the freshwater ciliate Tetrahymena pyriformis to the "classic"...
The aim of this study was to develop a simple quantitative structure-activity relationship (QSAR) for...
The aim of this study was to determine which descriptor best parametrized the electrophilicity of...
The purpose of this study was to develop quantitative structure-activity relationships (QSARs) for the toxicity...
Toxicity data collected in a laboratory setting are the primary source of potency information used...
In the summary/recommendations for the Ecotoxicology Session of TestSmart--A Humane and Efficient Approach to Screening...
The capacity of the naphthalene degrading enzyme (NAH) system of Pseudomonas fluorescens 5R and a...
A selection of mechanistically diverse substituted pyridines were tested in the Tetrahymena pyriformis population growth...
A series of 37 aliphatic and aromatic sulfur-containing compounds were evaluated in 2-day Tetrahymena pyriformis...
The toxicity of a series of 21 mono- and dihalogenated aliphatic monoesters has been evaluated...
The results of an investigation into the use of a probabilistic neural network (PNN)-based methodology...
Prediction of the effects of industrial chemicals to humans will be an area of increasing...
QSARs based upon the logarithm of the octanol-water partition coefficient, log P, and energy of...
Toxicity data for 200 substituted benzenes tested in the two-day Tetrahymena pyriformis population growth impairment...
Previous work has indicated that the ubiquitous freshwater ciliate Tetrahymena pyriformis acclimates to the presence...
Bacteria are useful organisms for measuring acute and chronic toxicity. The most popular toxicity tests...
A response-plane has been developed with Tetrahymena pyriformis population growth impairment toxicity data [log 1/50%...
Toxicity data for the 50% growth inhibitory concentration against Tetrahymena pyriformis (log (IGC50-1)) for 42...
The toxicity data of 256 chemicals tested in both the 96-h Pimephales promelas mortality assay...
The relative toxicity (log IGC50(-1)) of 49 selected aliphatic amines and aminoalkanols was evaluated in...
Quantitative structure-activity relationships (QSARs) have been developed with the logarithm of the inverse of 15-min...
This study describes effects of selected nonpolar narcotics of varying hydrophobicity (quantified by the 1-octanol-water...
Quantitative structure-activity relationships (QSARs) have been utilized to validate toxicity data to Vibrio fisheri (the...
The aim of this project was to develop a standardized multigeneration growth inhibition test protocol...
The growth kinetics of preexposed and naive Tetrahymena pyriformis grown in the presence of one...
Structure-activity models for toxicity and biodegradability of groups of m-anilines and p-phenols were developed and...
Quantitative structure-activity relationships are developed for the toxicity of 166 varied phenol derivatives to the...
Premised on relatively simple assumptions, mathematical models like those of Monod, Pirt or Droop inadequately...
The dynamics of a microbial community consisting of a eucaryotic ciliate Tetrahymena pyriformis and procaryotic...
The previously described pseudo-equilibrium model for kinetics of distribution of extraneous chemicals in biological systems...
The ciliotoxic potential of the organophosphorous insecticides Dursban and Lorsban, their active ingredient, chlorpyrifos, and...
Toxicity values (log IGC50(-1)) for 60 phenols tested in the 2-d static population growth inhibition...
The developmental toxicity for each of 45 carboxylic acids was determined for Xenopus embryos. Acids...
The conventional quantitative-structure-activity relationship (QSAR) provides only a single three-dimensional (3D) model for a given...
The effects of the fungicide benomyl and its breakdown products, carbendazim and butyl isocyanate, were...
Quantitative structure-activity relationships, based on hydrophobicity measured as the 1-octanol/water partition coefficient (Kow), have been...
The acute toxicity of aliphatic and aromatic mono and diesters in two eucaryotic organisms was...
The toxicities of 34 benzonitriles to Tetrahymena pyriformis have been measured. Structure-activity relationships indicate that...
The relative toxicity (log IGC-1(50)) of 54 selected alkanones, both aliphatic and aromatic, as well...
Comparisons of toxicities elicited by nonpolar and polar narcotics, weak acid uncouplers of oxidative phosphorylation,...
Pentachlorophenol (PCP) is a widespread contaminate of soils and ground water throughout North America. Earlier...
Previous work showed that treatment of irradiated mice with a thrombocytopoiesis-stimulating factor (TSF or thrombopoietin)...
The relative toxicity of selected aryl and/or alkyl alcohols was evaluated in the batch culture...
The relative toxicity of selected industrial organic chemicals was secured from the literature for the...
Eighty 2-, 3-, and 4-position monosubstituted phenols representing various substituents were evaluated for relative toxicity,...
Lung development was studied in late prenatal, 1-, 7-, 14-, and 21-days postnatal and adult...
The relative toxicities (log IGC50(-1] of a fairly heterogeneous series of 66 anilines that were...
The relative toxicity of 24 selected amines was evaluated in the 48 h Tetrahymena pyriformis...
The relative toxicity of 14 normal aliphatic alcohols has been determined as 48-hr 50% population...
Eight substituted thiosemicarbazides were assayed for their toxicity and teratogenicity using early embryos of Xenopus...
A series of 8 alkyl-substituted acid hydrazides were assayed for their toxicity and teratogenicity using...
Phenols elicit a toxic response by one of two mechanisms: polar narcosis or uncoupling of...
The quantitative structure-activity relationships between toxicity (log BR), monitored as cell population growth, and two...
Twenty 2- and 3-position derivatives of pyridine (C5H5N) were tested following a short-term static protocol....
The relative toxic response of 27 selected phenols in the 96-hr acute flowthrough Pimephales promelas...
The distribution of leukocytes in bovine bronchoalveolar lavage fluids was determined in 15 calves at...
Twenty-nine compounds, including amino and nitro derivatives of aromatic hydrocarbons as well as azaarenes and...
Twenty-two four-position derivatives of pyridine (C5H5N) were tested following an acute static regime with biological...
The osteolathyrogenic agent semicarbazide was assayed for its toxicity and teratogenicity using early embryos of...
The structure-activity relationships between toxicity (log BR), monitored as cell population growth, and the log...
The ability of the bovine pulmonary macrophage (PM) to phagocytize Pasteurella haemolytica in its logarithmic...
Dimethyl sulfoxide slurries of a coal gasifier electrostatic precipitator tar and its chemical class fractions...
Aqueous extracts of tar from a coal gasification electrostatic precipitator were tested for its toxic...
Evaluations of the toxic and teratogenic effects of four aromatic amines, acridine, aniline, pyridine, and...
A series of eleven nitrogen-containing heterocyclic compounds, which may be potentially associated with aqueous effluents...
Selenium is an important essential nutritional trace element which has been shown to provide protection...
Shale oil retort water is obtained by centrifuging the oil/water emulsion produced by oil shale...
Phenol is the major organic constituent of coal-conversion scrub water and is therfore a potential...
The alimentary canal of Daphnia pulex consists of a tube-shaped foregut, a midgut (mesenteron) with...