Results 11 to 20 of about 15,678,062 (402)

The ECOTOXicology Knowledgebase: A Curated Database of Ecologically Relevant Toxicity Tests to Support Environmental Research and Risk Assessment. [PDF]

open access: yesEnviron Toxicol Chem, 2022
The need for assembled existing and new toxicity data has accelerated as the amount of chemicals introduced into commerce continues to grow and regulatory mandates require safety assessments for a greater number of chemicals.
Olker JH   +10 more
europepmc   +2 more sources

Microbiological toxicity tests using standardized ISO/OECD methods-current state and outlook. [PDF]

open access: yesAppl Microbiol Biotechnol
Microbial toxicity tests play an important role in various scientific and technical fields including the risk assessment of chemical compounds in the environment.
Strotmann U   +6 more
europepmc   +2 more sources

Sediment Toxicity Tests: A Critical Review of Their use in Environmental Regulations. [PDF]

open access: yesEnviron Toxicol Chem
Sediments are an integral component of aquatic systems, linking multiple water uses, functions, and services. Contamination of sediments by chemicals is a worldwide problem, with many jurisdictions trying to prevent future pollution (prospective) and ...
Leppanen MT   +5 more
europepmc   +2 more sources

Key Opportunities to Replace, Reduce, and Refine Regulatory Fish Acute Toxicity Tests. [PDF]

open access: yesEnviron Toxicol Chem, 2020
Fish acute toxicity tests are conducted as part of regulatory hazard identification and risk‐assessment packages for industrial chemicals and plant protection products. The aim of these tests is to determine the concentration which would be lethal to 50%
Burden N   +14 more
europepmc   +2 more sources

Sensitivity of bacterial vs. acute Daphnia magna toxicity tests to metals

open access: yesOpen Life Sciences, 2009
The objectives of this study were to evaluate the sensitivity of two bacterial tests commonly used in metal toxicity screening — the Vibrio fischeri bioluminescence inhibition test and the Pseudomonas putida growth inhibition test — in comparison to the ...
Teodorovic Ivana   +4 more
doaj   +2 more sources

Bioassays with terrestrial and aquatic species as monitoring tools of hydrocarbon degradation [PDF]

open access: yes, 2016
In this study chemical analyses and ecotoxicity tests were applied for the assessment of a heavily hydrocarbon-contaminated soil prior and after the application of a remediation procedure that consisted in the stimulation of soil autochthonous ...
Bori Dols, Jaume   +3 more
core   +2 more sources

Hydrocarbon Removal by Two Differently Developed Microbial Inoculants and Comparing Their Actions with Biostimulation Treatment

open access: yesMolecules, 2020
Bioremediation of soils polluted with petroleum compounds is a widely accepted environmental technology. We compared the effects of biostimulation and bioaugmentation of soil historically contaminated with aliphatic and polycyclic aromatic hydrocarbons ...
Joanna Brzeszcz   +3 more
doaj   +1 more source

The Response of Phagocytes to Indoor Air Toxicity

open access: yesFrontiers in Immunology, 2017
This perspective presents a viewpoint on potential methods assessing toxicity of indoor air. Until recently, the major techniques to document moldy environment have been microbial isolation using conventional culture techniques for fungi and bacteria as ...
Liisa K. Vilén   +2 more
doaj   +1 more source

TOXICITY OF PREDNISOLONE, DEXAMETHASONE AND THEIR PHOTOCHEMICAL DERIVATIVES ON AQUATIC ORGANISMS [PDF]

open access: yes, 2004
Light exposure of aqueous suspensions of prednisolone and dexamethasone causes their partial phototransformation. The photoproducts, isolated by chromatographic techniques, have been identified by spectroscopic means.
DELLA GRECA, MARINA   +6 more
core   +1 more source

Aquatic Effects of a Localized Oil Spill on Lake Conway, AR and Its Tributaries [PDF]

open access: yes, 2015
Oil spills, no matter where they occur, elicit environmental concern and avoiding these disasters should be a priority. Old pipelines that are not regularly maintained and carry large amounts of crude oil long distances are of particular concern.
Bouldin, J. L., Kennon, M. E.
core   +3 more sources

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