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Toxicity Analysis Articles & Analysis
76 articles found
TLC is widely employed in the qualitative analysis of organic compounds and is often used to identify compounds from crude extracts or impure mixtures. ...
Powered by DNA sequencing advances, results indicate that reducing nutrients alone may not be enough to prevent these toxic masses. According to some scientists, ecological factors and slowing pollution must also be considered. ...
The aim of the project is to develop and commercialise the IRON high performance handheld device for gas measurements. Achieving laboratory grade performance for sub-parts per billion (ppb) gas detection is possible through the use of proprietary mid-infrared laser spectroscopy combined with novel patented photoacoustic technology. The transitioning of its technology from fixed mount analysers to ...
Learn how ViridisChem’s Chemical Analyzer can evaluate the toxicity of raw materials during product development and product optimization to find less toxic reagants. ...
The wastewaters were classified as toxic (two samples), very toxic (two samples) and extremely toxic (one sample). ...
Abstract : The toxicity and chemical quality of 12 mechanically-biologically treated residual wastes were studied during different treatment periods. Acute and chronic bioassays were carried out with a battery of test organisms. The acute toxicity was assessed using Daphnia magna (crustacea) and Vibrio fischeri (luminescent bacteria). The chronic toxicity was tested with Selenastrum capricornutum ...
These additional bioassays generally confirmed the toxicity detected by the bacterial test, at least qualitatively. This battery of tests has also been used to characterise the toxicity of effluents upstream of toxic points, and to identify the assays appropriate for studying the toxic plume. ...
A battery of biotests was applied to study the toxicity of environmental wastewaters and their synthetic phenolic analogues. ...
Abstract :Chemical analyses and toxicity test results for atmospheric wet and dry deposition from 5 sampling sites in Greece are presented in this study. In most of the samples examined, the heavy metals content of the filtered water samples was relatively low. There was quite a high concentration of amorphous sulphur and carbon in the solid particles of the deposition. Beta radiation level was ...
Abstract : Management of toxic chemicals in the aquatic environment is performed in Japan by setting environmental standards by law. ...
Abstract In this paper the importance of reagent water quality for toxic element environmental analyses is discussed, and the suitability of fresh ultrapure water produced using Merck water purification systems for ICP-OES and ICP-MS trace element analyses in environmental laboratories is demonstrated. Key words or phrases Trace elements, metals, toxic elements, ICP-MS, ICP-OES, contamination, ...
Name: Elizabeth Thomas Job title: CEO Company name: Alderley Analytical Location: UK Alderley Analytical aim to support those companies who aren’t able to perform their research in-house, by offering tailored bioanalytical solutions, specialising in assay development and validation, sample analysis, toxic kinetic/pharmacokinetic interpretation as well ...
The report provides a comprehensive analysis of recent Toxic Substances Control Act (TSCA) developments written by many of the key players in the development, passage, and implementation of the Frank R. ...
Daphnia magna acute toxicity assay, comet assay, cytokinesis-block micronucleus and E-screen assay were performed to assess whether the effluent reaching the main parameters of Chinese Discharge Standard (GB 16889-2008) still had toxic residues. ...
Dangerous levels of toxic gases in freight containers represent a major threat to port and transport workers, customs officials, warehousemen, store employees and consumers. ...
Biofilm formation on the membrane surface was evaluated through observation by field-emission scanning electron microscope (FESEM) as well as the acute toxicity (as EC50) of the bacterial growth media. Moreover, extracellular polymeric substance (EPS) production for each strain under different MTBE concentrations was measured. ...
Sally Hannam and her team specialize in assay development and validation, sample analysis, toxic kinetic/pharmacokinetic interpretation as well as reporting and consulting on analyses for the full end to end drug development process. We asked Sally about her use of Peak Scientific gas generators and her experience of using them in her lab: Typically, what is ...
Fenton process was applied to reduce the organic charge and toxic properties of the model effluents. The efficiency of the decontamination has been investigated using a chemical as well as a toxicological approach. The potential reduction of the effluents' toxicity after Fenton treatment was evaluated by assessing (i) Vibrio fischeri luminescence inhibition, (ii) ...
The Clinch River in Virginia and Tennessee, USA, is well known for its diverse native freshwater mussel assemblages; however, notable declines in mussel populations in recent decades have prompted much concern and subsequent research. The authors examined the toxicity of recently‐deposited sediments on juveniles of the freshwater mussel Epioblasma brevidens, by collecting time‐integrated ...
Traditional duckweed toxicity tests only measure plant growth inhibition as an endpoint, with limited effects‐based data. ...