An enzyme-linked immunosorbent assay for detection of linear alkylbenzene sulfonate: development and field study

Article Abstract:

An accurate immunoassay system for the quantitative analyis of linear alkylbenzene sulfonates (LAS) which enables the detection of LAS at concentrations between 20 ppb to 500 ppb, was developed by generating hybridoma cells from fusing mouse myeloma cells and spleen cells immunized with sulfophenyl-5-valeric acid that was coupled with bovine serum albumin. The immunoassay was found to be at par with other LAS analysis methods such as the high performance liquid chromatography and methylene blue active substances methods.

Waste Management and Remediation Services, Water Pollution, Testing, Design and construction, Immunoassay

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Photoassisted degradation of dye pollutants. 3. degradation of the cationic dye rhodamine B in aqueous anionic surfactant/TiO2 dispersions under visible light irradiation: evidence for the need of substrate adsorption on TiO2 particles

Article Abstract:

Titanium dioxide photoassisted degradation of the cationic dye rhodamine B (RhB) is found to be faster in the presence of sodium dodocylbenzenesulfonate (DBS) than in pH independent processes in TiO2 dispersions containing no DBS. The degradation process was examined in aqueous dispersions under visible light irradiation at wavelengths longer than 470nm and the process is described as electron injection sensitization of TiO2.

Research and Development in the Physical, Engineering, and Life Sciences, Ecological Sciences, Anionic Surfactants, Usage, Equipment and supplies, Bioremediation, Environmental sciences, Sodium compounds

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European ban on use of surfactant alarms U.S. producers

Article Abstract:

U.S. chemical producers criticized a recommendation from the European Union for the ban of surfactant nonylphenol ethoxylate on several products.

United Kingdom, Government regulation, Brief Article, European Union, Soap and cleaning agents industry, Cleaning agents industry, Environmental policy

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