Background: Chlorophenols are classified as priority toxic pollutants. These acidic organic compounds present a serious potential hazard for human health and aquatic life. Chlorophenols accumulate in water, soil and air due to high stability, and impart an unpleasant taste and odor to drinking water and can exert negative effects on different biological processes. Among the different methods of...

The authors examined cancer mortality in a historical cohort study of 21,863 male and female workers in 36 cohorts exposed to phenoxy herbicides, chlorophenols, and dioxins in 12 countries. Subjects in this updated and expanded multinational study coordinated by the International Agency for Research on Cancer were followed from 1939 to 1992. Exposure was reconstructed using job records, company...

Soil is an inexhaustible source of microorganisms significant interest to biotechnology. Bacteria are able control the growth pathogenic microflora, stimulate plant growth, and decompose pollutants varying degrees toxicity. make a contribution cycle substances. The aim this work was isolate aerobic from soil samples two types - forest, without technogenic history, agro-industrial, evaluate thei...

The Microtox toxicity and Oxygen Uptake Rate (OUR) inhibition tests were conducted to monitor the variation of toxicity during ozonation of 2-chlorophenol (2-CP), 3-chlorophenol (3-CP) and 4-chlorophenol (4-CP) under neutral conditions. The results revealed that the oxidized 2-CP solution exhibited new toxicity to pure bacteria and mixed microorganisms in the early stage of ozonation. The large...

Abstract A sweeping micellar electrokinetic chromatography (sweeping-MEKC) enrichment model was established for the determination of three chlorophenols (CPs) in cosmetics, namely, bithionol, pentachlorophenol (PCP), and 2,4,6-trichlorophenol (2,4,6-TCP). The optimum electrophoretic conditions were 20 mM NaH 2 PO 4 -80 sodium dodecyl sulfate (SDS) 30% (v/v) acetonitrile (pH 2.3). on-line concen...

Pollution of the aquatic environment by halogen derivatives widely used as antiseptic compounds, well chemicals for various industrial purposes, is significant. Existing systems bioremediation poorly solve problem eliminating pollution. This paper discusses preparation novel macroporous chitosan-based cryogels with in situ-immobilized Pd or Pt nanoparticles a catalyst dichlorination reactions. ...