Results 201 to 210 of about 12,029 (266)

Treatment failure of over-the-counter pediculicide shampoos in Thai schoolgirls: Evidence of insecticide resistance. [PDF]

Parasitol Res
Thanchomnang T, Krittanan P, Yangthaworn K, Yingklang M.   +3 more
europepmc   +1 more source

Growth Modeling of a γ-Hexachlorocyclohexane-degrading Microbial Consortium Based on Chloride Release Kinetics

Aisami Abubakar, Hafeez Muhammad Yakasai, Noor Hafizah Mohd Pushiri   +2 more
openalex   +2 more sources

Assessing dermal exposure to organochlorine pesticides in different populations of a prototypical agricultural city in South China. [PDF]

Sci Rep
Guo J, Luo X, Zeng Y, Mai B.
europepmc   +1 more source

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Occupational exposure to hexachlorocyclohexane

International Archives of Occupational and Environmental Health, 1983
Metabolism of gamma-Hexachlorocyclohexane (HCH) was studied examining 21 workers producing this insecticide. Using gas chromatography in combination with ECD and mass spectrometry 14 mono-, di-, tri- and tetrachlorophenols were identified in the urine samples of the workers.
J, Angerer, R, Maass, R, Heinrich
openaire   +2 more sources

Hexachlorocyclohexanes in human blood serum

Journal of Chromatography A, 1997
A simplified method allowing the determination of trace concentrations (ng/ml) of hexachlorocyclohexanes in human sera suitable for the analysis of large numbers of samples has been developed. Comparison of acid (conc. H2SO4,) and basic (5 M KOH) digestion has shown that good recoveries are obtained with the former when an internal standard, 1,2,4,5 ...
R, Otero, M, Santiago-Silva, J O, Grimalt   +2 more
openaire   +2 more sources

Hexachlorocyclohexane: persistence, toxicity and decontamination

Reviews on Environmental Health, 2014
Abstract Hexachlorocyclohexane (HCH), a persistent organochlorine insecticide, has been extensively used in the past for control of agricultural pests and vector borne diseases. The use of HCH has indeed accrued benefits, however the unusual production of the insecticidal isomer; γ-HCH (lindane) and unregulated disposal of HCH muck has ...
Namita, Nayyar, Naseer, Sangwan, Puneet, Kohli, Helianthous, Verma, Roshan, Kumar, Vivek, Negi, Phoebe, Oldach, Nitish Kumar, Mahato, Vipin, Gupta, Rup, Lal   +9 more
openaire   +2 more sources

Hexachlorocyclohexanes in the North American Atmosphere

Environmental Science & Technology, 2004
Annually integrated air concentrations of alpha- and gamma-hexachlorocyclohexane (HCH) were determined in 2000/2001 at 40 stations across North America using XAD-based passive air samplers to understand atmospheric distribution processes on a continental scale.
Li, Shen, Frank, Wania, Ying D, Lei, Camilla, Teixeira, Derek C G, Muir, Terry F, Bidleman   +5 more
openaire   +2 more sources