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Photodegradation of imidacloprid and fipronil in rice-paddy water.
Bull Environ Contam Toxicol. 2011 May; 86(5):548-53.BE

Abstract

Photodegradation of insecticides, imidacloprid and fipronil, in rice-paddy water under the ambient temperature was investigated. The initial concentrations were set at 58.8 and 3.1 μg/L for imidacloprid and fipronil, respectively, according to their reported initial concentrations in the rice-paddy field. The half-lives (DT(50)) of imidacloprid and fipronil were 24.2 and 36.7 h, respectively. Fipronil desulfinyl was detected as a major metabolite and fipronil sulfone was found to be a minor metabolite of fipronil in the photodegradation process. Detected mass of fipronil, fipronil desulfinyl, and fipronil sulfone at 79 h were 12.9%, 45.8%, and 5.2% of initial fipronil mass, respectively.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Thuyet DQ
Tokyo University of Agriculture and Technology, 3-5-8 Saiwaicho, Fuchu, Tokyo 183-8509, Japan.
Watanabe H
No affiliation info available
Yamazaki K
No affiliation info available
Takagi K
No affiliation info available

MeSH

AgricultureEnvironmental MonitoringHalf-LifeImidazolesInsecticidesNeonicotinoidsNitro CompoundsOryzaPhotochemical ProcessesPyrazolesWater Pollutants, Chemical

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21424709

Citation

Thuyet, Dang Quoc, et al. "Photodegradation of Imidacloprid and Fipronil in Rice-paddy Water." Bulletin of Environmental Contamination and Toxicology, vol. 86, no. 5, 2011, pp. 548-53.
Thuyet DQ, Watanabe H, Yamazaki K, et al. Photodegradation of imidacloprid and fipronil in rice-paddy water. Bull Environ Contam Toxicol. 2011;86(5):548-53.
Thuyet, D. Q., Watanabe, H., Yamazaki, K., & Takagi, K. (2011). Photodegradation of imidacloprid and fipronil in rice-paddy water. Bulletin of Environmental Contamination and Toxicology, 86(5), 548-53. https://doi.org/10.1007/s00128-011-0243-x
Thuyet DQ, et al. Photodegradation of Imidacloprid and Fipronil in Rice-paddy Water. Bull Environ Contam Toxicol. 2011;86(5):548-53. PubMed PMID: 21424709.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Photodegradation of imidacloprid and fipronil in rice-paddy water. AU - Thuyet,Dang Quoc, AU - Watanabe,Hirozumi, AU - Yamazaki,Kenichi, AU - Takagi,Kazuhiro, Y1 - 2011/03/22/ PY - 2010/12/13/received PY - 2011/03/08/accepted PY - 2011/3/23/entrez PY - 2011/3/23/pubmed PY - 2011/6/29/medline SP - 548 EP - 53 JF - Bulletin of environmental contamination and toxicology JO - Bull Environ Contam Toxicol VL - 86 IS - 5 N2 - Photodegradation of insecticides, imidacloprid and fipronil, in rice-paddy water under the ambient temperature was investigated. The initial concentrations were set at 58.8 and 3.1 μg/L for imidacloprid and fipronil, respectively, according to their reported initial concentrations in the rice-paddy field. The half-lives (DT(50)) of imidacloprid and fipronil were 24.2 and 36.7 h, respectively. Fipronil desulfinyl was detected as a major metabolite and fipronil sulfone was found to be a minor metabolite of fipronil in the photodegradation process. Detected mass of fipronil, fipronil desulfinyl, and fipronil sulfone at 79 h were 12.9%, 45.8%, and 5.2% of initial fipronil mass, respectively. SN - 1432-0800 UR - https://www.unboundmedicine.com/medline/citation/21424709/Photodegradation_of_imidacloprid_and_fipronil_in_rice_paddy_water_ L2 - https://dx.doi.org/10.1007/s00128-011-0243-x DB - PRIME DP - Unbound Medicine ER -