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Browsing by Author Kwan, Charita

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  • Ubiquitous occurrence of sulfonamides in tropical Asian waters

    • Authors: Shimizu, Akiko; Takada, Hideshige; Koike, Tatsuya; Takeshita, Ayako; Saha, Mahua; Rinawati; Nakada, Norihide; Murata, Ayako; Suzuki, Tokuma; Suzuki, Satoru; Nguyen, H. Chiem; Bui, Cach Tuyen; Pham, Hung Viet; Siringan, Maria Auxilia; Kwan, Charita; Zakaria, Mohamad P.; Reungsang, Alissara (2013)

  • Seven sulfonamides, trimethoprim, five macrolides, lincomycin and three tetracyclines were measured in 150 water samples of sewage, livestock and aquaculture wastewater, and river and coastal waters, in five tropical Asian countries. The sum of the concentrations of the target antibiotics in sewage and heavily sewage-impacted waters were at sub- to low-ppb levels. The most abundant antibiotic was sulfamethoxazole (SMX), followed by lincomycin and sulfathiazole. The average concentration of SMX in sewage or heavily sewage-impacted waters was 1720 ng/L in Vietnam (Hanoi, Ho Chi Minh, Can Tho; n=15), 802 ng/L in the Philippines (Manila; n=4), 538 ng/L in India (Kolkata; n=4), 282 ng/L in...

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Browsing by Author Kwan, Charita

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 1 of 1
  • 1736.pdf.jpg
  • Article

  • Ubiquitous occurrence of sulfonamides in tropical Asian waters

    • Authors: Shimizu, Akiko; Takada, Hideshige; Koike, Tatsuya; Takeshita, Ayako; Saha, Mahua; Rinawati; Nakada, Norihide; Murata, Ayako; Suzuki, Tokuma; Suzuki, Satoru; Nguyen, H. Chiem; Bui, Cach Tuyen; Pham, Hung Viet; Siringan, Maria Auxilia; Kwan, Charita; Zakaria, Mohamad P.; Reungsang, Alissara (2013)

  • Seven sulfonamides, trimethoprim, five macrolides, lincomycin and three tetracyclines were measured in 150 water samples of sewage, livestock and aquaculture wastewater, and river and coastal waters, in five tropical Asian countries. The sum of the concentrations of the target antibiotics in sewage and heavily sewage-impacted waters were at sub- to low-ppb levels. The most abundant antibiotic was sulfamethoxazole (SMX), followed by lincomycin and sulfathiazole. The average concentration of SMX in sewage or heavily sewage-impacted waters was 1720 ng/L in Vietnam (Hanoi, Ho Chi Minh, Can Tho; n=15), 802 ng/L in the Philippines (Manila; n=4), 538 ng/L in India (Kolkata; n=4), 282 ng/L in...