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The concentration and distribution characteristics of 27 antibiotics, including 8 sulfonamides, 9 quinolones, 4 tetracyclines, 4 macrolides and 2 nitroimidazoles, in surface water, groundwater and wastewater of Jinjiang River basin in Jiangxi Province were determined by solid-phase extraction combined with ultra-performance liquid chromatography-tandem triple quadrupole mass spectrometry. The results showed that there was antibiotic pollution in the waters of the Jinjiang River basin. A total of 20 antibiotics were detected in the surface water with a concentration range of 32.3–280 ng·L−1. 15 kinds of antibiotics were detected in groundwater, and the concentration range was 28.4–55.8 ng·L−1. 21 kinds of antibiotics were detected in the wastewater, and the concentration range was 231–8.71 × 104 ng·L−1. The ecological risk assessment results show that there are 9 medium and high risk antibiotics, which are clarithromycin, erythromycin, ciprofloxacin, sulfathiazole, roxithromycin, tetracycline, ofloxacin, enrofloxacin, and sulfamethoxazole, the rest are low-risk or no-risk.

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Antibiotic Pollution Characteristics and Ecological Risk Assessment of Water Bodies in Jinjiang River Basin, Jiangxi Province, Southeast of China

  • 会议论文

  • 发表日期：

    2025年

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  • Jiale Li,
  • Zhanxue Sun,
  • Yajie Liu,
  • Yihui Dong,
  • Zebing Li,
  • Meng Wang,
  • Yibo Ao,
  • Hirok Chaudhuri,
  • Evgeniya Soldatova

摘要

The concentration and distribution characteristics of 27 antibiotics, including 8 sulfonamides, 9 quinolones, 4 tetracyclines, 4 macrolides and 2 nitroimidazoles, in surface water, groundwater and wastewater of Jinjiang River basin in Jiangxi Province were determined by solid-phase extraction combined with ultra-performance liquid chromatography-tandem triple quadrupole mass spectrometry. The results showed that there was antibiotic pollution in the waters of the Jinjiang River basin. A total of 20 antibiotics were detected in the surface water with a concentration range of 32.3–280 ng·L−1. 15 kinds of antibiotics were detected in groundwater, and the concentration range was 28.4–55.8 ng·L−1. 21 kinds of antibiotics were detected in the wastewater, and the concentration range was 231–8.71 × 104 ng·L−1. The ecological risk assessment results show that there are 9 medium and high risk antibiotics, which are clarithromycin, erythromycin, ciprofloxacin, sulfathiazole, roxithromycin, tetracycline, ofloxacin, enrofloxacin, and sulfamethoxazole, the rest are low-risk or no-risk.