Inactivation and Regrowth of Antibiotic-resistant Bacteria by PAA Disinfection in the Secondary Effluent of a Municipal Wastewater Treatment Plant
Inactivation and microbial regrowth of penicillin-, ampicillin-, cefalexin-, tetracycline-, chloramphenicol-, and rifampicin-resistant bacteria were studied to explore risks associated with selection and regrowth of antibiotic-resistant bacteria after PAA disinfection. The results showed that after...
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| Veröffentlicht in: | Biomedical and environmental sciences 2013-10, Vol.26 (10), p.865-868 |
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| creator | HUANG, Jing Jing XI, Jing Ying HU, Hong Ying TANG, Fang PANG, Yu Chen |
| description | Inactivation and microbial regrowth of penicillin-, ampicillin-, cefalexin-, tetracycline-, chloramphenicol-, and rifampicin-resistant bacteria were studied to explore risks associated with selection and regrowth of antibiotic-resistant bacteria after PAA disinfection. The results showed that after exposure to 20 mg/L PAA for 10 min, inactivation of ampicillin-resistant bacteria reached 2.3-1og, which was significantly higher than that of total heterotrophic bacteria with a decrease of 2.0-log. In contrast, inactivation of tetracycline- resistant bacteria was significantly less efficient, reaching only 1.1-1og. Chloramphenicol-and tetracycline-resistant bacteria, as well as total heterotrophic bacteria regrew more than 10 fold compared to those in the untreated wastewater sample with 22 h stilling culture after exposure to 2 or 5 mg/L PAA as for 10 min. |
| doi_str_mv | 10.3967/bes2013.012 |
| format | Article |
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The results showed that after exposure to 20 mg/L PAA for 10 min, inactivation of ampicillin-resistant bacteria reached 2.3-1og, which was significantly higher than that of total heterotrophic bacteria with a decrease of 2.0-log. In contrast, inactivation of tetracycline- resistant bacteria was significantly less efficient, reaching only 1.1-1og. Chloramphenicol-and tetracycline-resistant bacteria, as well as total heterotrophic bacteria regrew more than 10 fold compared to those in the untreated wastewater sample with 22 h stilling culture after exposure to 2 or 5 mg/L PAA as for 10 min.</description><identifier>ISSN: 0895-3988</identifier><identifier>EISSN: 2214-0190</identifier><identifier>DOI: 10.3967/bes2013.012</identifier><identifier>PMID: 24215883</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Anti-Bacterial Agents - pharmacology ; Bacteria - drug effects ; Disinfection ; PAA ; Waste Disposal, Fluid ; Waste Water ; Water Microbiology ; Water Purification ; 二级出水 ; 城市污水处理厂 ; 失活 ; 异养细菌 ; 微生物再生 ; 抗药性 ; 消毒</subject><ispartof>Biomedical and environmental sciences, 2013-10, Vol.26 (10), p.865-868</ispartof><rights>2013 The Editorial Board of Biomedical and Environmental Sciences</rights><rights>Copyright © Wanfang Data Co. Ltd. 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The results showed that after exposure to 20 mg/L PAA for 10 min, inactivation of ampicillin-resistant bacteria reached 2.3-1og, which was significantly higher than that of total heterotrophic bacteria with a decrease of 2.0-log. In contrast, inactivation of tetracycline- resistant bacteria was significantly less efficient, reaching only 1.1-1og. Chloramphenicol-and tetracycline-resistant bacteria, as well as total heterotrophic bacteria regrew more than 10 fold compared to those in the untreated wastewater sample with 22 h stilling culture after exposure to 2 or 5 mg/L PAA as for 10 min.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>24215883</pmid><doi>10.3967/bes2013.012</doi><tpages>4</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Anti-Bacterial Agents - pharmacology Bacteria - drug effects Disinfection PAA Waste Disposal, Fluid Waste Water Water Microbiology Water Purification 二级出水 城市污水处理厂 失活 异养细菌 微生物再生 抗药性 消毒 |
| title | Inactivation and Regrowth of Antibiotic-resistant Bacteria by PAA Disinfection in the Secondary Effluent of a Municipal Wastewater Treatment Plant |
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