EFFECT OF ZERO VALENT IRON NANOPARTICLES ON REMOVAL OF ANTIBIOTIC RESISTANT GENES OF HETEROTROPHIC BACTERIAIN URBAN WASTEWATER

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YEGANEH JABBER; MEHRDADI NASSER; NABI BIDHENDI GHOLAMREZA; BAGHDADI MAJID; AALI RAHIM

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2018 | Volume:28 | Issue:160 Page(s): 28-44

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Title

EFFECT OF ZERO VALENT IRON NANOPARTICLES ON REMOVAL OF ANTIBIOTIC RESISTANT GENES OF HETEROTROPHIC BACTERIAIN URBAN WASTEWATER

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Keywords

WASTEWATER TREATMENTQ2

ANTIBIOTIC RESISTANCEQ2

HETEROTROPHIC BACTERIAQ1

NANOPARTICLESQ1

PCRQ2

Abstract

Background and purpose: Application of nanomaterials is growing in removing variouscontaminants, pharmaceuticals, and in deactivation of water or sewage bacteria. However, the ability todegrade or eliminate the genetic components of bacteria by NANOPARTICLES and preventing the increasingtrend of ANTIBIOTIC RESISTANCE from sewage treatment plants needs to be further investigated. This studyaimed at eliminating the genetic components (antibiotic resistance genes) of HETEROTROPHIC BACTERIA fromwastewater by Zero Valent Iron NANOPARTICLES. Materials and methods: To eliminate genetic components of bacteria, the ability of nZVI wasmeasured by cellular and molecular methods to remove the genetic components of the bacteria. Selectedgenes included TetW (tetracycline) Ctx-m-32 (Ceftazidime), and CmlA1 (Chloramphenicol). Polymerasechain reaction (PCR) and specific primers were used to detect resistant genes. Results: The average concentrations of HPC and ARBs were 1. 68 × 105 and 2. 58 × 104 cfu/mLin primary effluent. The mean values for ARGs were (TetW)=33. 71 ± 10. 66, (CmlA1)=57. 71 ± 11. 60, and(Ctx-m-32)=37. 71 ± 4. 85 ng/μ l after the experiments. The proposed software model for HPC and ARBsincluded nZVI= 20-23 mg/l, QN2=7-7. 8l/min, and time=23-30 min and for ARGs it included nZVI=28-30mg/l, QN2=7-7. 8l/min, and time=30-38 min. Conclusion: Zero Valent Iron NANOPARTICLES can degrade and eliminate HETEROTROPHIC BACTERIA, and decompose and eliminate the genetic components of bacteria and ANTIBIOTIC RESISTANCE genes. Unlikethe chlorination units of sewage treatment plants that increase ANTIBIOTIC RESISTANCE among effluentbacteria, iron significantly reduces the populations of antibiotic resistant bacteria. Compared to TetW andCmlA1, the Ctx-m-32 genes have high stability and durability against nZVI.

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APA: Copy

YEGANEH, JABBER, MEHRDADI, NASSER, NABI BIDHENDI, GHOLAMREZA, BAGHDADI, MAJID, & AALI, RAHIM. (2018). EFFECT OF ZERO VALENT IRON NANOPARTICLES ON REMOVAL OF ANTIBIOTIC RESISTANT GENES OF HETEROTROPHIC BACTERIAIN URBAN WASTEWATER. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 28(160 ), 28-44. SID. https://sid.ir/paper/45188/en

Vancouver: Copy

YEGANEH JABBER, MEHRDADI NASSER, NABI BIDHENDI GHOLAMREZA, BAGHDADI MAJID, AALI RAHIM. EFFECT OF ZERO VALENT IRON NANOPARTICLES ON REMOVAL OF ANTIBIOTIC RESISTANT GENES OF HETEROTROPHIC BACTERIAIN URBAN WASTEWATER. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2018;28(160 ):28-44. Available from: https://sid.ir/paper/45188/en

IEEE: Copy

JABBER YEGANEH, NASSER MEHRDADI, GHOLAMREZA NABI BIDHENDI, MAJID BAGHDADI, and RAHIM AALI, “EFFECT OF ZERO VALENT IRON NANOPARTICLES ON REMOVAL OF ANTIBIOTIC RESISTANT GENES OF HETEROTROPHIC BACTERIAIN URBAN WASTEWATER,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 28, no. 160 , pp. 28–44, 2018, [Online]. Available: https://sid.ir/paper/45188/en

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