Influence of tetracycline on arsenic mobilization and biotransformation in flooded soils

Shen, Yue; Yu, Haodan; Lin, Jiahui; Guo, Ting; Dai, Zhongmin; Tang, Caixian; Xu, Jianming

doi:10.1016/j.envpol.2021.118416

Cited by 22 publications

(14 citation statements)

References 57 publications

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“…It has been reported that TCs (50 mg/kg dry soil) significantly promote the release of As from soil in rice fields copolluted with TC and As . In this study, we investigated the release and oxidation of As(III) on the surfaces of Fh in the presence of TC under aerobic and anaerobic conditions and revealed the corresponding mechanism of As(III) release and oxidation.…”

Section: Environmental Implicationsmentioning

confidence: 98%

“…It has been reported that TCs (50 mg/kg dry soil) significantly promote the release of As from soil in rice fields copolluted with TC and As. 7 In this study, we investigated the release and oxidation of As(III) on the surfaces of Fh in the presence of TC under aerobic and anaerobic conditions and revealed the corresponding mechanism of As(III) release and oxidation. We demonstrated that reductive antibiotic contaminants in flooded systems can be linked to the large-scale migration and transformation of As by inducing the reductive dissolution of Fe minerals and oxidation of As(III).…”

Section: Environmental Implicationsmentioning

confidence: 99%

“…In addition to antibiotics, arsenic (As) is commonly detected in livestock wastewater because of the use of arsenic-containing feed additives, especially roxarsone. , Samples from fields with a history of long-term application of poultry litter contained up to 7.5 mg/kg As . Hence, cocontamination with TC and As is very common in paddy fields. , …”

Section: Introductionmentioning

confidence: 99%

“…5 Hence, cocontamination with TC and As is very common in paddy fields. 6,7 Arsenic (As) is a typical toxic metalloid that poses a threat to food safety and human health once dispersed in paddy fields or after entering the groundwater. 8 The chemical speciation of As has a great effect on its toxicity and mobility, with As(III) being more toxic and mobile than As(V).…”

Section: Introductionmentioning

confidence: 99%

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Tetracycline-Induced Release and Oxidation of As(III) Coupled with Concomitant Ferrihydrite Transformation

Deng

Zhang

Liu

et al. 2022

Environ. Sci. Technol.

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Cocontamination with tetracycline (TC) and arsenic (As) is very common in paddy fields. However, the process and underlying mechanism of arsenite (As(III)) transformation on iron mineral surfaces in the presence of antibiotic contaminants remain unclear. In this study, the release and oxidation of As(III) on ferrihydrite (Fh) surfaces and Fh transformation in the presence of TC under both aerobic and anaerobic conditions were investigated. Our results indicated that the TC-induced reductive dissolution of Fh (Fe(II) release) and TC competitive adsorption significantly promote the release of As, especially under anaerobic conditions. The release of As was increased with increasing TC concentration, whereas it decreased with increasing pH. Interestingly, under both aerobic and anaerobic conditions, the addition of TC enhanced the oxidation of As(III) by Fh and induced the partial transformation of Fh to lepidocrocite. Under aerobic conditions, the adsorbed Fe(II) activated the production of reactive oxygen species (·OH and 1O2) from dissolved O2, with Fe(IV) being responsible for As(III) oxidation. Under anaerobic conditions, the abundant oxygen vacancies of Fh affected the oxidation of As(III) during Fh recrystallization. Thus, this study provided new insights into the role of TC on the migration and transformation of As coupled with Fe in soils.

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Section: Environmental Implicationsmentioning

confidence: 98%

Section: Environmental Implicationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Tetracycline-Induced Release and Oxidation of As(III) Coupled with Concomitant Ferrihydrite Transformation

Deng

Zhang

Liu

et al. 2022

Environ. Sci. Technol.

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“…Meanwhile, the reductive dissolution of iron minerals is usually accompanied by the reduction and release of associated arsenic in flooding conditions. The concentration of dissolved As(III) in paddy soils can be up to 9.2 mg·L –1 after a 30 day flooding . Previous studies have reported the oxidation of As(III) on CFH surface via ligand-to-metal charge transfer from As(III) to Fe(III) under light conditions. , However, the transformation of As(III) by CFH without irradiation has not been investigated and it is unclear whether the interaction between TCs and CFH can affect the oxidation of As(III).…”

Section: Introductionmentioning

confidence: 99%

The Oxidation and Immobilization of As(III) by Colloidal Ferric Hydroxide in the Concomitant Pollution of Oxytetracycline

Tong

Wang

et al. 2023

ACS EST Eng.

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The concomitant pollution of arsenic and antibiotics has commonly occurred in the environments recently, the behaviors of which may be different from single existence. Colloidal ferric hydroxide (CFH) is ubiquitous, existing in surface waters, seawaters, sediments, and paddy soils. In this study, the interaction between oxytetracycline (OTC) and CFH facilitated OTC degradation and reduced Fe(III) to Fe(II). In oxic conditions, the reactions between dissolved oxygen (DO) and Fe(II) generated reactive oxygen species (ROS). • OH and O 2•− were the main free radicals through electron paramagnetic resonance (EPR) measurement, and 8.1 ± 0.5 μM • OH was detected after 48 h of reaction. Quenching experiments indicated that • OH had dominated the oxidation of As(III). Furthermore, ferric arsenate formed after the oxidation of As(III) to As(V), which greatly decreased As(III) risks in the environment. The transformation of As(III) was also observed with other iron oxides or different antibiotics. The results of this study proved the facilitation of residual antibiotics in the redox process of iron oxides and transformation of co-existing pollutants, which extended our understanding on the roles of organic pollutants in combined contamination.

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Bacterial Tolerance and Biotransformation of Arsenic in Soil and Aqueous Media

Mazhar

Shahzad

Mahmood

et al. 2022

Global Arsenic Hazard

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Influence of tetracycline on arsenic mobilization and biotransformation in flooded soils

Cited by 22 publications

References 57 publications

Tetracycline-Induced Release and Oxidation of As(III) Coupled with Concomitant Ferrihydrite Transformation

Tetracycline-Induced Release and Oxidation of As(III) Coupled with Concomitant Ferrihydrite Transformation

The Oxidation and Immobilization of As(III) by Colloidal Ferric Hydroxide in the Concomitant Pollution of Oxytetracycline

Bacterial Tolerance and Biotransformation of Arsenic in Soil and Aqueous Media

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