Metagenomic analysis on resistance genes in water and microplastics from a mariculture system

Lü, Jian; Wu, Jun; Wang, Jianhua

doi:10.1007/s11783-021-1438-y

Cited by 50 publications

(10 citation statements)

References 39 publications

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“…Various pollutants in the aquatic environment might profoundly affect water resource utilization [1][2][3]. The water resource is an indispensable natural resource for human society and social development [4].…”

Section: Introductionmentioning

confidence: 99%

Quantification and Evaluation of Grey Water Footprint in Yantai

Xue

Lü

et al. 2022

Water

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Problems such as water scarcity and pollution frequently occur in coastal zones. This study investigated the grey water footprint and the sustainability and intensity of grey water footprint in Yantai between 2014 and 2019 by taking both surface water and groundwater into consideration. The research results indicated that the Yantai grey water footprint firstly increased and then decreased between 2014 and 2019. The lowest grey water footprint in 2019 was 744 million m3. The agricultural grey water footprint accounted for a large proportion of the total grey water footprint. Although the sustainability of grey water footprint fluctuates in Yantai, it maintains well. The Yantai grey footprint intensity gradually decreased to <10 m3/10,000 CNY. The economic benefit of grey water footprint and utilization efficiency of water resources have been improved yearly. The quality of the water environment in Yantai has also been improved. The research of this paper provides some useful information for water resources protection and sustainable utilization in coastal cities.

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Section: Introductionmentioning

confidence: 99%

Quantification and Evaluation of Grey Water Footprint in Yantai

Xue

Lü

et al. 2022

Water

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“…Water quality is very important for water resource usage, agricultural activities, industrial production, aquaculture, and regional safety [2][3][4][5][6]. However, water has been frequently contaminated by diverse pollutants such as heavy metals [7], endocrine disrupting chemicals [8], antibiotic resistance genes [9], microplastics [9], and other emerging chemicals in recent decades. ese pollutants have occurred in seawater, groundwater, lakes, and rivers to possibly exert the potential risks to humans [7,9,10].…”

Section: Introductionmentioning

confidence: 99%

“…However, water has been frequently contaminated by diverse pollutants such as heavy metals [7], endocrine disrupting chemicals [8], antibiotic resistance genes [9], microplastics [9], and other emerging chemicals in recent decades. ese pollutants have occurred in seawater, groundwater, lakes, and rivers to possibly exert the potential risks to humans [7,9,10]. erefore, water pollution in terms of emerging contaminants has become a study hot-spot in recent years [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…ese pollutants have occurred in seawater, groundwater, lakes, and rivers to possibly exert the potential risks to humans [7,9,10]. erefore, water pollution in terms of emerging contaminants has become a study hot-spot in recent years [7][8][9][10]. e traditional water quality parameters such as chemical oxygen demand (COD), dissolved oxygen (DO), biological oxygen demand (BOD), ammonia-nitrogen, pH, total nitrogen (TN), total phosphate (TP), permanganate index (IMn), and uoride are important to evaluate the water quality so that these parameters have been routinely monitored for management of surface water quality.…”

Section: Introductionmentioning

confidence: 99%

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Variation of Water Quality in Ningxia Section of the Yellow River in Recent 5 Years

Jin

Wang

Dong³

2022

Journal of Chemistry

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The Yellow River is very important for human health and social development in China to require good water quality. This study selected the Ningxia section of the Yellow River as the study area to investigate the water quality variation in 2016–2020. A total of 9 water quality parameters were monitored, and 8 parameters including pH, dissolved oxygen, biological oxygen demand, chemical oxygen demand, total phosphate, fluoride, ammonia-nitrogen, and permanganate index were in the range of Class II standard requirement. Dissolved oxygen concentrations ranged from 7.5 to 9.4 mg/L. However, total nitrogen concentrations in 2018–2020 ranged from 1.87 to 2.8 mg/L to cause the pollution. Both the Nemerow index method and the contamination degree method showed that total nitrogen with high concentration exerted the water pollution. Principal component analysis also proved this. Stricter environmental management strategies for controlling total nitrogen should be taken in the future. The findings provided some useful information for water pollution of the Ningxia section of the Yellow River.

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“…Pharmaceuticals and personal care products (PPCPs) in water environments are a well-recognized concern due to their widespread occurrence and potential harm to environmental organisms (Yang et al, 2017;Danner et al, 2019;Patel et al, 2019;Lu et al, 2020Lu et al, , 2022. Benzodiazepines, a main class of psychoactive drugs, have pharmacological effects such as sedative-hypnotic, anxiolytic, anticonvulsant, antiepileptic, and muscle relaxant (Cunha et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Degradation of 17 Benzodiazepines by the UV/H2O2 Treatment

You

Pu²,

Yang

et al. 2021

Front. Environ. Sci.

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Benzodiazepines are one group of psychoactive drugs widely detected in water environments, and their persistence during conventional wastewater treatment has raised great concerns. Here we investigated the degradation of 17 benzodiazepines in water by UV/H2O2 treatment. The results showed that the UV/H2O2 treatment significantly increased the degradation of 17 benzodiazepines in phosphate buffer solutions at pH 7.0. This can be attributed to the high reactivity of hydroxyl radicals (·OH) towards benzodiazepines with second-order rate constants of 3.48 × 109 M−1 s−1–2.44 × 1010 M−1 s−1. The degradation of alprazolam, a typical benzodiazepine, during the UV/H2O2 treatment was increased with the increasing H2O2 dosage. The solution pH influenced the alprazolam degradation significantly, with the highest degradation at pH 7.0. Water matrix, such as anions (Cl−, HCO3−, NO3−) and humic acid, decreased the degradation of alprazolam by UV/H2O2 treatment. Based on the degradation products identified using quadrupole time-of-flight mass spectrometer, the degradation mechanisms of alprazolam by UV/H2O2 treatment were proposed, and hydroxylation induced by ·OH was the main reaction pathway. The degradation of 17 benzodiazepines by UV/H2O2 treatment in wastewater treatment plant effluent and river water was lower than that in phosphate buffer solutions. The results showed that the benzodiazepine psychoactive drugs in natural water can be effectively removed by the UV/H2O2 treatment.

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Metagenomic analysis on resistance genes in water and microplastics from a mariculture system

Cited by 50 publications

References 39 publications

Quantification and Evaluation of Grey Water Footprint in Yantai

Quantification and Evaluation of Grey Water Footprint in Yantai

Variation of Water Quality in Ningxia Section of the Yellow River in Recent 5 Years

Degradation of 17 Benzodiazepines by the UV/H2O2 Treatment

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