Sorption, transport and biodegradation – An insight into bioavailability of persistent organic pollutants in soil

Ren, Xin; Zeng, Guangming; Tang, Lin; Wang, Jingjing; Wan, Jia; Liu, Yani; Yu, Jiangfang; Yi, Huan; Ye, Shujing; Deng, Rui

doi:10.1016/j.scitotenv.2017.08.089

Cited by 449 publications

(134 citation statements)

References 119 publications

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“…This is similar to literature reports. 39,40 According to the relevant denition of non-carcinogenic risk from the USEPA, when the risk index of a pollutant exceeds 1, the pollutant is considered to be harmful to human health. The noncarcinogenic risk of 10 kinds of VOCs detected ranged from 6.29 Â 10 À5 to 1.11 Â 10 À1 , which is much smaller than 1.…”

Section: Riskmentioning

confidence: 99%

Occurrence and health risk assessment of volatile organic compounds in the surface water of Poyang Lake in March 2017

Qin

Cao

et al. 2019

RSC Adv.

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Section: Riskmentioning

confidence: 99%

Occurrence and health risk assessment of volatile organic compounds in the surface water of Poyang Lake in March 2017

Qin

Cao

et al. 2019

RSC Adv.

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“…The importance of biodegradation on flavonoid signal loss is well established (7), but few studies have considered the influence of abiotic environmental parameters on the efficiency of signal transmission through soils. Soil properties vary widely and influence the availability of numerous chemicals including nutrients, metals, and pollutants (8,9), making it likely that soil physicochemical characteristics play a key role in influencing the bioavailability of flavonoid molecules. Organic carbon (OC) is one abiotic soil property that is particularly important to study (10), because OC levels in soil are influenced by the rate of plant growth and of delivery of plant litter into an ecosystem.…”

Section: Introductionmentioning

confidence: 99%

Soil organic matter attenuates the efficacy of flavonoid-based plant-microbe communication

et al. 2020

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Plant-microbe interactions are mediated by signaling compounds that control vital plant functions, such as nodulation, defense, and allelopathy. While interruption of signaling is typically attributed to biological processes, potential abiotic controls remain less studied. Here, we show that higher organic carbon (OC) contents in soils repress flavonoid signals by up to 70%. Furthermore, the magnitude of repression is differentially dependent on the chemical structure of the signaling molecule, the availability of metal ions, and the source of the plant-derived OC. Up to 63% of the signaling repression occurs between dissolved OC and flavonoids rather than through flavonoid sorption to particulate OC. In plant experiments, OC interrupts the signaling between a legume and a nitrogen-fixing microbial symbiont, resulting in a 75% decrease in nodule formation. Our results suggest that soil OC decreases the lifetime of flavonoids underlying plant-microbe interactions.

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“…There is a limited capacity to remove pharmaceuticals from urban wastewaters due to their resistance to conventional treatments. Microorganisms cannot metabolize most drugs as source of carbon (Ren et al, 2018), resulting in the release of contaminated effluents into the aquatic resources that ultimately supply the population (Bahlmann et al, 2014(Bahlmann et al, , 2012Calisto et al, 2011;Rivera-Utrilla et al, 2013)). This fact has been worrying the scientific community, causing the search for new options to solve this serious environmental problem.…”

Section: Introductionmentioning

confidence: 99%

Paper pulp-based adsorbents for the removal of pharmaceuticals from wastewater: A novel approach towards diversification

Oliveira

Calisto

Santos

et al. 2018

Science of The Total Environment

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In this work, two pulps, bleached (BP) and raw pulp (RP), derived from the paper production process, were used as precursors of non-activated and activated carbons (ACs). In the case of non-ACs, the production involved either pyrolysis or pyrolysis followed by acid washing. For ACs production, the pulps were impregnated with KCO or HPO, and then pyrolysed and acid washed. After production, the materials were physically and chemically characterized. Then, batch adsorption tests on the removal of two pharmaceuticals (the anti-epileptic carbamazepine (CBZ) and the antibiotic sulfamethoxazole (SMX)) from ultra-pure water and from Waste Water Treatment Plant (WWTP) effluents were performed. In ultra-pure water, non-ACs were not able to adsorb CBZ or SMX while ACs showed good adsorption capacities. In WWTP effluents, although ACs satisfactorily adsorbed CBZ and SMX, they showed lower adsorption capacities for the latter. Tests with WWTP effluents revealed that the best adsorption capacities were achieved by carbons produced from BP and activated with HPO: 92±19mgg for CBZ and 13.0±0.6mgg for SMX. These results indicate the potential of paper pulps as precursors for ACs that can be applied in wastewater treatment.

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Sorption, transport and biodegradation – An insight into bioavailability of persistent organic pollutants in soil

Cited by 449 publications

References 119 publications

Occurrence and health risk assessment of volatile organic compounds in the surface water of Poyang Lake in March 2017

Occurrence and health risk assessment of volatile organic compounds in the surface water of Poyang Lake in March 2017

Soil organic matter attenuates the efficacy of flavonoid-based plant-microbe communication

Paper pulp-based adsorbents for the removal of pharmaceuticals from wastewater: A novel approach towards diversification

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