Recent advances in assessment methods and mechanism of microbe-mediated chlorpyrifos remediation

Raj, Aman; Kumar, Ashwani

doi:10.1016/j.envres.2022.114011

Cited by 31 publications

(10 citation statements)

References 180 publications

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“…In addition to cost concern, the use and disposal of some harsh chemicals also create an environmental issue. Biological method involves bioremediation using plants such as algae or microorganisms such as yeast and bacteria to absorb, accumulate or degrade the pesticide pollutants [81]. Compared to physical or chemical methods, biological methods can be performed at lower cost and in more environmentally friendly manners [82,83].…”

Section: Treatment Of Pesticide-containing Wastewatermentioning

confidence: 99%

Microalgae-Enabled Wastewater Treatment: A Sustainable Strategy for Bioremediation of Pesticides

Sean

Lau

Ismail

et al. 2022

Water

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Pesticides have been identified as major contaminants of various waterways. Being classified as potential endocrine disrupting compounds, pesticides in aqueous system are highly hazardous to aquatic organisms and the ecosystem. The treatment of pesticide-containing wastewater can be performed through several means, but a wastewater treatment strategy which emphasizes both treatment efficiency and sustainability is a necessity of current time. In this context, bioremediation has been increasingly promoted as an alternative technique for the remediation of diverse pollutants. Particularly, bioremediation which involves the utilization of microalgae for the removal or conversion of pesticides to the harmless or less harmful compounds is becoming a trend. Exploiting microalgae as a tool for wastewater treatment presents multiple advantages over conventional treatment technologies, which include an opportunity to simultaneously treat pesticide-containing wastewater and nutrient recovery for microalgae cultivation as well as less formation of toxic sludge. This review discusses the roles of microalgae in mitigating pesticide pollution issue, while offering an opportunity for nutrient recovery from various wastewater sources. Based on the current laboratory studies, the use of microalgae bioremediation as a promising strategy for pesticide treatment has been rationalized. The establishment of more pilot scale studies is highly encouraged to further facilitate the implementation of this treatment approach for practical application.

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Section: Treatment Of Pesticide-containing Wastewatermentioning

confidence: 99%

Microalgae-Enabled Wastewater Treatment: A Sustainable Strategy for Bioremediation of Pesticides

Sean

Lau

Ismail

et al. 2022

Water

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“…Its major mechanism of action is the inactivation of acetylcholinesterase enzyme at the neural connections of insects. It is applied especially against widespread varieties of arthropods and harmful insects, e.g., mosquitoes (both larvae and hatches), soil and domestic pests, and ectoparasites on cattle, sheep, and poultry (ticks, lice, and bugs) [ 6 ]. It is also used to treat infested fruit trees and agricultural crops, especially sugar beet, fodder beet, corn, ornamental plants, cereals, peppers, kernels, cucumbers, tomatoes, potatoes, rapeseed, forests, and vines [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Pesticide Use on Tree Health in Riparian Buffer Zone

Hanková

Maršík

Zunová

et al. 2023

Toxics

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The result of the enormous usage of pesticides in agriculture is the contamination of soil and water bodies surrounding the fields. Therefore, creating buffer zones to prevent water contamination is very useful. Chlorpyrifos (CPS) is the active substance of a number of insecticides widely used all over the world. In our study, we focused on the effect of CPS on plants forming riparian buffer zones: poplar (Populus nigra L., TPE18), hybrid aspen (P.tremula L. × P. tremuloides Michx.), and alder (Alnus glutinosa L.). Foliage spray and root irrigation experiments were conducted under laboratory conditions on in vitro cultivated plants. Spray applications of pure CPS were compared with its commercially available form—Oleoekol®. Although CPS is considered a nonsystemic insecticide, our results indicate that CPS is transferred not only upwards from roots to shoots but also downwards from leaves to roots. The amount of CPS in the roots was higher (4.9 times and 5.7 times, respectively) in aspen or poplar sprayed with Oleoekol than in those sprayed with pure CPS. Although the treated plants were not affected in growth parameters, they showed increased activity of antioxidant enzymes (approximately two times in the case of superoxide dismutase and ascorbate peroxidase) and augmented levels of phenolic substances (control plants −114.67 mg GAE/g dry tissue, plants treated with CPS—194.27 mg GAE/g dry tissue). In summary, chlorpyrifos, especially as a foliar spray pesticide, can create persistent residues and affects not only target plants but also plants surrounding the field.

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“…To fabricate the ultra-narrow precision metal slits, several methods including conventional machining methods and nontraditional machining methods have been employed. They mainly involve mechanical micro-milling [ 8 , 9 , 10 , 11 ], laser beam machining [ 12 , 13 , 14 , 15 , 16 , 17 , 18 ], electro-discharge micromachining (Micro-EDM) [ 19 , 20 ], electron beam machining [ 21 ], electrochemical micromachining (Micro-ECM) [ 22 ], chemical milling [ 23 , 24 ], micro-electroforming (Micro-EF) [ 25 , 26 , 27 ], etc. For example, Xia et al [ 28 ] utilized laser-induced oxidation-assisted micro-milling to fabricate high aspect ratio micro-slits on Ti6Al4V with a width of 0.5 mm and an aspect ratio of 5.4.…”

Section: Introductionmentioning

confidence: 99%

Fabricating Ultra-Narrow Precision Slit Structures with Periodically Reducing Current Over-Growth Electroforming

Yang,

Zhang,

Ming

et al. 2023

Micromachines

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An ultra-narrow precision slit with a width of less than ten micrometers is the key structure of some optical components, but the fabrication of these structures is still very difficult to accomplish. To fabricate these slits, this paper proposed a periodically reducing current over-growth electroforming process. In the periodically reducing current over-growth electroforming, the electric current applied to the electrodeposition process is periodically stepped down rather than being constant. Simulations and experimentation studies were carried out to verify the feasibility of the proposed process, and further optimization of process parameters was implemented experimentally to achieve the desired ultra-narrow precision slits. The current values were: I1=Iinitial, I2=0.75Iinitial at Qc=0.5Qt, I3=0.5Iinitial at Qc=0.75Qt,respectively. It was shown that, compared with conventional constant current over-growth electroforming, the proposed process can significantly improve the surface quality and geometrical accuracy of the fabricated slits and can markedly enhance the achievement of the formed ultra-narrow slits. With the proposed process, slits with a width of down to 5 ± 0.1 μm and a surface roughness of less than 62.8 nm can be easily achieved. This can improve the determination sensitivity and linear range of the calibration curves of spectral imagers and food and chemical analysis instruments. Periodically reducing current over-growth electroforming is effective and advantageous in fabricating ultra-narrow precision slits.

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Recent advances in assessment methods and mechanism of microbe-mediated chlorpyrifos remediation

Cited by 31 publications

References 180 publications

Microalgae-Enabled Wastewater Treatment: A Sustainable Strategy for Bioremediation of Pesticides

Microalgae-Enabled Wastewater Treatment: A Sustainable Strategy for Bioremediation of Pesticides

The Impact of Pesticide Use on Tree Health in Riparian Buffer Zone

Fabricating Ultra-Narrow Precision Slit Structures with Periodically Reducing Current Over-Growth Electroforming

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