Increasing attention has been paid to the widespread contamination of azo dyes in water bodies globally. These chemicals can present high toxicity, possibly causing severe irritation respiratory tract and even carcinogenic effects. The study focuses on periodically reverse electrocoagulation (PREC) treatment two typical with different functional groups, involving methyl orange (MO) alizarin yellow (AY), using Fe-Fe electrodes. Based upon comparative analysis three main parameters, including...

The levels of legacy per- and polyfluoroalkyl substances (PFASs) have been growing in the environmental matrices blood residents living around fluorochemical industrial park (FIP) Fuxin China over past decade. Although some recent studies reported occurrence novel PFAS alternatives biotic abiotic near facilities worldwide, little is known about congeners maternal sera, umbilical cord placentas from female close to FIP their related health risks. In this study, 50 paired samples serum as well...

The great seahorse (Hippocampus kelloggi) is one of the larger species within group and widely distributed in coastal areas Indo-Pacific. However, natural resources this continue to decrease, rendering it a vulnerable that faces high risk extinction. Therefore, there an urgent need conduct research on genetic diversity protect its resources. In study, we conducted whole-genome re-sequencing (WGRS) three H. kelloggi populations from Red Sea (RS, n = 30), Andaman (AS, 13), South China (SCS,...

Mesotrione (MES) is a new environmental pollutant. Some reports have indicated that microbial enzymes could be utilized for MES degradation. Laccase green biocatalyst whose potential use in pollutant detoxification has been considered limited due to its poor stability and reusability. However, these issues may addressed using enzyme immobilization. In the present study, we sought optimize conditions laccase immobilization, analyze characterize characteristics of immobilized laccase, compare...

A water-soluble inclusion complex for butachlor was prepared by complexation with (2-hydroxypropyl)-β-cyclodextrin (HP-β-CD). Phase solubility results indicated a 1:1 stoichiometric ratio an apparent stability constant of 864.3 M–1 in the obtained solid complex. The formation confirmed 1H nuclear magnetic resonance, Fourier transform infrared, and differential scanning calorimetry spectra. Coupled molecular docking results, considered to be completely included HP-β-CD cavity. Butachlor...

The environmental fate of polycyclic aromatic hydrocarbons (PAHs) in soils is motivated by their wide distribution, high persistence, and potentially deleterious effect on human health. Polycyclic constitute the largest group contaminants released environment. Therefore, potential biodegradation these compounds vital importance. A biocarrier suitable for colonization micro-organisms purpose purifying soil contaminated was developed. optimized composition polyvinyl alcohol (PVA) 10%, sodium...

This research focused on the degradation of chlorpyrifos via immobilized white rot fungi in soil, with aim to select excellent degrading strains and an optimal carrier fungi. Immobilization was assessed corn stover, wheat straw, peanut shells, wood chip, cobs. Phlebia sp., Lenzites betulinus Irpex lacteus were grown defined nutrient media for remediation pesticide-contaminated soils. The biomass determined by observing growth results showed that stover straw are suitable carriers sp. have a...

Sulfonylurea herbicides (SH) are widely used throughout the world. In this paper, degradation of sulfonylurea in eight different agricultural soils was studied by exploring synergism between microbial consortium (MC) and plants. experiment, chlorimuron with a concentration 50 mg/L as only carbon source to domesticate prepare MC. The six determined, among which bensulfuron (BN), due its better effects, selected. best conditions BN were determined follows: pH 7, 20 °C, mg/L, after days, rate...

The biodegradation of polycyclic aromatic hydrocarbons (PAHs) in soils by laccase is reported. However, the low activities free have limited its applications environmental bioremediation. In this study, polluted soil was made with 3:1 volume ratio to PAH solution. Subsequently, adsorption?cross-link composite immobilization method applied immobilize derived from fungi onto nylon net and chitosan, respectively. These two kinds immobilized were used degradation pyrene (Pyr) benzo[a]pyrene...

The present study used the method of embedding-adsorption to immobilize fungal laccase and determine suitable conditions immobilization by measuring various activities immobilized laccase.In addition, was further employed repair carbofuran-contaminated soil, then degradation rates carbofuran were measured under different conditions.The experimental results showed that appropriate presented as follows: weight powdered active carbon (PAC) 0.4 g, concentration CaCl 2 1.5%, volume crude 80 ml,...

Increasing attention has been paid to removal of aqueous contaminations resulting from azo dyes in water by plasma technology. However, the influence factors and mechanism technology were still obscure, moreover, energy consumption oxidized degradation efficiency reactor also inferior. In present study, a comparative analysis was performed using 100 mg/L Methyl Orange (MO) simulated wastewater with novel achieve ideal parameters involving voltage, discharge gap, needle numbers. Therefore,...

As a typical sulfonylurea herbicide, nicosulfuron is mainly used to control grass weeds and some broadleaf in corn fields. However, as the amount of use continues increase, it accumulates environment eventually becomes harmful ecosystem. In present study, new metallic nanomaterial, δ-MnO

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The widespread use of carbofuran in agriculture and concomitant pollution soil has caused health issues virtue its toxic effect residue.Most bacteria degrade incompletely, as phenolic metabolites are unable to break down.White-rot fungi potent degraders owing their extracellular ligninolytic enzyme systems.Here we studied the catabolism by Phlebia sp.(C strain), Lenzites betulinus (Y IIrpex lacteus (W strain).Corn stover, wheat straw, peanut shells, wood chips, corn cobs were supplied...

In the present study, embedding-crosslinking method was used to immobilize fungal laccase, and determine suitable conditions for immobilization by measuring various activities of immobilized laccase. addition, laccase further employed repair chlorpyrifos-contaminated soil, then degradation rates chlorpyrifos were measured under different conditions. Based on results, appropriate mbedding-crosslinking found be as follows: concentration sodium alginate ? 3 %, glutaraldehyde 1 crosslinking time...

How to correctly select the voltage space vector in a direct torque control system is one of key techniques get over shortcoming DTC at low speed. We introduce intelligent optimization algorithm fuzzy neural network controller adopted by system. Adopting immune genetic optimize weights and grade membership function can defects that are easy local minima BP. It infer with stator reasonably. has an system, dynamic response, fast rotation improves speed performances

With the development of modern agriculture, pollution caused by use chemical fertilizers and pesticides has become a serious problem, posing threat to human health living environment. Bioremediation technology is receiving more attention due safety contaminated soil, non-secondary pollution, low cost. In this study, white rot fungi were immobilized adsorption method, functional plants suitable for reducing carbofuran screened pot experiment. Based on previous combined remediation technique...