toxicity effects of polyacrylamide to earthworm (eisenia

Toxicity effects of polyacrylamide to earthworm (Eisenia …

Toxicity effects of polyacrylamide to earthworm (Eisenia fetida) … it may bring a potential threat to microorganisms when it is discharged into natural environments.,Toxicity effects of polyacrylamide to earthworm (Eisenia … ,There was no significant effect of PAM on the survival and growth of E. fetida in acute and sub-acute toxicity tests; while at the concentration of 100 mg/kg AM, it showed a significant toxicity…,Toxicity effects of polyacrylamide to earthworm(Eisenia … ,Polyacrylamide is commonly used as a water-treatment agent in China and abroad,it may bring a potential threat to microorganisms when it is discharged into natural environments.To obtain toxicity information of polyacrylamide(PAM) and acrylamide(AM),the acute and sub-acute tests were conducted with specimens of Eisenia fetida using OECD(Organization for Economic Co-operation and Development …

Toxicity of thifluzamide in earthworm (Eisenia fetida …

Here, we assessed effects of thifluzamide on earthworm (Eisenia fetida) biomarker indicators of stress responses and reproduction following exposure to 0, 0.1, 1.0, and 10.0 mg of thifluzamide kg −1 soil for 7, 14, 21, and 28 d (biomarker indicators) and 30 d (reproduction). Growth and reproduction were inhibited by exposure to thifluzamide …,Toxicity assessment of earthworm exposed to arsenate using … ,The earthworm (Eisenia fetida) has been widely used as a model organism to assess soil toxicity with biomarkers from oxidative stress responses, such as ROS, MDA, antioxidant enzymes, stress proteins used to assess the toxicity of many xenobiotics (Hackenberger et al., 2018; Li et al., 2019).,Cadmium toxicity evaluation in the earthworm : behavior … ,this work were to assess the toxicity of cadmium to earthworm Eisenia foetida using contact and avoidance tests and to examine their effects on explain the cadmium toxicity. The first contact of

Evaluation of phenanthrene toxicity on earthworm (Eisenia …

The goal of this study was to identify promising new biomarkers of phenanthrene by identifying differentially expressed proteins in Eisenia fetida after exposure to phenanthrene. Extracts of earthworm epithelium collected at days 2, 7, 14, and 28 after phenanthrene exposure were analyzed by two dimensional electrophoresis (2-DE) and quantitative image analysis.,Effects of soil properties on copper toxicity to earthworm … ,Earthworm toxicity tests. Effects of Cu on earthworm survival, growth, and cocoon production were investigated following the International Organization for Standardization (ISO) guideline 11268-2 .,Microplastics aggravate the joint toxicity to earthworm … ,The joint toxicity to earthworm fitness and the effects of MPs on Cd availability were both investigated in a 28-day microcosm experiment. The co-exposure of MPs and Cd adversely affected the earthworm growth and reproduction and significantly induced antioxidant stresses, histopathological changes and sperm DNA damages.

TOXICITY EFFECT OF CHLOROACETAMIDE ON EARTHWORM (EISENIA …

Chloroacetamide was studied at different concentrations against the earthworm, Eisenia foetida in artificial soil medium and the pH of the medium was 6.5. The initial moisture content of the medium was 35% and final moisture content on three trials were 32.9%, 33.0% and 32.7% respectively.,[PDF] Toxicity of ZnO nanoparticles on earthworm Eisenia … ,Nanoparticles (NPs) are often expected that the smaller the size, stronger is the exerted toxicity. Particle size and surface area are considered important factors for determining the toxicity of nanoparticles, because, as the particle size decreases its surface area increases.,Toxicity of soil antimony to earthworm Eisenia fetida … ,Information on soil antimony (Sb) toxicity to earthworm Eisenia fetida (Savingy) is limited. This ecotoxicology study was designed to quantify the soil Sb toxicity to earthworm E.

Evaluation of phenanthrene toxicity on earthworm (Eisenia …

The goal of this study was to identify promising new biomarkers of phenanthrene by identifying differentially expressed proteins in Eisenia fetida after exposure to phenanthrene. Extracts of earthworm epithelium collected at days 2, 7, 14, and 28 after phenanthrene exposure were analyzed by two dimensional electrophoresis (2-DE) and quantitative image analysis.,Toxicity of arsenite to earthworms and subsequent effects … ,Arsenic (As) is widely distributed in soil and is toxic to plants, animals and humans. In this study, earthworms (Eisenia fetida) were exposed to five concentrations of sodium arsenite (5, 10, 20, 40, and 80 mg As kg −1) in farm soils for 28 d.With increasing soil As(III) concentrations, As bioaccumulation in earthworms increased (maximum bioaccumulation factor 3.77), and levels of reactive …,Biological response of earthworm, Eisenia foetida (Savigny … ,Abstract Acute toxicity, morphological alterations and histological effects of an organophosphorus insecticide, profenofos (PFF) to earthworm, Eisenia foetida were evaluated by direct contact through a filter paper. The 24 and 48 h LC50 was 4.56 and 3.55 μg cm−2, respectively.

Disturbance of smooth muscle regulatory function by …

Lysenin, a toxin present in the coelomic fluid of the earthworm Eisenia foetida, is known to cause a long-lasting contraction of rat aorta smooth muscle strips. We addressed the mechanisms underlying its action on smooth muscle cells and present the first report demonstrating a completely new proper …,Acute Toxicity of Bismuth to the Earthworm Eisenia andrei … ,Bismuth (Bi) is increasingly used in several industrial applications including the production of alloys, drugs, cosmetics and munitions formulations. However, little information is available on the environmental fate and ecotoxicological effects of Bi.,Detoxification mechanisms, defense responses, and toxicity … ,The widespread application of antibiotics poses health risks for agro-ecosystems. This study examined the effects of ciproflaxin (CIP)-polluted soils (0–51.2 mg CIP/kg) on the earthworm Eisenia foetida.The enhanced activities and isozyme levels of superoxide dismutase (SOD) and ascorbate peroxidase after 15 days of CIP exposure suggested reactive oxygen species overproduction and thus the …

Earthworm (Eisenia fetida) Eco-physiological …

A vermifilter (with earthworms, VF), with a conventional biofilter (no earthworms, BF) as a control, was established to examine the survival state and adaptability of earthworms in protein perspective. The VF behaved with a significantly higher organic matter decomposition and lower sludge yield due to the presence of earthworms.,Accumulation of methylmercury in the earthworm, Eisenia … ,OSTI.GOV Journal Article: Accumulation of methylmercury in the earthworm, Eisenia foetida, and its effect on regeneration,印染污泥对蚯蚓的毒性效应研究 ,Then the actual eco-toxicity effect of textile dyeing sludge were also studied by using the earthworm as the test organism. The chemical analysis results showed that the textile dyeing sludge could cause certain ecological risks after being released into the environment and the average content of PAHs was (2.233±1.868) ng·kg<sup>-1</sup>.

Lysosomal membrane response of earthworm, Eisenia fetida …

Abstract Earthworm (Eisenia fetida) were exposed to sandy soils contaminated with arsenate (0.01–0.3 μmol g−1) for 28 days. Lysosomal membrane stability was used as a biomarker to determine the app…,PRIME PubMed | Toxicological effects of soil contaminated … ,The aim of this study was to evaluate the potential toxicity of spirotetramat to the earthworm Eisenia fetida in a natural soil environment. Many biochemical markers, viz., superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), glutathione S-transferase (GST), cellulase, and malondialdehyde (MDA) contents were measured after exposure to 0.25, 1.25, and 2.5mgkg(-1) for 2, 7, 14, 21, and …,Effect of herbicides on glutathione S-transferases in the … ,Read "Effect of herbicides on glutathione S-transferases in the earthworm, Eisenia fetida, Environmental Science and Pollution Research" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Schwann Cell Migration Induced by Earthworm Extract via …

However, some of the effects were reversed back to the basal level at doses of 250–1000 μg/ml, indicating that the toxicity effect of earthworm extract could occur at high concentrations. These results may elucidate that treatment with 125 μ g/ml earthworm extract appears to induce cell proliferation.,Michael J. Lydy – Publications ,Assessing the impact of triazine herbicides on organophosphate insecticide toxicity to the earthworm Eisenia fetida Archives of Environmental Contamination and Toxicology. 45: 343-349.,市政污水厂脱水污泥对赤子爱胜蚓生长与繁殖的影响 ,Spurgeon D J, Hopkin S P, Jones D T. 1994.

Earthworm (Eisenia fetida) Eco-physiological …

A vermifilter (with earthworms, VF), with a conventional biofilter (no earthworms, BF) as a control, was established to examine the survival state and adaptability of earthworms in protein perspective. The VF behaved with a significantly higher organic matter decomposition and lower sludge yield due to the presence of earthworms.,印染污泥对蚯蚓的毒性效应研究 ,Then the actual eco-toxicity effect of textile dyeing sludge were also studied by using the earthworm as the test organism. The chemical analysis results showed that the textile dyeing sludge could cause certain ecological risks after being released into the environment and the average content of PAHs was (2.233±1.868) ng·kg<sup>-1</sup>.,Avoidance behaviour response and esterase inhibition in … ,The avoidance response of earthworms to polluted soils has been standardised using a simple and low-cost test, which facilitates soil toxicity screening. In this study, the avoidance response of Lumbricus terrestris was quantified in chlorpyrifos-spiked soils, depending on the pesticide concentration and exposure duration.

Cerebral ganglionic variations and movement behaviors of …

Introduction. Earthworm Lumbricus terrestris (Annelida, Oligochaeta) is a favorite model in neuroscience and behavioral studies because of the known ventral nerve cord connections of the CNS and the peripheral nervous system (PNS).,(PDF) Application of a biomarker battery for the … ,Introduction as Lumbricus and Eisenia spp. (Anellida, Oligochaeta), are considered to be of particular interest, as they are almost Concern on the biological sublethal effects of toxic chemicals ubiquitous and because of their ecological role in soil biocenosis present in soil has risen in recent years and increasing efforts to (Svendsen et al …,Effect of herbicides on glutathione S-transferases in the … ,Read "Effect of herbicides on glutathione S-transferases in the earthworm, Eisenia fetida, Environmental Science and Pollution Research" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

市政污水厂脱水污泥对赤子爱胜蚓生长与繁殖的影响

Spurgeon D J, Hopkin S P, Jones D T. 1994.,Earthworm (Pheretima aspergillum) extract stimulates … ,The potential benefits of earthworm (Pheretima aspergillum) for healing have received considerable attention recently. Osteoblast and osteoclast activities are very important in bone remodeling, which is crucial to repair bone injuries.,Bio‐nano interface and environment: A critical review … ,In this regard, a number of studies have addressed the effect of EPS interaction on the toxicity of ENMs. Generally, EPS have protective effects for bacteria 36 and algae 37 .