Humic acid attenuation of silver nanoparticle toxicity by ion complexation and the formation of a Ag3+ coating

10.1016/j.jhazmat.2018.04.019

2018-04-11

The use of silver nanoparticles (AgNPs) result in an inevitable contact with aquatic environments. Here we study the behavior of AgNPs and the developmental toxicity in zebrafish embryos exposed to these nanoparticles (0-10 mg/L) with and without the presence...

In Situ Preparation of Highly Stable Polyaniline/W18O49 Hybrid Nanocomposite as Efficient Visible Light Photocatalyst for Aqueous Cr(VI) Reduction

10.1016/j.jhazmat.2018.04.005

2018-04-10

In the present study, we prepared novel polyaniline supported W18O49 (PANI/W18O49) nanocomposite by in situ oxidative polymerisation method. We herein focused on enhancing the stability and the photocatalytic performance of W18O49. The prepared PANI/W18O49 wa...

Effects of Trifluralin on the Soil Microbial Community and Functional Groups Involved in Nitrogen Cycling

10.1016/j.jhazmat.2018.04.012

2018-04-10

Large amounts of trifluralin are applied each year for weed control; however, its effects on soil microbial communities and functions are unknown. Two agricultural soils, one silty loam and one silty clay were spiked with TFL (0, 0.84, 8.4, and 84 mg kg–1) and...

Effects of different oxyanions in solution on the precipitation of jarosite at room temperature

10.1016/j.jhazmat.2018.04.016

2018-04-09

The effects of five different oxyanions, AsO4, SeO3, SeO4, MoO4, and CrO4, on the precipitation of jarosite at room temperature were investigated by X-ray diffraction, scanning electron microscopy, and chemical analysis. Different amounts (2, 5, and 10 mol%) ...

Comparison of constant, pulsed, incremental and decremental direct current applications on solid-liquid phase separation in oil sediments

10.1016/j.jhazmat.2018.04.002

2018-04-08

Phase separation of oil wastes can mitigate the effects on the environment, by decreasing the volume of hazardous materials and regenerate energy. This study focused on the advanced electrokinetic method as a treatment technology to treat oil sediments from o...

Microstructure of ultra high performance concrete containing lithium slag

10.1016/j.jhazmat.2018.03.063

2018-04-03

Lithium slag (LS) is discharged as a byproduct in the process of the lithium carbonate, and it is very urgent to explore an efficient way to recycle LS in order to protect the environments and save resources. Many available supplementary cementitious material...

Novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction with enhanced photocatalytic activity for water treatment and H2 production under simulated sunlight

10.1016/j.jhazmat.2018.03.044

2018-03-31

A novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction photocatalyst was engineered for the first time by in situ calcining and growing of cyanamide (CY) on the surface of TiO2. The HTCN-1 possesses good structure and performance when the addition am...

Silver Nanoparticle Modulates Gene Expressions, Glyoxalase System and Oxidative Stress Markers in Fluoride Stressed Cajanus cajan L

10.1016/j.jhazmat.2018.03.061

2018-03-30

Application of engineered nanomaterials has increased these days due to their beneficial impacts on several sectors of the economy, including agriculture. Silver nanoparticles (AgNP) are commonly used to improve rate of seed germination, and growth and develo...

Low Arsenic Bioaccessibility by fixation in Nanostructured Iron (Hydr)oxides: Quantitative identification of As-bearing phases

10.1016/j.jhazmat.2018.03.037

2018-03-29

A new analytical protocol was developed to provide quantitative, single-particle identification of arsenic in heterogeneous nanoscale mineral phases in soil samples, with a view to establishing its potential risk to human health. Microscopic techniques enable...

Enantiomer-specific stable carbon isotope analysis (ESIA) to evaluate degradation of the chiral fungicide Metalaxyl in soils

10.1016/j.jhazmat.2018.03.047

2018-03-29

Chiral pesticides are often degraded enantioselectively in soils, leading to disparity among enantiomers that may display different toxicity levels. Monitoring pesticide degradation extents and processes remains out of reach in the field using conventional bu...