Although trace elements are essential for life, environmental contamination due to metal accumulation and overuse in various sectors, such as healthcare, agriculture, industry, cosmetics, poses significant health concerns. Exposure of plants heavy metals leads the overproduction reactive oxygen species (ROS) their ability change mitochondrial membrane permeability restrict action ROS clearance ...

background and aims: the removing of (potential) toxic heavy metal ions from sewage, especially in industrial and mining waste effluents, has been widely studied in recent years. the aim of present study was to investigate the various methods for lead removal of lead ions from industrial wastewater. methods: this study was a review research. data were collected through different databases in va...

nickel (ni) is a heavy metal and soil pollutant but existence of small amount of it as a metallic part of urease enzyme in the plants is necessary. remediation of spots contaminated with heavy metals is particularly challenging. phytoremediation, the use of plants for environmental restoration, is a novel clean up technology. in this study, five levels of nickel [control (ni0), ni125, ni250, ni...

heavy metal pollution by natural factors is a world-wide phenomenon. release of large quantities of heavy metals without handling proper processes that could decrease the concentration of such a material is a hassle that makes strains resistant to these heavy metals apart from entering into human food chain. in this research, wastewater of four firms in guilan province such as foolad, risandegi...

environmental stresses are one of the most important factors of agricultural products reduction in the world. the influence of different concentrations of nickel nitrate (0, 100, 200 and 500 μm in hoagland’s solution) on dry matter, catalase enzyme, flavonoids, hydrogen peroxide, peroxidase enzyme, mda and accumulation of ni were studied in coriander ( coriandrum sativum ) plants. treatment wit...

an increase in heavy metal pollution in the soils of arak due to industrialization and urbanization has become an environmental problem. the region hosts several industrial facilities which are the main source for hazardous wastes which include electric, metal, automotive supply industry, food, machinery, and chemicals. soil samples were collected from these industrial areas in the central and ...

background: welding is one of the most exercised industrial processes which welders are exposed to chemical and physical hazardous agents. this study was conducted to evaluate occupational and environmental exposures to aerosols generated by welding processes in a factory. methods: a total of 28 samples of aerosols were collected at 4 different locations including indoor, outdoor, source of wel...

background: heavy metals (hms) are one of the most important polluting substances emitted to the environment during cement production. tehran cement factory located in the southeastern of tehran, iran, closer to agricultural lands cultivates alfalfa, barley, and maize as feed. the objective of the study was to determine the concentration of hms in agricultural soils. methods: thirty six soil sa...

metal pollution has become one of the most serious environmental problems resulting from human activity. phytoremediation utilizes plants to uptake contaminants and can potentially be used to remediate metal-contaminated sites. the present study investigates heavy metal uptake (cd, cr, and ni) from soil by different organs of populus alba and morus alba. for this purpose, cd (40, 80, and 160 m...