Hexavalent chromium is a highly soluble environmental contaminant. It is a widespread
anthropogenic chromium species that is 100 times more toxic than trivalent chromium …

Chromium (Cr) affects human health if it accumulates in organs to elevated concentrations.
The toxicity risk of Cr in the ecosphere depends upon the dominant Cr species and their …

A colorimetric-electrochemical dual-mode analytical method based on bismuth metal-
organic framework nanozyme was developed for label-free and trace/ultra-trace Cr 6+ …

The dense surface passivation layer on zero-valent iron (ZVI) restricts its efficiency for water
decontamination, causing a poor economy and waste of resources. Herein, we found that …

The objective of this study is to transform chitosan biopolymer by crosslinking with barbituric
acid into an amine-rich product that could be applied as a water treatment agent. Chitosan …

Rapid economic development leads to environmental pollution with widespread pollutants
including heavy metals, chemical particulates, untreated industrial sewage, and …

During the tannery production process, huge quantities of waste especially chrome shaving
are produced and are being discharged directly into the environment of Bangladesh. To …

Chromium (Cr) is one of the most detrimental heavy metals, the concentration of which has
increased significantly in nature in the last century. Cr pollution can cause toxic and harmful …

Chromium (Cr) is the seventh most abundant chemical element in the Earth's crust, and Cr
(III) and Cr (VI) are common stable valence states of Cr. Several Cr-containing substances …

Nanozymes, which can be defined as nanomaterials with excellent catalytic function, are
well known to the scientific community due to their distinct merits, such as low cost and high …