Date20th, Aug 2023

Summary:

Researchers have developed “smart rust,” iron oxide nanoparticles that clean water by attracting pollutants such as oil, nano- and microplastics, glyphosate, and even estrogen hormones.

Full text:

Cleaning Water With ‘Smart Rust’ and Magnets

In this illustration, a “smart rust” nanoparticle attracts and traps estrogen molecules, which are represented by the floating objects. Credit: Dr. Dustin Vivod and Prof. Dr. Dirk Zahn, Computer Chemistry Center (CCC), Friedrich-Alexander-Universität Erlangen-Nürnberg

Researchers have developed “smart rust,” iron oxide nanoparticles that clean water by attracting pollutants such as oil, nano- and microplastics, glyphosate, and even estrogen hormones.

Pouring flecks of rust into water typically makes it dirtier. However, a groundbreaking development by researchers has led to the creation of “smart rust,” a type of iron oxide nanoparticle that can purify water. This smart rust has the unique ability to attract various pollutants, such as oil, nano- and microplastics, and the herbicide glyphosate, depending on the particles’ coating. What makes it even more efficient is its magnetic nature, which allows easy removal from water using a magnet, taking the pollutants along with it. Recently, the team has optimized these particles to capture estrogen hormones, which can be detrimental to aquatic life.

Presentation and Significance

The researchers presented their results at the fall meeting of the American Chemical Society (ACS). ACS Fall 2023 is a meeting that features about 12,000 presentations on a wide range of science topics.