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Antibiotics

Chemistry In Pictures

Chemistry in Pictures: Attack of the nanoparticles

by Manny I. Fox Morone
December 22, 2020
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Most Popular in Pharmaceuticals

 

A cell of E. coli is surrounded by a cloudy collection of silver nanoparticles that are binding to its surface.
Credit: Submitted by Miguel Monge

This blobby E. coli bacterium was being harassed by a gang of silver nanoparticles latching onto its membrane. Miguel Monge is trying to use these nanoparticles to fight bacteria, provide an alternative to antibiotics, and, as a result, avoid the resistance to antibiotics that bacteria develop. Monge, a lecturer in inorganic chemistry at the University of La Rioja, captured this transmission electron microscope image of the nanoparticles binding to and ultimately puncturing E. coli’s membrane. His project aims to fine-tune nanoparticle size and concentration to make them more useful in fighting bacteria. The nanoparticles that make up this swarm are about 5 nm in diameter.

Submitted by Miguel Monge. You can follow @_miguelmonge on Twitter.

Do science. Take pictures. Win money. Enter our photo contest here.

Click here to see more Chemistry in Pictures.

Chemical & Engineering News
ISSN 0009-2347
Copyright © 2024 American Chemical Society

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