Irvine, Calif., Feb. 23, 2023 – People typically affiliate Escherichia coli with contaminated food stuff, but E. coli has prolonged been a workhorse in biotechnology. Experts at the College of California, Irvine have shown that the bacterium has additional price as section of a method to detect hefty metallic contamination in h2o. E. coli show a biochemical reaction in the existence of steel ions, a slight modify that scientists were being in a position to observe with chemically assembled gold nanoparticle optical sensors. As a result of a device-learning investigation of the optical spectra of metabolites released in reaction to chromium and arsenic publicity, the researchers were being in a…