Cornell University scientists have characterized the genome of a metal-loving bacteria with an affinity for rare earth elements . The research paves the way towards replacing the harsh chemical processing of these elements with a benign practice called biosorption. Rare earth elements are critical materials in electric cars , wind turbines and smartphones. Today, retrieving these metals from raw ore requires processing with acids and solvents.
oneidensis prefers consuming the f-block elements residing in the sixth row of the periodic table, known as the lanthanides. Specifically, the microbe favors europium. Characterizing the S. oneidensis’s genome allows scientists to tweak its preference for processing the other rare earth elements. This work has the potential to make processing rare earths cleaner and scalable, said lead author Sean Medin, a doctoral student in Barstow’s lab.
Source: Education Headlines (educationheadlines.net)
Cornell University Genome Metal-Loving Bacteria Biosorption Rare Earth Elements Electric Cars Wind Turbines Smartphones Chemical Processing
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