Scientific Paper
Detecting gold biomineralization by delftia acidovorans biofilms on a quartz crystal microbalance
Summary
Biofilms of the bacterium Delftia acidovorans neutralise toxic gold ions by releasing a peptide that forms extracellular gold nanoparticles. QCM, with atomic force microscopy, crystal violet staining and optical microscopy, measures this biomineralisation in real time on the biofilm, revealing its kinetics and the conditions for the highest yield, with prospects for heavy-metal sensing and gold recovery from waste.
Summary written by the openQCM team. The original abstract is on the publisher’s page.
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