Scientists Nathan Magarvey and his
team from McMaster University in Ontario discovered a bacteria that
can transform the presious toxic solution of gold into tiny gold nanoparticle.
poisonous ions in toxic solutions of gold into tiny nanoparticles of gold. When
the bacteria, delftia acidovorans was cultured in the
presence of gold solution the researcher discovered that the bacterial colonies
were covered with dark haloes of gold nanoparticle.
According to Frank Reith an
environmental microbiologist from University of Adelaide in Australia believes
that the molecule with which bacteria creates the particles could one day be
used to collect gold from mine waste, who is also working on gold-processing
bacteria but with a different bacterium, Cupriavidus
metallidurans which lives in biofilms of gold nuggets. The
bacteria detoxify dissolved gold by accumulating it in inert nanoparticles
inside their cells.
So, these two bacterium can be a useful tool for future
mining and detoxification.
Image:
1. http://fhs.mcmaster.ca/main/images/news_2013/gold_resistant_bacterium_640x640.jpg
2. http://www.inhabitat.com/wp-content/uploads/2010/02/goldnanoparticles-ed01.jpg
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