Using gold particles to make the invisible visible

Gold nanoparticles give us a better understanding of enzymes and other molecules. Biswajit Pradhan, Ph.D. candidate at the Leiden Institute of Physics, uses gold nanorods to study individual molecules that would be challenging ...

New method of microbial energy production discovered

For all living things to succeed, they must reproduce and have the energy to do so. An organism's ability to extract energy from its surroundings-and to do it better than its competitors-is a key requirement of survival. ...

Sulfide-sensing mechanisms in purple bacteria

Recent evidence demonstrates that the origins of photosynthesis can be found in deep sea hydrothermal vents, where microbes evolved to obtain energy from ejected hydrogen sulfide and methane gases. These microbes are capable ...

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