angela belcher

Virus batteries

by Gertrud U. Rey Lithium-ion batteries produce power when lithium ions flow from a negative electrode to a positive electrode through an electrolyte medium. The positive electrode is usually composed of a lithium compound and the negative electrode is typically graphite (crystalline carbon).

Viruses go green

Visualization of M13 virus (orange strand to the right) using the surface proteins (purple strands) to grab the carbon nanotubes and put them in order. Image credit: Matt Klug, Biomolecular Materials Group, MIT. This article was written for extra credit by a student in my recently concluded virology course. by Ian Blubaugh A team at MIT …

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