Potential
sources of renewable energy include protein complexes that are responsible for
photosynthesis. However, their efficiency in technical applications still
leaves much to be desired. For example, they cannot convert green light into
energy. A research team has successfully closed this so-called green gap by
combining a photosynthesis protein complex with a light-collecting protein from
cyanobacteria.
The
researchers stabilised these super complexes using short-chain chemical
crosslinkers that permanently fix the proteins at a very short distance from
each other. In the next step, they inserted them into appropriate electrode structure.
This
design enabled the researchers to use twice as many photons within the green
gap, compared to a system without any light collection complexes.
Posted by Dr. Tim Sandle, Pharmaceutical Microbiology Resources (http://www.pharmamicroresources.com/)
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