In the quest for fossil-free fuels for aircraft, a new study shows that isoprene could be part of a future solution. Isoprene can be produced by blue-green algae from sunlight, water and ordinary carbon dioxide. The productivity of the cyanobacteria increases if they are exposed to violet light or higher temperatures, and isoprene is ideally suited for photochemical processing into aviation fuels.
Using serial femtosecond crystallography performed with the XFEL technique, scientists have been able to see the crucial final step in the reaction cycle of Photosystem II, and managed to obtain more information on the interaction between Photosystem II and the Mn/Ca cluster. "Such a development is important for scaling up hydrogen production from water by sunlight or renewable electricity."
Researchers from several universities have, by studying helical molecules in the body such as DNA, received clues as to how energy production in fuel cells can be made more efficient without admixture of carbon dioxide and heavy metals. The new research shows how the helical molecules, found naturally in all oxygen-dependent life, catalyses energy production in the cells.
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