Garrett Fox writes: University of Cincinnati researchers describe a method of getting photosynthesis from a high-surface-area foam containing enzymes that produce sugar using light and CO2. (Abstract). Oddly, the foam itself is derived from a species of frog. More interesting is that the technique doesn't use whole cells or apparently even chloroplasts. The researchers claim "chemical conversion efficiencies approaching 96%", as well as tolerance for deliberately high-CO2 environments.
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