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Figure 1. Monitoring of photosynthetic oxygen production in cyanobacteria using ANA sensor ANA sensor was added to the culture of cyanobacteria, and the fluorescence of ANA sensor was monitored. Fluorescence of ANA sensor started to increase after 15 min of illumination, indicating the ANA sensor detected oxygen produced by cyanobacteria.

Genetically encoded oxygen sensor tracks changes in oxygen levels with very high sensitivity

In light of a protein from E. coli, researchers at Tokyo Tech have built up a fluorescent protein sensor ready to give ongoing data...