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Self-Assembling Peptide Detergents Stabilize Isolated Photosystem Ion a Dry Surface for an Extended Time

Figure 2

The −196.15 °C Steady-State Emission Spectra of PS-I

(A) The solution spectrum of PS-I shows characteristic far-red fluorescence at the approximately 735-nm region, while dried PS-I shows a peak at approximately 683 nm.

(B) Emission spectra of samples containing DM retained partially their far-red fluorescence, but still showed a significant increase in fluorescence at approximately 683 nm. Additionally, the far-red fluorescence demonstrated a significant blueshift.

(C) Comparable changes are evident in the spectra of samples containing OG as seen in DM (B).

Figure 2

doi: https://doi.org/10.1371/journal.pbio.0030230.g002