Near-IR irradiation of the S2 state of the water oxidizing complex of photosystem II at liquid helium temperatures produces the metalloradical intermediate attributed to S1Y(Z*).
Koulougliotis D, Shen JR, Ioannidis N, Petrouleas V.
Koulougliotis D, et al. Among authors: ioannidis n.
Biochemistry. 2003 Mar 18;42(10):3045-53. doi: 10.1021/bi027051o.
Biochemistry. 2003.
PMID: 12627971
The whole phenomenology of the g = 2.035 signal production is analogous to the effects of NIR excitation on the S3 state [Ioannidis, N., Nugent, J. H. A., and Petrouleas, V. (2002) Biochemistry 41, 9589-9600] producing an S2'Y(Z*) intermediate. ...
The whole phenomenology of the g = 2.035 signal production is analogous to the effects of NIR excitation on the S3 state [Ioannidis, …