Two-photon excitation of hypocrellin A

Jian Liu; Yuewei Zhao; Jinquan Zhao; Andong Xia; Lijin Jiang

doi:10.1117/12.483009

12 September 2002 Two-photon excitation of hypocrellin A

Jian Liu, Yuewei Zhao, Jinquan Zhao, Andong Xia, Lijin Jiang

Proceedings Volume 4916, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment; (2002) https://doi.org/10.1117/12.483009
Event: Photonics Asia, 2002, Shanghai, China

Abstract

The two-photon excitation of hypocrellin A (HA) was examined at 800 nm. The two-photon excited fluorescence spectrum of HA was very similar to those obtained by one-photon excitation no matter whether or not the HA was dissolved in air-saturated or air-free solutions. The result showed that the two-photon induced photodynamic processes of HA will be almost the same as one-photon induced photodynamic processes. The two-photon excitation cross section of HA was measured at 800 nm as about 34.8 x 10-50 cm4s/photon .The large two-photon cross section of HA, suggested that the HA can be a potential two-photon phototherapeutic agent.

Citation Download Citation

Jian Liu, Yuewei Zhao, Jinquan Zhao, Andong Xia, and Lijin Jiang "Two-photon excitation of hypocrellin A", Proc. SPIE 4916, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment, (12 September 2002); https://doi.org/10.1117/12.483009

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