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Start Over Author "Qu, Jianan Y." Journal biomedical optics express
8 results on '"Qu, Jianan Y."'

8. Two-photon excited hemoglobin fluorescence

Author

Zheng, Wei, Li, Dong, Zeng, Yan, Luo, Yi, and Qu, Jianan Y.

Abstract

We discovered that hemoglobin emits high energy Soret fluorescence when two-photon excited by the visible femtosecond light sources. The unique spectral and temporal characteristics of hemoglobin fluorescence were measured by using a time-resolved spectroscopic detection system. The high energy Soret fluorescence of hemoglobin shows the spectral peak at 438 nm with extremely short lifetime. This discovery enables two-photon excitation fluorescence microscopy to become a potentially powerful tool for in vivo label-free imaging of blood cells and vessels.

Published
2011

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