Optical metabolic imaging of live tissue cultures

Alex J. Walsh; Rebecca S. Cook; Carlos L. Arteaga; Melissa C. Skala

doi:10.1117/12.2001863

22 February 2013 Optical metabolic imaging of live tissue cultures

Alex J. Walsh, Rebecca S. Cook, Carlos L. Arteaga, Melissa C. Skala

Proceedings Volume 8588, Multiphoton Microscopy in the Biomedical Sciences XIII; 858820 (2013) https://doi.org/10.1117/12.2001863
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

The fluorescence properties, both intensity and fluorescence lifetime, of NADH and FAD, two coenzymes of metabolism, are sensitive, high resolution measures of cellular metabolism. However, often in vivo measurements of tissue are not feasible. In this study, we investigate the stability over time of two-photon auto-fluorescence imaging of NADH and FAD in live-cultured tissues. Our results demonstrate that cultured tissues remain viable for at least several days post excision. Furthermore, the optical redox ratio, NADH fluorescence lifetime, and FAD fluorescence lifetime do not significantly change in the cultured tissues over time. With these findings, we demonstrate the potential of sustained tissue culture techniques for optical metabolic imaging.

Citation Download Citation

Alex J. Walsh, Rebecca S. Cook, Carlos L. Arteaga, and Melissa C. Skala "Optical metabolic imaging of live tissue cultures", Proc. SPIE 8588, Multiphoton Microscopy in the Biomedical Sciences XIII, 858820 (22 February 2013); https://doi.org/10.1117/12.2001863

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