Abstract

The disturbed fluorescence response of the coenzyme NADH in biological tissues has been observed. The oscillation features of the NADH fluorescence decay (excitation at 337.1 nm, fluorescence at 460 ± 20 nm) for isolated cell membrane structures are different from that for cytoplasm. An analysis of the experimental data with the method of the system theory proves the nonlinear behavior of the fluorescence decay.

© 1993 Optical Society of America

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