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. 2018 Jan 8;9(2):453–471. doi: 10.1364/BOE.9.000453

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© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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Fig. 9 — NADH fluorescence lifetime characteristics of the multiple components of the normal and diseased human gastric antrum mucosa: comparison of different structural components including mucosal surface (MS), peripheral wall of gastric pits (PWGP), and interstitial tissue between gastric pits (ITGP). (A) The fluorescence lifetime of free NADH: τ₁. (B) The fluorescence lifetime of protein-bound NADH: τ₂. (C) The ratio of the amplitude coefficient of free NADH to that of protein-bound NADH: α₁/α₂. (D) The mean fluorescence lifetime: τ_mean. The error bars denote the SEM. ns: no significant difference; *: 0.01 <P < 0.05; **: 0.001 <P < 0.01; ***: P < 0.001, one-way ANOVA and Tukey’s multiple comparison test.