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. 2019 Dec 6;7:386. doi: 10.3389/fbioe.2019.00386

Figure 4.

Figure 4

(A) Fluorescence lifetime imaging (FLIM) image of each near-infrared (NIR)-emitting 2D encoded microbeads. The scale bar indicates 10 μm, which is also applicable for (C). (B) Lifetime distribution of NIR-emitting 2D encoded microbeads (inset: unmixed FLIM image). (C) Merged fluorescence emission spectra image of each NIR emitting 2D encoded microbeads with multi-emission (pseudo-colored red: 700 nm; pseudo-colored green: 760 nm). (D) Fluorescence emission spectra of NIR-emitting 2D encoded microbeads (Chen et al., 2014). Reproduced with permission. Copyright 2014 John Wiley and Sons.