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Fig. 5 | Biotechnology for Biofuels

Fig. 5

From: Visualizing chemical functionality in plant cell walls

Fig. 5

(Left Column) FLIM images of lignin in poplar cell walls from lignin’s autofluorescence (reprinted from [76] with permission). Comparison of untreated (a) and maleic acid-pretreated (b–e) poplar cell wall is shown. (Middle Column) Overall lignin fluorescence decay lifetime distribution across all the cell wall layers (gray). The two red curves are the two fitted Gaussian peaks by fitting the overall histogram, representing the dense and loose lignin in cell walls. (Right Column) Lignin fluorescence lifetime distributions within individual cell wall layer (CC cell corner; CML compound middle lamella; and SW secondary wall). Scale bar = 10 µm

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