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Fig. 7 | Biotechnology for Biofuels and Bioproducts

Fig. 7

From: Structural changes and cellulose ultrastructure mapped with electron microscopy and SAXS after enzymatic hydrolysis of mildly steam pretreated Norway spruce

Fig. 7

SEM images obtained at high magnification (50,000 ×) using the secondary electron signal from Norway spruce wood subjected to different pretreatments and subsequent enzymatic hydrolysis. A STEX180°C/auto, B STEX210°C/auto, C STEX210°C/HAc, D STEX210°C/H3PO4, E STEX210°C/H2SO4, and F STEX210°C/SO2

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