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Fig. 1 | Biotechnology for Biofuels and Bioproducts

Fig. 1

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

Fig. 1

SEM images obtained using the secondary electron signal from untreated Norway spruce wood at A low magnification (100 ×) and B high magnification (50,000 ×). C Detail of a bordered pit obtained by SEM. D Internal tracheid structure revealed in a cross-section obtained by combined SEM–FIB

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