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Figure 7 | Biotechnology for Biofuels

Figure 7

From: Multi-scale structural and chemical analysis of sugarcane bagasse in the process of sequential acid–base pretreatment and ethanol production by Scheffersomyces shehatae and Saccharomyces cerevisiae

Figure 7

Solid state13C CPMAS-TOSS nuclear magnetic resonance (NMR) spectra of sugarcane bagasse (SB). (a) Natural, (b) sulfuric acid pretreated, (c) sodium hydroxide pretreated, and (d) enzyme hydrolyzed SB. The numbers concern the assignments of the signals to specific chemical groups given in Rezende et al. [7]. CPMAS-TOSS, cross polarization under magic angle spinning and total suppression of spinning sidebands; NMR, nuclear magnetic resonance; SB, sugarcane bagasse.

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