Figure 4From: Effect of lignin content on changes occurring in poplar cellulose ultrastructure during dilute acid pretreatmentThe relative% cellulose crystalline allomorphs, paracrystalline cellulose and cellulose fibril surface. Para: paracrystalline cellulose; Inacc: Inaccessible fibril surface; Acc-1, Acc-2: Accessible fibril surface 1 and 2. Sample code with definition is in Table 1.Back to article page