Fig. 3From: Nano-mechanical characterization of the wood cell wall by AFM studies: comparison between AC- and QI™ modeHeight- and Young’s Modulus image of a compound middle lamella scanned at two perpendicular directions. a, c 0° scan direction perpendicular to the structures and b, d 90° scan direction in line with the structures. The cutting direction is perpendicular to the compound middle lamellaBack to article page