Fig. 3From: Analyzing chemical changes in verdigris pictorial specimens upon bacteria and fungi biodeterioration using voltammetry of microparticlesSecondary electron image obtained in: a EG@BLANK, showing pores (asterisk) and protrusions (arrow); b EG@Tp showing an aggregate around fungal spore (asterisk) and microerosins (arrow); c EG@Ba, showing microcracks (arrow)Back to article page