Fig. 7From: Analyzing chemical changes in verdigris pictorial specimens upon bacteria and fungi biodeterioration using voltammetry of microparticlesDetail of the 1800–500 cm−1 IR region and position of the bands characteristic of marker compounds of bacterial and fungal materials: a egg tempera paint film specimens EG@BLANK, EG@Pc and EG@Ao, b egg–oil emulsion paint film specimens EO@BLANK, EO@Ac, and EO@ScBack to article page