Fig. 6From: A comparative study on the extraction effects of common agents on collagen-based binders in mural paintingsThe protein electropherogram obtained by extracting Ag-0 with each agent, in which lanes 1 and 6 were marker, lanes 5 and 10 were control, lanes 2–4 correspond to 2 M Urea, 0.5 M Acetic acid, and 2 M GuHCl, lane 7–9 were 2 M ammonia, 0.1 M AMBIC, and 0.1% TFABack to article page