Fig. 3From: Novel nanomaterials to stabilise the canvas support of paintings assessed from a conservator’s point of viewGloss change (GU) and standard error mean bars (SEM = SD/√n), using Student’s t-distribution for paired variables (n = 9), after product application. A negative value indicates that the surface has become less glossy (a bit more matt), while a positive value indicates that the surface has become glossierBack to article page