Fig. 3

H&E stain response of stain assessment slides and human liver tissue. (a) Stain response scatterplot comparing median Red (R), Green (G) and Blue (B) colour values of human liver tissue against biopolymer film on stain assessment slides, stained with H&E between 15 s and 6 min (equal duration for each stain). Five slides were stained at each stain duration, with linear trend-lines applied. (b) Thumbnail images for visual comparison of stain response measured from whole slide images of human liver tissue and biopolymer film, stained with H&E from 1 – 6 min (equal duration for each stain)