chemical staining การใช้

In the 1970s, Rowley used a new chemical staining technique developed in Sweden to discover that the Philadelphia chromosome's small size resulted from exchanges of pieces of genetic material.
Police and fire department officials were investigating the cause of the fire, but they believed that chemicals staining the rags and clothes might have reacted in the bags to cause the fire . ( sk)
Beginning with his 1971 Paris photographs printed using chemical staining to create works full of strange presences while under the influence of LSD, Polke exploited the photographic process as a means to alter " reality . " He combined both negatives and positives with images that had both vertical and horizontal orientations.