Dyes Open the Door to Modern Synthetic Drugs In the history of modern medicine, there is a famous dye complex, which originated from Nobel laureate and German scientist Paul Ehrlich. When studying cell dyeing, Ehrlich found that dyes are selective for different cells. So he believed that there should be a dye that can specifically dye cells infected by microorganisms and kill them. At a time when Germany’s chemical industry dominates the world, Ehrlich’s idea brought the chemical industry and the pharmaceutical industry together. Successfully discovered Salfoxan (an arsenic-containing compound) to treat syphilis. After that, Domak discovered the first antibacterial drug, Bailandox, This brought the German dye complex to a climax. They believed that only dyes can become drugs. However, Read More …