Figure 3From: Blue and UV LED-induced fluorescence in cotton foreign matterA total of 13 types of cotton foreign matter and lint illuminated with blue LED and UV LED light. A) 6 types of cotton foreign matter illuminated with UV LED light. B) 7 types of cotton foreign matter illuminated with UV LED light. C) Lint illuminated with blue LED light. D) Lint illuminated with UV LED light.Back to article page