Monday, April 29, 2013

Lichens in ultraviolet light

Lichen shows different colors and fluorescence in ultraviolet light. This is a Common Orange Lichen (Xanthoria parietina) grown on a tree in a farming area. In visible light it has a yellow color, in long wave ultraviolet light a red and in short wave ultraviolet light a yellow to green color. The red fluorescence is produced by chlorophyll. 

In visible light:

Xanthoria parietina

In long wave ultraviolet light:
Xanthoria parietina uv light

In short wave ultraviolet light:

Xanthoria parietina uv light

This post is linked with Macro Monday and Orange Monday.

Sunday, April 28, 2013


This is Ibuprofen or in chemical words iso-butyl-propanoic-phenolic acid under the microscope and in polarized light (magnification 100x).

Ibuprofen microscope

microscopy medicin

medicin abstract


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