When light hits a painting, some photons are absorbed
by pigment molecules, which split apart.
Not exact matches
In nature, the Cyphochilus beetle, which is native to Southeast Asia, produces its ultra-white colouring not through
pigments, but
by exploiting the geometry of a dense network of chitin — a
molecule which is also found in the shells of molluscs, the exoskeletons of insects and the cell walls of fungi.
A Japanese group, led
by Kozo Hayaski of the Tokyo University of Education, isolated blue crystals from flower petals of the spiderwort (Commelina communis) and proposed that the crystals were composed of two
pigment molecules, one of which was an anthocyanin and the other a flavone — a yellow
pigment — joined to a magnesium metal ion.
Lentigo is characterized
by hyperpigmentation, or an overpopulation of
pigment molecules, that turns patches of the dog's skin black.