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The spectral (absorbance and fluorescence) characteristics of the solute (pesticide). [Pg.123]

Porphyrins are a class of aromatic molecules whose intense absorbance and fluorescence characteristics are influenced by their immediate surroundings (7-9) and, thus, readily reflect their interaction with other molecules. The large extinction coefficient (500,000 A/cm pathlength/M) of porphyrins allows for measuring small absorbance changes ideal for optical detection applications. [Pg.59]

See other pages where Absorbance and fluorescence characteristics is mentioned: [Pg.512] [Pg.702] [Pg.420]