800 



FLUORESCENCE OF PIGMENTS IN VITRO 



CHAP. 23 



<n 



UJ 



o 



< 

 o 



a. 

 o 



400 



500 



WAVE LENGTH 

 23.9A 



UJ r 

 o 



z 



UJ 



u 

 in 



UJ 



<r 

 o 



3 



_ Wo'er extract 

 \ 



600 



650 



WAVE LENGTH 

 23.9B 



700 



750 



Fig. 23.9A. Absorption (-) and fluorescence (--) spectra of pure phycoerythrin 

 Courtesy C. S. French (1951). 



Fig. 23.9B. Fluorescence spectrum of phycocyanin as derived from the spectrum of 

 a crude water exctract of a red alga by subtracting the fluorescence of phycoerythrin 

 Courtesy C. S. French (1951). 



