PAPERS OF THE BIOPHYSICAL RESEARCH GROUP UTRECHT-DELFT 



thomas, j. b., The chloroplast as the photoreceptive mechanism in photo- 

 synthesis. Transactions of the Conference on the use of Solar Energy. 

 Scientific Basis 4, 130. 



1956 

 duysens, l. x. m.. The flattening of the absorption spectrum of suspensions, as 

 compared to that of solutions. Biochim. et Biophys. Acta ig, 1. 



DUYSENS. L. X. M., HVISKAMP, W. J.. VOS, J. J. and HART. J. M. VAX DER. !<• - 



sible changes in bacteriochlorophyll in purple bacteria upon illumination. 

 Biochim. et Biophys. Acta ig, 188. 



duysens. l. n. m., Energy transformations in photosynthesis. Ann. Rev. Plant 

 Physiol. 7, 25. 



goedheer, j. c. Orientation of chlorophyll molecules in the chloroplast. 

 Proc. 1 st Intern. Photobiological Congress, Amsterdam p. 342. 



komex, j. g.. Observations on the infrared absorption spectrum of bacterio- 

 chlorophyll. Biochim. et Biophys. Acta 22. 9. 



thomas, j. b.. On the structure of the photosynthetic apparatus. Proc. 1st 

 Intern. Photobiological Congress, Amsterdam p. 339. 



thomas. j. b.. De bouw van het photosyntheseapparaat in verband met de 

 functie der pigmenten. Landbouwk. Tijdschr. 68, 537. 



thomas. j. b., goedheer, j. c. and komex, j. g., pH-Depenclence of bac- 

 teriochlorophyllfluorescence in aqueous extracts of purple bacteria. Bio- 

 chim. et Biophys. Acta 22. 342. 



thomas, j. b., goedheer, j. c. and komex, j. g., pH-Induced changes of the 

 infrared absorption spectra of purple bacteria. Biochim. et Biophys. 

 Acta 22, 1. 



wtlliams, a. m.. Light-induced uptake of inorganic phosphate in cell-free 

 extracts of obligately anaerobic photosynthetic bacteria. Biochim. et 

 Biophys. Acta ig, 570. 



wtlliams. a. m.. Fluorescence of suspensions of green sulphur bacteria. Bio- 

 chim. et Biophys. Acta ig, 571. 



553 



