PAPERS OF THE BIOPHYSICAL RESEARCH GROUP UTRECHT-DELFT 



katz, e. and wassink, e. c, Infrared absorption spectra of chlorophyllous 



pigments in living cells and in extra-cellular states. Enzymologia 7, 97. 

 ornstein, l. s., Natuurkunde en Biologic Handel. XXVII Nederland. Nat. 



Geneesk. Congr. p. 47. 

 wassink, e. c. and katz, e., The initial changes of chlorophyll fluorescence in 



Chlorella. Enzymologia 6, 145. 

 wassink, e. c, katz, e. and dorrestein, r., Infrared absorption spectra of 



various strains of purple bacteria. Enzymologia 7, 113. 



1940 



schouwenburg, k. l. van, On the catalase content of luminous bacteria. 

 Enzymologia 8, 344. 



schouwenburg. k. l. van and burg, a. van der, On the influence of carbon 

 monoxide on respiration and light emission of luminous bacteria. Enzym- 

 ologia p, 34. 



1942 



dorrestein, r.. wassink, e. c. and katz. e.. Theoretical considerations 

 concerning the relation between photosynthesis and fluorescence of bacter- 

 iochlorophyll in purple sulphur bacteria with an outlook on the compar- 

 ative physiology of photosynthesis. Enzymologia 10, 355. 



katz, e.. wassink, e. c. and dorrestein, r., On some methodical problems 

 in the study of photosynthesis of unicellular organisms. Enzymologia 10, 

 269. 



kerk, g. j. m. van der, Onderzoekingen over de bioluminescentie der licht- 

 bacterien. Thesis. Utrecht. 



kluyver, a. j., Het bioluminescentieproces der lichtbacterien. Verslag ge- 

 wone Vergader. Afdeel. Natuurk. Nederland. Akad. Wctenschap. 5/, 50. 



kluyver, a. j.. kerk. g. j. m van der and burg. a. van der. The effect of 

 radiation on light emission by luminous bacteria. Proc. Ned. Akad. Weten- 

 schap. 45, 886. 



manten. a.. The isolation of Chromatium okenii and its behaviour in different 

 media. Antonie van Leeuwenhoek 8, 164. 



wassink, e. c, On the ratio between the uptake of carbon dioxide and of the 

 hydrogen donor in purple sulphur bacteria. Enzymologia 10, 257. 



wassink, e. c, katz, e. and dorrestein, r., On photosynthesis and fluores- 

 cence of bacteriochlorophyll in Thiorhodaceae. Enzymologia 10, 285. 



wassink, e. c. and manten, a., Some observations on the utilization of organic 

 compounds by purple sulphur bacteria. Antonie van Leeuwenhoek 8, 155. 



1943 

 burg. a. van der, Spektrale onderzoekingen over chemo- en bioluminescentie. 

 Thesis, Utrecht. 



549 



