Fluorescence quenching kinetics of phenanthrene covalently bound to sodium poly(acrylate-co-acrylamide): Effects of ionic strength and counterion

Journal of Physical Chemistry

Volumn 100, Issue 37, 1996, Pages 15187-15197

  Morrison, Michael E ^a   Dorfman, R C ^a,b   Webber, S E ^a  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^b NETCOM Online Communications Services   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000122772     PISSN: 00223654     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp961348c     Document Type: Article

References (35)

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31. + concentration.
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33. 1+ yields v = 1.55, 1.17, and 0.96 for the 10, 20, and 40 Å tube, respectively. However, this fit is only fair, so these values only serve to illustrate the relation between tube size and nonlinearity.
34. For the quenching of tagged polyelectrolytes it has been observed in our early work that at low ionic strength it is the ratio of quencher ion concentration to polyelectrolyte repeating unit concentration that governed the quenching efficiency (see, for example, Figure 5 of: Delaire, J. A.; Rodgers, M. A. J.; Webber, S. E. J. Phys. Chem. 1984, 88, 6219).
35. b value we obtain is appropriate to the particular ionic strength of the solution used in the experiments.