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'fluorescence' in keywords Facet   section ZfN Section B:Volume 033  [X]
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1978 (3)
1Author    T. Platzner, J. K. ThomasRequires cookie*
 Title    Fluorescence and Proton Nuclear Magnetic Resonance Studies of Thallous Ions - Crown Ether Complexes in Organic Solvents  
 Abstract    The complexing of thallous ions (T1+), with the crown ether dibenzo 18 crown-6 poly-ether (DB) has been studied by NMR, fluorescence, and pulse radiolysis techniques. NMR data show a strong interaction of the T1+ ions with the aromatic moieties. This is also illustrated by a static quenching of the aromatic fluorescence by Tl + . The rates of reactions of T1+ with hydrated electrons eaq~ and pyrene excited singlet states are decreases on complexing the ion by the crown ether. 
  Reference    Z. Naturforsch. 33b, 614—618 (1978); received December 12 1977/March 13 1978 
  Published    1978 
  Keywords    Photochemistry, Fluorescence, Crown Ethers, Biology 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0614.pdf 
 Identifier    ZNB-1978-33b-0614 
 Volume    33 
2Author    Walter FabianRequires cookie*
 Title    Semiempirische SCF-Rechnungen an den angeregten Zuständen von Hydroxy Cumarinen Semiempirical SCF-Calculations of the Excited States of Hydroxycoumarines  
 Abstract    Semiempirical SCF-calculations show that the fluorescence bands of 7-hydroxycoumarin at 1.87 • 10 4 -1,92 • 10 4 cm -1 are most probably due to a phototautomeric form. A topo-logical rule is evaluated to explain the dependence of the fluorescence intensity upon the position of the hydroxyl group in the various isomeric hydroxycoumarines. 
  Reference    Z. Naturforsch. 33b, 628—631 (1978); eingegangen am 16. März 1978 
  Published    1978 
  Keywords    Hydroxycoumarines, Fluorescence, Phototautomerism, PPP-Calculations 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0628.pdf 
 Identifier    ZNB-1978-33b-0628 
 Volume    33 
3Author    Walter FabianRequires cookie*
 Title    W. Fabian * Eigenschaften von Molekülen in angeregten Zuständen 348 Properties of Molecules in Excited States  
 Abstract    Using bisisochinolin derivatives and related compounds it is shown that information about the fluorescent state can be obtained by comparison of experimental fluorescence data and calculated energies of the Si-state assuming various geometries. 
  Reference    Z. Naturforsch. 33b, 332—335 (1978); eingegangen am 7. September 1977 
  Published    1978 
  Keywords    Excited States, Fluorescence, PPP-Calculations, Phototautomerism, Bisisochinolin Deri-vatives 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0332.pdf 
 Identifier    ZNB-1978-33b-0332 
 Volume    33