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Anomalous electrophoretic behavior of purine and pyrimidine derivatives in triethylammonium buffers

✍ Scribed by E.G. Brown; B.S. Mangat

Book ID
107710723
Publisher
Elsevier Science
Year
1966
Tongue
English
Weight
159 KB
Volume
15
Category
Article
ISSN
0003-2697

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## Replacing an oxygen atom of caffeine by a sulphur atom leads to a red-shift of the absorption spectrum. a quenching of fluorescence, an incrcnse in the phosphorescence quantum yield and a drastic shortening of the phosphorcecence lifetime. Polarization studies sh;w that phosphorescence transiti