Publication: Sequence specific recognition of ssDNA by fluorophore 3-hydroxyflavone
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Date
2015-12-01T00:00:00Z
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Capan, Asli
BOSTAN, MEHMET HANEFİ
MOZIOGLU, Erkan
AKOZ, Muslum
Goren, Ahmet C.
EROĞLU, MEHMET SAYIP
Öztürk, Turan
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Abstract
A fully water soluble 3-hydroxyflavone (3HF) derivative, N-(3-hydroxy-4--flavonyl)-N,N,N-trimethylammonium sulfate (3HFNMe3) was synthesized. Investigation of its emissions at varying wavelengths revealed that it had three emission bands of normal (N*), anionic (A*) and tautomeric (T*), in ultrapure water. Recognition of single-stranded ten ssDNA chains, having different nucleotide sequences was studied, using the ratiometric change of the intensities of the two bands (A*/T*), depending upon the varying environment of the 3HFNMe3 with different ssDNA chains. Addition of the ssDNA chains to the 3HFNMe3 solution caused gradual quenching of the A* band and had almost no effect on the T*. band. As the ratios of the two bands (A*/T*) vs increasing amount of the ssDNAs generated characteristic curves for each ssDNA chain, it became possible to identify the chains with their characteristic curves. (C) 2015 Elsevier B.V. All rights reserved.
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Capan A., BOSTAN M. H. , MOZIOGLU E., AKOZ M., Goren A. C. , EROĞLU M. S. , Öztürk T., -Sequence specific recognition of ssDNA by fluorophore 3-hydroxyflavone-, JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, cilt.153, ss.391-396, 2015