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1 article(s) from Barrois, Sebastian

Diarylethene-modified nucleotides for switching optical properties in DNA

Sebastian Barrois and
Hans-Achim Wagenknecht

Beilstein J. Org. Chem. 2012, 8, 905–914, doi:10.3762/bjoc.8.103

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Scheme 1: Spiropyran as DNA base surrogate 1, DNA base modifications 2 and 3, and diarylethene-modified nucle...

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Scheme 2: Synthesis of diarylethene-modified 2’-deoxyuridines 4 [30], 5 and 6.

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Figure 1: Photoswitching properties of nucleosides 4–6 (each 20 mM in MeCN, rt). Top: Irradiation of 4 at 242...

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Scheme 3: Synthesis of DNA building block 17 [30] and sequences of diarylethene-modified DNA1–DNA4.

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Figure 2: Irradiation of dsDNA2 at 310 nm (A, left) and plot of kinetic trace of absorption changes at 450 nm...

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Figure 3: UV–vis absorption spectra of ssDNA1–ssDNA4 (2.5 μM in 50 mM Na–Pi buffer, pH 7, 250 mM NaCl, rt).

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Published 20 Jun 2012

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