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The high mobility group proteins I and Y (HMGI/Y) are abundant components of chromatin. They are thought to derepress chromatin, affect the assembly and activity of the transcriptional machinery, and associate with constitutive heterochromatin during mitosis. HMGI/Y protein molecules contain three potential DNA-binding motifs (AT-hooks), but the extent of(More)
5,10,15,20-tetrakis(4-N-methylpyridyl)porphyrin, 5,10,15,20-tetrakis(2-N-methylpyridyl)porphyrin, and 5,10,15,20-tetrakis(4-trimethylammoniophenyl)porphyrin form self-assemblies with single-walled carbon nanotubes (SWNT) functionalized by polyaminobenzene sulfonic acid. Both steady-state and time-resolved emission studies revealed efficient quenching of the(More)
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