A framed photo of DNA: A pair of photoresponsive oligonucleotides containing azobenzene moieties was introduced into double-stranded DNA within the cavity of a DNA nanostructure (see scheme). The two dsDNAs, in contact at the center, were dissociated using UV irradiation and hybridized with visible light; this was directly observed using high-speed atomic force microscopy.
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Endo et al. (2012) studied this question.
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