Naofumi Higashiyama

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In this study, we investigated the stability and structure of artificial base pairs that contain cyclohexyl rings. The introduction of a single pair of isopropylcyclohexanes into the middle of DNA slightly destabilized the duplex. Interestingly, as the number of the "base pairs" increased, the duplex was remarkably stabilized. A duplex with six base pairs(More)
Here, we investigated spectroscopic behaviors of tetramethylrhodamine (TMR) homo- and hetero-dimers within DNA duplex. In order to shield the chromophores from natural base pairs, we used cyclohexyl base pairs as 'insulators'; these pairs were inserted between the chromophores and nucleobases. When a single TMR moiety was sandwiched between cyclohexyl base(More)
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