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Wir berichten von der Entwicklung eines “Heterobasenpaars”, das durch Bildung einer Schiff'schen Base kovalent verknüpft wird. Diese Vernetzung erzeugt eine hohe Stabilisierung von DNA‐Doppelsträngen, aber kann aufgrund reversibler Iminchemie geöffnet werden. Darüber hinaus ist sogar der enzymatische Einbau der Vernetzung möglich. Unser Heterobasenpaar eröffnet neue Möglichkeiten zur Stabilisierung...
We report the development of a new heterobase that is held together through reversible bonding. The so‐formed cross‐link adds strong stabilization to the DNA duplex. Despite this, the cross‐link opens and closes through reversible imine bonding. Moreover, even enzymatic incorporation of the cross‐link is possible. The new principle can be used to stabilize DNA duplexes and nanostructures that otherwise...
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