Photo-pH dually modulated fluorescence switch based on DNA spatial nanodevice |
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| Authors: | Liu Huajie Zhou Yucheng Yang Yang Wang Wenxing Qu Li Chen Chen Liu Dongsheng Zhang Deqing Zhu Daoben |
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| Institution: | National Centre for Nanoscience and Technology, Beijing, China. |
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| Abstract: | In this paper, we describe our strategy on the design, construction, and characterization of a novel molecular device. By integrating a photoregulated fluorescent switch and a DNA-based nanomachine, the distance-dependent FRET process between fluorescein and photochromic moieties can be further modulated by the spatial output of a unique proton-driven DNA manomachine. This device could be reversibly switched in a reliable manner, and the fluorescence variation behavior, exhibited by this dually modulated fluorescence switch, can also mimic the function of a Boolean logic operation. |
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