Self-assembled DNA tetrahedral optofluidic lasers with precise and tunable gain control
Self-assembled DNA tetrahedral optofluidic lasers with precise and tunable gain control
复制标题
DOI：
10.1039/c3lc50629k
复制
发表时间：
2013-01-01
期刊：
影响因子：
6.1
通讯作者：
Fan, Xudong
中科院分区：
文献类型：
--
作者：
Chen, Qiushu;Liu, Huajie;Fan, Xudong
我们已经应用自组装DNA四面体纳米结构的精确和可调谐的控制增益的光流体荧光共振能量转移（FRET）激光器。通过调整四面体顶点上施主和受主的比例，激光阈值降低了3.8倍，激光效率提高了28倍。这项工作利用了具有明确结构和可寻址性的生物分子的自识别和自组装能力，使激光的纳米工程能够达到分子水平。
We have applied self-assembled DNA tetrahedral nanostructures for the precise and tunable control of the gain in an optofluidic fluorescence resonance energy transfer (FRET) laser. By adjusting the ratio of the donor and the acceptor attached to the tetrahedral vertices, 3.8 times reduction in the lasing threshold and 28-fold enhancement in the lasing efficiency were demonstrated. This work takes advantage of the self-recognition and self-assembly capabilities of biomolecules with well-defined structures and addressability, enabling nano-engineering of the laser down to the molecular level.