Integrating DNA-strand-displacement circuitry with self-assembly of spherical nucleic acids.
Integrating DNA-strand-displacement circuitry with self-assembly of spherical nucleic acids.
复制标题
将 DNA 链置换电路与球形核酸自组装相集成
DOI:
10.1021/jacs.5b07453
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发表时间:
2015-11
影响因子:
15
通讯作者:
Liang Haojun
中科院分区:
文献类型:
--
作者:
Yao Dongbao;Song Tingjie;Sun Xianbao;Xiao Shiyan;Huang Fujian;Liang Haojun
Programmable and algorithmic behaviors of DNA molecules allow one to control the structures of DNA-assembled materials with nanometer precision and to construct complex networks with digital and analog behaviors. Here we developed a way of integrating a DNA-strand-displacement circuit with self-assembly of spherical nucleic acids, wherein a single DNA strand was used to initiate and catalyze the operation of upstream circuits to release a single strand that subsequently triggers self-assembly of spherical nucleic acids in downstream circuits, realizing a programmable kinetic control of self-assembly of spherical nucleic acids. Through utilizing this method, single-nucleotide polymorphisms or indels occurring at different positions of a sequence of oligonucleotide were unambiguously discriminated. We provide here a sophisticated way of combining the DNA-strand-displacement-based characteristic of DNA with the distinct assembly properties of inorganic nanoparticles, which may find broad potential applications in the fabrication of a wide range of complex multicomponent devices and architectures.
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