Independent control over size, valence, and elemental composition in the synthesis of DNA-nanoparticle conjugates.

Independent control over size, valence, and elemental composition in the synthesis of DNA-nanoparticle conjugates.
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DNA 纳米粒子缀合物合成中对尺寸、价态和元素组成的独立控制

DOI:
10.1039/c9sc05656d
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发表时间:
2020-01-02
期刊:
影响因子:
8.4
通讯作者:
Zimmerman SC
Zimmerman SC
中科院分区:
化学1区
文献类型:
--
作者:
Bai Y;Xing H;Bai Y;Tan LH;Hwang K;Li J;Lu Y;Zimmerman SC

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DNA-纳米颗粒偶联物在传感、成像和作为设备组件方面得到了广泛的应用。然而,它们的合成仍然相对复杂和基于经验,通常需要针对不同大小、价态和元素组成的共轭化合物进行专门的方案。在这里,我们报道了一种新的、自下而上的合成DNA-纳米颗粒结合物的方法,该方法基于开环歧化聚合(ROMP)、分子内交联和模板合成。用大小、价态和元素组成作为三个独立的合成参数,可以用一种简单而通用的方法得到各种共轭化合物。举例说明了这些共轭化合物作为传感探针、自组装的构建块以及作为结构-性质关系研究的模型粒子的用途。DNA-纳米颗粒偶联物可以通过基于模板的策略独立控制尺寸、价态和元素组成来合成。
DNA–nanoparticle conjugates have found widespread use in sensing, imaging, and as components of devices. However, their synthesis remains relatively complicated and empirically based, often requiring specialized protocols for conjugates of different size, valence, and elemental composition. Here we report a novel, bottom-up approach for the synthesis of DNA–nanoparticle conjugates, based on ring-opening metathesis polymerization (ROMP), intramolecular crosslinking, and template synthesis. Using size, valence, and elemental composition as three independent synthetic parameters, various conjugates can be obtained using a facile and universal procedure. Examples are given to show the usefulness of these conjugates as sensing probes, building blocks for self-assembly, and as model particles for structure–property relationship studies. DNA–nanoparticle conjugates can be synthesized with independent control over size, valence and elemental composition using a template-based strategy.
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