Structural stability of DNA origami nanostructures under application-specific conditions.

Structural stability of DNA origami nanostructures under application-specific conditions.
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DOI:
10.1016/j.csbj.2018.09.002
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发表时间:
2018
影响因子:
6
通讯作者:
Keller A
Keller A
中科院分区:
生物学2区
文献类型:
--
作者:
Ramakrishnan S;Ijäs H;Linko V;Keller A

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随着DNA折纸技术的引入,以接近化学计量的产量快速合成几乎任意形状的分子纳米结构成为可能。该技术还提供了亚纳米范围内的绝对可寻址性,使得DNA折纸纳米结构对于功能物种如蛋白质、染料和纳米颗粒的受控排列具有高度吸引力的基底。因此,DNA折纸纳米结构已在基础和应用研究的许多领域中找到应用,从药物递送到生物传感到等离子体到无机材料合成。由于这些应用中的许多依赖于结构完整的、定义明确的DNA折纸形状,在许多应用相关的环境条件下DNA折纸稳定性的问题在过去几年中受到越来越多的关注。在这篇简短的综述中,我们讨论了DNA折纸纳米结构在生物物理学和生物化学,生物医学和材料科学领域相关的不同条件下的结构稳定性,变性和降解,以及提高其稳定性以满足所需应用的方法。
With the introduction of the DNA origami technique, it became possible to rapidly synthesize almost arbitrarily shaped molecular nanostructures at nearly stoichiometric yields. The technique furthermore provides absolute addressability in the sub-nm range, rendering DNA origami nanostructures highly attractive substrates for the controlled arrangement of functional species such as proteins, dyes, and nanoparticles. Consequently, DNAorigami nanostructures have found applications in numerous areas of fundamental and applied research, ranging from drug delivery to biosensing to plasmonics to inorganic materials synthesis. Since many of those applications rely on structurally intact, well-definedDNA origami shapes, the issue of DNA origami stability under numerous application-relevant environmental conditions has received increasing interest in the past few years. In this mini-review we discuss the structural stability, denaturation, and degradation of DNA origami nanostructures under different conditions relevant to the fields of biophysics and biochemistry, biomedicine, and materials science, and the methods to improve their stability for desired applications.
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