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Showing 1–5 of 5 results
Advanced filters: Author: Guangbao Yao Clear advanced filters

  • Single-stranded DNA encoders containing polyadenine domains endow colloidal gold nanoparticles with programmable bond valence, orthogonality and reconfigurability, thus achieving post-synthetic control over colloidal structures.

    • Guangbao Yao
    • Jiang Li
    • Chunhai Fan
    Research
    Nature Materials
    Volume: 19, P: 781-788

  • A six-helix bundle DNA structure called meta-DNA has now been assembled and shown to possess some structural properties similar to those of single-stranded DNA. Two meta-DNAs containing complementary ‘meta-base pairs’ are shown to form double helices. Meta-DNA building blocks are also used to construct a series of DNA architectures and to perform a hierarchical strand-displacement reaction.

    • Guangbao Yao
    • Fei Zhang
    • Hao Yan
    Research
    Nature Chemistry
    Volume: 12, P: 1067-1075

  • PolyA can selectively bind to AuNPs with similar affinity to thiolated DNA and better control of the surface density of DNA, which results in the formation of monovalent DNA-gold nanoparticle conjugates . mDNA–AuNPs with in a click chemistry-like manner.

    • Guangbao Yao
    • Hao Pei
    • Chunhai Fan
    ResearchOpen Access
    NPG Asia Materials
    Volume: 7, P: e159

  • In this work, we report a strategy to build programmable atom equivalents (PAEs) with tailorable DNA bond length and bond energy using DNA encoders carrying consecutive adenines (polyA). We find that the bond length and bond energy can be tuned by programming the topologic configurations of the DNA encoders, which lead to differently leveled bonds and asymmetric PAEs allowing for directional, hierarchical assembly of multi-particle structures. This programmable bonding system may provide a new route for building complex plasmonic superstructures.

    • Xiaoliang Chen
    • Xiaoguo Liu
    • Jiang Li
    ResearchOpen Access
    NPG Asia Materials
    Volume: 12, P: 1-10