Sequence symmetry as a tool for designing DNA nanostructures.
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DNA↗
Biomedical subjects
Zhaoxiang Deng
Publications and source records attributed to Zhaoxiang Deng.
DNA-encoded self-assembly of gold nanoparticles into one-dimensional arrays.
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DNA↗
DNA as nanoscale building blocks.
The use of DNA as programmable building blocks to achieve highly-definable nanostructures, termed as DNA nanotechnology, has offered great opportunities to control matter at a very small scale. Fast growing researches along this direction has led to the emergence of several significant branches of DNA nanotechnology. This review intends to summarize the recent developments in this area. Several topics will be discussed with a focus on the works from the authors' group, including (1) DNA self-assembly and DNA-directed self-assembly, (2) DNA nanomachines, (3) DNA-based electronics, (4) DNA assisted nanofabrications, and (5) DNA computations.
DNA↗
Two-dimensional hexagonally oriented CdCl2.H2O nanorod assembly: formation and replication.
This paper reports a simple bottom-up method that can controllably fabricate 2D hexagonally oriented and randomly distributed CdCl(2).H(2)O nanorods on mica surfaces. The as-formed nanorod assemblies have been successfully replicated into various matrixes, including gold, poly(dimethylsiloxane), and polyurethane. Thus, this method is compatible with soft-lithography towards further applications.
Cadmium Chloride↗
Molecular lithography with DNA nanostructures.
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Aluminum Silicates↗
Tensegrity: construction of rigid DNA triangles with flexible four-arm DNA junctions.
A tensegrity strategy has been explored to construct a rigid geometrical structure (triangles) from flexible DNA four-arm junctions. The resulting DNA triangles could self-assemble into 1D and 2D arrays. This tensegrity strategy is expected to play an important role in the design of biomimetic nanomaterials.
DNA↗
Selective synthesis and characterization of CdSe nanorods and fractal nanocrystals.
CdSe nanorods and dendritic fractals were synthesized through a novel controllable solution-phase hydrothermal method. Soluble selenite was employed to provide a highly reactive Se source in the synthesis. Both morphologies and phases of the CdSe products could be successfully controlled by choosing appropriate complexing agents to adjust the dynamics of the reaction process. Reaction temperature and Cd/Se ratio in raw materials were also important parameters influencing the morphologies and phases of the products. The phase structures, morphologies, and optical properties of the CdSe products were investigated by XRD, TEM, HRTEM, and UV-vis and photoluminescence spectroscopies. The formation mechanisms of the nanorods and fractals were investigated and discussed on the basis of the experimental results.
Journal Article↗
Photoluminescence of tetragonal ZrO(2) nanoparticles synthesized by microwave irradiation.
Polymer-stabilized tetragonal ZrO(2) nanopowders with average size of ca. 2.0 nm have been prepared by microwave heating in an aqueous solution containing Zr(NO(3))(4) x 5H(2)O, PVA, and NaOH. The photoluminescence of the synthesized ZrO(2) fine particles has been investigated.
Journal Article↗
Study on the spectroelectrochemical properties of S-benzyl-N-(ferrocenyl-1-methyl-metylidene)-dithio-carbazate nickel (II) complex.
Mechanism of electron transfer of a bridge biferrocene complex, Ni(LSB)2, derived from the Schiff base ligand, HLSB, S-benzyl-N-(ferrocenyl-1-methyl-metylidene)-dithio-carbazate Ni(LSB)2, during redox processes is illuminated by in-situ Fourier transform infrared (FTIR) spectroelectrochemistry. The results indicated that two consecutive one-electron steps were involved which gives the corresponding mono- and di-ferricenium cations, respectively. This complex exhibits moderately strong degree of electronic communication between the two-ferrocene moieties, taking place through the skeleton chain of the ligand due to an extensive electron delocalization in the molecule. Possible pathways of electron transfer of Ni(LSB)2 during the redox processes are postulated.
Electrochemistry↗