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Träfflista för sökning "WFRF:(Zhang Wensheng) srt2:(2018)"

Sökning: WFRF:(Zhang Wensheng) > (2018)

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1.
  • Chen, Liangliang, et al. (författare)
  • User-Friendly Genetic Conditional Knockout Strategies by CRISPR/Cas9
  • 2018
  • Ingår i: STEM CELLS INTERNATIONAL. - : HINDAWI LTD. - 1687-966X .- 1687-9678.
  • Tidskriftsartikel (refereegranskat)abstract
    • Loss-of-function studies are critically important in gene functional analysis of model organisms and cells. However, conditional gene inactivation in diploid cells is difficult to achieve, as it involves laborious vector construction, multifold electroporation, and complicated genotyping. Here, a strategy is presented for generating biallelic conditional gene and DNA regulatory region knockouts in mouse embryonic stem cells by codelivery of CRISPR-Cas9 and short-homology-arm targeting vectors sequentially or simultaneously. Collectively, a simple and rapid method was presented to knock out any DNA element conditionally. This approach will facilitate the functional studies of essential genes and regulatory regions during development.
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2.
  • Du, Haifeng, et al. (författare)
  • Interaction of Individual Skyrmions in a Nanostructured Cubic Chiral Magnet
  • 2018
  • Ingår i: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 120:19
  • Tidskriftsartikel (refereegranskat)abstract
    • We report direct evidence of the field-dependent character of the interaction between individual magnetic skyrmions as well as between skyrmions and edges in B20-type FeGe nanostripes observed by means of high-resolution Lorentz transmission electron microscopy. It is shown that above certain critical values of an external magnetic field the character of such long-range skyrmion interactions changes from attraction to repulsion. Experimentally measured equilibrium inter-skyrmion and skyrmion-edge distances as a function of the applied magnetic field shows quantitative agreement with the results of micromagnetic simulations. The important role of demagnetizing fields and the internal symmetry of three-dimensional magnetic skyrmions are discussed in detail.
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