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Showing 1–10 of 10 results
Advanced filters: Author: Renren Chen Clear advanced filters

  • Nonlinear optical upconversion processes in nanoparticles, which convert long-wavelength light into short-wavelength emission, are promising for applications such as biological imaging, optical data storage and others. The flexible tuning of upconversion properties in core–shell nanoparticles now offers unprecedented control over the nonlinear optical properties of the nanoparticles.

    • Feng Wang
    • Renren Deng
    • Xiaogang Liu
    Research
    Nature Materials
    Volume: 10, P: 968-973

  • A design rule to synthesize organic molecules with a phosphorescence lifetime longer than 1 second is presented. The molecules form H aggregates that promote the stabilization of triplet excitons and persistent luminescence under ambient conditions.

    • Zhongfu An
    • Chao Zheng
    • Wei Huang
    Research
    Nature Materials
    Volume: 14, P: 685-690

  • Cryo-electron microscopy structures and mass spectrometry analyses show that TAR DNA-binding protein 43 (TDP-43) forms amyloid filaments with a distinct fold in type A frontotemporal lobar degeneration with TDP-43 pathology (FTLD-TDP) compared with TDP-43 filaments in type B FTLD-TDP and amyotrophic lateral sclerosis.

    • Diana Arseni
    • Renren Chen
    • Benjamin Ryskeldi-Falcon
    ResearchOpen Access
    Nature
    Volume: 620, P: 898-903

  • Lanthanide-doped nanocrystals can be used to upconvert infrared radiation into visible light, and are thought to be promising for a range of photonic and biological imaging applications. It is now shown that the upconversion efficiency can be improved by appropriately clustering the lanthanide ions on different structural sublattices.

    • Juan Wang
    • Renren Deng
    • Xiaogang Liu
    Research
    Nature Materials
    Volume: 13, P: 157-162

  • B cell response and antibody production are generally facilitated by CD4+ follicular helper (Tfh) cells. Here the authors identify a subset of CXCR5+PD1+CD8+ Tfh cells that is normally suppressed by STAT5 signaling, so that STAT5 deficiency in mice increases the number of these CD8+ Tfh cells and induces concomitant production of autoantibodies.

    • Yuhong Chen
    • Mei Yu
    • Demin Wang
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-15

  • IL-7R activation drives early B cell development, but the signalling is unclear. Here the authors show PLCγ is involved in IL-7R-induced mTOR activation via a DAG/PKC-dependent pathway, and that double deficiency of the two PLCγ isoforms arrests B cell development at the pre-pro-B stage in mice.

    • Mei Yu
    • Yuhong Chen
    • Demin Wang
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-18