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  • Author(s):
    Wenzheng Kuang, Nicholas Kempf, Mortaza Saeidi-Javash, David Singh, Yanliang Zhang
    Abstract:

    Solution-processable semiconducting 2D nanoplates and 1D nanorods are attractive building blocks for diverse technologies, including thermoelectrics, optoelectronics, and electronics. However, transforming colloidal nanoparticles into high-performance and flexible devices remains a challenge. For example, flexible films prepared by solution-processed semiconducting nanocrystals are typically plagued by poor thermoelectric and electrical transport properties. Here, a highly scalable 3D conform…

    Date Published:
    2019-10
    Record Visibility:
    Public
  • Author(s):
    Sachwa Chong, Sergei M. Aksenov, Frabrice Dal Bo, Samuel N. Perry, Foteini Dimakopoulou, Peter C. Burns
    Abstract:

    Uranyl vanadate compounds with divalent cations, M(UO2)(V2O7) (M = Ca, Sr) and Sr3(UO2)(V2O7)2, were synthesized by flux crystal growth, and their crystal structures were solved using single-crystal X-ray diffraction data. Ca(UO2)V2O7 and Sr(UO2)V2O7 were synthesized from reactants with molar ratios M:U:V of 1:1:2 and identical heating conditions, and increasing the M:U:V ratio to 3:1:4 resulted in Sr3(UO2)(V2O7)2. Crystallographic data for M(UO2)V2O7 compounds are: a = 7.1774(18) Å, b = 6.77…

    Date Published:
    2019-07
    Record Visibility:
    Public
  • Author(s):
    Karen Torosyan, Alexey Sedegov, Kirill Kuskov, Mohammad Abedi, Dmitry Arkhipov, Philipp Kiryukhamtsev-Korneer, Stepan Vorotilo, Dmitry Moskovskikh
    Abstract:

    The influence of different SPS-based methods, that is, conventional spark plasma sintering (SPS), flash SPS (FSPS), and reactive SPS (RSPS) on the properties of Al2O3/SiC composite was investigated. It was shown that the application of preliminary high energy ball milling of the powders significantly enhances the sinterability of the ceramics. It was also demonstrated that FSPS provides unique conditions for rapid, that is, less than a minute, consolidation of refractory ceramics. The Al2O3-2…

    Date Published:
    2019-07
    Record Visibility:
    Public
  • Author(s):
    Wenzheng Kuang, Chaochao Dun, Yanliang Zhang
    Abstract:

    Flexible thermoelectric (TE) devices hold great promise for energy harvesting and cooling applications, with increasing signi cance to serve as perpetual power sources for exible electronics and wearable devices. Despite unique and superior TE properties widely reported in nanocrystals, transforming these nanocrystals into exible and functional forms remains a major challenge. Herein, demonstrated is a transformative 3D conformal aerosol jet printing and rapid photonic sintering process to pr…

    Date Published:
    2019-01
    Record Visibility:
    Public
  • Author(s):
    Tsuyoshi Tokusumi, Yumiko Tokusumi, Robert A. Schulz
    Abstract:

    Hedgehog (Hh) pathway signaling is crucial for the maintenance of blood cell progenitors in thelymph gland hematopoietic organ present in Drosophila third instar larvae. Previous studies fromour lab have likewise shown the importance of the mir-7 and bag of marbles (bam) genes in main-taining the progenitor state. Thus, we sought to investigate a possible interaction between the Hhpathway and mir-7/bam in the prohemocyte population within this hematopoietic tissue. Gain offunction mir-7 was a…

    Date Published:
    2018-04
    Record Visibility:
    Public
  • Author(s):
    Scott Shaw, Wenqi Liu, Cesar Fernando Azael Gomez Duran, Cynthia Schreiber, Maria de Lourdes Betancourt Mendiola, Canjai Zhai, Felicia Roland, Simon Padanilam, Bradley Smith
    Abstract:

    New fluorescent molecular probes, which can selectively target specific cell surface receptors, are needed for microscopy, in vivo imaging, and image guided surgery. The preparation of multivalent probes using standard synthetic chemistry can be a laborious process due to low reaction yields caused by steric effects. In this study, fluorescent molecular probes were prepared by a programmed non‐covalent pre‐assembly process that used a near‐infrared fluorescent squaraine dye to thread a macroc…

    Date Published:
    2018
    Record Visibility:
    Public