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  • Author(s):
    Quinnan Zhang, Shuangjiang Luo, Jennifer Weidman, Ruilan Guo
    Abstract:

    Abstract Zeolite imidazole framework (ZIF-90) nanoparticles were chemically modified by grafting triptycene moieties. The modified nanoparticles were introduced into a triptycene-based polyimide as fillers to generate mixed matrix membranes (MMMs) for gas separation. The incorporation of “hook-like” triptycene moieties in both dispersed and continuous phases led to intimate contact between the two phases and thus defect-free interfacial morphology, due to the supramolecular interlocking and π…

    Date Published:
    2020-07
    Record Visibility:
    Public
  • Author(s):
    Minxiang Zeng, Wenzheng Kuang, Irfan Khan, Dali Huang, Yipu Du, Mortaza Seidi-Javash, Lecheng Zhang, Zhengdong Cheng, Anthony Hoffman, Yanliang Zhang
    Abstract:

    Printing techniques using nanomaterials have emerged as a versatile tool for fast prototyping and potentially large-scale manufacturing of functional devices. Surfactants play a significant role in many printing processes due to their ability to reduce interfacial tension between ink solvents and nanoparticles and thus improve ink colloidal stability. Here, a colloidal graphene quantum dot (GQD)-based nanosurfactant is reported to stabilize various types of 2D materials in aqueous inks. In pa…

    Date Published:
    2020-11
    Record Visibility:
    Public
  • Author(s):
    Yini Zhu, Jiling Wen, Jiling Huang, Jackson Mittlesteadt, Xiaofei Wen, XinLu
    Abstract:

    Background: Recent genomic profiling has identified a subtype of prostate cancer (PCa) characterized by two key genetic alterations: missense mutation of speckle-type POZ protein (SPOP) and homozygous deletion of chromodomain helicase DNA-binding protein 1 (CHD1). Mutually exclusive with E26 transformation-specific (ETS) rearrangements, this subtype displays high genomic instability. Previous studies indicate that deficient SPOP or CHD1 alone leads to feeble prostate abnormalities and each pr…

    Date Published:
    2020-09
    Record Visibility:
    Public
  • Author(s):
    Kimberly Curtis, Alyssa Oberman, Glen Niebur
    Abstract:

    Bone marrow is a cellular tissue that forms within the pore space and hollow diaphysis of bones. As a tissue, its primary function is to support the hematopoietic progenitor cells that maintain the populations of both erythroid and myeloid lineage cells in the bone marrow, making it an essential element of normal mammalian physiology. However, bone’s primary function is load bearing, and deformations induced by external forces are transmitted to the encapsulatedmarrow.Understanding the effect…

    Date Published:
    2019-08
    Record Visibility:
    Public
  • 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