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  • Author(s):
    Peggy Griesinger, Karl-Rainer Blumenthal, Julia Kim, Shira Peltzman, Vicky Steeves
    Abstract:

    The National Digital Stewardship Alliance surveyed practitioners in 2012 and again in 2017 to gauge, among other things, how satisfied they were with their organizations’ digital preservation function. This study seeks to understand what causes the high and rising levels of dissatisfaction that practitioners reported. We interviewed 21 digital stewards and asked them to describe the organizational context in which they work; to reflect on what aspects of their organizations’ approach to digit…

    Date Published:
    2020-08
    Record Visibility:
    Public
  • Author(s):
    Ji-Young Son, Kevin J. Lane, Marie Lynn Miranda, Michelle L. Bell
    Abstract:

    Understanding the environmental justice implications of the mortality impacts of air pollution exposure is a public health priority, as some subpopulations may face a disproportionate health burden. We examined which residential environmental and social factors may affect disparities in the air pollution-mortality relationship in North Carolina, US, using a time-stratified case-crossover design. Results indicate that air pollution poses a higher mortality risk for some persons (e.g., elderly)…

    Date Published:
    2020-03
    Record Visibility:
    Public
  • Author(s):
    Trevor B. Demille, Robert A. Hughes, Nathaniel Dominique, Jacob E. Olson, Sergei Rouvimov, Jon P. Camden, Svetlana Neretina
    Abstract:

    A method for the nanofabrication of periodic arrays of gold nanostars yielding a unique morphology of relevance to SERS applications. With arms radiating from a central core, gold nanostars represent a unique and fascinating class of nanomaterials from which extraordinary plasmonic properties are derived. Despite their relevance to sensing applications, methods for fabricating homogeneous populations of nanostars on large-area planar surfaces in truly periodic arrays is lacking. Herein, the f…

    Date Published:
    2020-07
    Record Visibility:
    Public
  • Author(s):
    Nora Belzowski, Mark Robison
    Abstract:

    Subject faculty sometimes limit information literacy when they ask a librarian for “the library talk.” On the librarian’s end, this unimaginative request translates into a traditional one-shot, often focused on point-and-click skills rather than building deeper competencies. The authors developed a collaboration rubric to liberate librarians from this deadlock. The rubric uses nine lenses to focus the librarian-instructor collaboration on relevant sub-categories that display various instructi…

    Date Published:
    2019-03
    Record Visibility:
    Public
  • Author(s):
    Zhongmou Chao, Kutay Sezginel, Ke Xu, Garrison Crouch, Abigale Gray, Christopher Wilmer, Paul Bohn, David Go, Susan Fillerton-Shirey
    Abstract:

    Silver nanofilament formation dynamics are reported for an ionic liquid (IL)-filled solid polymer electrolyte prepared by a direct-write process using a conductive atomic force microscope (C-AFM). Filaments are electrochemically formed at hundreds of xy locations on a ≈40 nm thick polymer electrolyte, polyethylene glycol diacrylate (PEGDA)/[BMIM]PF6. Although the formation time generally decreases with increasing bias from 0.7 to 3.0 V, an unexpected non-monotonic maximum is observed ≈2.0 V. …

    Date Published:
    2019-01
    Record Visibility:
    Public
  • Author(s):
    Jason Mason, Jordan A. Cockfield, Daniel Pape, Hannah Meissner, Michael Sokolowski, Taylor C. White, Jose Valentin Lopez, Juan Liu, Xiaojing Liu, Inmaculada martinez-Reyes, Navdeep Chandel, Jason Locasale, Zachary Schafer
    Abstract:

    Loss of integrin-mediated attachment to extracellular matrix (ECM) proteins can trigger a variety of cellular changes that impact cell viability. Foremost among these is the activation of anoikis, caspase-mediated cell death induced by ECM-detachment. In addition to anoikis, loss of ECM-attachment causes profound alterations in cellular metabolism that can lead to anoikis-independent cell death. Here, we describe a surprising role for serum and glucocorticoid kinase-1 (SGK1) in the promotion …

    Date Published:
    2020-03
    Record Visibility:
    Public
  • Author(s):
    Sasha Padilla-Coley, Hui Xu
    Abstract:

    hydrophobic (i.e., Hoechst 33342) dyes or drugs, including a binary dye/drug pair (i.e., indocyanine green/mitoxantrone). The core of HBPn, containing a mixture of uncharged 2-pentanone chains and 1,2,3-triazole rings, could be loaded with uncharged and very hydrophobic dyes (i.e., Nile Red) or drugs. Improved aqueous solubility of camptothecin was achieved 10-fold from 8.4 to 75 ng/mL. Additionally, cell toxicity studies showed that HBPn was able to release the camptothecin drug inside A549 …

    Date Published:
    2020-04
    Record Visibility:
    Public
  • Author(s):
    Frederik J. Steyn, Siobhan Kirk, Tesfay W. Tefera, Teresa Xie, Timothy Tracey, Dean Kelk, Elyse Wimberger, Fleur Garton, Llion Robets, Sarah Chapman, Jeff Coombes, W. Matthew Leevy, Alberto Ferri, Cristiana Valle, Frederique Rene, Jean-Philippe Loeffler, Pamela McCombe, Robert Henderson, Shyuan Ngo
    Abstract:

    Amyotrophic lateral sclerosis (ALS) is characterized by the degeneration of upper and lower 36 motor neurons, yet an increasing number of studies in both mouse models and patients with 37 ALS suggest that altered metabolic homeostasis is a feature of disease. Pre-clinical and clinical 38 studies have shown that modulation of energy balance can be beneficial in ALS. However, our 39 capacity to target specific metabolic pathways or mechanisms requires detailed understanding 40 of metabolic dysr…

    Date Published:
    2020-04
    Record Visibility:
    Public
  • Author(s):
    Jeff Harden
    Abstract:

    Governments around the world adopt transparency reforms to facilitate accountability. In principle, open proceedings provide citizens with valuable information to evaluate elected officials’ decisionmaking, which incentives lawmakers to follow mass preferences when choosing policies. However, the public’s general lack of knowledge and engagement with the political process may weaken the power of open information, and perhaps instead allow citizens and groups with extreme views to exer…

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    Public
  • Author(s):
    S. Rouvimov, D. V. Nechaev, V. I. Kozlovsky, S. V. Ivanov
    Abstract:

    Spreading resistance microscopy (SRM) was used to study nanoscale variations in electronic and structural properties of an ultrathin near-surface GaN/AlN quantum well (QW). In the SRM images of the growth surface of the GaN/AlN QW heterostructure, an inhomogeneous current contrast was detected in the form of disk-like regions of increased conductivity with the sizes in the range of 50–160 nm and a density of 1.7 109 cm 2 . Analysis of the current contrast dependence on the polarity of the sam…

    Date Published:
    2019-02
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    Public
  • Author(s):
    Rui Zhao, Benjamin Grisafe, Ram Krishna Ghosh, Ke Wang, Suman Datta, Joshua Robinson
    Abstract:

    The 1T phase of tantalum disulfide (1T-TaS 2 ) possesses a variety of charge-density-wave (CDW) orders, and as a result, it attracts an increasing amount of academic and technological interest. The 1T phase of tantalum disulfide (1T-TaS 2 ) possesses a variety of charge-density-wave (CDW) orders, and as a result, it attracts an increasing amount of academic and technological interest. Researchers have devoted tremendous efforts towards understanding the impacts of doping, alloying, intercalat…

    Date Published:
    2019-04
    Record Visibility:
    Public
  • Author(s):
    Paul J. McGinn
    Abstract:

    High-throughput combinatorial investigations are transforming materials discovery, phase diagram development, and processing optimization. Thin-film deposition techniques are frequently used to fabricate sample libraries employed in these studies. Various adaptations of well-known thin-film chemical vapor deposition (CVD) and physical vapor deposition (PVD) techniques utilized for the synthesis of inorganic combinatorial thin-film materials libraries are reviewed, with novel processing approa…

    Date Published:
    2019-08
    Record Visibility:
    Public