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  • Author(s):
    Jiayu Liu, Ibrahem Jasim, Muhammad Roman, Yuyao Yang, Chuang Qu, Jie Huang, Edward Kinzel, Mahmoud Almasri
    Abstract:

    This paper presents a technique for the low-cost fabrication of plasmonic fiber-optic based refractive-index sensors. The Microsphere Photolithography (MPL) technique was used to pattern nanoholes in a thin aluminum film to create Extraordinary Optical Transmission (EOT) based sensors on the cleaved tip of SMF-28 optical fibers. This technique uses self-assembled microspheres as an optical element and facilitates very low-cost patterning of the plasmonic probes. As the refractive index of the…

    Date Published:
    2019-06
    Record Visibility:
    Public
  • Creator(s):
    Jonathan Hauenstein, Margaret Regan
    Description:

    Polynomials which arise via elimination can be difficult to compute explicitly. By using a pseudo-witness set, we develop an algorithm to explicitly compute the restriction of a polynomial to a given line. The resulting polynomial can then be used to evaluate the original polynomial and directional derivatives along the line at any point on the given line. Several examples are used to demonstrate this new algorithm including examples of computing the critical points of the discriminant locu…

    Date Created:
    2020-03-27
    Record Visibility:
    Public
  • Creator(s):
    Mark Suhovecky
    Description:

    This dataset contains the raw and sanitized data about Curate privacy settings, collect March 19th 2020 from the anotation test server, along with the R code used to convert the raw data to the sanitized data. The data is being used as part of INF 7491, a graduate-level data analysis course held Winter Semester 2020 at Wayne State University.

    The raw data consists of a RDF entries for every attribute in every CurateND pid, stored as RDF triples.

    Date Created:
    2020-03-24
    Record Visibility:
    Public
  • Author(s):
    Hunter Ford, Laura Merrill, Jennifer Schaefer
    Abstract:

    Abstract: Rechargeable magnesium sulfur (Mg/S) batteries suffer from fast capacity fading due to difficulty of reoxidation of MgS and the polysulfide shuttle. Other works have reported that use of Cu current collectors or CuS at the cathode improves cycleability. Here we investigate Cu nanoparticles grown on carbon nanofibers (Cu@CNF) as an additive for the Mg/S battery cathode to test the effects of Cu metal on capacity and rate performance at controlled Cu loading. The Mg/S battery with Cu …

    Date Published:
    2019-10
    Record Visibility:
    Public
  • Author(s):
    Peggy Griesinger, Mikala Narlock, Jeremy Friesen, Hanna Bertoldi
    Abstract:

    The presenters will outline efforts to create a unified discovery platform for digital collections from libraries, archives, and museums. They will guide attendees through the process of designing harmonized metadata profiles for these related but very different domains, including solutions for conciliating controlled vocabularies. They will discuss the software stack’s approach to moving the harmonized data from varied back-end systems to a singular point from which they build out multiple s…

    Date Created:
    2020-03-12
    Record Visibility:
    Public
    Resource Type
    Presentation
  • Creator(s):
    Jonathan Hauenstein, Martin Helmer
    Description:

    Alt’s problem, formulated in 1923, is to count the number of four-bar linkages whose coupler curve interpolates nine general points in the plane. This problem can be phrased as counting the number of solutions to a system of polynomial equations which was first solved numerically using homotopy continuation by Wampler, Morgan, and Sommese in 1992. Since there is still not a proof that all solutions were obtained, we consider upper bounds for Alt’s problem by counting the number of sol…

    Date Created:
    2020-03-03
    Record Visibility:
    Public
  • Author(s):
    Margaret L. Butzen, Jeremy B. Fein
    Abstract:

    In this study, we measured the effect of EPS on Cd and proton adsorption behaviors by measuring the extent of adsorption onto biomass with and without the EPS removed via a cation exchange resin. We conducted both Cd adsorption experiments and potentiometric titrations of biomass using three common bacterial species: one Gram-positive (Bacillus subtilis) and two Gram-negative (Shewanella oneidensis, Pseudomonas putida) species. The Cd adsorption experiments were con- ducted as a function of m…

    Date Published:
    2019-01
    Record Visibility:
    Public
  • Author(s):
    Douglas Shoue, Brianna Norris-Mulliins, Bruce Melancon, Miguel A. Morales, Mary Ann McDowell
    Abstract:

    Leishmania parasites are the causative agents of a wide spectrum of human diseases. The clinical mani- festations of leishmaniasis range from self-healing skin lesions to fatality. The World Health Organization has classed leishmaniasis as a category 1 neglected tropical disease. Leishmaniasis represents a major international health challenge, affecting 12 million people per year and with nearly 310 million people at risk. The first-line chemotherapies used to treat leishmaniasis are intraven…

    Date Published:
    2019-07
    Record Visibility:
    Public
  • Author(s):
    Eveline Rigo, Zhuxin Dong, Jae Hyun Park, Eamonn Kennedy, Mohammad Hokmabadi, Lisa Almonte-Garcia, Li Ding, Narayana Aluru, Gregory Timp
    Abstract:

    The size of an ion affects everything from the structure of water to life itself. In this report, to gauge their size, ions dissolved in water are forced electrically through a sub-nanometer- diameter pore spanning a thin membrane and the current is measured. The measurements reveal an ion-selective conductance that vanishes in poresThe size of an ion affects everything from the structure of water to life itself. In this report, to gauge their size, ions dissolved in water are forced electric…

    Date Published:
    2019-05
    Record Visibility:
    Public
  • Author(s):
    Muhammad Ahmad, Chao Tang, Liu Yang, Andriy Yaroshchuk, Merlin Bruening
    Abstract:

    Development of anion-exchange membranes (AEMs) with selectivities among anions may expand the applications of these membranes in salt separations. This work shows that layer-by-layer coating of aliphatic polyamide AEMs with poly(4-styrenesulfonate) (PSS)/protonated poly(allylamine) (PAH) films enhances Cl − /SO 42− dialysis selectivities, and the extent of this enhancement depends on the source-phase salt concentrations. For a source phase containing 0.01 M NaCl and 0.01 M Na 2 SO 4 and a rec…

    Date Published:
    2019-02
    Record Visibility:
    Public
  • Author(s):
    Chinedu Madukoma, Shusuke Tomoshige, Choonkeun Kim, Elan Lastochkin, William C. Boggess, Jed Fisher, Joshua Shrout, Shahriar Mobashery
    Abstract:

    The interplay between the activities of lytic transglycosylases (LTs) and penicillin-binding proteins (PBPs) is critical for the health of the bacterial cell wall. Bulgecin A (a natural-product inhibitor of LTs) potentiates the activity of β-lactam antibiotics (inhibitors of PBPs), underscoring this intimate mechanistic interdependence. Bulgecin A in the presence of an appropriate β-lactam causes bulge deformation due to the formation of aberrant peptidoglycan at the division site of the bact…

    Date Published:
    2019-01
    Record Visibility:
    Public
  • Author(s):
    Seung-Ryong Kwon, Donghoon Han, Paul Bohn
    Abstract:

    Conspectus Electrochemical measurements conducted in confined volumes provide a powerful and direct means to address scientific questions at the nexus of nanoscience, biotechnology, and chemical analysis. How are electron transfer and ion transport coupled in confined volumes and how does understanding them require moving beyond macroscopic theories? Also, how do these coupled processes impact electrochemical detection and processing? We address these questions by studying a special type of c…

    Date Published:
    2019-10
    Record Visibility:
    Public