Notre Dame Research

Search CurateND

Search criteria:

Department or Unit: Notre Dame Research remove × Type of Work: Article remove ×
Clear all

List of files deposited in CurateND that match your search criteria

  • Author(s):
    Nydia Morales Soto, Anne E. Mattingly, Shaun W. Lee, Joshua D. Shrout
    Abstract:

    Many organisms coordinate to move and colonize over surfaces. Bacteria such as Pseudomonas aeruginosa exhibit such surface motility as a precursor step to forming biofilms. Here we show a group surface motility where small groups of P. aeruginosa use their type IV pili (TFP) appendages over long-distances. Small cell clusters employ their TFP to move multiple cell lengths in fractions of a second and form new multicellular groups. Given the length scale and speed of displacement, cells appear…

    Date Published:
    2019-01
  • Author(s):
    Nydia Morales Soto, Anne E. Mattingly, Shaun W. Lee, Joshua D. Shrout
    Abstract:

    Many organisms coordinate to move and colonize over surfaces. Bacteria such as Pseudomonas aeruginosa exhibit such surface motility as a precursor step to forming biofilms. Here we show a group surface motility where small groups of P. aeruginosa use their type IV pili (TFP) appendages over long-distances. Small cell clusters employ their TFP to move multiple cell lengths in fractions of a second and form new multicellular groups. Given the length scale and speed of displacement, cells appear…

    Date Published:
    2019-01
  • Author(s):
    Sage J. B. Dunham, Joseph F. Ellis, Nameera F. Baig, Nydia Morales-Soto, Tianyuan Cao, Joshua D. Shrout, Paul W. Bohn, Jonathan V. Sweedler
    Abstract:

    After several decades of widespread use for mapping elemental ions and small molecular fragments in surface science, secondary ion mass spectrometry (SIMS) has emerged as a powerful analytical tool for molecular imaging in biology. Biomolecular SIMS imaging has primarily been used as a qualitative technique; although the distribution of a single analyte can be accurately determined, it is difficult to map the absolute quantity of a compound or even to compare the relative abundance of one mol…

    Date Published:
    2018
  • Author(s):
    Sneha Polisetti, Nameera F. Baig, Nydia Morales-Soto, Joshua D. Shrout, Paul W. Bohn
    Abstract:

    Surface enhanced Raman spectroscopy (SERS) imaging was used in conjunction with principal component analysis (PCA) for the in situ spatiotemporal mapping of the virulence factor pyocyanin in communities of the pathogenic bacterium Pseudomonas aeruginosa. The combination of SERS imaging and PCA analysis provides a robust method for the characterization of heterogeneous biological systems while circumventing issues associated with interference from sample autofluorescence and low reproducibilit…

    Date Published:
    2016