Publications by authors named "Natalia Canas"

Latinx immigrants have poorer access to health care, compared to non-Latinx Whites. Federally-Qualified Health Centers (FQHCs) provide clinical and community programing to address their clients' health needs. One mechanism by which FQHC's may strengthen Latinx immigrant well-being is by promoting their individual and community resilience.

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Article Synopsis
  • PEM water electrolysis is a promising method for producing hydrogen using excess renewable electricity, but it is hindered by high costs primarily due to the use of iridium (Ir) in the anode.
  • Researchers developed a cost-effective catalyst made of metallic Ir nanoparticles supported on Ti4O7, synthesized without thermal treatment to maintain the materials' properties.
  • This new Ir/Ti4O7 catalyst significantly outperforms traditional Ir-black in mass activity and efficiency for the oxygen evolution reaction, allowing for a reduction in precious metal usage in PEM electrolyzers.
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We have developed a highly active nanostructured iridium catalyst for anodes of proton exchange membrane (PEM) electrolysis. Clusters of nanosized crystallites are obtained by reducing surfactant-stabilized IrCl3 in water-free conditions. The catalyst shows a five-fold higher activity towards oxygen evolution reaction (OER) than commercial Ir-black.

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In this work, material-sensitive atomic force microscopy (AFM) techniques were used to analyse the cathodes of lithium-sulfur batteries. A comparison of their nanoscale electrical, electrochemical, and morphological properties was performed with samples prepared by either suspension-spraying or doctor-blade coating with different binders. Morphological studies of the cathodes before and after the electrochemical tests were performed by using AFM and scanning electron microscopy (SEM).

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In this work, the adhesion of biomimetic polydimethylsiloxane (PDMS) pillar arrays with mushroom-shaped tips was studied on nano- and micro-rough surfaces and compared to unpatterned controls. The adhesion strength on nano-rough surfaces invariably decreased with increasing roughness, but pillar arrays retained higher adhesion strengths than unpatterned controls in all cases. The results were analyzed with a model that focuses on the effect on adhesion of depressions in a rough surface.

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