DataVXACS Applied Materials & InterfacesPaper
journal article·2019-05-15

Nanoparticle Concentration vs Surface Area in the Interaction of Thiol-Containing Molecules: Toward a Rational Nanoarchitectural Design of Hybrid Materials

Keshav Goel, Matias Zuñiga-Bustos, Caitlin Lazurko, Erik Jacques, Constanza Galaz-Araya, Francisco Valenzuela-Henriquez, Natalia L. Pacioni, Jean-François Couture, Horacio Poblete, Emilio I. Alarcon

ACS Applied Materials & Interfaces· Volume 11· Issue 19
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Source abstract

Abstract

The effect of accounting for the total surface in the association of thiol-containing molecules to nanosilver was assessed using isothermal titration calorimetry, along with a new open access algorithm that calculates the total surface area for samples of different polydispersity. Further, we used advanced molecular dynamic calculations to explore the underlying mechanisms for the interaction of the studied molecules in the presence of a nanosilver surface in the form of flat surfaces or as three-dimensional pseudospherical nanostructures. Our data indicate that not only is the total surface area available for binding but also the supramolecular arrangements of the molecules in the near proximity of the nanosilver surface strongly affects the affinity of thiol-containing molecules to nanosilver surfaces.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: thermodynamics and calorimetric analyses · nanoparticles nucleation surface interactions · Spectroscopy and Quantum Chemical Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, Ontario, Canada K1Y 4W7

Department of Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, Ontario, Canada K1H 8M5

Center for Bioinformatics and Molecular Simulations, Facultad de Ingeniería, Universidad de Talca, Campus Lircay s/n, Talca 3460000, Chile

Instituto de Matemática, Pontificia Universidad Católica de Valparaíso, Blanco Viel 596, Cerro Barón, Valparaíso 2350026, Chile

Facultad de Ciencias Químicas, Departamento de Química Orgánica, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende s/n, Ciudad Universitaria, Córdoba X5000HUA, Argentina

Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), INFIQC, Buenos Aires 1418, Córdoba X5000IND, Argentina

Núcleo Científico Multidisciplinario, Dirección de Investigación, Universidad de Talca, Talca 3460000, Chile

Millennium Nucleus of Ion Channels-Associated Diseases (MiNICAD), Talca 3460000, Chile

Funding

Canadian Institutes of Health Research · Natural Sciences and Engineering Research Council of Canada · Fondo Nacional de Desarrollo Cient?fico y Tecnol?gico · Universidad Nacional de C?rdoba · Millennium Nucleus of Ion Channel-Associated Diseases

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