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HomeAffiliationsUniversity of Puerto Rico

Affiliations: University of Puerto Rico

Biosensor prototype based on carbon nanotubes for the RF-detection and NIR-treatment of HeLa cells

Caro G., García K., Avalos J., Morell G., University of Puerto Rico, US
The World Health Organization’s Annual Report on Cancer indicates that, in 2008, 12.4 million new cases and 7.6 million deaths from cancer alone were recorded around the world. Some of the treatments for HeLa cancer [...]

Study of High-Strength Concrete Reinforced with Bamboo Fibers

Soto H., Marrero R., Benítez F., Medina C., University of Puerto Rico, PR
Concrete is the most used construction material worldwide and, as a consequence, has a significant environmental impact. Cement fabrication accounts for 5 to 10% of the global carbon emission. This has driven scientists to create [...]

Structural and Thermo-Mechanical Characterization of Calcium and Barium Alginate Films

Vidal-Urquiza T.K., University of Puerto Rico, PR
Alignate films require its precise characterization of mechanical and thermo-mechanial properties, which are useful for several potential applications in environmental protection, biotechnology, and others areas. Therefore, this work study the aforementioned film properties of sodium [...]

Structural and Thermo-Mechanical Characterization of Calcium and Barium Alginate Films

Vidal-Urquiza T.K., University of Puerto Rico, PR
Alignate films require its precise characterization of mechanical and thermo-mechanial properties, which are useful for several potential applications in environmental protection, biotechnology, and others areas. Therefore, this work study the aforementioned film properties of sodium [...]

Influence of Silica Nanoparticles on the Thermal Transitions and Structure of PHBA-PET Nanocomposites

Miranda F., Acevedo A., University of Puerto Rico, PR
Composite films were produced by direct melt-blending of the polymer with up to 1.5 vol% loadings in a Thermo-Haake MiniLab2 twin-screw extruder. Thermal transitions were determined by differential scanning calorimetry and thermogravimetric analysis. Structure and [...]

Monte Carlo Studies of the Effect of Temperature, Si/Al, and Metal Loading on the Templated Synthesis of Pt Nanowires in MOR-type Zeolites

Huertas-Miranda J.A., Martínez-Iñesta M.M., University of Puerto Rico, US
Previous molecular simulation studies in our group using Metropolis Monte Carlo (MMC) technique suggested that lower Si to Al ratios (Si/Al) favored energetically the positioning of Ni atoms inside the one-dimensional main pore channels of [...]

Molecular Simulation Studies for the Synthesis of Ni Nanowires in Zeolite Cancrinite

Huertas-Miranda J.A., Quiñones-Fontalvo L., Martínez-Iñesta M.M., University of Puerto Rico, US
Evaluation of the spatial distribution of Ni metal atoms inside CAN was done at two Si/ Al ratios and four Ni loadings. Using Sorption from Material Studio 4.0 (Accelrys, Inc.), Metropolis Monte Carlo simulations under [...]

Studies of Ferrite Based Magnetic Nanoparticle Uptake and Magnetocytolysis Effects on Model Cell Cultures

Rodríguez H.L., Barrera C., Herrera A., Ayala V., Latorre M., Rinaldi C., Torres-Lugo M., University of Puerto Rico, PR
To date, two main avenues by which nanoparticles appear to induce cell death have been proposed, magnetocytolysis and magnetic fluid hyperthermia (MFH). Little is known regarding the mechanisms of cell death and the main factors [...]

Synthesis and Characterization of Metastable Nanocrystalline Cobalt

Osorio-Cantillo C., Perales-Perez O., University of Puerto Rico, US
Applications of elemental cobalt are consequence of its phase-dependent magnetic properties; the anisotropic high-coercivity hcp-Co phase is preferred for permanent magnet applications, while the more symmetric low coercivity fcc- and, pseudo-cubic epsilon-Co can be used [...]

Synthesis and Characterization of Co-Zn Ferrite Nanocrystals for Magnetocaloric Applications

Urcia-Romero S., Renteria B., Gutiérrez G., University of Puerto Rico, PR
Cobalt ferrite (CoFe2O4) is known for its high coercivity, chemical stability and high sensitivity of its Curie temperature (TC) with Zn-doping. A ferrofluid bearing this type of ferrite nanocrystals could be then considered good candidate [...]

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