• Effect of functionalized silica nanoparticles on the mass transfer process in active PLA nanocomposite films obtained by supercritical impregnation for sustainable food packaging 

      Sepúlveda, Javiera; Villegas, Carolina; Torres, Alejandra; Vargas, Esteban; Rodríguez, Francisco; Baltazar, Samuel; Prada, Alejandro [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Rojas, Adrián; Romero, Julio; Faba, Simón; Galotto, María José (Elsevier, 2020-07)
      Nanocomposite films based on PLA with 1.0 % w/w silica nanoparticles (NP) and surface-functionalized silica nanoparticles with lactic acid (NP-LA), respectively, were obtained by extrusion process. Subsequently, cinnamaldehyde ...
    • Effect of subsurface voids on the nanoindentation of Fe crystals 

      Hofer, Juan A.; Ruestes, Carlos J.; Bringa, Eduardo M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Urbassek, Herbert M. (IOP Publishing Ltd., 2020-03)
      Subsurface voids may strongly affect the response of materials to nanoindentation. We explore these effects for a bcc single-crystalline Fe sample using molecular dynamics simulation. Deformation occurs mainly by nucleation ...
    • Effect of the Generation of PAMAM Dendrimers on the Stabilization of Gold Nanoparticles 

      Avila-Salas, Fabián [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; González, Rafael, I. [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Ríos, Paulina L. [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Araya-Durán, Ingrid [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Camarada, María B. [Chile. Universidad Mayor. Facultad de Ciencias, Centro de Nanotecnología Aplicada] (American Chemical Society, 2020-06-22)
      The behavior of small and intermediate generations of poly(amidoamine) (PAMAM) dendrimers and PAMAM vertical bar gold nanocomposites was studied by computational tools and experimental techniques. Molecular dynamics ...
    • Effect of the monomers ratio in the electrosynthesis of poly (aniline-co-o-methoxyaniline) on steel corrosion protection 

      Del Valle, M. A.; Mieres, E. [Univ Mayor, Fac Ciencias, Ingn Construcc, Chile]; Motheo, A.; Ramírez, A. M. R. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile] (SOC CHILENA QUIMICA, 2020-12)
      In this work, the synthesis of poly(aniline-co-o-methoxyaniline) was carried out on AISI 304 steel, by voltammetric or potentiostatic method. Electropolymerization was achieved from different ratios of 0.4 mol.L-1 ...
    • Effect of the monomers ratio in the electrosynthesis of poly(aniline-co-o-methoxyaniline) on steel corrosion protection 

      Del Valle, M. A.; Mieres, E. [Univ Mayor, Fac Ciencias, Ingn Construcc, Chile]; Motheo, A.; Ramírez, A. M. R. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile] (Sociedad Chilena de Química, 2020-12)
      In this work, the synthesis of poly(aniline-co-o-methoxyaniline) was carried out on AISI 304 steel, by voltammetric or potentiostatic method. Electropolymerization was achieved from different ratios of 0.4 mol.L-1 ...
    • Effect of Tip Roundness on the Nanoindentation of Fe Crystals 

      Clara Zonana, M.; Ruestes, Carlos J.; Bringa, Eduardo M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Urbassek, Herbert M. (Springer New York, 2020-04)
      Indentation tips are never atomically sharp, but rounded at their end. We use atomistic simulation to study the effect of tip roundness for the particular case of a cube-corner pyramidal indenter by comparing the results ...
    • Effect on the Optical Efficiency and Photostability of Luminescent Solar Concentrator Based on the Deposition of AgSiO2@NPs 

      Segura, Camilo; Vargas, Victor; Valenzuela-Fernández, Rodrigo A.; Silva Danna, Caroline; Osorio-Roman, Igor O. [Univ Mayor, Fac Ciencias & Nucleo Quim & Bioquim, Fac Estudios Interdisciplinarios, Ctr Nanotecnol Aplicada, Chile] (American Chemical Society, 2020-08)
      Because of the growing demand for the use of photovoltaic cells to transform solar energy into electrical energy, radiation concentration systems such as luminescent solar concentrators (LSCs) have gained significant ...
    • Electrochemical fabrication of nanowires poly (Indole-6-carboxylic acid) adorned with nanorod MnO2 for evaluation of its capacitive properties 

      Lorca-Ponce, J. [Univ Mayor, Fac Ciencias Ingn & Tecnol, Ctr Nanotecnol Aplicada, Chile]; Cisterna, Jonathan; Cattin, Linda; Bernede, Jean-Christian; Louarn, G.; Ramírez, AMR. (PERGAMON-ELSEVIER SCIENCE LTD, 2023-10-01)
      A poly(indole-6-carboxy acid) nanowire composite with & beta;-MnO2 nanorod (6-PICA|& beta;-MnO2-NRs) was prepared by an electrochemical method and hydrothermal. The incorporation of & beta;-MnO2-NRs and the formation of ...
    • Electrochemical in situ synthesis of polypyrrole nanowires 

      Ramírez, A. M. R. [Univ Mayor, Fac Estudios Interdisciplinarios, Lab Rectroquun, Nucl Quim & Bioquim, Temuco, Chile]; Gacitua, M. A.; Ortega, E.; Díaz, F. R.; del Valle, M. A. (ELSEVIER SCIENCE INC, 2019)
      Modification with polypyrrole nanowires, PPy-nw, is accomplished directly upon the working electrode by electrochemical polymerization methods using mesoporous silica as a template. The silica template is prepared by a ...
    • Erythroid Differentiation and Heme Biosynthesis Are Dependent on a Shift in the Balance of Mitochondrial Fusion and Fission Dynamics 

      Gonzalez-Ibanez, Alvaro M.; Ruíz, Lina M.; Jensen, Erik; Echeverria, Cesar A.; Romero, Valentina [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Stiles, Linsey; Shirihai, Orian S.; Elorza, Alvaro A. (Frontiers Media S.A., 2020-11)
      Erythropoiesis is the most robust cellular differentiation and proliferation system, with a production of similar to 2 x 10(11) cells per day. In this fine-tuned process, the hematopoietic stem cells (HSCs) generate erythroid ...
    • Ethylene polymerization by binuclear chromium complex with tetrakis(pyrazolyl-methyl)benzene ligand 

      Martínez, Iván; Morales-Verdejo, César [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Karam, Arquimedes; González, Teresa; Coll, David S.; Rojas, René; Rodríguez, Barbara E. (Chile. Universidad Mayor, 2020)
      The reaction of one equivalent of 1,2,4,5-tetrakis(pyrazolyl-methyl)benzene ligand (L) with two equivalents of Cr(THF)(3)Cl-3 in tetrahydrofuran has produced a binuclear neutral complex of general formula [Cr2L(THF)(2)Cl-6] ...
    • Experimental and Computational Characterization of the Interaction between Gold Nanoparticles and Polyamidoamine Dendrimers 

      Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Morales-Verdejo, C. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Comer, J.; Poblete, H.; Singam, E. R. Azhagiya; Márquez-Miranda, V.; González-Nilo, F. D. (AMER CHEMICAL SOC, 2018)
      Dendrimers provide a means to control the synthesis of gold nanoparticles and stabilize their suspensions. However, design of improved dendrimers for this application is hindered by a lack of understanding how the dendrimers ...
    • Fast simultaneous electrochemical detection of Bisphenol-A and Bisphenol-S in urban wastewater using a graphene oxide-iron nanoparticles hybrid sensor 

      Piña, Samuel; Sepúlveda, Pamela [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada CNAP, Chile]; García-García, Alejandra; Moreno-Bárcenas, Alejandra; Toledo-Neira, Carla; Salazar-González, Ricardo (PERGAMON-ELSEVIER SCIENCE LTD, 2023-11-10)
      In this work, a novel and sensitive electrochemical sensor was developed for the simultaneous determination of low concentration levels of Bisphenol-A (BPA) and Bisphenol-S (BPS) in a secondary effluent from a wastewater ...
    • FoamExplorer: Automated measurement of ligaments and voids for atomistic systems 

      Aparicio, Emiliano; Millan, Emmanuel N.; Ruestes, Carlos J.; Bringa, Eduardo M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile] (Elsevier, 2020-12)
      Atomistic simulations are often used to explore the mechanical and chemical properties of a variety of materials and structures, such as nanowires, whiskers, nanospheres, nanotrusses, and nanoscale foams, among others. ...
    • Graphene Oxide Quantum Dots as the Support for the Synthesis of Gold Nanoparticles and Their Applications as New Catalysts for the Decomposition of Composite Solid Propellants 

      Melo, Juan P.[Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Ríos, Paulina L. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Morales-Verdejo, César. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Povea, Paula (AMER CHEMICAL SOC, 2018)
      Graphene oxide quantum dot (GOQD) and reduced GOOD (rGOQD) were synthetized using a simple and straight methodology based on an oxidative treatment and sonication. GOQD and rGOQD were used as supporting agents for the in ...
    • Growth of Ni nanoclusters on irradiated graphene: a molecular dynamics study 

      González, Rafael I. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; Valencia, Felipe J. [Univ Mayor, Fac Ciencias, Nucl Matemat Fis & Estadit]; Hernández-Vázquez, E. E.; Bringa, E. M.; Moran-López, J. L.; Rogan, J.; Muñoz, F. (ROYAL SOC CHEMISTRY, 2018)
      We studied the soft landing of Ni atoms on a previously damaged graphene sheet by means of molecular dynamics simulations. We found a monotonic decrease of the cluster frequency as a function of its size, but few big ...
    • Highly modulated supported triazolium-based ionic liquids: direct control of the electronic environment on Cu nanoparticles 

      Valdebenito, Cristian [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Pinto, José; Nazarkovsky, Michael; Chacón, Gustavo; Martínez-Ferrate, Oriol; Wrighton-Araneda, Kerry; Cortés-Arriagada, Diego; Camarada, María Belen [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Fernandes, Alves Jesum; Abarca, Gabriel [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada] (Royal Society of Chemistry, 2020-03-01)
      A series of new triazolium-based supported ionic liquids (SILPs), decorated with Cu NPs, were successfully prepared and applied to the N-arylation of aryl halides with anilines. The triazoles moieties were functionalised ...
    • Hillock formation on nanocrystalline diamond 

      González R.I., Bringa E.M., Kiwi M.; Valencia Felipe J. [Núcleo de Matemáticas, Física y Estadística, Facultad de Ciencias, Universidad Mayor, Chile] (PERGAMON-ELSEVIER SCIENCE LTD, 2017)
      Hillock formation on nanocrystalline (nc) diamond under swift heavy ion irradiation is studied by means of classical molecular dynamics. The irradiation is simulated by means of a thermal spike model, the nc samples include ...
    • Hollow Gold Nanoparticles Produced by Femtosecond Laser Irradiation 

      Carlos Castro-Palacio, Juan; Ladutenko, Konstantin; Prada, Alejandro [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; González-Rubio, Guillermo; Díaz-Núñez, Pablo; Guerrero-Martínez, Andrés; Fernández de Cordoba, Pedro; Kohanoff, Jorge; Manuel Perlado, José; Pena-Rodríguez, Ovidio; Rivera, Antonio (American Chemical Society, 2020-07)
      Metallic hollow nanoparticles exhibit interesting optical properties that can be controlled by geometrical parameters. Irradiation with femtosecond laser pulses has emerged recently as a valuable tool for reshaping and ...
    • Hydrogen effects on the mechanical properties of nanocrystalline free-standing Palladium thin films 

      Ali, M. L.; Crespo, E. A.; Ruda, M.; Bringa, E. M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Ramos, S. B. (Elsevier Ltd., 2020-05)
      Pd membranes are used both in hydrogen detection and hydrogen separation devices. Their properties can be improved at the nanometer scale. We simulate atomistically the tensile properties of Pd mono and polycrystalline ...


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