Recent Submissions

  • Prelimary Results of the Reaction of Cyclotrimerization of Phenylacetylene [2+2+2] Catalyzed by [(Cp*)Co(Indene)] Complex 

    Morales-Verdejo, César [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Camarada, Maria Belen [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Morales, Verónica; Canete, Alvaro; Martínez, Iván; Manríquez, Juan Manuel; Chavez, Ivonne (Sociedad Chilena de Química, 2018-03)
    This work describes the catalytic study of [(Cp*)Co(Ind)] (with Cp*- pentamethylcyclopentadienyl, Ind = Indenyl, (C9H7)) complex in cyclotrimerization of phenylacetylene. From the cylcotrimerization reaction was possible ...
  • 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 ...
  • Interaction of supported ionic liquids phases onto copper nanoparticles: A DFT study 

    Wrighton-Araneda, Kerry; Valdebenito, Cristian; Camarada, María B. [Chile. Universidad Mayor. Facultad de Ciencias, Centro de Nanotecnología Aplicada]; Abarca, Gabriel; Cortés-Arriagada, Diego (Elsevier, 2020-07-15)
    The interaction between Supported Ionic Liquids Phases (SILPs) based on triazole and copper nanoparticles was investigated using density functional theory calculations. Three triazolium cations (T1(+), T2(+), and T3(+)) ...
  • 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 ...
  • Nanohybrids of reduced graphene oxide and cobalt hydroxide (Co(OH)(2)|rGO) for the thermal decomposition of ammonium perchlorate 

    Abarca, Gabriel; Ríos, Paulina L. [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Povea, Paula; Cerda-Cavieres, Christopher [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Nanotecnología Aplicada]; Morales-Verdejo, César; Arroyo, Juan L.; Camarada, María B. [Chile. Universidad Mayor. Facultad de Ciencias, Centro de Nanotecnología Aplicada] (Royal Society of Chemistry, 2020-06-18)
    The catalytic activity of nanoparticles of cobalt hydroxide supported on reduced graphene oxide, Co(OH)(2)|rGO, was studied for the decomposition of ammonium perchlorate (AP), the principal ingredient of composite solid ...
  • Synthesis and Characterization of a 2,3-Dialkoxynaphthalene-Based Conjugated Copolymer via Direct Arylation Polymerization (DAP) for Organic Electronics 

    Jessop, Ignacio A.; Chong, Aylin; Graffo, Linda; Camarada, María B. [Chile. Universidad Mayor. Facultad de Ciencias, Centro de Nanotecnología Aplicada]; Espinoza, Catalina; Angel, Felipe A.; Saldías, Cesar; Tundidor-Camba, Alain; Terraza, Claudio A. (MDPI, 2020-06-19)
    Poly[(5,5'-(2,3-bis(2-ethylhexyloxy)naphthalene-1,4-diyl)bis(thiophene-2,2'-diyl))-alt-(2,1,3-benzothiadiazole-4,7-diyl)] (PEHONDTBT) was synthesized for the first time and through direct arylation polymerization (DAP) for ...
  • Inducing Porosity on Hollow Nanoparticles by Hypervelocity Impacts 

    Valdivia J.A., Kiwi M., Bringa E.M., Rogan J.; Valencia, Felipe J. [Núcleo de Matemáticas, Física & Estadística, Facultad de Ciencias, Universidad Mayor, Chile]; González, Rafael I. [Centro de Genómica y Bioinformatica, Facultad de Ciencias, Universidad Mayor, Chile] (American Chemical Society, 2017)
    The large surface-to-volume ratio of hollow palladium nanoparticles (hNPs) offers room to improve their hydrogen storage capacity as well as their catalytic activity. However, a less explored possibility is to use, in ...
  • Advancements in the Synthesis of Building Block Materials: Experimental Evidence and Modeled Interpretations of the Effect of Na and K on Imogolite Synthesis 

    Arancibia-Miranda N., Escudey M., Ramírez R., Van Duin A.C.T., Kiwi M.; González Rafael I. [Centro de Genómica y Bioinformatica, Facultad de Ciencias, Universidad Mayor, Chile] (AMER CHEMICAL SOC, 2017)
    The effects of Na/K substitution during the synthesis of imogolite nanotubes (NTs) were studied using a combination of structural and surface analyses. These were complemented with molecular dynamics (MD) and DFT computational ...
  • Composites of electrochemically reduced graphene oxide and polythiophene and their application in supercapacitors 

    Ibáñez-Marín F.; Camarada, M. B. [Centro de Nanotecnología Aplicada, Facultad de Ciencias, Universidad Mayor, Chile]; Morales-Verdejo, C. [Chile. Universidad Mayor. Facultad de Ciencias. Centro de Genómica y Bioinformática] (Electrochemical Science Group, 2017)
    Composite films consisting of polythiophene (PTh) and graphene oxide (GO) were synthetized by electrochemical polymerization. Consequently, the GO was reduced via cyclic voltammetry to form a reduced composite (PTh/rGO), ...
  • PAMAM Dendrimers as Support for the Synthesis of Gold Nanoparticles: Understanding the Effect of the Terminal Groups 

    Camarada, M.B. [Centro de Genómica y Bioinformatica, Facultad de Ciencias, Universidad Mayor, Chile] (American Chemical Society, 2017)
    The interaction between hydroxyl-, aldehyde-, and amino-terminated PAMAM GO dendrimers with gold nanoclusters Au (n = 2, 4, 6, and 8) was studied theoretically at the DFT level. Different coordination sites were explored, ...
  • 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 ...
  • dsDNA Sensing Capabilities of Metallopolymers Electrochemically Deposited from Ruthenium-Pyrrole and - Thiophene Complexes 

    Ramírez, A. M. R. [Univ Mayor, Nucleo Quim & Bioquim, Fac Estudios Interdisciplinarios, Lab Electroquim, Temuco, Chile]; de Valle, M. A.; González, B.; Espinosa-Bustos, C.; Gacitua, M.; Hernández, L. A. (ESG, 2019)
    In the current work, a study is presented based on the variation of the monomer unit (thiophene or pyrrole) at electrochemically polymerizable ruthenium complexes, evaluating their possible applications in the field 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 ...
  • Relationship between photo-physical and electrochemical properties of D--A compounds regarding solar cell applications. 1. Substituent type effect in photovoltaic performance 

    Ramírez, A. M. R. [Univ Mayor, Fac Estudios Interdisciplinarios, Lab Electroquim, Nucleo Quim & Bioquim, Temuco, Chile]; Ortega, E.; Christian Bernede, Jean; Louarn, G.; Díaz, F. R.; Cattin, L.; Angelica del Valle, Maria (SPRINGER, 2019)
    Studying the electrochemical characteristics is an important step for determining interactions between molecules and the chemical environment. Moreover, the electrochemical evaluation of dyes is highly needed to establish ...
  • Molecular simulations of carbon allotropes in processes with creation and destruction of chemical bonds 

    Bringa, E. M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; González, R., I. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; Tangarife, E.; Cardenas, C.; Muñoz, E. (PERGAMON-ELSEVIER SCIENCE LTD, 2019)
    The development of sophisticated interatomic potentials for classical molecular dynamics and Monte Carlo simulations has several advantages, but also some drawbacks. One of them is the increase in their complexity, which ...
  • UV-VIS spectroelectrochemical in situ study during the electrosynthesis of copolymers 

    Ramírez, A. M. R. [Univ Mayor, Nucleo Ouim & Bioquim, Fac Estudios Interdisciplinarios, Lab Electroquim, Temuco, Chile]; del Valle, M. A.; Motheo, A. (SOC CHILENA QUIMICA, 2019)
    In this work, the synthesis of poly(aniline-co-o-methoxyaniline) is performed using purely electrochemical techniques, coupled to UV-vis spectroscopy in situ, in 3D. The electrocopolymerization is carried out on ITO ...
  • Physical-chemical properties of M@Fe3O4 core@shell nanowires (M = Cu, Co, CoO) 

    Tangarife, E. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Mejia-López, J.; Mazo-Zuluaga, J. (ROYAL SOC CHEMISTRY, 2019)
    Interest in low dimensional magnetic systems has been growing due to the novel and dramatically differentiated effects of their physical properties, which give them special behaviors and uses in biomedical, environmental ...
  • Layer-by-Layer-Assembled AuNPs-Decorated First-Generation Poly(amidoamine) Dendrimer with Reduced Graphene Oxide Core as Highly Sensitive Biosensing Platform with Controllable 3D Nanoarchitecture for Rapid Voltammetric Analysis of Ultratrace DNA Hybridization 

    Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Jayakumar, Kumarasamy; Dharuman, Venkataraman; Rajesh, Rajendiran; Venkatesan, Rengarajan; Ju, Huangxian; Maniraj, Mahalingam; Rai, Abhishek; Barman, Sudipta Roy; Wen, Yangping (AMER CHEMICAL SOC, 2018)
    The structure and electrochemical properties of layer-by-layer-assembled gold nanoparticles (AuNPs)-decorated first-generation (G1) poly(amidoamine) dendrimer (PD) with reduced graphene oxide (rGO) core as a highly sensitive ...
  • Tuning the structure and magnetic behavior of Ni-Ir-based nanoparticles in ionic liquids 

    Abarca, Gabriel [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; da Silva, Kacris I. M.; Bernardi, Fabiano; Baptista, Daniel L.; Leite Santos, Marcos José; Fernández Barquin, Luis; Dupont, Jairton; de Pedro, Imanol (ROYAL SOC CHEMISTRY, 2018)
    We report on a simple preparation of extremely small diameter (ca. 2 nm) Ni-Ir-based NPs using Ni(COD)(2) and [Ir(COD)OCH3](2) in 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMImNTf(2)). The prepared NPs ...
  • Simple voltammetric analyses of ochratoxin A in food samples using highly-stable and anti-fouling black phosphorene nanosensor 

    Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Xiang, Yuan; Wen, Yangping; Wu, Hao; Chen, Jinyin; Li, Mingfang; Liao, Xiaoning (PERGAMON-ELSEVIER SCIENCE LTD, 2018)
    There are few reports on the electrochemical detection of ochratoxin A (OTA) using chemically modified electrode owing to the OTA poor electrochemical activity and strong fouling effect towards electrode surface. In this ...

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