Search Results - "William Gacitúa"

comparison of nanoindentation cell wall hardness and Brinell wood hardness in jack pine (Pinus banksiana Lamb.) by Vincent, Manon, Tong, Queju, Terziev, Nasko, Daniel, Geoffrey, Bustos, Cecilia, Escobar, William Gacitúa, Duchesne, Isabelle

“…Nanoindentation is a powerful tool for hardness testing on a very small scale. Since the technique was first introduced for studying wood cell wall mechanics,…”
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ANATOMICAL, ULTRASTRUCTURAL, PHYSICAL AND MECHANICAL WOOD PROPERTIES OF TWO-YEAR-OLD Eucalyptus grandis × Eucalyptus urophylla CLONES by Zanuncio, Antonio José Vinha, Carvalho, Amélia Guimarães, Carneiro, Angélica de Cassia Oliveira, Tomazello Filho, Mario, Valenzuela, Paulina, Gacitúa, William, Colodette, Jorge Luiz

“…ABSTRACT Eucalyptus wood from adult trees is used for several purposes; however, the wood of younger trees has limited use. This study aims to characterize and…”
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Isolation and Characterization of Cellulose Nanocrystals from Rejected Fibers Originated in the Kraft Pulping Process by Aguayo, María Graciela, Fernández Pérez, Arturo, Reyes, Guillermo, Oviedo, Claudia, Gacitúa, William, Gonzalez, Raúl, Uyarte, Omar

“…In the final process of the bleached kraft pulp there are some cellulose fibers that are separated from the main fibers stream; these fibers are rejected and…”
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Enhanced erosion resistance of anti-reflective TiO2/SiO2 coatings induced by Zr-oxide doping by Zambrano-Mera, Dario F., Espinoza-González, Rodrigo, Rosenkranz, Andreas, Harvey, Terry J., Polcar, Tomas, Valenzuela, Paulina, Gacitúa, William

“…The usage of renewable energy is an alternative countermeasure against the ongoing climatic change. In this regard, solar energy has been shown to be one of…”
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Effect of the Longitudinal Tensile Creep on the Stiffness of Radiata Pine (Pinus radiata D. Don) by Erazo, Oswaldo, Vergara-Figueroa, Judith, Valenzuela, Paulina, Gacitúa, William

“…The influence of load on the cellulose microfibrils of single cells or thin wood foils is known. It can decrease the cellulose microfibril angles and, in turn,…”
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Solid lubrication performance of sandwich Ti3C2Tx-MoS2 composite coatings by Zambrano-Mera, Dario F., Broens, Martin I., Villarroel, Roberto, Espinoza-Gonzalez, Rodrigo, Aguilar-Hurtado, José Y., Wang, Bo, Suarez, Sebastián, Mücklich, Frank, Valenzuela, Paulina, Gacitúa, William, Rosenkranz, Andreas

“…[Display omitted] •Novel multi-layer Ti3C2Tx and MoS2 sandwich composite coatings were spray-coated onto stainless-steel for solid lubrication.•The…”
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Obtaining Nanoparticles of Chilean Natural Zeolite and its Ion Exchange with Copper Salt (Cu 2+ ) for Antibacterial Applications by Vergara-Figueroa, Judith, Alejandro-Martín, Serguei, Pesenti, Héctor, Cerda, Fabiola, Fernández-Pérez, Arturo, Gacitúa, William

“…This article describes the production of nanoparticles of Chilean natural zeolite, using three size reduction methods: Ball mill, microgrinding, and…”
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Quasistatic and Dynamic Nanoindentation Measurements of Pinus radiata D. Don S2 and CCML Cell Wall Layers by Oswaldo Erazo, Joseph E. Jakes, Nayomi Z. Plaza, Judith Vergara-Figueroa, Paulina Valenzuela, William Gacitúa

“…Quasistatic nanoindentation is a proven tool that provides information on the micromechanical behavior of wood cell walls. However, quasistatic tests cannot…”
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Morphological and Mechanical Characterization of Electrospun Polylactic Acid and Microcrystalline Cellulose by Gaitán, Alexander, Gacitúa, William

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Analyses of Impregnation Quality and Mechanical Properties of Radiata Pine Wood Treated with Copper Nanoparticle- and Micronized-Copper-Based Wood Preservatives by María Graciela Aguayo, Oswaldo Erazo, Claudio Montero, Laura Reyes, William Gacitúa, Liset Gómez, Hugo Torres

“…In this work, the impregnation quality and mechanical properties of Pinus radiata D.Don treated with different copper nanoparticles (CuNP) solutions (named K1…”
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An evaluation of fiber biometry and nanomechanical properties of different Eucalyptus species by Carrillo-Varela, Isabel, Valenzuela, Paulina, Gacitúa, William, Mendonça, Regis Teixeira

“…Wood fibers from seven Eucalyptus species were collected to investigate the relationships among species, fiber biometry, and nanomechanical properties. The…”
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Dissolution and Hydrolysis of Bleached Kraft Pulp Using Ionic Liquids by Reyes, Guillermo, Aguayo, María Graciela, Fernández Pérez, Arturo, Pääkkönen, Timo, Gacitúa, William, Rojas, Orlando J

“…Forestry industries in Chile are facing an important challenge-diversifying their products using green technologies. In this study, the potential use of Ionic…”
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Dual electrospinning of a nanocomposites biofilm: Potential use as an antimicrobial barrier by Vergara-Figueroa, Judith, Alejandro-Martin, Serguei, Cerda-Leal, Fabiola, Gacitúa, William

“…[Display omitted] The accumulation of plastic waste and infectious diseases has led the scientific community to search for new materials to make nanocomposites…”
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Development of Thin Films from Thermomechanical Pulp Nanofibers of Radiata Pine (Pinus radiata D. Don) for Applications in Bio-Based Nanocomposites by Vergara-Figueroa, Judith, Erazo, Oswaldo, Pesenti, Héctor, Valenzuela, Paulina, Fernández-Pérez, Arturo, Gacitúa, William

“…The main objective of this study was to develop cellulose nanofibers from the thermomechanical pulp (TMP) of Radiata Pine (Pinus radiata D. Don), and for this,…”
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Evaluation of the PLA-nZH-Cu Nanocomposite Film on the Micro-Biological, Organoleptic and Physicochemical Qualities of Packed Chicken Meat by Vergara-Figueroa, Judith, Cerda-Leal, Fabiola, Alejandro-Martín, Serguei, Gacitúa, William

“…This research evaluated the contribution of nanocomposite films based on different concentrations of nZH-Cu (1%, 2%, and 3%) to the microbiological,…”
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Eucalyptus nitens: nanomechanical properties of bark and wood fibers by Muñoz, Freddy, Valenzuela, Paulina, Gacitúa, William

“…In this study, Eucalyptus nitens species was nano-characterized to determine variability in nanomechanical properties within the cellular ultra-structure…”
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Effect of La3+ and Nb5+ on structural and mechanical properties of BaFeO3−δ by Akbari-Fakhrabadi, Ali, Fábrega, Gaspar, Ochoa, Paul, Meruane, Viviana, Valenzuela, Paulina, Gacitúa, William

“…Effect of La- and/or Nb-doping on structure and elastic behavior of BaFeO3−δ at room temperature and 850 °C were studied and compared. The Comparison of the…”
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Effect of La 3 + and Nb 5 + on structural and mechanical properties of BaFeO 3 − δ by Akbari-Fakhrabadi, Ali, Fábrega, Gaspar, Ochoa, Paul, Meruane, Viviana, Valenzuela, Paulina, Gacitúa, William

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Chusquea quila, a Natural Resource from Chile: Its Chemical, Physical, and Nanomechanical Properties by Oliveira, Patricia Emannuelly, Cunha, Ana Gisela, Reyes, Guillermo, Gacitúa, William, Petit-Breuilh, Ximena

“…Chusquea quila or “quila”, is one of the most abundant lesser-known species from Chile, and for many years it has created problems for farmers in the southern…”
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Caracterización nanomecánica de la estructura celular y anatómica de Eucalyptus nitens y su relación con la frecuencia de grietas y rajaduras en madera redonda by Valenzuela C, Paulina, Bustos A, Cecilia, Lasserre, Jean Pierre, Gacitúa E, William

“…El objetivo de este trabajo fue localizar el mínimo volumen en árboles de E. nitens que caracterice el comportamiento mecánico y anatómico para un muestreo no…”
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