Browsing by Author "XX579341"
Now showing items 1-20 of 27
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Jara Vergara, Paul; Yutronic Sáez, Nicolás; González Moraga, Guillermo (Taylor and Francis, 1998)13C CP-MAS NMR spectra of thiourea host-guest inclusion compounds containing amines, 1-azabicyclo[2.2.2]octane, 1,4-diazabicyclo[2.2.2]octane, 3-azabicyclo[3.2.2]nonane and 1, 3, 5, 7 tetrazadamantane at 25°C are reported. ...
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Herrera, Bárbara A.; Bruna Larenas, Tamara; Sierpe Bustamante, Rodrigo; Lang Pontony, Erika; Urzúa Acevedo, Marcela; Flores Carrasco, Marcos; Jara Vergara, Paul; Yutronic Sáez, Nicolás (Elsevier, 2020)In this work, we present a solid silicon substrate functionalized with modified beta-cyclodextrin monolayers as an optimal surface for organic contaminant uptake. The inclusion and capture of three potential pollutants, ...
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Merchan Vélez, Juan; Lavayen, Vladimir; Jara Vergara, Paul; Sánchez, Víctor; Yutronic Sáez, Nicolás (SOC CHILENA QUIMICA, 2008-06)Thiourea and urea can modify their typical host properties to form new ternary polymolecular anionic halogen hosts in which the diquinuclidinium cation is included. A comparative study of the proton conductivity properties ...
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Silva, Nataly; Arellano, Esteban; Castro, Carmen; Yutronic Sáez, Nicolás; Lang, Erika; Chornik Aberbuch, Boris; Jara Vergara, Paul (Springer, 2015)The preparation and structural elucidation of the 2 alpha-cyclodextrin/decylamine inclusion compound (IC) by proton nuclear magnetic resonance, rotating frame overhauser effect spectroscopy and powder X-ray diffraction ...
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Venegas Salazar, Sebastián Nicolás; Yutronic Sáez, Nicolás; Kogan, Marcelo J.; Jara Vergara, Paul (MDPI, 2021)This article describes the synthesis and characterization of beta-cyclodextrin-based nano-sponges (NS) inclusion compounds (IC) with the anti-tumor drugs melphalan (MPH) and cytoxan (CYT), and the addition of gold nanoparticles ...
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Sierpe, Rodrigo; Lang, Erika; Jara, Paul; Guerrero, Ariel; Chornik, Boris; Kogan Bocian, Marcelo; Yutronic Sáez, Nicolás (American Chemical Society, 2015)We report the synthesis of a 1:1 beta-cydodextrin-phenylethylamine (beta CD-PhEA) inclusion complex (IC) and the adhesion of gold nanoparticles (AuNPs) onto micro crystals of this complex, which forms a ternary system. The ...
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Asela, I.; Noyong, M.; Simon, U.; Andrades Lagos, Juan Andrés; Campanini Salinas, J.; Vásquez Velásquez, David; Kogan Bocian, Marcelo; Yutronic Sáez, Nicolás; Sierpe, R. (Public Library Science, 2017)While 2-amino-4-(4-chlorophenyl)thiazole (AT) drug and thiazole derivatives have several biological applications, these compounds present some drawbacks, such as low aqueous solubility and instability. A new complex of ...
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Silva, Nataly; Muñoz, Camila; Díaz Marcos, Jordi; Samitier, Josep; Yutronic Sáez, Nicolás; Kogan Bocian, Marcelo; Jara, Paul (Springer, 2016)Evidence of guest migration in α-cyclodextrin-octylamine (α-CD-OA) inclusion compound (IC) generated via plasmonic heating of gold nanoparticles (AuNPs) has been studied. In this report, we demonstrate local effects ...
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Jara, Paul; Cañete, Ximena; Lavayen, Vladimir; Yutronic Sáez, Nicolás (2004)We report the synthesis of α- and γ-ciclodextrin inclusion compounds with dodecylamine (DDA), and octadecylamine (ODA). Elemental analysis, 13C CP- MAS NMR spectroscopy, scanning electron microscopy (SEM) and powder X-ray ...
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Jara Vergara, Paul; González Moraga, Guillermo; Manríquez Castro, Víctor; Wittke, Oscar; Yutronic Sáez, Nicolás (Sociedad Química Chilena, 2003-10-02)The structure of the 1: 2 adduct of hexamethylenetetramine and thiaurea was reanalyzed reinterpreting X-ray diffractian data and providing additianal IR and NMRspectrascapic features. The praduct is thus described as ...
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Salazar, Sebastián; Yutronic Sáez, Nicolás; Jara Vergara, Paul (MDPI, 2020)This article describes the use of beta-cyclodextrin-based carbonate nanosponges (NSs) decorated with superparamagnetic Fe3O4 nanoparticles to study and investigate the potential removal of dinotefuran (DTF) from wastewater. ...
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Castillo, C.; Buono-Core, Gonzalo E.; Manzur, C.; Yutronic Sáez, Nicolás; Sierpe Bustamante, Rodrigo; Cabello, G.; Chornik Aberbuch, Boris (Sociedad Chilena Química, 2016)Gold nanoparticles (AuNPs) were deposited by DC-magnetron sputtering onto molybdenum trioxide (MoO3) thin films grown by Photochemical Metal-Organic Deposition (PMOD) on Si(100) and borosilicate glass substrates. The ...
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Ni/Ni oxides nanoparticles with potential biomedical applications obtained by displacement of a ... Rodríguez Llamazares, Saddys; Merchán, Juan; Olmedo, Ivonne; Marambio, Héctor; Muñoz, Juan; Jara, Paul; Sturm, Juan; Chornik, Boris; Peña, Octavio; Yutronic Sáez, Nicolás; Kogan Bocian, Marcelo (2008)A new synthesis and stabilization method was developed for paramagnetic nanoparticles composed of nickel and nickel oxides. Nickel/nickel oxides nanoparticles were synthesized by a method based on ligand displacement of ...
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Barrientos, Lorena; Yutronic Sáez, Nicolás; Monte, Francisco del; Gutiérrez, María C.; Jara Vergara, Paul (2007)An ordered self-assembly of gold nanoparticles (AuNPs) onto microcrystal faces of a 2 alpha-cyclodextrin-dodecanethiol (2 alpha CD-DDT) inclusion compound (IC) by means of a magnetron sputtering technique was obtained. The ...
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Polyphosphazenes as solid templates for the formation of monometallic and bimetallic nanostructures Díaz Valenzuela, Carlos; Valenzuela, María Luisa; Yutronic Sáez, Nicolás (2007)A simple synthetic route to monometallic and bimetallic nanostructured materials is presented. Pyrolysis of the organometallic iron co-polyphosphazenes, [{[N = P(R 1) 2] 0.8[N = P(OC 6H 4CH 2CN[Fe]) 2] 0.15}{PF 6} 0.32] n ...
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Merchán, Juan; Yutronic Sáez, Nicolás; Jara Vergara, Paul; Garland, María Teresa; Baggio, Ricardo (SPRINGER, 2006-08)Host-guest supramolecular complexes are of special interest for understanding the chemistry in low dimensional spaces. The molecular recognition involved in the formation of such structures sometimes may be a relevant model ...
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Merchán, Juan; Yutronic Sáez, Nicolás; Garland, María Teresa; Baggio, Ricardo (TAYLOR & FRANCIS LTD, 2004-03)The synthesis, crystal structure and properties of a novel ternary inclusion compound formed by protonated bis(quinuclidine) inserted in a urea-chloride anionic host, urea(5)[quinuclidine(2)H]Cl-+(-) (1), are reported. In ...
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Merchán, Juan; Yutronic Sáez, Nicolás; Jara, Paul; Garland, María Teresa; Baggio, Ricardo (2006)Host-guest supramolecular complexes are of special interest for understanding the chemistry in low dimensional spaces. The molecular recognition involved in the formation of such structures sometimes may be a relevant model ...
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Barrientos, L.; Lang, E.; Zapata Torres, Gerald Amilcar; Celis Barros, C.; Orellana, C.; Jara Vergara, Paul; Yutronic Sáez, Nicolás (Springer, 2013)The structural elucidation of 2α-cyclodextrin/ 1-octanethiol, 2α-cyclodextrin/1-octylamine and 2α- cyclodextrin/1-nonanoic acid inclusion complexes by nuclear magnetic resonance (NMR) spectroscopy and molecular modeling ...
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Jara Vergara, Paul Sebastian; Justiniani, Montserrat; Yutronic Sáez, Nicolás; Sobrados, Isabel (Editura Stiintifica F. M. R., 1998)We report the syntheses and structural aspects of cyclodextrin host-guest inclusion compounds containing linear secondary alkylamines (dipropyl, dibutyl, dipentyl, dihexyl, and dioctyl) at 25°C. Elemental analysis, C CP-MAS ...