Listar Centro de investigación de Nanotecnología Aplicada (CNAP) por fecha de publicación
Mostrando ítems 21-40 de 91
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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
(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 ... -
Protein capped nanosilver free radical oxidation: role of biomolecule capping on nanoparticle colloidal stability and protein oxidation
(ROYAL SOC CHEMISTRY, 2018)We studied the effect of human serum albumin protein capped spherical nanosilver on the nanoparticle stability upon peroxyl radical oxidation. The nanoparticle-protein composite is less prone to oxidation compared to the ... -
Layer-by-layer assembled gold nanoparticles/lower-generation (Gn <= 3) polyamidoamine dendrimers-grafted reduced graphene oxide nanohybrids with 3D fractal architecture for fast, ultra-trace, and label-free electrochemical gene nanobiosensors
(ELSEVIER ADVANCED TECHNOLOGY, 2018)Three layer-by-layer (LBL) assembled gold nanoparticles (AuNPs)/lower-generation (Gn <= 3) polyamidoamine dendrimer (PD) with reduced graphene oxide (rGO) as the core/mercaptopropinoic acid (MPA)/Au were successfully ... -
Rational Design, Synthesis and Evaluation of CD-Containing as a Prednisone Delivery Platform
(Facultad de Ciencias, 2018)This study describes the in-silico rational design, synthesis and evaluation of cross-linked polyvinyl alcohol hydrogels containing γ-cyclodextrin (γ-CDHSAs) as platforms for the sustained release of prednisone (PDN). ... -
A mechanistic approach for the optimization of loperamide loaded nanocarriers characterization: Diafiltration and mathematical modeling advantages
(ELSEVIER SCIENCE BV, 2018)Oral bioavailability of loperamide is restricted by its limited absorption in the gastrointestinal tract due to its poor aqueous solubility and its P-glycoprotein (Pgp) substrate characteristic. In addition, ammonium ... -
NANoPoLC algorithm for correcting nanoparticle concentration by sample polydispersity
(ROYAL SOC CHEMISTRY, 2018)Variability in the polydispersity of colloidal nanoparticles results in significant differences in the total number of nanoparticles available for the determination of their concentration, which ultimately affects their ... -
In-Silico Design, Synthesis and Evaluation of a Nanostructured Hydrogel as a Dimethoate Removal Agent
(Chile. Universidad Mayor, 2018-01-04)This study describes the in-silico design, synthesis, and evaluation of a cross-linked PVA hydrogel (CLPH) for the absorption of organophosphorus pesticide dimethoate from aqueous solutions. The crosslinking effectiveness ... -
One-step coelectrodeposition-assisted layer-by-layer assembly of gold nanoparticles and reduced graphene oxide and its self-healing three-dimensional nanohybrid for an ultrasensitive DNA sensor
(ROYAL SOC CHEMISTRY, 2018-01-21)A layer-by-layer (LBL) assembly was employed for preparing multilayer thin films with a controlled architecture and composition. In this study, we report the one-step coelectrodeposition-assisted LBL assembly of both gold ... -
Correction: One-step coelectrodeposition-assisted layer-by-layer assembly of gold nanoparticles and reduced graphene oxide and its self-healing three-dimensional nanohybrid for an ultrasensitive DNA sensor
(ROYAL SOC CHEMISTRY, 2018-02-07)Correction for ‘One-step coelectrodeposition-assisted layer-by-layer assembly of gold nanoparticles and reduced graphene oxide and its self-healing three-dimensional nanohybrid for an ultrasensitive DNA sensor’ by Jayakumar ... -
Prelimary Results of the Reaction of Cyclotrimerization of Phenylacetylene [2+2+2] Catalyzed by [(Cp*)Co(Indene)] Complex
(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 ... -
Molecular simulations of carbon allotropes in processes with creation and destruction of chemical bonds
(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 ... -
Relationship between photo-physical and electrochemical properties of D--A compounds regarding solar cell applications. 1. Substituent type effect in photovoltaic performance
(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 ... -
Physical-chemical properties of M@Fe3O4 core@shell nanowires (M = Cu, Co, CoO)
(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 ... -
Electrochemical in situ synthesis of polypyrrole nanowires
(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 ... -
dsDNA Sensing Capabilities of Metallopolymers Electrochemically Deposited from Ruthenium-Pyrrole and - Thiophene Complexes
(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 ... -
UV-VIS spectroelectrochemical in situ study during the electrosynthesis of copolymers
(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 ... -
Imogolite in water: Simulating the effects of nanotube curvature on structure and dynamics
(Elsevier BV, 2019-07)Imogolite is a fascinating inorganic nanotube that is found in nature or synthesized in a laboratory. The synthesis process is carried out in liquid media, and leads to the formation of almost monodisperse diameter nanotubes. ... -
Using classical Cepheids to study the far side of the Milky Way disk: I. Spectroscopic classification and the metallicity gradient
(Chile. Universidad Mayor, 2020)Context. Much of what we know about the Milky Way disk is based on studies of the solar vicinity. The structure, kinematics, and chemical composition of the far side of the Galactic disk, beyond the bulge, are still to be ... -
Ethylene polymerization by binuclear chromium complex with tetrakis(pyrazolyl-methyl)benzene ligand
(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] ... -
Size and temperature dependent magnetization of iron nanoclusters
(Chile. Universidad Mayor, 2020)The magnetic behavior of bcc iron nanoclusters, with diameters between 2 and 8 nm, is investigated by means of spin dynamics simulations coupled to molecular dynamics, using a distance-dependent exchange interaction. ...