Listar FRD - Investigación - Ciencia y Tecnología por título
Mostrando ítems 98-117 de 149
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Nanoestructuras esféricas núcleo-cáscara con resonancias plasmónicas sintonizables
(Asociación Argentina de Investigación en Fisicoquímica, 2019-04)Las nanopartículas constituidas por un núcleo dieléctrico rodeado por una capa metálica forman una clase de nanoestructuras con notables propiedades ópticas. Sus resonancias de plasmones superficiales derivan del acoplamiento ... -
Nanoestructuras plasmónicas y magnéticas como fotocatalizadores en la oxidación de arsénico y su remoción del agua
(2022-10-03)Desarrollamos un protocolo de síntesis de nanoestructuras catalíticas bifuncionales, con propiedades plasmónicas y magnéticas, conformadas por nanoesferas de oro adsorbidas sobre un núcleo magnético de Fe3O4, para ser ... -
Nanopartículas metálicas para remediación de aguas con arsénico
(2023-05-03)La exposición prolongada al arsénico presente en aguas naturales provoca enfermedades crónicas en la población. La remoción de este metaloide de forma rápida y eficiente es uno de los mayores desafíos de hoy. En este trabajo ... -
Nanorod-based plasmonic substrates with predefined optical resonances
(2018)To design and fabricate plasmonic substrates to be used in ultrasensitive chemical sensing or surfaceenhanced spectroscopies, it is important to achieve control on the morphology, dimensions and surface density of metallic ... -
Natural vibrations of anisotropic plates with an internal curve with hinges
(2017-11)The objective of this paper is to propose a general algorithm to obtain approximate analytical solutions for the study of the free vibrations of a rectangular anisotropic thin plate with an internal curved line hinge and ... -
Natural vibrations of anisotropic plates with several internal line hinges
(Sprimger Link, 2013-05-29)This paper deals with the free transverse vibration of anisotropic plates with several arbitrarily located internal line hinges and piecewise smooth boundaries, elastically restrained against rotation and translation. The ... -
Numerical model of UOE steel pipes: Forming processand structural behavior
(ASOCIACIÓN ARGENTINA DE MECÁNICA COMPUTACIONAL AMCA, 2007)Deepwater pipelines are designed to withstand, without collapsing, the external pressureand bending imposed on them, either by the laying process or by the topology of the sea bottom. In previous publications CINI researchers ... -
On application of theory of distributions to static and dynamic analysis of cracked beams
(2016)This paper presents a rigorous study on the static and dynamic behavior of beams affected by cracks. The theory of distributions developed by Laurent Schwartz is adopted as it is particularly suitable for the treatment of ... -
Optical coherence tomography-based scanning system for shape determination, wall thickness mapping, and inner inspection of glass containers
(2013-02)In this work we present a method that enables simultaneous measurement of shape and wall parameters of glass containers. The system is based on the optical coherence tomography technique, employing the spectral domain ... -
Optimization of a site-specific biostimulation strategy using response-surface methodology to remediate a chronically hydrocarbon-contaminated industrial soil.
(Argentine Society for Biochemistry and Molecular Biology, 2021-11)In present times, contamination with petroleum compounds is one of the most important environmental problems, mainly in industrial areas. The Zárate-Campana petrochemical pole, Buenos Aires, Argentina, has a history of ... -
Optimization of biomass production by autochthonous Pseudomonas sp. MT1A3 as a strategy to apply bioremediation in situ in a chronically hydrocarbon-contaminated soil.
(2022-04)These days, petroleum hydrocarbon pollution has become a global problem, because of this, bioremediation is presented as a strategy for cleaning up sites contaminated with organic pollutants, and it has an increasing role ... -
Plasmon-induced photochemical synthesis of silver triangular prisms and pentagonal bipyramids by illumination with light emitting diodes
(2013)We have grown silver prisms and pentagonal bipyramids, induced by plasmon excitation on a colloidal solution under the irradiation of light emitting diodes of different colors. Two methods of synthesis of the seeds were ... -
Potential of vegetable oil degrading bacteria as inoculum for bioaugmentation in the remediation of contaminated sites.
(Encuentro Internacional de Ciencias de la Tierra, 2022-11)The environment is negatively impacted by occasional discharges from industrial activity. When these discharges contain insoluble compounds such as fats, oils and grease, they are high impact pollutants. This work focuses ... -
Preliminary study of a heterodyne detection system for optical coherence tomography signals
(2019-10-24)A heterodyne detection system for optical coherence tomography signalsis presented and characterized. The system allows to expand the range of measurement and overcome the limitations of conventional systems which typically ... -
Reconstrucción de imágenes topográficas para caracterización de superficies mediante microscopía óptica de baja coherencia
(Congreso Internacional de Metalurgia y Materiales SAM-CONAMET 2018, 2018-10-30)Se presenta la técnica de microscopía óptica de baja coherencia en el dominio de las frecuencias (OCM-FD) para la obtención de imágenes 3D que permiten reconstruir la topografía de una superficie. La técnica puede ser ... -
Recubrimiento controlado de sustratos de vidrio con nanobastones metálicos
(2015-03-12)Se realizó la síntesis de nanobastones de oro monodispersos con una eficiencia superior al 80% sobre el total de nanopartículas, caracterizado por una resonancia plasmónica longitudinal cercana a los 800 nm. Se modi- ficaron ... -
Redes Neuronales aplicadas al monitoreo de procesos de perforación en probetas de material geológico
(2019)Una Red Neuronal Artificial (RNA) es un modelo matemático computacional que intenta imitar, limitadamente, la estructura y funcionamiento de neuronas biológicas las cuales, a grandes rasgos, toman señales eléctricas de ... -
Reduction of measurement errors in OCT scanning
(Spie Digital Library, 2018-03-05)Optical coherence tomography (OCT) is a non-destructive optical technique, which uses a light source with a wide band width that focuses on a point in the sample to determine the distance (strictly, the optical path ... -
Relevamiento de los residuos generados por PYMES en la ciudad de Campana.
(2018)El amplio espectro industrial en la ciudad de Campana nos impulsó al estudio de los residuos generados por las mismas. En esta primera etapa, se avanzó en la recolección de información y en la generación de un registro de ... -
Removal of vegetable oils from contaminated coastal soil by bioaugmentation and biostimulation
(Congreso Latinoamericano de Ecología Microbiana, 2023-08)The environment is negatively impacted by occasional discharges from industrial activity. When these events contain insoluble compounds such as fats and oils, they are high impact pollutants. This work focuses on an ...