Listar Artículos científicos por título
Mostrando ítems 527-546 de 851
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Nanoparticles and interfaces with toxic elements in fluvial suspended sediment
(Elsevier, 2021)Acceso restringidoStudies examining nanoparticles (NPs) and hazardous elements (HEs) contained in suspended sediments (SSs) are vital for watershed administration and ecological impact evaluation. The biochemical consequence of titanium-n ... -
Nanoparticles as vectors of other contaminants in estuarine suspended sediments: Natural and real conditions
(Elsevier, 2021)Acceso restringidoStudding the behaviour and danger of nanoparticles (NPs, minerals and amorphous phases) in the estuarine ecosystem is presently incomplete by the lack of measureable description of NPs in the ecological conditions, such ... -
Nanoparticles in fossil and mineral fuel sectors and their impact on environment and human health: A review and perspective
(Elsevier, 2021)Acceso restringidoNanoscience and technology have enabled better insights into the environmental and health impacts arising from the mining, production and use of fossil and mineral fuels. Here we provide an overview of the nanoscience-based ... -
Nanostructured Screen-Printed Electrodes Modified with Self-Assembled Monolayers for Determination of Metronidazole in Different Matrices
(Sociedade Brasileira de Quimica, 2014)Acceso abiertoThis paper describes the development of a sensor for the determination of metronidazole using a simple method involving the creation of nanoporous structures on gold electrodes followed by modification with self-assembled ... -
Nanostructured Sensors for Determination of 3-(3,4-Dichlorophenyl)-1,1-Dimethylurea Based in Molecularly Imprinted Polymers (MIPs) Deposited in Screen Printed Carbon Nanotubes
(The Electrochemical Society, 2015)Acceso abiertoA sensor based on molecularly imprinted polymers (MIP) was developed for determination of 3-(3,4-Dichlorophenyl)-1,1- dimethylurea (diuron). The MIP were synthesized by free radical polymerization in wich diuron acted ... -
Narrative modelling: A comparison of high and low mass dwelling solutions in Afghanistan and Peru
(SAGE Publications Ltd., 2023)Acceso restringidoDisplaced populations are housed in various constructions, including lightweight predesigned structures. Theoretically, self-built heavyweight structures should ensure better temperatures and be closer to cultural norms. ... -
Nations' income inequality predicts ambivalence in stereotype content: How societies mind the gap
(Wiley-Blackwell, 2013)Acceso abiertoIncome inequality undermines societies: The more inequality, the more health problems, social tensions, and the lower social mobility, trust, life expectancy. Given people's tendency to legitimate existing social arrangements, ... -
Neoliberalización de la gestión urbana en Lima Metropolitana, Perú
(Universidad de Chile, Instituto de la Vivienda, 2022)Acceso abiertoNuestro propósito es estudiar, en el marco de las reformas neoliberales, el tránsito de un Estado regulador a uno empresarial en relación a la gestión urbana desde 1990 hasta la actualidad en Lima, Perú. Por ello, hemos ... -
Neuropsychological maturity in pre-school children
(Anka Publishers, 2021)Acceso abiertoThe purpose of the research was to improve neuropsychological maturity in preschool children; to achieve this; a program of strategies that reinforced the levels of neuropsychological maturity was carried out. The research ... -
New Pyramid Proposal for the Levels of Scientific Evidence According to SIGN
(Lippincott Williams and Wilkins, 2022)Acceso abierto -
Nicanor Parra y Marco Martos: dos poetas frente a frente
(Pontificia Universidad Católica de Chile, Centro de Estudios de Literatura Chilena, Instituto de Letras,, 2019)Acceso abiertoEl objetivo de este ensayo es comparar la obra de Parra con la de Marco Martos, poeta peruano de los años sesenta del siglo pasado, con el fin de tejer relaciones intertextuales que permitan comprender plenamente algunos ... -
Niños YouTubers y el proceso de creación de videos: evidencia de competencias transmedia en acción
(Universidad de Guadalajara., 2018)Acceso abiertoAnaliza el proceso de creación y difusión de videos que desarrollan niños YouTubers peruanos para comprender el tipo de habilidades que se despliegan en dicho proceso a través del método de la etnografía digital. Los ... -
Nitrogen and metal pollution in the southern Caspian Sea: a multiple approach to bioassessment
(Springer, 2021)Acceso abiertoThe Caspian Sea hosts areas of high ecological value as well as industrial, leisure, and agricultural activities that dump into the water body different kinds of pollutants. In this complex context, a proper description ... -
'No, auntie, that's false': Challenges and resources of female baby boomers dealing with fake news on Facebook
(First Monday, 2023)Acceso abiertoThe spread of fake news on social media networks is on the rise, prompting a special interest in identification and coping skills among news consumers so that they can filter out misleading information. Studies suggest ... -
Nonlinear dynamics of origami metamaterials: energetic discrete approach accounting for bending and in-plane deformation of facets
(Springer, 2023)Acceso restringidoIn this paper, we start the analysis of the nonlinear dynamics of structural elements having an origami-type microstructure and micro-kinematics, also known as origami metamaterials. We use a finite-dimensional Lagrangian ... -
Nonlinear waves in pantographic beams induced by transverse impulses
(Elsevier, 2022)Acceso restringidoWe present and discuss the results of some numerical simulations dealing with wave motion in one-dimensional pantographic media, also known as pantographic beams. Specifically, the analysis is carried out in large displacements ... -
Nonprofit Advocacy in Weakly Institutionalized Political Systems: The Case of NGDOs in Lima, Perú
(Sage Publications Inc., 1993)Acceso restringidoNongovernmental development organizations (NGDOs) in the Third World are considered an important force in strengthening democratic practices. Many Third World countries, however, have political systems characterized by ... -
Nonuniform laminated beam of Lord–Shulman type
(John Wiley and Sons Inc, 2022)Acceso restringidoThe nonuniform thermoelastic laminated beam of the Lord–Shulman type is considered. The model is a two-layered beam with structural damping due to the interfacial slip. The well-posedness is proved by the semigroup theory ... -
Notas acerca de la sobreproducción de arte, la posfotografía y lo digital
(Universitat Oberta de Catalunya, 2014)Acceso abiertoEn este ensayo se hace un análisis del decálogo de la posfotografía. Se discuten cuatro de sus aspectos: la autoría, la prescripción del sentido, el reciclaje como estrategia poscreativa, lo lúdico y la trinchera. A pesar ... -
Novel Thiosemicarbazone Derivatives from Furan-2-Carbaldehyde: Synthesis, Characterization, Crystal Structures, and Antibacterial, Antifungal, Antioxidant, and Antitumor Activities
(Hindawi Limited, 2023)Acceso abiertoTen new thiosemicarbazone derivatives, furan-2-carbaldehyde thiosemicarbazone (1), 3-methyl-furan-2-carbaldehyde thiosemicarbazone (2), 5-hydroxymethyl-furan-2-carbaldehyde thiosemicarbazone (3), 5-trifluoromethyl-furan- ...