Results 21 to 30 of about 540,048 (198)

Factores Psicológicos Condicionantes de la Actitud Emprendedora en Estudiantes de la Licenciatura de Psicología [PDF]

open access: yes, 2016
EmprendedorEn el presente trabajo se identificaron los factores psicológicos condicionantes de la actitud emprendedora en estudiantes de la licenciatura en psicología, se planteó como objetivo la relación que existe entre factores psicológicos ...
Macedo Avilés, Delma   +2 more
core  

Combinatorial Synthesis of Next Generation Water‐Soluble Quaternized N‐Halamine Oligomers with Long‐Lasting Antiviral Properties

open access: yesAdvanced Functional Materials, EarlyView.
A combinatorial library of dual‐functional antiviral oligomers incorporating N‐halamine and quaternary ammonium functionalities is developed for long‐lasting antiviral activity. The lead materials exhibit rapid and durable antiviral activity against SARS‐CoV‐2 variants and influenza H1N1, with 4 to 5 log reduction in viral copies at 5 mg mL−1 ...
Eid Nassar‐Marjiya   +14 more
wiley   +1 more source

Marco metodológico para la implementación y evaluación de Living Labs [PDF]

open access: yes, 2008
El Living Lab constituye un enfoque de investigación para la innovación que desafía todo el proceso de innovación e investigación en condiciones de la vida real mediante aspectos institucional, organizacional, cultural, social y humano, teniendo un ...
García Guzmán, Javier
core   +1 more source

Wavelength‐Dependent Differential Amplification of Raman Scattering by Chiral Gold Nanorods for Multiplexed Encoding

open access: yesAdvanced Functional Materials, EarlyView.
The SERS spectra of reporter molecules adsorbed on chiral gold nanorods depends on the handedness of circularly polarized light (CPL‐SERS). The bisignate plasmonic CD spectra of chiral nanorods provides wavelength‐dependent CPL‐SERS. Selective discrimination of chiral nanorod handedness and different Raman reporters allow highly sensitive codification ...
Andrés Serrano‐Freijeiro   +9 more
wiley   +1 more source

Cryogenic Focused Ion Beam Milling to Investigate the Anisotropic Magnetotransport Properties of Bismuth Microcrystals

open access: yesAdvanced Functional Materials, EarlyView.
The highly anisotropic Fermi surface of bismuth results in variations in magnetotransport properties across different crystallographic directions, which can be characterized by studying microcrystals. To avoid the observed surface melting under room temperature Focused Ion Beam (FIB) irradiation, two low‐temperature FIB fabrication methods are proposed
Amaia Sáenz‐Hernández   +6 more
wiley   +1 more source

High‐Yield Synthesis of Fe‐NC Electrocatalysts Using Mg2+ Templating and Schiff‐Base Porous Organic Polymers

open access: yesAdvanced Functional Materials, EarlyView.
Fe─NC porous oxygen reduction electrocatalysts are prepared employing a 2,4,6‐Triaminopyrimidine‐based porous organic polymer, a Mg2+ Lewis acid, and a low‐temperature cation exchange protocol. Using the polymer precursor achieves high pyrolysis yields and results in atomically dispersed FeNx sites. The resulting catalysts feature hierarchical porosity
Eliot Petitdemange   +11 more
wiley   +1 more source

Análisis de los factores de innovación en el sector de cafés especiales del Quindío [PDF]

open access: yes, 2014
Con el objetivo de determinar y analizar los factores de innovación en el segmento cafés especiales en el departamento del Quindío, se realizó una identificación de la cadena de valor de dicho segmento de negocio en el contexto internacional, con altos
Mejía Vélez, Silvia Helena   +1 more
core  

From Waste to Value: Conversion of Calcium Sulfate to Vaterite via Carbon Capture and Storage

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a new concept for carbon management that relies on the carbonation of industrial gypsum waste and yields phase‐pure vaterite at ambient conditions without any additives. The obtained vaterite is further shown to be a reactive material that develops compressive strength in aqueous suspensions like conventional cements.
Carlos Pimentel   +4 more
wiley   +1 more source

Propuesta administrativa y estratégica de la empresa Insitel S.A.S Alcalá - Valle [PDF]

open access: yes, 2015
El papel clave que tiene la tecnología, y especialmente la innovación, en la construcción y sostenimiento de la competitividad de empresas y países, está generando un cambio en las prácticas de gestión empresarial. La búsqueda deliberada y sistemática de
Olarte Ochoa, Aida Patricia   +1 more
core  

Exciton‐Polaritons in Nanoscale Metal‐Organic Frameworks: A Platform for the Reversible Modulation of Strong Light‐Matter Coupling via the Chemical Environment

open access: yesAdvanced Functional Materials, EarlyView.
Strong exciton‐photon coupling is achieved by integrating porphyrin ligand‐based MOF nanoparticles in optical cavities, as evidenced by pronounced polariton branch anticrossing. The porous nature of the resonator enables precise, reversible tuning via vapor pressure, unlocking unprecedented chemical‐environment controlled dynamic polaritonic platforms ...
Beatriz de Sola‐Báez   +7 more
wiley   +1 more source

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