Results 11 to 20 of about 755 (151)
Smart NIR-Emitting Organometallo Pt(II)-Ionosilica Aerogel for Selective Au(III) Sensing and Recovery. [PDF]
SmallThis study reports a near‐infrared emitting ionic aerogel composed of cationic cyclometalated Pt(II) moieties linked by Si─O─Si bonds. The resulting porous hybrid material enables the selective detection and recovery of Au(III) ions from mixed‐metal solutions. Owing to its reversible luminescent response and thiourea‐assisted gold recovery, the aerogel
Herce J +8 more
europepmc +2 more sources
Synthesis of Benzopyrans and Quinolines with Nitrogenated Chain and Their Cytotoxicity Against Human Cancer Cell Lines. [PDF]
ChemMedChemNatural products and/or their structural analogs represent the greatest number of approved small‐molecules as antitumor agents. We report the synthesis of 2‐propanamide and 2‐propanamine dihydrobenzopyrans and 2‐ and 2,3‐disubstituted quinolines to evaluate their cytotoxicity against human A549 (lung), A2058 (melanoma), HepG2 (liver), MCF‐7 (breast ...
Álvaro BS +8 more
europepmc +2 more sources
Movimiento indígena y retos electorales en Colombia: regreso de lo indio para una apuesta nacional
Elecciones, 2009 Espacio privilegiado para una puesta en escena de lo político, los procesos electorales se prestan para un juego sutil entre las apariencias y las pertenencias.
Laurent, Viriginie
doaj +1 more source
Sexismo en chicas adolescentes: análisis comparativo entre población general y de medidas judiciales
INFAD, 2023 El sexismo es definido como una actitud de animadversión y discriminación dirigida hacia las personas en base a su categoría sexual o género, sustentando las relaciones de desigualdad entre hombres y mujeres.
Mª Dolores Gil Llario +4 more
doaj +1 more source
Structured workflow achieving interoperable smart energy systems
Energy Informatics, 2018 Interoperability is the key to Smart Grids and thereby to enable the energy transmission towards 100% renewable energy sources. The project Integrating the Energy System (IES) Austria adopted the holistic methodology to achieve interoperable systems ...
Marion Gottschalk +4 more
doaj +1 more source
Signo y Seña, 2022 El ciberacoso sexual a menores, también denominado online grooming (OG), se ha convertido en un gravísimo problema social en todo el mundo. Numerosas fuentes nos alertan del crecimiento de este delito, que vulnera los derechos de la infancia y deja ...
Nuria Lorenzo-Dus +3 more
doaj +1 more source
Tempo Social, 2001 Este artigo analisa a constituição de uma comunidade alternativa no planalto central do Brasil, a partir do que se convencionou chamar de "novas formas contemporâneas de sociabilidade".
Aico Sipriano Nogueira
doaj +1 more source
Journal of Asian Rural Studies, 2020 There is a popular myth or fallacy based on the idea that organic fruits and vegetables are always more expensive than conventional products. To assess whether this statement is true, a qualitative and quantitative research was conducted between ...
Maria Aico Watanabe +2 more
doaj +1 more source
Energies, 2019 In this study, an extensive set of experiments has been performed to investigate how the emissions of carbon monoxide (CO) and particulate matter (PM) from wood pellet combustion are correlated with the different layout of air inlets in the two burner ...
Luigi F. Polonini +3 more
doaj +1 more source
BRICS and Industrial Cooperation: China’s Role and Lesson from ASEAN [PDF]
Contemporary Chinese Political Economy and Strategic Relations: An International Journal, 2021 Industrial cooperation among BRICS countries (Brazil, Russia, India, China, and South Africa) has been mostly lacking to date, exacerbated by the absence of a memorandum of understanding or agreement on the subject.
Siti Rahyla Rahmat, Mohamed Aslam
doaj