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Now showing items 1141-1150 of 1213
Simultaneous Microwave-Ultrasound Assisted Extraction of Bioactive Compounds from Bark
(2020-08-22)
Larix decidua is one of the fastest growing conifers and one of the most important coniferous tree species in Europe with high importance at wood-based industry; however, the bark generated from the debarking process is ...
Preparation and characterization of composites based on poly(lactic acid)/poly(methyl methacrylate) matrix and sisal fiber bundles: The effect of annealing process
(Sage, 2020-06-12)
The interest on poly(lactic acid) (PLA)/poly(methyl methacrylate) (PMMA) blends has increased during the last years due to their promising properties. The novelty of the current work focuses on the preparation and ...
Flexible dynamic model of PHEX for transient simulations in Matlab/Simulink using finite control volume method
(Elsevier, 2020-11-13)
In order to improve the energy efficiency and control of heat pump systems, it is necessary to develop dynamic models that accurately simulate their real performance. In addition, these models will help to carry out future ...
Synthesis of novel hybrid quinolino[4,3-b][1,5]naphthyridines and quinolino[4,3-b][1,5]naphthyridin-6(5H)-one derivatives and biological evaluation as topoisomerase I inhibitors and antiproliferatives
(Elsevier, 2020-04-03)
The topoisomerase I enzymatic inhibition of hybrid quinolino [4,3-b] (Siegel et al., 2013; Antony et al., 2003) [1,5]naphthyridines and quinolino [4,3-b] (Siegel et al., 2013; Antony et al., 2003) [1,5]naphthyridin-6(5H)-ones ...
Novel phosphine sulphide gold(I) complexes: topoisomerase I inhibitors and antiproliferative agents
(RSC, 2020-05-20)
This work describes the synthesis of the gold(I) complexes of phosphine sulphides. The formation of these new derivatives has been confirmed by X-ray crystallography. The coordination of gold(I) with the sulphur atom of ...
Sinergias de sororidad en las comunidades virtuales de las revistas femeninas. El caso del cierre del foro de Vogue
(RLCS, 2020-02-26)
Introducción. La progresiva desaparición de los foros como elemento ya arcaico de conversación en los cibermedios es un hecho con el cierre de uno de los últimos que quedaban activos como es el de la revista Vogue. Un ...
Behind the Comments Section: The Ethics of Digital Native News Discussions
(Cogitatio Press, 2020-04-16)
Initially offered as a digital public sphere forum, comments sections became the preferred democratic arena for gatekeepers to encourage their readers to engage in constructive dialogue about relevant issues. However, news ...
Actitud ante las Fake News: estudio del caso de los estudiantes de la Universidad del País Vasco
(Universidad Piura, 2020-03)
The Internet and social networks have become the most attractive and accessible information channel for young people. Objectives. Examine the behavior of university students when facing fake news and their opinion on this ...
Secondary Phosphine Oxides: Bifunctional Ligands in Catalysis
(Willey, 2020-06-10)
Metal complexes of secondary phosphine oxides (SPOs) were introduced as homogeneous catalysts in the 1980s for hydroformylation and hydrogenation with platinum as the metal. As neutral species, the ligand properties resemble ...
Salt-Marsh Foraminiferal Distributions from Mainland Northern Georgia, USA: An Assessment of Their Viability for Sea-Level Studies
(Ubiquity Press, 2020-03-26)
We investigated foraminiferal distributions from two salt-marsh sites at Thunderbolt and Georgetown, in mainland northern Georgia, U.S. Atlantic coast. We analyzed modern epifaunal foraminiferal assemblages across multiple ...