Results 31 to 40 of about 134,869 (239)
Uni-pluriversidad, 2011 Este artículo presenta, en primer lugar, una aproximación a la problemática y los riesgos psicosociales a los cuales están expuestos los profesores vinculados bajo la modalidad de hora cátedra, dadas las nuevas condiciones de trabajo que impone el ...
Oscar Hernán Velásquez Arboleda +1 more
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Nosocomial Infections at the Neonatal Intensive Care Unit of Fundación Cardioinfantil in Bogotá [PDF]
Revista Ciencias de la Salud, 2008 Objective. To describe the demographic characteristics,etiologic agents, some associated factorsand, the resistance pattern of the microorganismsin neonates identified with nosocomialinfections at the Neonatal Intensive Care Unitof Fundación ...
Jenny Eraso, MD, esp. +3 more
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Advanced Science, EarlyView.Here, we designed the Me‐FBSe molecule and prepared a two‐dimensional molecular crystal via liquid‐liquid interface assembly. The crystal preserves the high photoluminescence quantum while simultaneously ensuring the high‐density surface exposure of active sites.
Shuya Liu +6 more
wiley +1 more source
Revista Colombiana de Cardiología, 2013 en Colombia la enfermedad coronaria ocasionó 29.394 muertes en 2011 ocupando el primer lugar como causa de mortalidad, según el Departamento Nacional de Estadística.
Clemencia Bernal, RN., Esp +3 more
doaj +1 more source
Advanced Science, EarlyView.An in‐situ spacer‐cation construction strategy is developed by inducing strong hydrogen bonding between n‐hexyl phosphonic acid (HPA) and FA+, forming a stable N‐type 2D/3D perovskite heterostructure. This approach suppressed defect formation, promoted electron transport, and improved intrinsic stability, delivering 26.32% PCE, excellent operational ...
Min Liu +10 more
wiley +1 more source
Advanced Science, EarlyView.Ti‐doped Zr/Ti bimetallic MOFs activate neighboring Zr sites to selectively capture phospholipids from serum through cooperative interactions. In nontargeted screening, the material minimizes matrix interference, expands detectable feature coverage, and enables broad recovery of diverse chemical hazards, providing a powerful cleanup strategy for LC ...
Yanmin Liang +5 more
wiley +1 more source
Polarization Engineering in Vinylene‐Linked COFs Toward Efficient Neuromorphic Computing
Advanced Science, EarlyView.A vinyl‐linked covalent organic framework (COF‐DIBPY) was synthesized on a conductive substrate for memristor applications. Redox reactions and bromide migration enable low‐voltage (0.5V) conductance switching with high analog on/off ratio (15.7). The device was further integrated into a speech emotion recognition system for acoustic simulation and ...
Hao Wang +5 more
wiley +1 more source
Multimed, 2017 RESUMEN Se realizó una investigación observacional del tipo analítica de caso y control para determinar qué factores de riesgo influyen en la aparición de lesiones premalignas en pacientes de 15-59 años en el consultorio 26 de Roberto Reyes, Bayamo ...
Ibrahim Andrés Rogert Alcolea +4 more
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Revista Colombiana de Cardiología, 2012 en Colombia, según estadísticas recientes, las enfermedades cardiovasculares representan la segunda causa de mortalidad. En tal sentido, para Casanare, en 2009, la mortalidad fue de 54,3%.
Mónica A. Calderón, Esp +3 more
doaj +1 more source
Advanced Science, EarlyView.Fe3S4 crystal with the exposed [001] facet exhibits higher catalytic activity for activating peroxydisulfate (PDS) to degrade clothianidin (CLO), which can be attributed to the dissolved Fe‐induced homogeneous catalytic process; while Fe3S4 crystal with the exposed [1‐21] facet exhibits excellent catalytic stability and durability, thereby boosting the
Jiaqu Tan +6 more
wiley +1 more source