Results 31 to 40 of about 3,812,934 (235)
Enseñanza de las Ciencias, 2014 En aquest treball presentem una anàlisi dels continguts de física atòmica i química quàntica en llibres de text de química de nivell introductori publicats en castellà, a Espanya, entre 1928 i 1978.
Pedro Juan Sánchez Gómez +1 more
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Estructura y geometría molecular [PDF]
, 2023 En este capítulo estudiaremos cómo se relaciona la estructura electrónica de los átomos con las fuerzas que los mantienen unidos cuando forman una especie química. Analizaremos cómo los electrones de valencia, descriptos en el capítulo 3, participarán de
Vetere, Virginia +1 more
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Experimental Polarizability Transition Moments of CO2 for Excited Vibrational States
MoleculesThe Raman spectrum of CO2 from room temperature to 1800 K has been measured in a series of experiments. The differential Raman scattering cross-sections for the fundamental bands at 1285.41 cm−1 and 1388.18 cm−1 have been obtained from reference bands of
Carlos Álvarez +2 more
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Polímeros, 2005 Se presenta la capacidad de las técnicas de modelización molecular basadas en métodos de la química cuántica para predecir la estructura molecular y electrónica de polímeros conductores.
Jordi Casanovas +4 more
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Controlling Antimicrobial Activity of Quinolones Using Visible/NIR Light-Activated BODIPY Photocages
Pharmaceutics, 2022 Controlling the activity of a pharmaceutical agent using light offers improved selectivity, reduction of adverse effects, and decreased environmental build-up. These benefits are especially attractive for antibiotics.
Elena Contreras-García +6 more
doaj +1 more source
Developments in Molecular Recognition and Sensing at Interfaces
, 2007 In biological systems, molecular recognition events occur mostly withininterfacial environments such as at membrane surfaces, enzyme reaction sites, or at theinterior of the DNA double helix.
Jonathan P. Hill +2 more
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Inflammatory pathway network-based drug repositioning and molecular phenomics
, 2016 Inflammation is a protective biological response to body/tissue damage that involves immune cells, blood vessels and molecular mediators. In this work, we constructed the pathway network of inflammation, including 11 sub-pathways of inflammatory factors.
Jiangyong Gu +11 more
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El tratamiento de Hückel y la topología molecular: el método topológico en química
Educación Química, 2023 La topología es un área de las matemáticas que, en definitiva, no se encuentra explícita en el mapa curricular del químico; no obstante, está implícita en una infinidad de fenómenos de relevancia para las ciencias químicas, desde la estructura de ...
Tomás Guerrero +3 more
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Medisur, 2009 Background:Penicillins differ structurally among themselves by the lateral chains. At the same time, they have differences in their pharmacological action that can be associated to modifications included in the betalactamic ring and/or effects localized ...
Elso Manuel Cruz Cruz +1 more
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Characterization of the inner membrane protein BB0173 from Borrelia burgdorferi
BMC Microbiology, 2017 Background The bacterial spirochete Borrelia burgdorferi is the causative agent of the most commonly reported arthropod-borne illness in the United States, Lyme disease. A family of proteins containing von Willebrand Factor A (VWFA) domains adjacent to a
Christina M. Brock +4 more
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