Kokemuksia kirjastopalveluiden vaikuttavuuden arvioinnista Tietoyhteiskunnan tilat ja sisällöt -hankkeessa

Marja Haapaniemen ja Samppa Rohkimaisen esitys Kirjastoverkkopäivillä 26.10.2011 Helsingissä.

La fibra en la alimentación.

Programa emitido el 14 de noviembre de 1994

Valor preditivo do potencial de implantação embrionário pela análise do perfil químico de meios de cultivo por espectrometria de massas (ESI-Q-ToF)

Objective: This case-control study analyzed mass spectrometry fingerprinting patterns of culture media samples used for embryo culture to predict embryo implantation. Methods: The culture medium harvested after embryo transfer of 22 embryos from 13 patients was used for the experiments. After embryo transfer, the remaining culture media were collected and samples were split in positive (n=8) and negative (n=14) implantation groups according to implantation outcomes (100% or 0% of implantation). Samples were individually diluted and injected directly to the Electrospray ionization (ESI) MS coupled to a Quadrupole Time-of-flight MS (Q-ToF-MS).Ions relative intensities of each spectrum were considered. Data analysis was conducted in MatLab 7.0 version using Partial Least Squares - Discriminant Analysis toolbox. Results: There were 3027 observed ions at 100% and 0% implantation groups by ESI-Q-ToF-MS. The statistical model could categorize the samples in two clusters, based on their positive and negative implantation outcomes. Less intense ions present in the mass spectra with statistical significance have contributed to the major differences to group distinction. Conclusions: Positive and negative implantation embryos showed a specific biochemical pattern present in culture media, which could be detected as a fast, simple and non-invasive way. This biochemical profile could help the selection of the most viable embryo, improving single embryo transfer and thus eliminating the risk and undesirable outcomes of multiple pregnancies. © Todos os direitos reservados a SBRA - Sociedade Brasileira de Reprodução Assistida.

Richard Wagner, Brustbild

Signatur des Originals: S 36/F02103

Asymmetric Bragg mirrors for the reduction of emission wavelength dependence on the viewing angle in organic microcavity light emitting diodes

Organic microcavity light emitting diodes typically exhibit a blue shift of the emitting wavelength with increasing viewing angle. While the wavelength shift can be reduced with the appropriate choice of organic materials and metal mirrors, for further reduction of the emission wavelength shift it is necessary to consider a mirror whose phase shift can partly compensate the effect of the change of optical path within the cavity. In this work, we used a genetic algorithm (GA) to design an asymmetric Bragg mirror in order to minimize the emission wavelength shift with viewing angle. Based on simulation results, the use of asymmetric Bragg mirrors represents a promising way to reduce the emission wavelength shift. Detailed comparison between GA optimized and conventional Bragg mirrors in terms of resonant wavelength dependence on the viewing angle, spectral narrowing, and brightness enhancement is given. (C) 2004 Elsevier B.V. All rights reserved.

Serie de documentos Facultad de Jurisprudencia N° 75. Estado del arte del proyecto de invstigación. "Los daños antijurídicos producidos por los agentes de las Fuerzas Militares: límites al ejercicio de la fuerza del Estado como función pública"

La concepción de Estado moderno está íntimamente vinculada al ejercicio del monopolio legítimo de la fuerza, en tanto supone que la violencia es una de las principales prerrogativas que el Estado pretende detentar, para constituirse en una organización política de poder que perdure en la sociedad en la que se instaura. En este sentido, el proyecto de investigación tiene como uno de sus objetivos específicos, identificar, caracterizar y analizar los daños antijurídicos por los cuales el Comité de Conciliación del Ministerio de Defensa Nacional autoriza el ejercicio de la acción de repetición contra los funcionarios o ex-funcionarios de las Fuerzas Militares, limitando el análisis al periodo transcurrido durante los años 2010 a 2016. Lo anterior, con el fin de establecer cuáles son las causas generadoras de responsabilidad más frecuentes en las que han incurrido los agentes de la entidad, para luego observar su impacto en el erario de la nación y verificar cómo se constituyen en una necesidad de imposición de límites al ejercicio de la fuerza del Estado.