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Search Results: 1 - 10 of 427042 matches for " Guillermo González M. "
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INTERACCIONES SUTILES: UN HORIZONTE DE LA QUIMICA CADA VEZ MAS CERCANO
Guillermo González M.
Boletín de la Sociedad Chilena de Química , 2002,
Abstract:
CLEVER INTERACTIONS: A VERY NEAR HORIZON OF CHEMISTRY
Guillermo González M.
Boletín de la Sociedad Chilena de Química , 2002,
Abstract:
Nuevos registros de insectos (Diptera y Siphonaptera), ectoparásitos de murciélagos (Vespertilionidae) del norte de Uruguay
Guillermo L. Claps,Enrique M. González
Mastozoolog?-a neotropical , 2004,
Abstract: Se dan nuevos registros de insectos ectoparásitos (Diptera: Nycteribiidae: Basiliaandersoni Peterson & Maa y B. plaumanni Scott y Siphonaptera: Ischnopsyllidae: Myodopsyllaisidori (Wyenbergh), para cuatro especies de murciélagos Vespertilionidae: Eptesicus furinalis(d Orbigny), Myotis albescens (Geoffroy), M. levis (Geoffroy) y M. riparius (Handley). Seamplía la distribución conocida de B. plaumanni y se da a conocer su asociación con E.furinalis en Uruguay. Se incrementa la nómina de hospedadores citados para B. andersoni.
Repair after acute lung injury: molecular mechanisms and therapeutic opportunities
Adrián González-López, Guillermo M Albaiceta
Critical Care , 2012, DOI: 10.1186/cc11224
Abstract: There have been large amounts of research on the pathogenetic mechanisms of lung injury, which include changes in alveolocapillary permeability, the inflammatory response, extracellular matrix remodeling and abnormal alveolar micromechanics. In spite of this knowledge, no effective therapy, other than treating the initial cause of injury and providing supportive treatment, has been shown to have a significant clinical benefit. Fortunately, the cause of ALI is known in most cases, so specific therapy can be initiated (e.g., antibiotics in sepsis, surgery when appropriate). In other cases, the cause is time-limited, such as in aspiration pneumonitis or polytrauma. However, even in these cases, ALI may persist beyond the initial insult. In this setting, restoration of normal lung structure and function is of paramount importance for survival.There is increasing evidence of the lung's capacity to repair itself. This process involves an interplay between various cellular and molecular mechanisms, including resolution of edema and inflammation, cell proliferation and tissue remodeling. Moreover, it is possible that some of these mechanisms, activated early in the response to injury, are essential for normal repair later on. With this in mind, timing of a therapeutic intervention becomes a critical issue, as blockade of one mediator may prevent injury when administered early, but also impair the repair phase. Moreover, strategies aimed at promoting repair could represent a new alternative for patients with ALI.Knowledge of the repair mechanisms could, therefore, be the next step to understanding the lung response to injury. In this review, we will summarize some of these mechanisms and discuss their relevance as potential therapeutic targets in ALI.The lung response to an injurious stimulus involves transduction of the danger signal into a biochemical response. Depending on the cause, there are many pathways that can be activated. For instance, bacterial antigens may trigg
Probiotic bacteriotherapy in chronic infantilediarrhea
Locascio,Mónica; González,Silvia; Apella,María C; Bru de Labanda,Elena; Oliver,Guillermo;
Interciencia , 2002,
Abstract: a probiotic therapy based on the administration of a dairy product containing lactobacillus casei and lactobacillus acidophilus was used against chronic diarrhea of 170 infants aging from 4 months - 4 years. the mean period during which the children suffered from diarrhea before the start of the probiotic treatment was of about 50 days. after 4 days of therapy the clinical symptoms had been eliminated. until the end of the study none of the patients suffered a relapse. bacterial counts in the feces suggested that the probiotic lactobacilli had restored the normal intestinal lactobacillus flora. the fermented product tested in this work can be considered a beneficial food.
Nuevos registros de insectos (Diptera y Siphonaptera) ectoparásitos de murciélagos (Vespertilionidae) del norte de Uruguay
Autino,Analía G.; Claps,Guillermo L.; González,Enrique M.;
Mastozoolog?-a neotropical , 2004,
Abstract: new data on ectoparasitic insects (diptera: nycteribiidae: basilia andersoni peterson & maa and b. plaumanni scottand siphonaptera: ischnopsyllidae: myodopsylla isidori (weyenbergh) of four species of vespertilionid bats: eptesicus furinalis (d′orbigny), myotis albescens (geoffroy), m. levis (geoffroy) and m. riparius (handley) are given. the known distribution of b. plaumanni is extended, and for the first time is cited associated with e. furinalis in uruguay. the host species list for b. andersoni is increased as well.
Corrección de la distribución de intensidades de la imagen del patrón de difracción de un láser obtenida con una cámara digital
Cleva Mario S,Sampallo Guillermo M,González Thomas Arturo O,Acosta Christian A.
Latin-American Journal of Physics Education , 2011,
Abstract: This paper presents a calibration method to correct the intensity profiles of projected images of diffraction patterns of different slits obtained with a conventional digital camera to respond to theoretical models. The observed deviations can be explained by the nonlinearity in the response of the camera sensor to changes in intensity. The proposed method successfully corrects the intensity profiles for different widths of slits, is simple to implement and requires no special tools.
Phytotoponymy and Synphytotoponymy in Western Granada Province (Andalusia, Spain)
Benítez Cruz, Guillermo,González-Tejero, M. Reyes,Molero Mesa, Joaquín
Revista de Dialectología y Tradiciones Populares , 2009,
Abstract: Within the framework of a research project on the ethnobotany of the western section of the province of Granada, in southern Spain, a detailed study was made of place names derived from names related to plants (phytotoponyms and synphytotoponyms). The information —gathered from the Territorial Land Registry of Granada, the Regional Government of Andalusia and field work— has been included in a database written with the Microsoft Excel program. References to a total of 98 plant species were found in as many as 593 place names of the area. The authors comment on the environmental, paleophytogeographic and ethnobotanical significance of the species represented in the place names. En el marco de la investigación etnobotánica desarrollada en el poniente granadino, se ha realizado un estudio sobre la toponimia de la comarca con atención a los apelativos de origen vegetal (fitotopónimos y sinfitotopónimos). La información —obtenida de la Gerencia Territorial del Catastro de Granada, de la Junta de Andalucía y de nuestro trabajo de campo— se ha incluido en una base de datos con el programa Microsoft Excell . Un total de 98 especies vegetales se encuentran representadas en la toponimia local, dando nombre a 593 lugares del territorio. Se aportan comentarios sobre el significado ecológico, paleofitogeográfico y etnobotánico de las especies reflejadas en la toponimia.
PENTALOGíA DE FALLOT. PRESENTACIóN DE UN PACIENTE / Fallot’s Pentalogy. Presentation of a patient
Ana Miriam Clemades Méndez,Tania Quesada Quesada,Guillermo González Ojeda
CorSalud , 2009,
Abstract: In 1888, Etienne Fallot described the last two components of Fallot’s tetralogy: right ventricular hypertrophy and dextroposition of the aorta over septal defect. Since 1671 the obstruction to the right ventricle outlet tract and the ventricular septal defect had been described. The presence of these four elements, together with another structural alteration such as the atrial septal defect, turns the tetralogy into Fallot’s Pentalogy. A case of a patient suffering from this condition is presented in this article, as well as echocardiography images of it.
Finite thin disc models of four galaxies in the Ursa Major cluster: NGC3877, NGC3917, NGC3949 and NGC4010
Guillermo A. González,Sandra M. Plata-Plata,Javier Ramos-Caro
Physics , 2009, DOI: 10.1111/j.1365-2966.2010.16303.x
Abstract: Finite thin disc models of four galaxies in the Ursa Major cluster are presented. The models are obtained by means of the Hunter method and the particular solutions are choosen in such a way that the circular velocities are adjusted very accurately to the observed rotation curves of some specific spiral galaxies. We present particular models for the four galaxies NGC3877, NGC3917, NGC3949 and NGC4010 with data taken from the recent paper by Verheijen & Sancici (2001). By integrating the corresponding surface mass densities, we obtain the total mass M of these four galaxies, all of them being of the order of 10^10 solar masses. These obtained values for M may be taken as a quite accurately estimative of the mass upper bound of these galaxies, since in the model was considered that all their mass was concentrated at the galactic disc. The models can be consider as a first approximation to the obtaining of quite realistic models of spiral galaxies
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