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Desplazamiento de Conidias de Metarhizium anisopliae var. anisopliae en Columnas de Tres Series de Suelo Displacement of Conidia of Metarhizium anisopliae var. anisopliae in Columns of Three Soil Series
Ana María Salazar P,Macarena Gerding G,Andrés France I,Jorge Campos P
Agricultura Técnica , 2007,
Abstract: El hongo entomopatógeno Metarhizium anisopliae, aislamiento Qu-M270, es específico para el control del gusano blanco del trigo (Hylamorpha elegans Burm.), el cual se alimenta de raíces de diversos cultivos y se desplaza en el perfil del suelo hasta los 25 cm de profundidad. En este estudio se evaluó el desplazamiento vertical de conidias de Qu-M270, en suspensión acuosa, a través de columnas de suelo extraídas con tubos de PVC de 30 cm de largo y 20 cm de diámetro, en tres series de suelo de la Región del Bío-Bío (36°32’ lat. Sur; 71°55’ long. Oeste), Chile. La recuperación de conidias se realizó en medio especifico para Metarhizium anisopliae, contabilizando unidades formadoras de colonias por gramo de suelo seco. La serie Quella (Aquic Durixerets) fue más restrictiva al paso de conidias, las que se concentraron en los primeros 10 cm de profundidad, a diferencia de la serie Arenales (Dystric Xeropsamments) en que se observó su presencia bajo los 15 cm y en los líquidos percolados. La serie Mirador (Ultic Palexeralf) presentó una distribución uniforme a lo largo de todo el perfil. The fungus Metarhizium anisopliae isolation Qu-M270 is a promising control agent for the wheat white grub (Hylamorpha elegans Burm.), a Chilean scarabeid species whose larvae feed on roots of diverse crops and move in soil up to a depth of 25 cm . In this study, the vertical movement of Qu- M270 conidias suspended in water was evaluated in three soil series from the Bío-Bío Region (36°32’ S lat; 71°55’ W long), Chile. Soil was obtained using PVC pipes 30 cm long by 20 cm in diameter. Conidia recovery was performed in a specific medium for Metarhizium anisopliae, by counting colony forming units in 1 g of dry soil. The Quella series (Aquic Durixerets) was more restrictive to the percolation of conidia, which were concentrated at the first 10 cm . With the Arenales series (Dystric Xeropsamments), conidia were found below 15 cm and in percolated liquids. On the other hand, the Mirador series (Ultic Palexeralf) had a uniform distribution of conidia at every depth
The Handheld Library: Developments at the Rector Gabriel Ferraté Library, UPC
Beatriz Benítez Juan,Javier Clavero Campos,Miquel Codina Vila,Andrés Pérez Gálvez
Liber Quarterly : The Journal of European Research Libraries , 2011,
Abstract: The purpose of this paper is to highlight the mobile services developed by the Rector Gabriel Ferraté Library (BRGF) of the Universitat Politècnica de Catalunya (UPC-Barcelona Tech) in Barcelona, Spain. We hope this paper will be of use to other libraries exploring new technologies for communicating and delivering their services to users at a time when mobile services are an emerging topic in librarianship and information science literature. By setting out the successive steps involved in the as yet unfinished process of building our mobile services portfolio, we aim to offer a detailed picture of the mobile services and features offered by a university library from a case study perspective. The main topics to be discussed include: The BRGF’s mobile website, including the information available, its interactive capabilities and the services it provides to its users. The mobile-friendly version of UP Commons(the UPC Library Service’s institutional repositories). The UPC Library Service’s mobile OPAC. The mobile version of u-win(BRGF’s videogame service). The use of QR codes to deliver information to mobile devices. Text message notifications. Additional topics for discussion include: The library’s organisation and the organisational concepts that underpin and make possible its technological developments (including mobile). BRGF’s concern regarding the reduction of investment in the development of mobile services. The criteria and tools used to guide the library’s decisions regarding the design and orientation of current and future mobile services. How mobile services can help to improve the image of the library as a leading technology site. Selected mobile features that BRGF plans to offer in the near future. Ultimately, this paper aims to delineate the effectiveness and potential of delivering library services by the preferred means of communication of a new generation of students and teachers.
DISPLASIA MESENQUIMáTICA PLACENTARIA
Campos V.,Cristián; Caballero E.,Andrés; Mucientes H.,Francisco; Heredia M.,Fernando; Klaassen P.,Rodrigo;
Revista chilena de obstetricia y ginecología , 2005, DOI: 10.4067/S0717-75262005000400009
Abstract: the first case in chile of placental mesenchymal dysplasia is reported. the abnormal placenta coexisted with a normal fetus and the clinical course demostrated a successful perinatal outcome. the literature is reviewed and the keys of differential diagnoses are defined
Desplazamiento de Conidias de Metarhizium anisopliae var. anisopliae en Columnas de Tres Series de Suelo
Salazar P,Ana María; Gerding G,Macarena; France I,Andrés; Campos P,Jorge; Gerding P,Marcos; Sandoval E,Marco;
Agricultura Técnica , 2007, DOI: 10.4067/S0365-28072007000300002
Abstract: the fungus metarhizium anisopliae isolation qu-m270 is a promising control agent for the wheat white grub (hylamorpha elegans burm.), a chilean scarabeid species whose larvae feed on roots of diverse crops and move in soil up to a depth of 25 cm . in this study, the vertical movement of qu- m270 conidias suspended in water was evaluated in three soil series from the bío-bío region (36°32? s lat; 71°55? w long), chile. soil was obtained using pvc pipes 30 cm long by 20 cm in diameter. conidia recovery was performed in a specific medium for metarhizium anisopliae, by counting colony forming units in 1 g of dry soil. the quella series (aquic durixerets) was more restrictive to the percolation of conidia, which were concentrated at the first 10 cm . with the arenales series (dystric xeropsamments), conidia were found below 15 cm and in percolated liquids. on the other hand, the mirador series (ultic palexeralf) had a uniform distribution of conidia at every depth
Isolation and Characterization of Mercury Resistant Trichoderma Strains from Soil with High Levels of Mercury and Its Effects on Arabidopsis thaliana Mercury Uptake  [PDF]
José Luis Hernández-Flores, José Gerardo Bernal Melo, Andrés Cruz Hernández, Miguel A. Ramos López, Carlos Salda?a Gutiérrez, Sergio Romero Gomez, Victor Pérez Moreno, Rosa P. Calvillo Medina, José Humberto Valenzuela Soto, Sergio Pacheco Hernández, George H. Jones, Sergio Casas Flores, Juan Campos-Guillen
Advances in Microbiology (AiM) , 2018, DOI: 10.4236/aim.2018.87040
Abstract: Traditional mining activities are usually correlated with high levels of soil pollution, which is a major environmental concern. Extensive mining activities have taken place in the San Joaquin region in the State of Querétaro, México resulting in high levels of mercury soil pollution (up to 1532 ± 300 mg/kg). We isolated mercury-resistant fungal strains from the San Joaquin region soils and identified them through morphologic characteristics and ITS rDNA region sequence analysis. We determined that fungi isolated belong to the genus Trichoderma. All the isolates selected showed the ability to catalyze the volatilization of Hg. For air sampling, an active sampling device was constructed and using acid KMnO4 as an absorbent, the concentration of mercury in solution was determined through the cold vapor atomic absorption method. The results show mercury volatilization from the fungal species assay, with a maximum of 213.04 ± 32.6 μg/m3 while mycelium accumulation ranged from less than 17.5 ± 2.9 to 20.0 ± 3.4 μg/g. The fungal isolates were also evaluated for their ability to reduce mercury uptake in Arabidopsis thaliana. These observations suggest the utility of Trichoderma for the mobilization of mercury in those contaminated soils.
Hiponatremia e hipokalemia graves, recientes, asociadas a hidroclorotiazida, enalaprila y citalopram.: Caso clínico
Riquelme P,Arnoldo; Méndez R,Felipe; Ortiz M,Ana Mireya; Müller O,Hans; Campos O,Carolina; Rocha R,Víctor; Valdivieso D,Andrés;
Revista médica de Chile , 1999, DOI: 10.4067/S0034-98871999001000010
Abstract: we report a 72 years old hypertensive female, treated with enalapril 10 mg/day and hydrochlorothiazide 25 mg/day during three years. she presented a depressive disorder and cytalopram was prescribed in a dose of 10 mg/day. two weeks before admission, a serum electrolyte analysis disclosed normal results and the cytalopram dose was increased to 20 mg/day. the patient was admitted with a hyponatremic encephalopathy with a plasma sodium of 100 meq/l and a plasma potassium of 2.0 meq/l. cytalopram, enalapril and hydrochlorothiazide were discontinued, hypertonic nacl and kcl were administered. the patient had a favorable evolution with a remarkable improvement of her symptoms.
Perfil nutricional e cardiovascular de ratos normotensos e hipertensos sob dieta hiperlipídica
Oliveira Júnior, Silvio A.;Okoshi, Katashi;Lima-Leopoldo, Ana Paula;Leopoldo, André S.;Campos, Dijon H.S.;Martinez, Paula F.;Okoshi, Marina P.;Padovani, Carlos R.;Pai-Silva, Maeli Dal;Cicogna, Antonio C.;
Arquivos Brasileiros de Cardiologia , 2009, DOI: 10.1590/S0066-782X2009001100014
Abstract: background: although a high fat diet (hfd) promotes nutritional and heart disorders, few studies have assessed its influence in normotensive wistar-kyoto rats (wky) and spontaneously hypertensive rats (shr). objective: to evaluate and compare the nutritional and cardiovascular profiles of wky and shr on a high fat diet. methods: 20 wky and 20 shr were divided into four groups: control-wky (c-wky), hfd-wky, control-shr (c-shr) and hfd-shr. the c and hfd groups received, respectively, a normocaloric diet and a hfd for 20 weeks. the following features were evaluated: body weight (bw), adiposity, blood glucose, serum lipids, with measurements of total cholesterol and triacylglycerol levels, insulin and leptin. the cardiovascular study included the systolic blood pressure (sbp), a cardiopulmonary anatomical evaluation, an echocardiography and heart histology. results: the shr had bw, adiposity, glucose, cholesterol, triacylglycerol, leptin and insulin levels lower than the wky. in shr, the caloric intake increased with hfd. in wky, the hfd increased energy efficiency, adiposity and blood leptin, and reduced glucose. in the cardiovascular assessment, the shr had sbp, pulmonary moisture, myocardial hypertrophy and interstitial fibrosis higher than the wky (p <0.01); the cardiac function was similar in both strains. the hfd reduced the ventricular systolic diameter in the wky and increased the mitral e/a ratio, the diastolic thickness of the interventricular septum and the posterior wall, as well as the interstitial fibrosis of the left ventricle. (arq bras cardiol 2009; 93(5) : 487-494) conclusion: although it had not significantly affected the nutritional profile of the shr, the treatment increased cardiac remodeling and precipitated the emergence of ventricular diastolic dysfunction. in wky, the diet increased adiposity and leptinemia, and promoted non-significant cardiovascular changes.
Bounded symplectic diffeomorphisms and split flux groups
Carlos Campos-Apanco,Andrés Pedroza
Mathematics , 2010,
Abstract: We prove the bounded isometry conjecture of F. Lalonde and L. Polterovich for a special class of closed symplectic manifolds. As a byproduct, it is shown that the flux group of a product of these special symplectic manifold is isomorphic to the direct sum of the flux group of each symplectic manifold.
Quine y el pragmatismo clásico
Páez,Andrés;
Discusiones Filosóficas , 2010,
Abstract: quine has often been associated with the pragmatists or at the very least his work has been found to be consonant with pragmatism. in this essay i examine the relation between quine's work and that of the classical pragmatists: peirce, james, and dewey. my study of quine's writings will reveal several similarities with james' doctrine of the limits of experience, and at the same time it will bring to light significant differences with dewey's naturalism and peirce's pragmatism. on balance, although there are some elements in common between the classical pragmatists and quine, it is not possible to assert that there ever was any interest on quine's part to adopt the theses of the pragmatists in order to develop them in novel directions.
El problema de la demarcación en estética: una crítica del criterio de Danto
Páez,Andrés;
Revista de Estudios Sociales , 2008,
Abstract: the development of the visual arts during the twentieth century blurred the boundaries between what is, and what is not, considered art. arthur danto proposed an aesthetic theory that would allow us to redefine the boundaries of art. in this article, i examine two of the most problematic aspects of danto's theory: the excessive weight he gives to the concept of mimesis, and his teleological conception of the history of art. if these two elements are attenuated, the theory loses most of its explanatory power. in the last two sections of the article, i argue that the artworld to which danto gives a central role in the demarcation problem is only a byproduct of the conditions that determine the nature of art in general.
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