Gabriela Islas, Israel S. Ibarra, Prisciliano Hernández, José Manuel Miranda, Alberto Cepeda,
To achieve analytical success, it is necessary to develop thorough clean-up procedures to extract analytes from the matrix. Dispersive solid phase extraction (DSPE) has been used as a pretreatment technique for the analysis of several compounds. This technique is based on the dispersion of a solid sorbent in liquid samples in the extraction isolation and clean-up of different analytes from complex matrices. DSPE has found a wide range of applications in several fields, and it is considered to be ...
Tópico(s): Analytical Chemistry and Chromatography
2017 - Hindawi Publishing Corporation | International Journal of Analytical Chemistry
Y. Castrillejo, Prisciliano Hernández, Ariel Fernández, E. Barrado,
The electrode reaction of Tb(III)/Tb couple in the eutectic LiCl-KCl, at Cd liquid electrodes (i.e a Cd pool and a Cd coated W electrodes) was investigated in the temperature range of 673–823 K. In both electrodes, the electrochemical reduction of Tb(III) was observed at less cathodic potential values than at the surface of an inert W electrode, due to the decrease of Tb activity in the metal phase. Cyclic voltammetry, using a Cd bulk electrode, suggest a quasi-reversible behaviour of the system ...
Tópico(s): Thermal Expansion and Ionic Conductivity
2014 - Elsevier BV | Electrochimica Acta
Y. Castrillejo, A. Vega, Marisol Vega, Prisciliano Hernández, José A. Rodrı́guez, E. Barrado,
The electrochemical formation of Sc-Al alloys was investigated in the eutectic LiCl-KCl by cyclic voltammetry and open circuit chronopotentiometry. On reactive Al electrode the electrochemical reduction of Sc(III) was observed at less cathodic potential values than at the surface of an inert W electrode, the potential shift is caused by the decrease of Sc activity in the metal phase due to the formation of Sc-Al intermetallic compounds at the interface. The formation mechanism of the intermetallic ...
Tópico(s): Advancements in Battery Materials
2013 - Elsevier BV | Electrochimica Acta
Y. Castrillejo, Prisciliano Hernández, José A. Rodrı́guez, Marisol Vega, E. Barrado,
This work concerns the electrochemical extraction of scandium from molten chlorides. In this way, the electrodeposition of scandium has been investigated in the molten LiCl–KCl with the eutectic composition on a tungsten electrode in the 673–823 K temperature range by several electrochemical techniques (i.e. cyclic voltammetry, chronopotentiometry and chronoamperometry). It has been found that during cathodic polarization, deposition of metallic Sc from the chloride mixture onto the tungsten surface ...
Tópico(s): Extraction and Separation Processes
2012 - Elsevier BV | Electrochimica Acta
José A. Rodrı́guez, Prisciliano Hernández, Verónica Salazar, Y. Castrillejo, E. Barrado,
An amperometric flow biosensor for oxalate determination in urine samples after enzymatic reaction with oxalate oxidase immobilized on a modified magnetic solid is described. The solid was magnetically retained on the electrode surface of an electrode modified with Fe (III)-tris-(2-thiopyridone) borate placed into a sequential injection system preceding the amperometric detector. The variables involved in the system such as flow rate, aspired volumes (modified magnetic suspension and sample) and reaction ...
Tópico(s): Biosensors and Analytical Detection
2012 - Multidisciplinary Digital Publishing Institute | Molecules
Y. Castrillejo, P. Fernández, J. Medina, Prisciliano Hernández, E. Barrado,
This work concerns the electrochemical extraction of samarium from molten chlorides. In this way, the electrochemical behaviour of samarium ions has been investigated in the eutectic LiCl–KCl at the surface of tungsten, aluminium and aluminium coated tungsten electrodes. On a W inert electrode the electro-reduction of Sm(III) takes place in only one soluble–soluble electrochemical step Sm(III)/Sm(II). The electrochemical system Sm(II)/Sm(0) has not been observed within the electrochemical window, ...
Tópico(s): Nuclear materials and radiation effects
2011 - Elsevier BV | Electrochimica Acta
Tópico(s): Classical Studies and Legal History
1953 - Bordeaux Montaigne University | Bulletin Hispanique
Ángel Ríos-Utrera, Eugenio Villagómez Amézcua Manjarrez, Juan Prisciliano Zárate-Martínez, René Carlos Calderón Robles, Vicente Eliezer Vega Murillo,
Objetivo. Comparar la fertilidad de vacas cruzadas Suizo Pardo x Cebú y Simmental x Cebú criadas en un ambiente tropical. Materiales y métodos. Se evaluaron características reproductivas de 185 vacas cruzadas Suizo Pardo x Cebú y Simmental x Cebú con diversos porcentajes de raza europea. El pastoreo de las vacas fue rotacional. El ordeño fue dos veces al día con la ayuda (amamantamiento) del becerro, el cual se mantuvo atado cerca de la vaca mientras ella se ordeñaba. Las características se evaluaron ...
Tópico(s): Genetic and phenotypic traits in livestock
2019 - University of Cordoba | Revista Mvz Córdoba
T. Alexandra Ferreira, José A. Rodrı́guez, María Elena Páez-Hernández, Alfredo Guevara, E. Barrado, Prisciliano Hernández,
An evaluation of the chromium(VI) adsorption capacity of four magnetite sorbents coated with a polymer phase containing polymethacrylic acid or polyallyl-3-methylimidazolium is presented. Factors that influence the chromium(VI) removal such as solution pH and contact time were investigated in batch experiments and in stirred tank reactor mode. Affinity and rate constants increased with the molar ratio of the imidazolium. The highest adsorption was obtained at pH 2.0 due to the contribution of electrostatic ...
Tópico(s): Analytical chemistry methods development
2017 - Multidisciplinary Digital Publishing Institute | Materials
E. Barrado, José A. Rodrı́guez, Prisciliano Hernández, Y. Castrillejo,
The electrochemical behavior of Cu(I) and Cu(II) species in the ionic liquid 1-buthyl-3-methylimidazolium chloride, BMIMCl, on a platinum electrode in the interval of 333–363 K, has been investigated. Experiments performed in a controlled N2 atmosphere cell show that: (i) Cu(I) can be oxidized to Cu(II) and reduced to Cu(0), and (ii) Cu(II) can be reduced to Cu(I) by copper metal according to a comproportionation reaction whose constant has been calculated. The diffusion coefficients of Cu(I) and ...
Tópico(s): Electrodeposition and Electroless Coatings
2016 - Elsevier BV | Journal of Electroanalytical Chemistry
Prisciliano Hernández, José A. Rodrı́guez, Carlos A. Galán, Y. Castrillejo, E. Barrado,
Tópico(s): Biosensors and Analytical Detection
2012 - Elsevier BV | Biosensors and Bioelectronics
José Luís Chávez-Servia, Prisciliano Diego-Flores, José Cruz Carrillo-Rodríguez,
El sistema milpa genera y mantiene la mayor proporción de la diversidad de maíz en México, y particularmente en la región Mixteca oaxaqueña este proceso ocurre desde la época precolombina. Con el objetivo de evaluar la variación fenotípica del maíz mixteco, se hizo una colecta y caracterización de 100 muestras poblacionales de maíz de 14 municipios del distrito de Tlaxiaco, Oaxaca. Las muestras se sembraron bajo un diseño de látice simple con dos repeticiones en el ciclo verano-otoño 2008. La descripción ...
Tópico(s): Plant and soil sciences
2011 - Universidad Autónoma Intercultural de Sinaloa | Ra Ximhai
Tópico(s): Medieval and Classical Philosophy
2002 - | Anales de Teología
Produção Nacional
... opostas acerca da posição social dos seguidores de Prisciliano de Ávila (†386): uma, certamente a mais aceita, ... detalhado estudo prosopográfico de todos os seguidores de Prisciliano conhecidos. Argumenta-se que ele atraiu pessoas dos ... entendermos melhor as causas do acirrado antagonismo que Prisciliano sofreu e a difusão do monasticismo entre as ...
Tópico(s): Classical Studies and Legal History
2018 - UNIVERSIDADE DE SÃO PAULO | Revista de História
... a la circulacion de apocrifos, la invocacion de Prisciliano como martir, y la difusion esporadica de algunas ...
Tópico(s): Augustinian Studies and Theology
1998 - University of Seville | HABIS
Guadalupe Yoselín Aguilar-Lira, Jesús Eduardo López‐Barriguete, Prisciliano Hernández, Giaan Arturo Álvarez‐Romero, Juan Manuel Gutiérrez,
This work presents the simultaneous quantification of four non-steroidal anti-inflammatory drugs (NSAIDs), paracetamol, diclofenac, naproxen, and aspirin, in mixture solutions, by a laboratory-made working electrode based on carbon paste modified with multi-wall carbon nanotubes (MWCNT-CPE) and Differential Pulse Voltammetry (DPV). Preliminary electrochemical analysis was performed using cyclic voltammetry, and the sensor morphology was studied by scanning electronic microscopy and electrochemical ...
Tópico(s): Advanced Chemical Sensor Technologies
2022 - Multidisciplinary Digital Publishing Institute | Sensors
The influence that Cypriani De habitu virginum presents as a literary model of later writers, and specialy in Hispaniar writers, is unquestionable.However the principal scholars that have dedicated their work to show the significate of Priscillianean's Tractates have hardly been dedicated to the literary survival of Cyprian in these texts.The present study shows that De habitu virginum was part of the Priscillian's library.Particularly in the Seventh Tractate, dedicated to the First Salm, the Hispaniard ...
Tópico(s): Classical Antiquity Studies
2012 - Pontifical University of Salamanca | Salmanticensis
... Measurement in Petroleum-Reservoir Cores With MRI," by Prisciliano F. de J. Cano Barrita, Bruce J. Balcom, ...
Tópico(s): Hydraulic Fracturing and Reservoir Analysis
2008 - Society of Petroleum Engineers | Journal of Petroleum Technology
Cristhian H. Arredondo, Guadalupe Yoselín Aguilar-Lira, Irma Pérez-Silva, José A. Rodrı́guez, Gabriela Islas, Prisciliano Hernández,
This work describes the application of the Agave salmiana cuticle as a new protonic exchange biological membrane (0.080 ± 0.001 mm thickness). Different chemical, electrochemical and mechanical treatments were evaluated to stimulate the ionic exchange properties of the cuticle. Thermal treatment was adequate for its application in a two-chamber electrolyzer. Under optimal conditions an ionic conductivity value of 10 ± 3 mS cm−1 was obtained; this value is similar to the value achieved using a Nafion ...
Tópico(s): Supercapacitor Materials and Fabrication
2019 - Multidisciplinary Digital Publishing Institute | Applied Sciences
Guadalupe Ontiveros, Prisciliano Hernández, Israel S. Ibarra, Julia Maria Dominguez, José A. Rodrı́guez,
A novel and sensitive biosensor electrochemical was designed and developed and applied in the gluten detection bychronoamperometry in food samples. Protease enzyme was electrodeposited on carbon electrode modified with nanoparticles offullerene increasing the selectivity and surfacearea of electrode. Variables involved in the electrochemical system were optimized by a univariate design.Optimal conditions were: pH solution of 7.0, potential -0.7 V,enzyme immobilized (U) of 0.6.Under optimal conditions ...
Tópico(s): Advanced biosensing and bioanalysis techniques
2017 - Institute of Physics | ECS Transactions
José Abad Zavaleta, Ángel Ríos-Utrera, Jorge Víctor Rosete Fernández, Alan García Camacho, Juan Prisciliano Zárate-Martínez,
Con el objetivo de determinar la prevalencia de rinotraqueítis infecciosa bovina (IBR) y diarrea viral bovina (DVB), mediante diagnóstico serológico en diferentes épocas del año y su influencia en el estado reproductivo de hembras bovinas adultas, se realizó un estudio en siete ranchos ubicados en la zona centro de Veracruz, pertenecientes a los municipios de San Rafael, Medellín y Cotaxtla. Se realizó una palpación rectal y se tomaron tres muestras de sangre cada dos meses, al 10% de vacas gestantes ...
Tópico(s): Viral Infections and Vectors
2016 - University of La Salle Bajío | Nova Scientia
Tópico(s): Theology and Canon Law Studies
2010 - | Cuadernos de Teología
Juan Prisciliano Zárate-Martínez, Valentín A. Esqueda‐Esquivel, Julio César Vinay-Vadillo, Sergio Jácome-Maldonado,
El trabajo se realizó en el Campo Experimental La Posta, en Paso del Toro, municipi o de Me dellín de Bravo, Ve racruz, México. El objetivo fue determinar el comportamie nto productivo y económico de un sistema tropical especializado (SLT). Este es un sistema de producción de leche en el trópico con ganado Holstein (Hs), Suizo Pardo (SP) y sus cruzas con cebú (C). El genotip o, sexo, época, peso al nacimie nto (PNAC ), ganancia diaria de peso (GD P) al destete GD P1, GD P2 destete-año, GD P3 año- 18 meses, ...
Tópico(s): Plant and soil sciences
2010 - University of Costa Rica | Agronomía Mesoamericana
María José Bravo Bosch, María José,
... trabajo analizamos los motivos reales para encausar a Prisciliano, y la legalidad del proceso llevado a cabo ... proceso civil, extrano a la condicion eclesiastica de Prisciliano. La conclusion es que el proceso fue legal ... paper we analyze the real reasons to prosecute Prisciliano, and legality of the process undertaken against the ... a civil, foreign to the ecclesiastical conditions of Prisciliano. The conclusion is that the process was legal ...
Tópico(s): Comparative constitutional jurisprudence studies
2009 - University of Valladolid | Hispania Antiqua
Produção Nacional
... opostas acerca da posicao social dos seguidores de Prisciliano de Avila (†386): uma, certamente a mais aceita, ... detalhado estudo prosopografico de todos os seguidores de Prisciliano conhecidos. Argumenta-se que ele atraiu pessoas dos ... entendermos melhor as causas do acirrado antagonismo que Prisciliano sofreu e a difusao do monasticismo entre as ...
Tópico(s): Archaeological and Historical Studies
2018 - UNIVERSIDADE DE SÃO PAULO | Revista de História
Diego Piay Augusto, J. López Martínez,
El relato de Prisciliano conservado en el tratado Liber ad Damasum y las informaciones ofrecidas por Sulpicio Severo en su Chronica, no concuerdan ... la intrincada cuestión de la eventual condena de Prisciliano en el sínodo caesaraugustano, es necesario revisar las ...
Tópico(s): Theology and Canon Law Studies
2024 - Complutense University of Madrid | Gerión Revista de Historia Antigua
Rosa María Sanz Serrano, Marina Díaz Bourgeal,
... en el contexto oriental y del obispo hispano Prisciliano en el occidental, ambos formados dentro de los ...
Tópico(s): Classical Antiquity Studies
2021 - Complutense University of Madrid | Gerión Revista de Historia Antigua
José Ignacio San Vicente González de Aspuru,
PIAY AUGUSTO, DIEGO (2019). Prisciliano. Vida y muerte de un disidente en el amanecer del Imperio cristiano. Colección piedras angulares. Gijón: Ediciones Trea. 152 pp., ...
Tópico(s): Political Theory and Democracy
2020 - | ARYS Antigüedad Religiones y Sociedades
Ángel Ríos-Utrera, Víctor Delio Hernández-Hernández, Eugenio Villagómez Amezcua-Manjarréz, Juan Prisciliano Zárate-Martínez,
The objective of the present study was to determine the milk yield of Simmental-Zebu and Brown Swiss-Zebu cows with different proportions of Bos taurus genes. The study was carried out from 1985 to 2007 at the the Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Playa Vicente research station (Veracruz, Mexico). The site presents a humid tropical climate. Milk yield records of Simmental × Zebu and Brown Swiss × Zebu cows with different proportions of Bos taurus genes (50, 62.5 ...
Tópico(s): Effects of Environmental Stressors on Livestock
2015 - University of Costa Rica | Agronomía Mesoamericana
Juan Prisciliano Zárate-Martínez, Jorge Víctor Rosete Fernández, Ángel Ríos-Utrera, Francisco Tobías Barradas Piña,
Introducción: La reproducción bovina es afectada por varias enfermedades infecciosas, entre las que se encuentran leptospirosis, brucelosis, campilobacteriosis, diarrea viral bovina y rinotraqueitis infecciosas bovina. Estas enfermedades infecciosas causan pérdidas económicas a la industria ganadera. El objetivo fue determinar la seroprevalencia de cinco especies de Leptospira: hardjo, inifap, paloalto, tarassovi y wolffi en siete unidades de producción (UP) del estado de Veracruz, así como las razones ...
Tópico(s): Veterinary medicine and infectious diseases
2015 - University of La Salle Bajío | Nova Scientia