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Elsevier |
Documentos disponibles de esta editorial (2214)
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Given a measurable space (Omega, mu) and a sequence of disjoint measurable subsets A = (A(n))(n), the associated averaging projection P-A and the orthogonal projection T-A are considered. We study the boundedness of these operators on variable e[...]![]()
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The new upper Barremian microfossil site of Vadillos-1 (Lower Cretaceous, Beteta Gorges, Cuenca province, Spain) has yielded a rich fossil assemblage consisting of numerous eggshell fragments along with diverse skeletal remains of fishes, amphib[...]![]()
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Ancochea Bermúdez, José María ; Campoamor Stursberg, Otto Ruttwig ; Gonzalez-Gascon, F. | Elsevier | 2003We show that analytic R-3 vector fields having the property of being transversal to either analytic functions or foliations F-2, or parallel. to a foliation, are free from ergodicity and turbulence. The absence of turbulence and ergodicity via i[...]![]()
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We study some of the main features of Fractional Step Runge-Kutta-Nystr¨om methods when they are used to integrate Initial-Boundary Value Problems of second order in time, in combination with a suitable spatial discretization. We focus our atten[...]![]()
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In this paper we deal with the problem of axiomatizing the preference relations modeled through Choquet integral with respect to a k-additive capacity, i.e. whose Mobius transform vanishes for subsets of more than k elements. Thus, k-additive ca[...]![]()
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This paper is devoted to the study of the (in)equational theory of the largest (pre)congruences over the language BCCSP induced by variations on the classic simulation preorder and equivalence that abstract from internal steps in process behavio[...]![]()
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Yin, Xiaofei ; Weitzel, Florian ; Griesshaber, Erika ; Fernández-Díaz, Lourdes ; Jiménez López, Concepción ; Ziegler, Andreas ; Rodríguez Navarro, Alejandro ; Schmahl, Wolfgang W. | Elsevier | 2020Hydrogels present model systems for biopolymer matrices in biological structural materials, as their fabric and physicochemical properties can be tailored to mimic characteristics of polymer matrices in biological hard tissues. However, hydrogel[...]![]()
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Introducción: Se desconoce si los doctores y magísteres peruanos aplican los conocimientos para la generación de evidencia científica. El objetivo fue determinar la frecuencia de publicación científica en doctores y magísteres peruanos, así como[...]![]()
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Cabello-Vilchez, Alfonso M. ; Rodriguez-Zaragoza, Salvador ; Pinero, Jose ; Valladares, Basilio ; Lorenzo-Morales, Jacob | Elsevier | 2020-06-10T18:11:33ZBalamuthia mandrillaris is a free living amoeba that can be isolated from soil. It is an emerging pathogen causing skin lesions as well as CNS involvement with a fatal outcome if untreated. Further, infections can sometimes can also appear in p[...]![]()
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Given the structural differences in banking sector and financial regulation at national level in EMU, this paper tries to estimate the banking sector risk behavior at country level. Based on contingent claim literature, it computes “Distance-to-[...]![]()
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To consider the lung as a target for drug delivery and to optimise strategies directed at the pulmonary route, it is essential to consider the role of pulmonary surfactant, a thin lipid–protein film lining the respiratory surface of mammalian lu[...]![]()
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Minuesa Asensio, Álvaro José ; García Esteo, Francisco ; Mérida Velasco, José Ramón ; Barrio Asensio, María del Carmen ; Cuadra Blanco, Crótida de la ; Murillo González, Jorge Alfonso | Elsevier | 2020-08Background: A knowledge of the anthropometric characteristics of the coracoid graft (CG) that can be obtained by the open and arthroscopic Latarjet techniques may be beneficial in the preoperative planning and intraoperative decision making for [...]![]()
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Let X be a sequence space and denote by Z(X) the subset of X formed by sequences having only a finite number of zero coordinates. We study algebraic properties of Z(X) and show (among other results) that (for p is an element of [1, infinity]) Z([...]![]()
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Wanat, Karolyn A. ; Dominguez, Arturo R. ; Carter, Zachary ; Legua, Pedro ; Bustamante, Beatriz ; Micheletti, Robert G. | Elsevier | 2019-01-25T16:59:36ZViral, bacterial, and fungal infections are frequently encountered in clinical practice, resulting in numerous cutaneous manifestations. Although diagnosis of these infections has changed over time because of technological advancements, such as [...]![]()
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Recent benthic foraminifers from the Oyambre estuary (north of Spain) have been studied in order to learn their biological response to drastic anthropic environmental changes that this estuary has undergone within the last centuries. Up to 41 sp[...]![]()
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Zelada, Henry ; Carnero, Andres-M. ; Miranda-Hurtado, Cesar ; Condezo-Aliaga, Diana ; Loza-Munarriz, Cesar ; Aro-Guardia, Pedro ; Manrique, Helard | Elsevier | 2019-02-06T14:48:08ZOBJECTIVE: To characterize and compare the beta-cell function and insulin resistance among Peruvian adolescents with type 2 diabetes (T2D) and their non-diabetic, overweight and lean peers. METHODS: Cross-sectional study of 54 adolescents aged 1[...]![]()
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Barozzini, David ; Frutos Escrig, David de ; Della Monica, Dario ; Montanari, Angelo ; Sala, Pietro | Elsevier | 2020-04-12In the last years, some extensions of ?-regular languages, namely, ?B-regular (?-regular languages extended with boundedness), ?S-regular (?-regular languages extended with strong unboundedness), and ?BS-regular languages (the combination of ?B-[...]![]()
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Moura, F. A. B. F., de ; Viana, L. P. ; Lyra, M. L. ; Malyshev, Andrey ; Domínguez-Adame Acosta, Francisco | Elsevier | 2008-10-27We study the dynamics of an electron wave-packet in a two-dimensional square lattice with an aperiodic site potential in the presence of an external uniform electric field. The aperiodicity is described by epsilon(m) = V cos(pi alpha m(x)(nu x))[...]![]()
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Yadav, Monika ; Guzmán Aránguez, Ana Isabel ; Pérez de Lara, María Jesús ; Singh, Mandeep ; Singh, Joga ; Kaur, Indu Pal | Elsevier | 2019-05-10Primary treatment for glaucoma relies on chronic instillation (daily) of intraocular pressure (IOP) lowering eye drops. Present study tends to develop and assess a novel sustained release bimatoprost loaded nanovesicular (BMT-NV) - thermosensit[...]![]()
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Ruggiero, Alessia ; García-Ortega, Lucía ; Moreira, Miguel ; Ragucci, Sara ; Landi, Nicola ; Di Marco, Antimo ; Berisio, Rita | Elsevier | 2019-09-01Ribotoxins are fungal proteins that serve as weapons against parasites and insects. They are strongly toxic due to their ability to enter host cells and inactivate ribosomes. Ageritin is the prototype of a new ribotoxin-like protein family prese[...]![]()
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Backer, Lynn de ; Cerrada, Alejandro ; Pérez Gil, Jesús ; Smedt, Stefaan C. de ; Raemdonck, Koen | Elsevier | 2015Many pathologies of the respiratory tract are inadequately treated with existing small molecule-based therapies. The emergence of RNA interference (RNAi) enables the post-transcriptional silencing of key molecular disease factors that cannot rea[...]![]()
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Pizarro, Isabel ; Gómez Gómez, M. Milagros ; León, Jennifer ; Román, Domingo ; Palacios Corvillo, M. Antonia | Elsevier | 2016-09Consumption of vegetables grown in arsenic (As)-contaminated soils is an important exposure route to the element for humans. The present study is focused on locally-grown, frequently-consumed vegetables, such as carrots (Daucus carota), beets (B[...]![]()
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Arroyo Sánchez, Miguel ; Mata Riesco, Isabel de la ; García, José Luis ; Barredo, José-Luis | Elsevier | 2017From an industrial point of view, biocatalysis is particularly important in the production of active pharmaceutical ingredients (APIs), offering increasingly high demands for regio-, stereo,- and enantioselectivity of drugs. Biocatalytic process[...]![]()
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Santos, E. ; Pinto-Carnide, O. ; Figueiras Merino, Ana Margarita ; Benito Jiménez, Cesar ; Matos, M. | Elsevier | 2019-02-07Aluminum (Al) toxicity is the major limitation for crop productivity in acid soils which are widespread all overthe world. Plant species differ in their responses to this abiotic stress having developed resistance mechanisms todetoxify and toler[...]![]()
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Urbanek, Aneta K. ; Miro?czuk, Aleksandra M. ; García Martín, Alberto ; Saborido Modia, Ana ; Mata Riesco, Isabel de la ; Arroyo Sánchez, Miguel | Elsevier | 2019-11-16Application of polyester-degrading enzymes should be considered as an eco-friendly alternative to chemical recycling due to the huge plastic waste disposal nowadays. Many hydrolases from several fungi and bacteria have been discovered and succes[...]![]()
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Pérez, Elena ; Olmo, Rosa ; Teijón, César ; Muñiz Hernando, Enriqueta ; Montero, Nuria ; Teijón, José M. ; Blanco, M. Dolores | Elsevier | 2015-12-01Nanotoxicology has emerged as an important subdiscipline of nanotechnology due to the new healthy risks associated with the use of nanosystems for therapy and diagnostic. The biocompatibility of four stimuli-responsive nanohydrogel (NG) formulat[...]![]()
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Biofilms are bacterial aggregates encased in a self-produced polymeric matrix which attach to moist surfaces and are extremely resistant to chemicals and antibiotics. Recent experiments show that their structure is defined by the interplay of el[...]![]()
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Gómez Cano, Ana Rosa ; Hernández Fernández, Manuel ; Álvarez Sierra, María Ángeles | Elsevier | 2011In order to develop paleoecological studies involving many fossil sites, there is a need to establish a consistent time framework, which enables us to arrange the fossil associations according to a sequence of biotic events and subsequently to t[...]![]()
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Sanz Montero, M. Esther ; Rodríguez Aranda, Juan Pablo ; García del Cura, M. Ángeles | Elsevier | 2009This paper provides an ancient analogue for biologically mediated celestite and barite formation in dolomite precipitating microbial mats developed in lacustrine environments during the Miocene. Barite and celestite occurrences were studied in t[...]![]()
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Gomes, C. ; Gibaja, J. F. ; Buxó, J. R. I. ; Baeza-Richer, C. ; López-Matayoshi, C. ; López-Parra, A. M. ; Palomo-Díez, S. ; Subirà, M. E. ; Arroyo-Pardo, E. | Elsevier | 2019-01-25T16:20:57ZIt is common in archeology and some forensic cases to make assumptions about the relationship between persons buried in the same grave, or in distinct burials but in the same cemetery. However, there is no objective criterion to make such suppos[...]![]()
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Ferrer Polonio, E. ; Pérez Uz, Blanca ; Mendoza Roca, J. A. ; Iborra Clar, A. ; Pastor Alcañiz, L. | Elsevier | 2017-12-25Biological treatment of fermentation brines from table olive processing (FTOP) entails many difficulties due to their very high salinity and high COD concentration, which include some phenolic compounds. These extreme conditions limit the biodiv[...]![]()
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Ortiz, José E. ; Borrego, Ángeles G. ; Gallego, José L.R. ; Sánchez-Palencia, Yolanda ; Urbanczyk, Justyna ; Torres, Trinidad ; Domingo Martínez, Laura ; Estébanez, Belén | Elsevier | 2016-05We determined the lipid distributions (n-alkanes, n-alkan-2-ones, n-alkanoic acids), total organic carbon (TOC), total nitrogen (TN), Ca/Mg and ash content in Las Conchas mire, a 3.2 m deep bryophytedominated mire in Northern Spain covering 8000[...]![]()
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Li, Zheng ; Commodore, Adwoa ; Hartinger, Stella ; Lewin, Michael ; Sjodin, Andreas ; Pittman, Erin ; Trinidad, Debra ; Hubbard, Kendra ; Lanata, Claudio-F. ; Gil, Ana-I. ; Mäusezahl, Daniel ; Naeher, Luke-P. | Elsevier | 2019-02-06T14:45:36ZBACKGROUND: Household air pollution (HAP) from indoor biomass stoves contains harmful pollutants, such as polycyclic aromatic hydrocarbons (PAHs), and is a leading risk factor for global disease burden. We used biomonitoring to assess HAP exposu[...]![]()
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Oeo-Santos, Carmen ; López Rodríguez, Juan C. ; García-Mouton, Cristina ; San Segundo-Acosta, Pablo ; Jurado, Aurora ; Moreno-Aguilar, Carmen ; García-Álvarez, Begoña ; Pérez Gil, Jesús ; Villalba, Mayte ; Barderas Manchado, Rodrigo ; Cruz Rodríguez, Antonio | Elsevier | 2020-03-04Ole e 7 allergen from Olea europaea pollen possesses a major clinical relevance because it produces severe symptoms, such as anaphylaxis, in allergic patients exposed to high olive pollen counts. Ole e 7 is a non-specific lipid transfer protein [...]![]()
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Seasonal desiccation of Mg2+–(Na+)–(Ca2+)–SO42?–(Cl?) saline lakes in La Mancha (Central Spain) that host microbial mats led to the precipitation of hydrated Na-Mg sulphates and gypsum. Sulphates precipitated in the submerged conditions form ext[...]![]()
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Gómez Gómez, M.Milagros ; Rodríguez Fariñas, Nuria ; Cañas Montalvo, Benito ; Domínguez, Jorge ; Guinovart, Joan ; Cámara Rica, Carmen | Elsevier | 2011-05-30It is known that oral administration of sodium tungstate preserves the pancreatic beta cell function in diabetic rats. Healthy and streptozotocin-induced diabetic rats were treated with sodium tungstate for one, three or six weeks, after which t[...]![]()
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Verdú, I. ; Trigo Aza, María Dolores ; Martínez Guitarte, J. L. ; Novo Rodríguez, Marta | Elsevier | 2018-01The application of biosolids in agricultural fields is increasing annually. They contain not only nutrients but also xenobiotics, such as Bisphenol A (BPA). These compounds are not regulated in the use of biosolids in agriculture, which highligh[...]![]()
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This paper describes an application of Rota and collaborator's ideas, about the foundation on combinatorial theory, to the computing of solutions of some linear functional partial differential equations. We give a dynamical interpretation of the[...]![]()
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Sosa, Irene de ; Fernández Marchán, Daniel ; Novo Rodríguez, Marta ; Almodovar Pérez, Ana María | Elsevier | 2017-01Due to the influence of Atlantic Ocean and Mediterranean Sea, Spain has different climates, from desert to Atlantic. We sampled the parthenogenetic earthworm Eiseniella tetraedra in two different biogeographical zones in Spain, in order to study[...]![]()
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Mela Rivas, Virginia ; Jiménez, Sara ; Freire Regatillo, Alejandra ; Barrios, Vicente ; Marco López, Eva ; López Rodríguez, Ana Belén ; Argente, Jesús ; Viveros, María Paz ; Chowen, Julie A. | Elsevier | 2016-12The neonatal leptin surge, occurring from postnatal day (PND) 5 to 13 and peaking at PND9 in rodents, is important for the development of neuroendocrine circuits involved in metabolic control and reproductive function. We previously demonstrated[...]![]()
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Lang, Morin ; Faini, Andrea ; Caravita, Sergio ; Bilo, Grzegorz ; Anza-Ramirez, Cecilia ; Villafuerte, Francisco-C. ; Macarlupu, Jose-Luis ; Salvioni, Elisabetta ; Agostoni, Piergiuseppe ; Parati, Gianfranco | Elsevier | 2019-02-06T14:45:36ZBackground: Limited evidence exists on blood pressure (BP) responses to exercise in hypertensive subjects exposed to high altitude, and on the effects of antihypertensive treatment in this setting. We aimed to asses BP response to submaximal exe[...]![]()
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We consider the equation (E) u(t) = ?u + u(p) where x ? R(N) (N ? 1), t > 0, p > 1. We show that if N ? 11 and p > N - 2 (N - 1)1/2/(N - 4) - 2(N - 1)1/2 then there exist radial and positive solutions of (E) which blow up at x = 0, t = T![]()
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We study the asymptotic behaviour of nonnegative solutions of the nonlinear diffusion equation in the half-line with a nonlinear boundary condition, ut = uxx ? _(u + 1) logp(u + 1) (x, t) € R+ × (0, T),?ux(0, t) = (u + 1) logq(u + 1)(0, t) t € ([...]![]()
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Bouleiceras is a very rare genus among the rich assemblages of ammonoids from the lower Toarcian of the Iberian Range. So far, only two dozen specimens have been recorded in numerous field campaigns carried out since 1965 by different authors. T[...]![]()
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We consider the finite-difference and finite-element space discretization of the 1 - d wave equation with homogeneous Dirichlet boundary conditions in a bounded interval. We analyze the problem of estimating the total energy of solutions in term[...]![]()
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We show that, in certain situations, we have lineability in the set of bounded linear and non-absolutely summing operators. Examples on lineability of the set Pi(p)(E, F) \ I-p(E, F) are also presented and some open questions are proposed.![]()
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We consider the semilinear parabolic system (S) { ut-?u=vp ; vt-?v=uq, where x ? R(N) (N ? 1), t > 0, and p, q are positive real numbers. At t=0, nonnegative, continuous, and bounded initial values (u0(x), v0(x)) are prescribed. The correspon[...]![]()
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Baeza Carratalá, José Francisco ; Garcia Joral, Fernando ; Tent Manclús, Jose Enrique | Elsevier | 2016-07The La Mola region (eastern External Betic Zone) can be regarded as one of the easternmost complete Jurassic successions of the Betic Cordillera in the Iberian Peninsula, but the paleogeographical setting of their outcrops remains widely discuss[...]