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Elsevier |
Documentos disponibles de esta editorial (2214)
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Medical devices are under strict regulatory oversight worldwide and such regulations prioritise patient safety and efficacy over anything else. Contact lenses fall under the medical device category - a result of direct contact with the eye. Equa[...]texto impreso
Casquet, César ; Dahlquist, Juan Andrés ; Verdecchia, Sebastián Osvaldo ; Baldo, Edgardo ; Rapela, Carlos W. ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Morales, Matias M. ; Murra, Juan Alberto ; Fanning, C.M. | Elsevier | 2018-02The Pampean orogeny of northern Argentina resulted from Early Cambrian oblique collision of the Paleoproterozoic-Mesoproterozoic MARA block, formerly attached to Laurentia, with the Gondwanan Kalahari and Rio de la Plata cratons. The orogen is p[...]texto impreso
Rapela, Carlos W. ; Pankhurst, Robert J. ; Casquet, César ; Dahlquist, Juan A. ; Fanning, C. Mark ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Alasino, Pablo H. ; Ramacciotti, Carlos D. ; Verdecchia, Sebastián O. ; Murra, Juán A. ; Basei, Miguel A.S. | Elsevier | 2018-12Along the proto-Pacific margin of Gondwana, from Venezuela to northeastern Patagonia, the Early–Middle Ordovician Famatinian orogeny was the first orogenic event following assembly of the supercontinent. Previous isotope studies of the igneous a[...]texto impreso
Del Brutto, O. H. ; Nash, T. E. ; White, A. C. Jr ; Rajshekhar, V. ; Wilkins, P. P. ; Singh, G. ; Vasquez, C. M. ; Salgado, P. ; Gilman, R. H. ; Garcia, H. H. | Elsevier | 2019-01-25T17:00:30ZBACKGROUND: A unified set of criteria for neurocysticercosis (NCC) has helped to standardize its diagnosis in different settings. METHODS: Cysticercosis experts were convened to update current diagnostic criteria for NCC according to two princip[...]texto impreso
Del Brutto, O. H. ; Nash, T. E. ; White, A. C. Jr ; Rajshekhar, V. ; Wilkins, P. P. ; Singh, G. ; Vasquez, C. M. ; Salgado, P. ; Gilman, R. H. ; Garcia, H. H. | Elsevier | 2019-01-25T17:00:30Ztexto impreso
Conde Valverde, Mercedes ; Rosa, Manuel ; Martínez, Ignacio ; Marchamalo, Julio ; Pantoja Pérez, Ana ; Quam, Rolf ; Lorenzo, Carlos ; Gracia Téllez, Ana ; García Fernández, Alfredo ; Arsuaga, Juan Luis ; Rivera Rodríguez, Teresa | Elsevier | 2019-10Pathological conditions have been previously documented in the Middle Pleistocene Sima de los Huesos hominins from northern Spain, and several of these have clear behavioral implications. Within this fossil assemblage, Cranium 4 shows bilateral [...]texto impreso
The Permian and Triassic of Minorca (Balearic Islands) consists of a 670-m-thick, red, alluvial succession that includes in situ calcrete profiles and reworked calcrete material. In the Permian succession, the calcretes vary from laminar forms d[...]texto impreso
Hontecillas, Daniel ; Houssaye, Alexandra ; Laplana, César ; Sevilla, Paloma ; Arsuaga, Juan Luis ; Pérez-González, Alfredo ; Baquedano, Enrique ; Knoll, Fabien | Elsevier | 2014-12Three sites at the Calvero de la Higuera complex (Camino Cave, Navalmaíllo Rock Shelter, and Buena Pinta Cave), near the village of Pinilla del Valle (Madrid, Spain), are known for their record of Neanderthals and other Late Pleistocene mammals.[...]texto impreso
A new type of trace fossil from the Lower Cretaceous of Patagonia that may record the oldest evidence of insect agriculture is represented by biconvex, sub-spherical, carbonate balls composed of a dense mass of rhizoliths. The best preserved bal[...]texto impreso
de la Fuente Herreruela, Diego ; Gónzalez Charro, Vicente ; Almendro Vedia, Víctor G. ; Morán, María ; Martín, Miguel Ángel ; Lillo, M. Pilar ; Natale, Paolo ; López-Montero, Iván | Elsevier | 2017Mitochondria are essential for the production and maintenance of ATP in the eukaryotic cell. To image and monitor intracellular ATP level without cell breakage, biological and chemical sensors were developed in the last years. Here, we have inte[...]texto impreso
Gutiérrez Alonso, Gabriel ; Murphy, J. Brendam ; Fernández Suárez, Javier ; Hamilton, M.A. | Elsevier | 2008Exposures of volcanic rocks (El Castillo) in the Central Iberian Zone near Salamanca, Spain, are representative of Paleozoic volcanic activity along the northern Gondwanan passive margin. Alkaline basalts and mafic volcaniclastic rocks of this s[...]texto impreso
The dynamics of inelastic hard spheres is described in terms of the binary collision expansion, yielding the corresponding pseudo-liouville equation and BBGKY hierarchy for the reduced distribution functions. Based on cluster expansion technique[...]texto impreso
We give a presentation for the Floer cohomology ring HF*(?×S1), where ? is a Riemann surface of genus g ? 1,which coincides with the conjectural presentation for the quantum cohomology ring of the moduli space of odd degree rank two stable vecto[...]texto impreso
Billig, Erica ; Lee, Kwonsang ; Roy, Jason A. ; Small, Dylan ; Ross, Michelle E. ; Castillo-Neyra, Ricardo ; Levy, Michael Z. | Elsevier | 2019-03-05T15:24:21ZVector-borne diseases commonly emerge in urban landscapes, and Gaussian field models can be used to create risk maps of vector presence across a large environment. However, these models do not account for the possibility that streets function as[...]texto impreso
Faggion, C.M., Jr. ; Aranda, L. ; Pandis, N. ; Alarcón, M.A. ; Diaz, K.T. | Elsevier | 2019-07-04T17:00:23ZObjectives: To assess the changes in the risk of bias (RoB) across different versions of the same Cochrane systematic review, and to identify characteristics of systematic reviews which may be associated with different RoB scores by means of reg[...]texto impreso
Faggion, C.M., Jr. ; Aranda, L. ; Pandis, N. ; Alarcón, M.A. ; Diaz, K.T. | Elsevier | 2019-12-06T21:04:52ZObjectives: To assess the changes in the risk of bias (RoB) across different versions of the same Cochrane systematic review, and to identify characteristics of systematic reviews which may be associated with different RoB scores by means of reg[...]texto impreso
The well-documented, well-preserved, and well-exposed Lockne crater is a reference crater for marine-target impacts on Earth. The large amount of data allows detailed analysis of the cratering and modification processes. A unique feature of Lock[...]texto impreso
Andradas Heranz, Carlos ; Pérez Gómez, E. ; Quintanilla, M. ; Flores, J. M. ; Paramio, J. ; Guzmán, M. ; Sánchez, C. | Elsevier | 2012-07Our results show that GPR55-deficient mice are significantly more resistant to DMBA/TPA-induced papilloma and carcinoma formation than their wt littermates. Different in vitro and in vivo approaches show that GPR55 confers oncogenic properties o[...]texto impreso
Vida, Carmen ; Martínez de Toda Cabeza, Irene ; Cruces, Julia ; Garrido Tarrio, Antonio ; González Sánchez, Mónica ; Fuente del Rey, Mónica de la | Elsevier | 2017The age-related changes in the immune functions (immunosenescence) may be mediated by an increase of oxidative stress and damage affecting leukocytes. Although the “oxidation-inflammation” theory of aging proposes that phagocytes are the main im[...]texto impreso
Martín-González, Fidel ; Fernández Lozano, Javier ; De Vicente Muñoz, Gerardo ; Crespo Martín, Cristina | Elsevier | 2020-12-29The role of inherited weaknesses in metamorphic basements with respect to the geometry and tectonic evolution of subsequent orogens formation forms a cornerstone of structural reconstructions, especially in non-inverted orogens with old Variscan[...]texto impreso
The Cameros Basin (Iberian Chain, NE Spain) formed during the latest Jurassic–Early Cretaceous rifting stage in an extensional regime characterized by high subsidence rates. Its sedimentary infill (thicker than 6000 m) has been subdivided into e[...]texto impreso
Ribotoxins are a family of toxic extracellular fungal RNases that first enter into the cells and then exert a highly specific ribonucleolytic activity on the larger rRNA molecule, leading to protein synthesis inhibition and cell death by apoptos[...]texto impreso
In this note we prove that if a differentiable function oscillates between y« and « on the boundary of the unit ball then there exists a point in the interior of the ball in which the differential of the function has norm equal or less than« . T[...]texto impreso
A Hilbert space operator is called universal (in the sense of Rota) if every operator on the Hilbert space is similar to a multiple of the restriction of the universal operator to one of its invariant subspaces. We exhibit an analytic Toeplitz o[...]texto impreso
Unit groups of orders in quaternion algebras over number fields provide important examples of non-commutative arithmetic groups. Let K = Q(d ) be a quadratic field with d