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Elsevier |
Documentos disponibles de esta editorial (2214)
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Mascini, Marcello ; Gaggiotti, Sara ; Della Pelle, Flavio ; Wang, Joseph ; Pingarrón Carrazón, José Manuel ; Compagnone, Dario | Elsevier | 2019-01-01Hairpin DNA (hpDNA) loops were used for the first time as molecular binding elements in gas analysis. The hpDNA loops sequences of unpaired bases were studied in-silico to evaluate the binding versus four chemical classes (alcohols, aldehydes, e[...]![]()
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Enciso, Alberto ; Finkel Morgenstern, Federico ; González López, Artemio ; Rodríguez González, Miguel Ángel | Elsevier | 2005-02-21We introduce four types of SU(2M + 1) spin chains which can be regarded as the BCN versions of the celebrated Haldane-Shastry chain. These chains depend on two free parameters and, unlike the original Haldane-Shastry chain, their sites need not [...]![]()
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The variational problem on spatial curves defined by the integral of the squared curvature, whose solutions are the elasticae or nonlinear splines, is analyzed from the Hamiltonian point of view, using a procedure developed by Munoz Masqueand Po[...]![]()
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Clemente Barreira, Juan Antonio ; Mansour, Wassim ; Ayoubi, Rafic ; Serrano, Felipe ; Mecha López, Hortensia ; Ziade, Haissam ; El Falou, Wassim ; Velazco, Raoul | Elsevier | 2016-01-01This letter presents an FPGA implementation of a fault-tolerant Hopfield NeuralNetwork (HNN). The robustness of this circuit against Single Event Upsets (SEUs) and Single Event Transients (SETs) has been evaluated. Results show the fault toleran[...]![]()
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Hauterivian biogenic deposits from the Prebetic northern margin near Caudete (Albacete Province, southeastern Spain) are represented by low domed bodies, less than 10 m thick, surrounded by bioclastic sediments and capped by siliciclastics. They[...]![]()
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Berthelot, Karine ; Estevez, Yannick ; Quiliano, Miguel ; Baldera-Aguayo, Pedro-A. ; Zimic, Mirko ; Pribat, Anne ; Bakleh, Marc-Elias ; Teyssier, Emeline ; Gallusci, Philippe ; Gardrat, Christian ; Lecomte, Sophie ; Peruch, Frederic | Elsevier | 2019-02-06T14:45:11ZIn this study, we cloned, expressed and purified the isopentenyl diphosphate isomerases (IDIs) from two plants, Hevea brasiliensis and Solanum lycopersicum, and compared them to the already well characterized Escherichia coli IDI. Phylogenetic a[...]![]()
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The tape head interaction in magnetic recording is modelled by a coupled system of a second order differential equation for the pressure and a fourth-order differential equation for the tape deflection. There is also the constraint that the spac[...]![]()
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Abubakar, Ibrahim ; Miranda, J. Jaime ; Barreto, Mauricio L. ; Orcutt, Miriam ; Devakumar, Delan | Elsevier | 2019-12-06T20:57:43Z![]()
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Abubakar, Ibrahim ; Miranda, J. Jaime ; Barreto, Mauricio L. ; Orcutt, Miriam ; Devakumar, Delan ; UCL-Lancet Commission on Migration and Health | Elsevier | 2019-07-04T17:00:15ZWe thank Baltica Cabieses for describing the importance of simple innovation in addressing some of the challenges reported in the UCL– Lancet Commission on Migration and Health, particularly regarding clinical consultations and the operationalis[...]![]()
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Atun, Rifat ; de Andrade, Luiz Odorico Monteiro ; Almeida, Gisele ; Cotlear, Daniel ; Dmytraczenko, T. ; Frenz, Patricia ; Garcia, Patricia ; Gomez-Dantes, Octavio ; Knaul, Felicia M. ; Muntaner, Carles ; de Paula, Juliana Braga ; Rigoli, Felix ; Serrate, Pastor Castell-Florit ; Wagstaff, Adam | Elsevier | 2019-02-06T14:53:06ZStarting in the late 1980s, many Latin American countries began social sector reforms to alleviate poverty, reduce socioeconomic inequalities, improve health outcomes, and provide financial risk protection. In particular, starting in the 1990s, [...]![]()
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WHO estimates that 1·6 million people die each year before or during tuberculosis treatment. In The Lancet Infectious Diseases , Kamila Romanowski and colleagues' 1 meta-analysis showed that tuberculosis survivors have approximately three-times[...]![]()
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Mengual Cabezón, Juan Ignacio ; Khayet Souhaimi, Mohamed ; Godino Gómez, María Paz | Elsevier | 2004-02-04In the membrane distillation (MD) literature, the heat transfer coefficients of the boundary layers are usually estimated from well known heat transfer empirical correlations developed for non-porous and rigid heat exchangers. A difference betwe[...]![]()
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Earth currently loses two to five times as much heat through its surface as it is internally produced by radioactivity. This proportion cannot be extrapolated into the past, because it would imply high interior temperatures and catastrophic melt[...]![]()
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Triton's surface shows clear evidences of resurfacing processes such as volcanism, tectonic structures and a very low presence of impact basins, which indicates that Triton's interior could remain active currently. It is generally assumed in icy[...]![]()
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Singh, Rashim Pal ; Grinenko, Tatyana ; Ramasz, Beáta ; Franke, Kristin ; Lesche, Mathias ; Dahl, Andreas ; Gassmann, Max ; Chavakis, Triantafyllos ; Henry, Ian ; Wielockx, Ben | Elsevier | 2018-11-30T17:17:12ZThe hematopoietic stem cell (HSC) compartment consists of a small pool of cells capable of replenishing all blood cells. Although it is established that the hematopoietic system is assembled as a hierarchical organization under steady-state cond[...]![]()
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Auditeau, Emilie ; Moyano, Luz Maria ; Bourdy, Genevieve ; Nizard, Mandy ; Jost, Jeremy ; Ratsimbazafy, Voa ; Preux, Pierre-Marie ; Boumediene, Farid | Elsevier | 2018-12-01T00:04:14ZEthnopharmacological relevance: Epilepsy affects 150,000 people in Peru, with a prevalence of 16.6/1000 and a treatment gap of 75%. Herbal medicine (HM) is widely used in this country. Aim of the study: We aimed to assess the use of plants in a [...]![]()
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Heterochrony, evolutionary modifications in the rates and/or the timing of development, is widely recognized as an important agent of evolutionary change. In this paper, we are concerned with the detection of this evolutionary mechanism through [...]![]()
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The objective of this paper is to examine whether the threshold beyond which a public debt change may have a detrimental effect on economic growth changes across euro area countries during the 1961–2015 period. In contrast with previous studies,[...]![]()
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Castillo-Neyra, Ricardo ; Borrini Mayori, Katty ; Salazar Sanchez, Renzo ; Ancca Suarez, Jenny ; Xie, Sherrie ; Naquira Velarde, Cesar ; Levy, Michael Z. | Elsevier | 2019-02-06T14:59:07ZGuinea pigs are important reservoirs of Trypanosoma cruzi , the causative parasite of Chagas disease, and in the Southern Cone of South America, transmission is mediated mainly by the vector Triatoma infestans . Interestingly, colonies of Triato[...]![]()
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The lipoyl domains of 2-oxo acid dehydrogenase multienzyme complexes and the biotinyl domains of biotin-dependent enzymes have homologous structures, but the target lysine residue in each domain is correctly selected for posttranslational modifi[...]![]()
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This paper presents several heuristics for a variation of the vehicle routing problem in which the transportation fleet is composed of electric vehicles with limited autonomy in need for recharge during their duties. In addition to the routing p[...]![]()
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Suárez Causado, Amileth ; Caballero Díaz, D. ; Bertrán, E. ; Roncero Romero, César ; Addante, Annalisa ; García Álvaro, M. ; Fernández García de Castro, M. ; Herrera González, Blanca ; Porras Gallo, Almudena ; Fabregat, I. ; Sánchez Muñoz, Aránzazu | Elsevier | 2015-07-21Oval cells constitute an interesting hepatic cell population. They contribute to sustain liver regeneration during chronic liver damage, but in doing this they can be target of malignant conversion and become tumor-initiating cells and drive hep[...]![]()
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Both animal hibernation and human renal osteodystrophy are characterized by high levels of serum parathyroid hormone. To test the hypothesis of hibernation in an extinct human species, we examined the hominin skeletal collection from Sima de los[...]![]()
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Hoyo Muñoz, Jesús del ; Sánchez Brea, Luis Miguel ; Gómez Pedrero, José Antonio | Elsevier | 2020-04-11We present a novel method for calibrating a four-axis Mueller matrix polarimeter. This method is valid even for non-ideal optical elements, as it models all polarization elements having both diattenuation and retardance. The method is divided in[...]![]()
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Beran, David ; Chappuis, Francois ; Damasceno, Albertino ; Jha, Nilambar ; Pesantes, María Amalia ; Singh, Suman Bahadur ; Somerville, Claire ; Suggs, L. Suzanne ; Miranda, J. Jaime | Elsevier | 2019-07-04T17:00:15ZThe launch of two landmark publications on the quality of care in the world's poorest populations, including The Lancet Global Health Commission on high-quality health systems in the Sustainable Development Goals era (September, 2018), is a welc[...]![]()
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Beran, D. ; Chappuis, F. ; Damasceno, A. ; Jha, N. ; Pesantes, M.A. ; Singh, S.B. ; Somerville, C. ; Suggs, L.S. ; Miranda, J.J. ; COHESION Project | Elsevier | 2019-12-06T21:04:46Z![]()
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In this paper, we present high-resolution friction force microscopy (FFM) images of the (100) face of kyanite (Al2SiO5) immersed in water. These images show an almost rectangular lattice presumably defined by the protruding oxygen of AlO6 polyhe[...]![]()
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In this paper we present high resolution atomic force microscopy (AFM) images of dolomite (104) cleavage surfaces immersed in pure water. These images show a rectangular lattice with surface unit cell dimensions in general agreement with those d[...]![]()
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Domínguez Villar, David ; Wang, Xianfeng ; Cheng, Hai ; Martín Chivelet, Javier ; Edwards, R. Lawrence | Elsevier | 2008A high-resolution calcite oxygen stable isotopic (?18O) record, covering the past 4000 years, was obtained from Kaite Cave, northern Spain. The record has a mean ?18O value of -6.25% VPDB and a range of 2%. Spectral analysis of the d18O data sho[...]![]()
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Martínez Carmona, Marina ; Colilla, Montserrat ; Ruiz González, M. Luisa ; González Calbet, José M. ; Vallet Regí, María | Elsevier | 2016-05-01This work demonstrates that high resolution transmission electron microscopy (HRTEM) is an essential tool to understand drug delivery performance of mesoporous silica materials, mainly those submitted to functionalization processes involving har[...]![]()
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Quantum computers have the potential to solve difficult mathematical problems efficiently, therefore meaning an important threat to Public-Key Cryptography (PKC) if large-scale quantum computers are ever built. The goal of Post-Quantum Cryptogra[...]![]()
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For a complex quasi-projective manifold with a finite group action, we define higher order generalized Euler characteristics with values in the Grothendieck ring of complex quasi-projective varieties extended by the rational powers of the class [...]![]()
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Alarcon, Renato-D. ; Parekh, Amrita ; Wainberg, Milton-L. ; Duarte, Cristiane-S. ; Araya, Ricardo ; Oquendo, Maria-A. | Elsevier | 2019-02-06T14:51:16ZHispanic immigration in the USA and its effect on many areas of US society are of great relevance to health care, public health, mental health, and medical and social sciences. In this report, we review and discuss pertinent literature on causes[...]![]()
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Sánchez Moya, Yolanda ; Sopeña Ortega, Alfonso ; Machado, María J. ; Medialdea, Alicia ; Calle, M. ; Rico, María T. | Elsevier | 2017-07-24This paper provides a new methodological approach to analyse secular patterns of flooding (magnitude and frequency) from sedimentary evidence (palaeofloods), taking into account changes in channel geometry, and their links to historical environm[...]![]()
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Poteat, Tonia ; Wirtz, Andrea L. ; Radix, Anita ; Borquez, Annick ; Silva-Santisteban, Alfonso ; Deutsch, Madeline B. ; Khan, Sharful Islam ; Winter, Sam ; Operario, Don | Elsevier | 2019-02-06T14:59:06ZWorldwide, transgender women who engage in sex work have a disproportionate risk for HIV compared with natal male and female sex workers. We reviewed recent epidemiological research on HIV in transgender women and show that transgender women se[...]![]()
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Santisteban Navarro, Juan Ignacio ; Mediavilla, Rosa ; Galán de Frutos, L. ; López Cilla, Ignacio | Elsevier | 2019-10The study of flooding can be complex as it involves dynamic systems (rivers) characterized by high variability in time and space. To minimize the effects of these handicaps, we merge several records from different locations across the hydrograph[...]![]()
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Lario Gómez, Javier ; Zazo Cardeña , Caridad ; Goy Goy, José Luis ; Silva Barroso, Pablo Gabriel ; Bardají Azcárate, Teresa ; Cabero del Río, Ana ; Dabrio, Cristino J. | Elsevier | 2011Many on-shore studies focused on high energy marine events occurred in the Gulf of Cadiz have been published since the 1990s. Most of the findings came from sedimentary, palaeontological and geomorphological records on estuaries, marshes, beach-[...]![]()
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Aniceto, K. ; Moreira-Turcq, P. ; Cordeiro, R.C. ; Fraizy, P. ; Quintana, I. ; Turcq, B. | Elsevier | 2020-06-10T18:12:14ZIn order to study the impact of hydrological changes of the Amazon River on sedimentation process and organic matter (OM) accumulation, in an Amazonian floodplain lake during the Holocene, three sediment cores were collected from Quistococha Lak[...]![]()
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A classification of homogeneous quaternionic Kähler structures by real tensors is given and related to Fino’s representation theoretic decomposition. A relationship between the modules whose dimension grows linearly and quaternionic hyperbolic s[...]![]()
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In this paper we analyze the behavior of the Laplace operator with Neumann boundary conditions in a thin domain of the type where the function G(x,y) is periodic in y of period L. Observe that the upper boundary of the thin domain presents a hi[...]![]()
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The spectacular development of the internet in the past two decades and enormous prospects for its continuing growth are transforming social life. Such unprecedented transformation is affecting not only forms of communication that have always be[...]![]()
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This review is a survey on recent psychobiosocial studies on association between hormones and aggression/violence in children and adolescents, with a special focus on puberty, given the rapid changes in both hormones and behavior occurring durin[...]![]()
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Liguori, N. ; Tarque, N. ; Bambarén, C. ; Spacone, E. ; Viveen, W. ; de Filippo, G. | Elsevier | 2019-07-04T17:00:15ZA quantitative methodology that computes the capacity of hospitals to operate on injured people in the aftermath of a seismic event is presented. The model incorporates variables such as organizational and human preparedness, damage to buildings[...]![]()
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"To ensure the conformance of an implementation under test (IUT) with respect to a specification requires, in general, the application of an infinite number of tests. In order to use finite test suites, most testing methodologies add some feasib[...]![]()
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We would like to thank Dr Puljak for her interest in our article and for providing an interesting point for discussion regarding the classification of the types of primary and secondary research reported in our study. Dr Puljak suggests that met[...]![]()
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The objective of this research is to evaluate how technological knowledge flows from universities may increase innovation by firms located in a science park. We propose that firms with the capacity to acquire and assimilate the knowledge provide[...]![]()
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Martínez de Toda Cabeza, Irene ; Vida, Carmen ; Ortega, Eduardo ; Fuente del Rey, Mónica de la | Elsevier | 2016-11Under stressful conditions, the expression of the chaperone Hsp70 is induced, which acts as a cellular defense mechanism. The impairment in this induction has been related to aging, whereas an increased expression has been related to longevity. [...]![]()
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Torres-Cabala, Carlos A. ; Curry, Jonathan L. ; Li Ning Tapia, Elsa Ml ; Ramos, Cesar ; Tetzlaff, Michael T. ; Prieto, Victor G. ; Miranda, Roberto N. ; Bravo, Francisco | Elsevier | 2019-02-06T14:52:39ZBackground. Human T-lymphotropic virus (HTLV)-1-associated infective dermatitis (ID) is a rare severe chronic eczema, considered as a harbinger for the development of cutaneous adult T-cell leukemia/lymphoma (ATLL) and/or HTLV-1-associated myelo[...]