Recursos de colección

E-Prints Complutense (104.951 recursos)

En este archivo los docentes e investigadores de la UCM depositan sus documentos en acceso abierto (open access)

Estado = En prensa

Mostrando recursos 1 - 20 de 31

  1. Citizen science provides a reliable and scalable tool to track disease-carrying mosquitoes

    Palmer, John R. B.; Oltra, Aitana; Collantes, Francisco; Delgado Sáez, Juan Antonio; Lucientes, Javier; Delacour, Sarah; Bengoa, Mikel; Eritja, Roger; Bartumeus, Frederick
    Recent outbreaks of Zika, chikungunya and dengue highlight the importance of better understanding the spread of disease-carrying mosquitoes across multiple spatio-temporal scales. Traditional surveillance tools are limited by jurisdictional boundaries and cost constraints. Here we show how a scalable citizen science system can solve this problem by combining citizen scientists’ observations with expert validation and correcting for sampling effort. Our system provides accurate early warning information about the Asian tiger mosquito (Aedes albopictus) invasion in Spain, well beyond that available from traditional methods, and vital for public health services. It also provides estimates of tiger mosquito risk comparable to those...

  2. Entre la abnegación y la autonomía. Disposiciones de género en tensión en la experiencia de los vínculos amorosos heterosexuales

    Castrillo Bustamante, María Concepción
    En este trabajo indagamos en las disposiciones de género que se despliegan en la experiencia de los vínculos amorosos heterosexuales. Para ello nos servimos de un material cualitativo basado en 31 entrevistas en profundidad a mujeres y hombres de entre 25 y 35 años, residentes en Madrid y con diferentes trayectorias de clase social. Comenzamos describiendo ciertas posiciones frecuentes y significativas en la interacción amorosa: la ambivalencia masculina y la búsqueda femenina de reconocimiento. Posteriormente profundizamos en las lógicas del aguante de la insatisfacción por parte de las mujeres. Este análisis nos conduce a la constatación de ciertas contradicciones entre...

  3. Evaluation of the contribution of D9S1120 to anthropological studies in Native American populations

    Aguilar-Velázquez, J.A.; Martínez-Sevilla, V. Manuel; Sosa Macías, Martha; González Martín, Antonio; Muñoz-Valle, J. F.; Rangel Villalobos, Héctor
    The D9S1120 locus exhibits a population-specific allele of 9 repeats (9RA) in all Native American and two Siberian populations currently studied, but it is absent in other worldwide populations. Although this feature has been used in anthropological genetic studies, its impact on the evaluation of the structure and genetic relations among Native American populations has been scarcely assessed. Consequently, the aim of this study was to evaluate the anthropological impact of D9S1120 when it was added to STR population datasets in Mexican Native American groups. We analyzed D9S1120 by PCR and capillary electrophoresis (CE) in 1117 unrelated individuals from 13...

  4. Multifunctional Protocells for Enhanced Penetration in 3D Extracellular Tumoral Matrices.

    Villegas Díaz, María Rocío; Baeza García, Alejandro; Nouredinne, Achraf; Durfee, Paul N; Butler, Kimberly S; Agola, Jacob Ongudi; Brinker, C.Jeffrey; Vallet Regí, María
    The high density of the extracellular matrix in solid tumors is an important obstacle to nanocarriers for reaching deep tumor regions and has severely limited the efficacy of administrated nanotherapeutics. The use of proteolytic enzymes prior to nanoparticle administration or directly attached to the nanocarrier surface has been proposed to enhance their penetration, but the low in vivo stability of these macromolecules compromises their efficacy and strongly limits their application. Herein, we have designed a multifunctional nanocarrier able to transport cytotoxic drugs to deep areas of solid tumors and once there, to be engulfed by tumoral cells causing their destruction....

  5. Changes in corneal biomechanical properties after 24 hours of continuous intraocular pressure monitoring using a contact lens sensor

    Morales Fernández, Laura; García Bella, Javier; Martínez de la Casa, Jose Maria; Sánchez Jean, Rubén; Sáenz Francés, Federico; Arriola Villalobos, Pedro; Perucho González, Lucía; Santos Bueso, Enrique; García Feijoo, Julián
    Objective: This study was designed to assess changes in corneal topography and biomechanics after intraocular pressure (IOP) monitoring using the Triggerfish contact lens sensor (CLS). Methods: For this prospective study, 30 eyes of 30 subjects: 14 healthy subjects (G1) and 6 glaucoma patients (G2), were recruited for 24 hours of continuous IOP monitoring using the CLS. The following measurements were taken before CLS fitting and after lens removal: maximum keratometry (Kmax), mean keratometry (MK), and corneal astigmatism (Cyl) measured through Pentacam corneal topography, and the corneal biomechanical variables corneal hysteresis (CH) and corneal resistance factor (CRF) measured with the Ocular Response...

  6. Application of the Laminar Navier–Stokes Equations for Solving 2D and 3D Pathfinding Problems with Static and Dynamic Spatial Constraints: Implementation and Validation in Comsol Multiphysics

    Ivorra, Benjamin
    Pathfinding problems consist in determining the optimal shortest path, or at least one path, between two points in the space. In this paper, we propose a particular approach, based on methods used in computational fluid dynamics, that intends to solve such problems. In particular, we reformulate pathfinding problems as the motion of a viscous fluid via the use of the laminar Navier–Stokes equations completed with suitable boundary conditions corresponding to some characteristics of the considered problem: position of the initial and final points, a-priori information of the terrain, One-way routes and dynamic spatial configuration. Then, we propose and validate a...

  7. The effect of ageing on the ocular surface parameters

    Rico del Viejo, Laura; Lorente Velázquez, Amalia; Hernández Verdejo, José Luis; García Mata, Ricardo; Benítez del Castillo, José Manuel; Madrid Costa, David

  8. The effect of ageing on the ocular surface parameters

    Rico del Viejo, Laura; Lorente Velázquez, Amalia; Hernández Verdejo, José Luis; García Mata, Ricardo; Benítez del Castillo, José Manuel; Madrid Costa, David

  9. Solubility of the metal precursor Ni(NO3)2⋅6H2O in high-pressure CO2 + ethanol mixtures

    Tenorio, María José; Ginés, Sonia; Pando, Concepción; Rodríguez Renuncio, José Antonio; Cabañas Poveda, Albertina
    The solubility of Ni(NO3)2⋅6H2O in high-pressure CO2 + ethanol mixtures was measured using a high-pressure variable-volume view cell from (308.2 to 353.2 K) and up to 25.0 MPa. This compound has been used previously as a Ni precursor in metal deposition experiments using supercritical CO2. Ni(NO3)2•6H2O was not soluble in pure CO2 but the addition of ethanol into the system allowed the solubilisation of the hydrated salt in the mixture. Mole fraction of Ni(NO3)2•6H2O varied from 1.67 10-4 to 1.97 10-3. At these salt concentrations, the phase diagram of the CO2 + EtOH + Ni(NO3)2⋅6H2O system resembled that of the...

  10. Solubility of the metal precursor Ni(NO3)2⋅6H2O in high-pressure CO2 + ethanol mixtures

    Tenorio, María José; Ginés, Sonia; Pando, Concepción; Rodríguez Renuncio, José Antonio; Cabañas Poveda, Albertina
    The solubility of Ni(NO3)2⋅6H2O in high-pressure CO2 + ethanol mixtures was measured using a high-pressure variable-volume view cell from (308.2 to 353.2 K) and up to 25.0 MPa. This compound has been used previously as a Ni precursor in metal deposition experiments using supercritical CO2. Ni(NO3)2•6H2O was not soluble in pure CO2 but the addition of ethanol into the system allowed the solubilisation of the hydrated salt in the mixture. Mole fraction of Ni(NO3)2•6H2O varied from 1.67 10-4 to 1.97 10-3. At these salt concentrations, the phase diagram of the CO2 + EtOH + Ni(NO3)2⋅6H2O system resembled that of the...

  11. The effect of soft contact lens thickness in visual function after intracorneal ring segments surgery

    Carracedo Rodríguez, Juan Gonzalo; Canales Calvo, Javier; González Balboa, Paula; Recchioni, Alberto; Carpena Torres, Carlos; Carballo Álvarez, Jesús
    Objective: To study the influence of soft contact lens (SCL) central thickness and material in keratoconus on visual function after intracorneal ring segment (ICRS) surgery. Methods: A pilot, experimental, prospective, cross-sectional and double-blind study was performed. Fourteen keratoconus patients with age range of 34.75 ± 9.22 years (7 males and 7 females) with ICRS implanted were involved in the study. Two different SCL materials [Hioxifilcon A (G-5X/p-GMA/HEMA) and Lucifilcon A (silicone-hydrogel)] with four different central thicknesses (0.1, 0.2, 0.3 and 0.4 mm) were fitted in one eye per patient, selected randomly. High and low corrected distance visual acuity (CDVA) and contrast...

  12. The effect of soft contact lens thickness in visual function after intracorneal ring segments surgery

    Carracedo Rodríguez, Juan Gonzalo; Canales Calvo, Javier; González Balboa, Paula; Recchioni, Alberto; Carpena Torres, Carlos; Carballo Álvarez, Jesús
    Objective: To study the influence of soft contact lens (SCL) central thickness and material in keratoconus on visual function after intracorneal ring segment (ICRS) surgery. Methods: A pilot, experimental, prospective, cross-sectional and double-blind study was performed. Fourteen keratoconus patients with age range of 34.75 ± 9.22 years (7 males and 7 females) with ICRS implanted were involved in the study. Two different SCL materials [Hioxifilcon A (G-5X/p-GMA/HEMA) and Lucifilcon A (silicone-hydrogel)] with four different central thicknesses (0.1, 0.2, 0.3 and 0.4 mm) were fitted in one eye per patient, selected randomly. High and low corrected distance visual acuity (CDVA) and contrast...

  13. Documentos epigráficos para el estudio de la Casa de la Diana Arcaizante y de la ínsula VII, 6, Pompeya.

    CALDERÓN SÁNCHEZ, MACARENA
    Este trabajo pretende sacar a la luz la epigrafía (en su mayoría, perdida) de la ínsula VII, 6 de Pompeya, la llamada “cenicienta”, debido a la cantidad de desastres de los que ha sido víctima a lo largo de los siglos. El trabajo se ha organizado en tres partes: 1- Se ha procedido a la lectura de numerosos diarios de excavación de los siglos XVIII, XIX y XX; concretamente, se ha prestado especial atención a las obras de Giuseppe Fiorelli Pompeianarum Antiquitatum Historia (1860) y Descrizione di Pompei (1875), y al diario Notizie di Scavi de Giuseppe Spano (1910). Por supuesto,...

  14. Documentos epigráficos para el estudio de la Casa de la Diana Arcaizante y de la ínsula VII, 6, Pompeya

    Calderón Sánchez, Macarena
    Este trabajo pretende sacar a la luz la epigrafía (en su mayoría, perdida) de la ínsula VII, 6 de Pompeya, la llamada “cenicienta”, debido a la cantidad de desastres de los que ha sido víctima a lo largo de los siglos. El trabajo se ha organizado en tres partes: 1- Se ha procedido a la lectura de numerosos diarios de excavación de los siglos XVIII, XIX y XX; concretamente, se ha prestado especial atención a las obras de Giuseppe Fiorelli Pompeianarum Antiquitatum Historia (1860) y Descrizione di Pompei (1875), y al diario Notizie di Scavi de Giuseppe Spano (1910). Por supuesto,...

  15. Transición Bachilletato – Universidad: valoración de una práctica de modelización

    García Valldecabres, Marta/M
    Este trabajo de investigación es un análisis que valora el Proyecto para un Descubrimiento realizado por 48 estudiantes del Curso de Iniciación Universitaria (CIU) de la Universidad Simón Bolívar durante el curso de matemáticas I (septiembre a diciembre del 2007). La valoración consistió en describir cómo los estudiantes pusieron en práctica un proceso de modelización en matemáticas y unas habilidades de estudio/aprendizaje de matemáticas. Las bases teóricas del análisis son dos, por una parte, la transición de las matemáticas del bachillerato a las universitarias, ya que es el contexto de la experiencia de los estudiantes del CIU, y por otra, la...

  16. Transición Bachilletato – Universidad: valoración de una práctica de modelización

    García Valldecabres, Marta
    Este trabajo de investigación es un análisis que valora el Proyecto para un Descubrimiento realizado por 48 estudiantes del Curso de Iniciación Universitaria (CIU) de la Universidad Simón Bolívar durante el curso de matemáticas I (septiembre a diciembre del 2007). La valoración consistió en describir cómo los estudiantes pusieron en práctica un proceso de modelización en matemáticas y unas habilidades de estudio/aprendizaje de matemáticas. Las bases teóricas del análisis son dos, por una parte, la transición de las matemáticas del bachillerato a las universitarias, ya que es el contexto de la experiencia de los estudiantes del CIU, y por otra,...

  17. Storm and Substorm Causes and Effects at Midlatitude Location for the St. Patrick's 2013 and 2015 Events

    Gerrero, A.; Palacios, J.; Rodríguez Bouza, Marta; Rodríguez Bilbao, I.; Aran, A.; Cid, C.; Herraiz, M.; Saiz, E.; Rodríguez Caderot, Gracia; Cerrato, Y.
    Midlatitude locations are unique regions exposed to both geomagnetic storm and substorm effects, which may be superposed on specific events imposing an extra handicap for the analysis and identification of the sources and triggers. We study space weather effects at the midlatitude location of the Iberian Peninsula for the St. Patrick's day events in 2013 and 2015. We have been able to identify and separate storm and substorm effects on ground magnetometer data from San Pablo-Toledo observatory during storm time revealing important contributions of the Substorm Current Wedge on both events. The analysis of these substorm local signatures have shown...

  18. El ensayo audiovisual como metodología de la crisis. Visitando Mercado de futuros (Mercedes Álvarez, 2010)

    Arquero Blanco, Isabel; Deltell Escolar, Luis
    Nuestro trabajo aborda el tema del ensayo audiovisual, es decir, una reflexión del yo con imágenes y sonidos en movimiento y, a veces, con palabras. Para ello queremos indagar en el funcionamiento primero de la idea de ensayo literario desde sus orígenes en Michel de Montaigne, pero también en lo que han dicho sobre esta forma o género otros teóricos. Después mostraremos cómo esta forma de escritura, de pensamiento y, en suma, esta metodología de investigación abierta y creativa, se ha traspasado al documental cinematográfico y audiovisual y ha devenido en un modelo de construcción. Por último, analizaremos Mercado de...

  19. Tear Film Osmolarity in Response to Long-Term Orthokeratology Treatment

    Nieto Bona, Amelia; Nombela Palomo, María; Felipe Márquez, Gema; Teus Guezala, Miguel Ángel
    Purpose: To compare tear film osmolarity (TFO) measurements in non-contact lens (CL) wearers and wearers of hydrogel or overnight orthokeratology (OK) CLs, and to assess possible effects of long-term OK on TFO. Methods: Overall, 108 subjects with moderate myopia participated in 2 experiments, and TFO was measured using the TearLab osmolarity system. In experiment 1, TFO measurements were made in 77 right eyes of 23 non-CL wearers, 26 hydrogel wearers, and 28 OK wearers. Subjects in the last 2 groups had worn their CL for at least 3 years. In experiment 2, 31 individuals (habitual soft CL wearers) were enrolled for...

  20. Management of Cancer in the Older Age Person: An Approach to ComplexMedical Decisions

    Vallet Regí, María; Manzano García, Miguel; Rodríguez Manas, L.; Checa López, Marta; Aapro, Matti; Balducci, Lodovico
    The management of cancer in older aged people is becoming a common problem due to the aging of the population. There are many variables determining the complex situation that are interconnected. Some of them can be assessed, such as risk of mortality and risk of treatment complications, but many others are still unknown, such as the course of disease, the host-related factors that influence cancer aggressiveness, and the phenotype heralding risk of permanent treatment-related damage. This article presents a dynamic and personalized approach to older people with cancer based on our experience on aging, cancer, and their biological interactions. Also, novel treatments...

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