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Now showing items 938-957 of 978
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Understanding Multicellularity: The Functional Organization of the Intercellular Space
(Frontiers Media, 2019-09-18)The aim of this paper is to provide a theoretical framework to understand how multicellular systems realize functionally integrated physiological entities by organizing their intercellular space. From a perspective centered ... -
Understanding risks in the light of uncertainty: low-probability, high-impact coastal events in cities
(Environmental Research Letters, 2017-01-17)A quantification of present and future mean annual losses due to extreme coastal events can be crucial for adequate decision making on adaptation to climate change in coastal areas around the globe. However, this approach ... -
Unexpected structural properties in the saturation region of the odd-even effects in aliphatic polyethers: Influence of crystallization conditions
; ; ; ; ; ; ; Müller Sánchez, Alejandro Jesús
(ACS, 2022-01-04)
A series of aliphatic polyethers with different chain lengths (nCH2= 6 to 12, and 16) is studied employing differential scanning calorimetry and X-rays scattering. The calorimetric and structural behavior of samples ... -
Unexpected Synthesis of Segmented Poly(hydroxyurea−urethane)s from Dicyclic Carbonates and Diamines by Organocatalysis
Bossion, Amaury; Hernández Aguirresarobe, Roberto; ; Taton, Daniel; Cramail, Henri; Grau, Etienne; ; Su, Cui; Liu, Guoming; Müller Sánchez, Alejandro Jesús; (ACS, 2018-07-17)
A complete study of the effect of different organocatalysts on the step-growth polyaddition of a five-membered dicyclic carbonate, namely diglycerol dicarbonate, with a poly(ethylene glycol)-based diamine in bulk at 120 ... -
Unexplained hydrogen isotope offsets complicate the identification and quantification of tree water sources in a riparian forest
(EGU Publications, 2019)We investigated plant water sources of an emblematic refugial population of Fagus sylvatica (L.) in the Ciron river gorges in south-western France using stable water isotopes. It is generally assumed that no isotopic ... -
Uniaxial and Mixed Orientations of Poly(ethylene oxide) in Nanoporous Alumina Studied by X-ray Pole Figure Analysis
Su, Cui; Shi, Guangyu; Li, Xiaolu; Zhang, Xiuqin; Müller Sánchez, Alejandro Jesús; Wang, Dujin; Liu, Guoming (American Chemical Society, 2018-11-16)
The orientation of polymers under confinement is a basic, yet not fully understood phenomenon. In this work, the texture of poly(ethylene oxide) (PEO) infiltrated in nanoporous anodic alumina oxide (AAO) templates was ... -
Uniqueness for solutions of the Schrödinger equation on trees
Fernández Bertolin, Aingeru; Jaming, Philippe (Fondazione Annali di Matematica Pura ed Applicata and Springer Nature, 2019-08-30)
We prove that if a solution of the time-dependent Schrödinger equation on an homogeneous tree with bounded potential decays fast at two distinct times then the solution is trivial. For the free Schrödinger operator, we use ... -
Unparalleled selectivity and electronic structure of heterometallic [LnLn′Ln] molecules as 3-qubit quantum gates
(Royal Society of Chemistry, 2022)[EN] Heterometallic lanthanide [LnLn'] coordination complexes that are accessible thermodynamically are very scarce because the metals of this series have very similar chemical behaviour. Trinuclear systems of this category ... -
Unprecedented Multicomponent Organocatalytic Synthesis of Propargylic Esters via CO2 Activation
(Wiley‐VCH, 2019-02-19)An efficient and straightforward organocatalytic method for the direct, multicomponent carboxylation of terminal alkynes with CO2 and organochlorides, towards propargylic esters, is reported for the first time. ... -
Unraveling Sugar Binding Modes to DC-SIGN by Employing Fluorinated Carbohydrates
Martínez, José Daniel; Valverde, Pablo; Delgado, Sandra; Romanó, Cecilia; Linclau, Bruno; Reichardt, Niels Christian; Oscarson, Stefan; Ardá, Ana; Jiménez Barbero, Jesús ; Cañada Vicinay, Francisco Javier (MDPI, 2019-06-25)
A fluorine nuclear magnetic resonance (F-19-NMR)-based method is employed to assess the binding preferences and interaction details of a library of synthetic fluorinated monosaccharides towards dendritic cell-specific ... -
Unravelling the Intertwined Atomic and Bulk Nature of Localised Excitons by Attosecond Spectroscopy
(Springer, 2021-02-15)The electro-optical properties of most semiconductors and insulators of technological interest are dominated by the presence of electron-hole quasi-particles, called excitons. The manipulation of excitons in dielectrics ... -
Unravelling the Time Scale of Conformational Plasticity and Allostery in Glycan Recognition by Human Galectin-1
Bertuzzi, Sara; Gimeno, Ana; Núñez Franco, Reyes; Bernardo Seisdedos, Ganeko; Delgado, Sandra; Jiménez Oses, Gonzalo; Millet Aguilar-Galindo, Oscar; Jiménez Barbero, Jesús; Ardá, Ana (Wiley, 2020-12-01)
The interaction of human galectin-1 with a variety of oligosaccharides, from di-(N-acetyllactosamine) to tetra-saccharides (blood B type-II antigen) has been scrutinized by using a combined approach of different NMR ... -
Update of inclusive cross sections of single and pairs of identified light charged hadrons
(American Physical Society, 2020-05-13)We report new measurements of the production cross sections of pairs of charged pions and kaons as a function of their fractional energies using various fractional-energy definitions. Two different fractional-energy ... -
Urban Energy Transitions in Europe, towards Low-Socio-Environmental Impact Cities
Azurza Zubizarreta, Olatz; Basurko Pérez de Arenaza, Izaro; Zelarain Etxeberria, Eñaut; Villamor Lomas, Estitxu; ; Villena Camarero, Unai ; Campos Celador, Alvaro ; (MDPI, 2021-10-21)
Achieving the ambitious targets set by Europe in its 2050 roadmap, moving away from fossil fuels towards renewable energy sources, while reducing carbon emissions, will require a radical change in Europe’s energy system. ... -
Urban environment and cognitive and motor function in children from four European birth cohorts
Binter, Anne-Claire; Bernard, Jonathan Y.; Mon-Williams, Mark; Andiarena Villaverde, Ainara; González Safont, Llucía; Vafeiadi, Marina; Lepeule, Johanna; Soler Blasco, Raquel; Alonso, Lucía; Kampouri, Mariza; Mceachan, Rosie; Santa Marina, Loreto; Wright, John; Chatzi, Leda; Sunyer, Jordi; Philippat, Claire; Nieuwenhuijsen, Mark; Vrijheid, Martine; Guxens, Mónica (Elsevier, 2022-01)
[EN]Background: The urban environment may influence neurodevelopment from conception onwards, but there is no evaluation of the impact of multiple groups of exposures simultaneously. We investigated the association between ... -
Urban green space: creating a triple win for environmental sustainability, health, and health equity through behavior change
(MDPI, 2019)Urbanization, costs of green space maintenance, and diminishing connection between people and nature all exert pressures on urban green space. This is regrettable as green space has the potential to create wins for ... -
User-Aware Dialogue Management Policies over Attributed Bi-Automata
Serras Sáenz, Manex; Torres Barañano, María Inés; Del Pozo, Arantza (Springer, 2018-07-30)
Designing dialogue policies that take user behavior into account is complicated due to user vari- ability and behavioral uncertainty. Attributed Prob- abilistic Finite State Bi-Automata (A-PFSBA) have proven to be a promising ... -
Using Successive Self-nucleation and Annealing (SSA) to detect the solid-solid transitions in poly (hexamethylene carbonate) and poly (octamethylene carbonate)
; ; ; ; ; Müller Sánchez, Alejandro Jesús; (ACS, 2021-10-26)
Solid-solid transitions in poly (hexamethylene carbonate) (PC6) and poly (octamethylene carbonate) (PC8), denoted δ to α transition, have been investigated, using self-nucleation and Successive Self-nucleation and Annealing ... -
Using Y-chromosome capture enrichment to resolve haplogroup H2 shows new evidence for a two-path Neolithic expansion to Western Europe
Rohrlach, Adam B.; Papac, Luka; Childebayeva, Ainash; Rivollat, Maite; Villalba Mouco, Vanessa; Neumann, Gunnar U.; Penske, Sandra; Skourtanioti, Eirini; Van de Loosdrecht, Marieke; Akar, Murat; Boyadzhiev, Kamen; Boyadzhiev, Yavor; Deguilloux, Marie France; Dobes, Miroslav; Erdal, Yilmaz S.; Ernee, Michal; Frangipane, Marcella; Furmanek, Miroslaw; Friederich, Susanne; Ghesquiere, Emmanuel; Haluszko, Agata; Hansen, Svend; Mario Küßner; Mannino, Marcello; Özbal, Rana; Reinhold, Sabine; Rottier, Stéphane; Salazar García, Domingo Carlos; Soler Díaz, Jorge; Stockhammer, Philipp W.; Roca de Togores Muñoz, Consuelo; Yener, K. Aslihan; Posth, Cosimo; Krause, Johannes; Herbig, Alexander; Haak, Wolfgang (Nature, 2021-07-22)
Uniparentally-inherited markers on mitochondrial DNA (mtDNA) and the non-recombining regions of the Y chromosome (NRY), have been used for the past 30years to investigate the history of humans from a maternal and paternal ... -
UV-cross-linked poly(ethylene oxide carbonate) as free standing solid polymer electrolyte for lithium batteries
(Elsevier, 2019-04-10)Aliphatic polycarbonates have emerged as promising polymer electrolytes due to their combination of moderate ionic conductivity and high lithium transference numbers. However, the mechanical properties of the aliphatic ...