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8 p, 2.5 MB |
Hyperpolarization-Enhanced NMR Spectroscopy of Unaltered Biofluids Using Photo-CIDNP
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Kuhn, Lars T. (Albert-Ludwigs-Universität Freiburg. Institut für Physikalische Chemie) ;
Weber, Stefan (Albert-Ludwigs-Universität Freiburg. Institut für Physikalische Chemie) ;
Bargon, Joachim (Rheinische Friedrich-Wilhelms-Universität Bonn. Institut für Physikalische und Theoretische Chemie) ;
Parella Coll, Teodor (Universitat Autònoma de Barcelona. Servei de Ressonància Magnètica Nuclear) ;
Pérez-Trujillo, Míriam (Universitat Autònoma de Barcelona. Servei de Ressonància Magnètica Nuclear)
The direct and unambiguous detection and identification of individual metabolite molecules present in complex biological mixtures constitute a major challenge in (bio)analytical research. In this context, nuclear magnetic resonance (NMR) spectroscopy has proven to be particularly powerful owing to its ability to provide both qualitative and quantitative atomic-level information on multiple analytes simultaneously in a noninvasive manner. [...]
2024 -  10.1021/acs.analchem.3c03215
Analytical chemistry, Vol. 96, Issue 1 (September 2024) , p. 102-109
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2.
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3.
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11 p, 2.7 MB |
Connecting the microscopic depolarizing origin of samples with macroscopic measures of the Indices of Polarimetric Purity
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Canabal-Carbia, Mónica (Universitat Autònoma de Barcelona. Departament de Física) ;
Estévez, Irene (Universitat Autònoma de Barcelona. Departament de Física) ;
Nabadda, Esther (Universidad Miguel Hernández de Elche. Instituto de Bioingeniería) ;
Garcia-Caurel, Enrique (Institut Polytechnique de Paris) ;
Gil Pérez, José Jorge (Universidad de Zaragoza. Departamento de Física Aplicada) ;
Ossikovski, Razvigor (Institut Polytechnique de Paris) ;
Márquez Ruiz, Andrés (Universitat d'Alacant. Departament de Física, Enginyeria de Sistemes i Teoria de la Senyal) ;
Moreno, Ignacio (Universidad Miguel Hernández de Elche. Instituto de Bioingeniería) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física)
In this work we show how a specific set of three depolarizing observables, the Indices of Polarimetric Purity (IPP), P1, P2 and P3, are ideal metrics to study the depolarization characteristic of media. [...]
2024 - 10.1016/j.optlaseng.2023.107830
Optics and Lasers in Engineering, Vol. 172 (January 2024) , art. 107830
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4.
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8 p, 3.0 MB |
Artificial Graphene Spin Polarized Electrode for Magnetic Tunnel Junctions
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Zatko, Victor (Université Paris-Saclay) ;
Galceran, Regina (Institut Català de Nanociència i Nanotecnologia) ;
Galbiati, Marta (Université Paris-Saclay) ;
Peiro, Julian (Université Paris-Saclay) ;
Godel, Florian (Université Paris-Saclay) ;
Kern, Lisa-Marie (Université Paris-Saclay) ;
Perconte, David (Université Paris-Saclay) ;
Ibrahim, Fatima (Université Grenoble Alpes) ;
Hallal, Ali (Université Grenoble Alpes) ;
Chshiev, Mairbek (Institut Universitaire de France) ;
Martínez, Benjamín (Institut de Ciència de Materials de Barcelona) ;
Frontera, Carlos (Institut de Ciència de Materials de Barcelona) ;
Balcells Argemí, Lluís (Institut de Ciència de Materials de Barcelona) ;
Kidambi, Piran R. (Vanderbilt University) ;
Robertson, John (University of Cambridge) ;
Hofmann, Stephan (University of Cambridge) ;
Collin, Sophie (Université Paris-Saclay) ;
Petroff, Frédéric (Université Paris-Saclay) ;
Martin, Marie-Blandine (Université Paris-Saclay) ;
Dlubak, Bruno (Université Paris-Saclay) ;
Seneor, Pierre (Université Paris-Saclay)
2D materials offer the ability to expose their electronic structure to manipulations by a proximity effect. This could be harnessed to craft properties of 2D interfaces and van der Waals heterostructures in devices and quantum materials. [...]
2023 - 10.1021/acs.nanolett.2c03113
Nano letters, Vol. 23, Issue 1 (January 2023) , p. 34-41
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12 p, 2.6 MB |
Ideological identity, issue-based ideology and bipolar affective polarization in multiparty systems : the cases of Argentina, Chile, Italy, Portugal and Spain
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Comellas Bonsfills, Josep Maria (Universitat Autònoma de Barcelona. Institut de Govern i Polítiques Públiques) ;
Torcal, Mariano (Universitat Pompeu Fabra)
In multiparty contexts, we know that affective polarization tends to cluster in ideological blocs, although the factors driving this process are still quite unexplored. In this paper, we contribute to filling this gap in the literature by exploring the capacity of ideological identity vis-à-vis issue-based ideology to polarize sentiments towards party voters into two opposing left-right blocs. [...]
2023 - 10.1016/j.electstud.2023.102615
Electoral Studies, Vol. 83 (2023) ,
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16 p, 281.6 KB |
Bringing critical social psychology to the study of political polarization
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Balinhas, Daniel (Universitat Autònoma de Barcelona. Departament de Ciència Política i de Dret Públic)
The study of political polarization, in both its ideological and its affective expressions, has garnered significantly more interest over the last years. But despite recent research on the conceptualization, measurement, causes, and consequences of this socio-political phenomenon, and some tentative interventions to mitigate it, relevant new avenues remain surprisingly underdeveloped. [...]
2023 - 10.1111/spc3.12721
Social and Personality Psychology Compass, Vol. 17 Núm. 1 (2023)
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7 p, 1.1 MB |
Giant valley-polarized spin splittings in magnetized Janus Pt dichalcogenides
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Sattar, Shahid (Linnaeus University. Department of Physics and Electrical Engineering) ;
Larsson, J. Andreas (Luleå University of Technology. Department of Engineering Sciences and Mathematics) ;
Canali, C.M. (Linnaeus University. Department of Physics and Electrical Engineering) ;
Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ;
Garcia, José H. (Institut Català de Nanociència i Nanotecnologia)
We reveal giant proximity-induced magnetism and valley-polarization effects in Janus Pt dichalcogenides (such as SPtSe), when bound to the europium oxide (EuO) substrate. Using first-principles simulations, it is surprisingly found that the charge redistribution, resulting from proximity with EuO, leads to the formation of two K and K' valleys in the conduction bands. [...]
2022 - 10.1103/PhysRevB.105.L041402
Physical review B, Vol. 105, issue 4 (Jan. 2022) , art. A100
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9.
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9 p, 750.9 KB |
Low-symmetry topological materials for large charge-to-spin interconversion : the case of transition metal dichalcogenide monolayers
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Vila Tusell, Marc (Universitat Autònoma de Barcelona. Departament de Física) ;
Hsu, Chuang-Han (National University of Singapore. Department of Electrical and Computer Engineering) ;
Garcia, José H. (Institut Català de Nanociència i Nanotecnologia) ;
Benítez, L. Antonio (Institut Català de Nanociència i Nanotecnologia) ;
Waintal, Xavier (Université Grenoble Alpes. Commissariat à l'énergie atomique et aux énergies alternatives) ;
Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia) ;
Pereira, Víctor M. (National University of Singapore. Centre for Advanced 2D Materials and Graphene Research Centre) ;
Roche, Stephan (Institut Català de Nanociència i Nanotecnologia)
The spin polarization induced by the spin Hall effect (SHE) in thin films typically points out of the plane. This is rooted on the specific symmetries of traditionally studied systems, not in a fundamental constraint. [...]
2021 - 10.1103/PhysRevResearch.3.043230
Physical Review Research, Vol. 3, issue 4 (Dec. 2021) , art. 43230
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10.
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15 p, 4.8 MB |
Antibody cooperative adsorption onto AuNPs and its exploitation to force natural killer cells to kill HIV-infected T cells
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Astorga-Gamaza, Antonio (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Vitali, Michele (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Borrajo, Mireya L. (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Suárez-López, Rosa (Universitat Autònoma de Barcelona. Departament de Química) ;
Jaime Cardiel, Carlos (Universitat Autònoma de Barcelona. Departament de Química) ;
Bastús, Neus G. (Institut Català de Nanociència i Nanotecnologia) ;
Serra-Peinado, Carla (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Luque-Ballesteros, Laura (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Blanch-Lombarte, Oscar (Institut Germans Trias i Pujol) ;
Prado, Julia G. (Institut Germans Trias i Pujol) ;
Lorente, Juan (Hospital Universitari Vall d'Hebron) ;
Pumarola, Felix (Hospital Universitari Vall d'Hebron) ;
Pellicer, Marc (Hospital Universitari Vall d'Hebron) ;
Falcó, Vicenç (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Genescà Ferrer, Meritxell (Hospital Universitari Vall d'Hebron. Institut de Recerca) ;
Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia) ;
Buzón, Maria José (Hospital Universitari Vall d'Hebron. Institut de Recerca)
HIV represents a persistent infection which negatively alters the immune system. New tools to reinvigorate different immune cell populations to impact HIV are needed. Herein, a novel nanotool for the specific enhancement of the natural killer (NK) immune response towards HIV-infected T-cells has been developed. [...]
2021 - 10.1016/j.nantod.2020.101056
Nano Today, Vol. 36 (Feb. 2021) , art. 101056
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