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Listar por Patrocinador "Institució Catalana de Recerca i Estudis Avançats"

Mostrando ítems 1-18 de 18

A Temperature-Jump Optical Trap for Single-Molecule Manipulation

de Lorenzo, S.; Ribezzi-Crivellari, M.; Arias-Gonzalez, J. R.; Smith, S.B.; Ritort, F. (Elsevier, 2015-06-16)

[EN] To our knowledge, we have developed a novel temperature-jump optical tweezers setup that changes the temperature locally and rapidly. It uses a heating laser with a wavelength that is highly absorbed by water so it ...
Automated design of balanced wideband bandpass filters based on mirrored stepped impedance resonators (SIRs) and interdigital capacitors

Sans, Marc; Selga, Jordi; Vélez, París; Rodriguez Perez, Ana Maria; Bonache, Jordi; Boria Esbert, Vicente Enrique; Martin, Ferran (Cambridge University Press (CUP), 2016-06)

This paper presents small balanced bandpass filters exhibiting wide differential-mode pass bands and high common-mode suppression. The filters are implemented in microstrip technology and their topology consists of ...
Automated design of bandpass filters based on open complementary split ring resonators (OCSRRs) using aggressive space mapping (ASM) optimization

Rodríguez Pérez, Ana María; Selga, Jordi; Sans, Marc; Martin, Ferran; Boria Esbert, Vicente Enrique (John Wiley & Sons, 2017-08)

[EN] This paper is focused on the design of bandpass filters based on open complementary split ring resonators (OCSRRs) in microstrip technology. The filters are obtained by coupling the corresponding shunt resonators ...
Automated Design of Common-Mode Suppressed Balanced Wideband Bandpass Filters by Means of Aggressive Space Mapping

Sans, M.; Selga, J.; Velez, P.; Rodriguez Perez, Ana Maria; Bonache Albacete, Jordi; Boria Esbert, Vicente Enrique; Martin, Ferran (Institute of Electrical and Electronics Engineers (IEEE), 2015-12)

The automated and unattended design of balanced microstrip wideband bandpass filters by means of aggressive space mapping (ASM) optimization is reported in this paper. The proposed filters are based on multisection mirrored ...
Automated synthesis of transmission lines loaded with complementary split ring resonators (CSRRs) and open complementary split ring resonators (OCSRRs) through aggressive space mapping (ASM)

Selga, Jordi; Rodríguez Pérez, Ana María; Orellana, Marco; Boria Esbert, Vicente Enrique; Martín, Ferran (Springer Verlag, 2014-11)

This paper is focused on the application of space mapping optimization to the automated synthesis of transmission lines loaded with complementary split ring resonators (CSRRs) and open complementary split ring resonators ...
Compact Wideband Balanced Bandpass Filters With Very Broad Common-Mode and Differential-Mode Stopbands

Sans, Marc; Selga, Jordi; Vélez, París; Bonache, J.; Rodríguez Pérez, Ana María; Boria Esbert, Vicente Enrique; Martin Antonlin, Ferran (Institute of Electrical and Electronics Engineers, 2018)

[EN] Compact balanced bandpass filters based on a combination of multisection mirrored stepped-impedance resonators and interdigital capacitors are presented in this paper. The considered filter topology is useful to achieve ...
Design of Capacitively Loaded Coupled-Line Bandpass Filters With Compact Size and Spurious Suppression

Orellana, Marco; Selga, Jordi; Vélez, París; Sans, Marc; Rodríguez Pérez, Ana María; Bonache, Jordi; Boria Esbert, Vicente Enrique; Martin, Ferran (Institute of Electrical and Electronics Engineers, 2017-01-05)

[EN] This paper is focused on the synthesis of capacitively loaded coupled lines for the design of bandpass filters with compact size and spurious suppression. The filters consist of cascaded pairs of coupled lines ...
Design of planar wideband bandpass filters from specifications using a two-step aggressive space mapping (ASM) optimization algorithm

Sans, Marc; Selga, Jordi; Rodríguez Pérez, Ana María; Bonache, Jordi; Boria Esbert, Vicente Enrique; Martín, Ferran (Institute of Electrical and Electronics Engineers (IEEE), 2014-12)

This paper is focused on the automated and unattended optimization of a type of planar wideband bandpass filters by means of aggressive space mapping (ASM). The considered filters are microstrip filters implemented through ...
Egocentric video description based on temporally-linked sequences

Bolaños, Marc; Peris-Abril, Álvaro; Casacuberta Nolla, Francisco; Soler, Sergi; Radeva, Petia (Elsevier, 2018-01)

[EN] Egocentric vision consists in acquiring images along the day from a first person point-of-view using wearable cameras. The automatic analysis of this information allows to discover daily patterns for improving the ...
Facilitated Anion Transport Induces Hyperpolarization of the Cell Membrane That Triggers Differentiation and Cell Death in Cancer Stem Cells

Soto-Cerrato, Vanessa; Manuel-Manresa, Pilar; Hernando, Elsa; Calabuig-Farinas, Silvia; Martinez-Romero, Alicia; Fernandez-Dueñas, Victor; Sahlholm, Kristoffer; Knoepfel, Thomas; Garcia-Valverde, Maria; Rodilla, Ananda M.; Jantus Lewintre, Eloisa; Farras, Rosa; Ciruela, Francisco; Perez-Tomas, Ricardo; Quesada, Roberto (American Chemical Society, 2015-12)

Facilitated anion transport potentially represents a powerful tool to modulate various cellular functions. However, research into the biological effects of small molecule anionophores is still at an early stage. Here we ...
Nanorings and rods interconnected by self-assembly mimicking an artificial network of neurons

Escarcega-Bobadilla, Martha V.; Zelada-Guillen, Gustavo A.; Pyrlin, Sergey V.; Wegrzyn, Marcin; Ramos, Marta M. D.; Giménez Torres, Enrique; Stewart, Andrew; Maier, Gerhard; Kleij, Arjan W. (Nature Publishing Group: Nature Communications, 2013-11)

[EN] Molecular electronics based on structures ordered as neural networks emerges as the next evolutionary milestone in the construction of nanodevices with unprecedented applications. However, the straightforward formation ...
Octahedral Molybdenum Iodide Clusters Supported on Graphene for Resistive and Optical Gas Sensing

Casanova-Chafer, Juan; García-Aboal, Rocío; Atienzar Corvillo, Pedro Enrique; Feliz Rodriguez, Marta; Llobet, Eduard (American Chemical Society, 2022-12-28)

[EN] This paper reports for the first time a gas-sensitive nanohybrid based on octahedral molybdenum iodide clusters supported on graphene flakes (Mo-6@Graphene). The possibility of integrating this material into two ...
Potassium starvation in yeast: mechanisms of homeostasis revealed by mathematical modeling

Kahm, Matthias; Navarrete, Clara; Llopis Torregrosa, Vicent; Herrera, Rito; Barreto, Lina; Yenush, Lynne; Ariño, Joaquin; Ramos, Jose; Kschischo, Maik (Public Library of Science, 2012-06)

The intrinsic ability of cells to adapt to a wide range of environmental conditions is a fundamental process required for survival. Potassium is the most abundant cation in living cells and is required for essential cellular ...
Sir2 histone deacetylase prevents programmed cell death caused by sustained activation of the Hog1 stress-activated protein kinase

Vendrell, Alexandre; Martínez Pastor, María Mar; González-Novo, Alberto; Pascual-Ahuir Giner, María Desamparados; Sinclair, David A.; Proft, Markus; Posas, Francesc (EMBO Press, 2011)

[EN] Exposure of yeast to high osmolarity induces a transient activation of the Hog1 stress-activated protein kinase (SAPK), which is required for cell survival under these conditions. However, sustained activation of ...
Synthesis of slow-wave structures based on capacitive-loaded lines through aggressive space mapping (ASM)

Orellana, M.; Selga, J.; Sans, M.; Rodriguez Perez, Ana Maria; Boria Esbert, Vicente Enrique; Martín Antolín, Juan Fernando (Wiley, 2015-09)

This article is focused on the automated synthesis of slow-wave structures based on microstrip lines loaded with patch capacitors. Thanks to the presence of the shunt capacitors, the effective capacitance of the line is ...
The 2017 Land Use/Land Cover Map of Catalonia based on Sentinel-2 images and auxiliary data

González-Guerrero, O.; Pons, X. (Universitat Politècnica de València, 2020-06-23)

[EN] This paper details the process of generating the 2017 Land Use/Land Cover Map of Catalonia (MUCSC) using automatic classification of satellite imagery and auxiliary cartographic and remote sensing data. A total of 60 ...
Toxicological Profiling and Long-Term Effects of Bare, PEGylated- and Galacto-Oligosaccharide-Functionalized Mesoporous Silica Nanoparticles

Barguilla, Irene; Candela-Noguera, Vicente; Oliver, Patrick; Annangi, Balasubramanyan; Diez-Sánchez, Paula; Aznar, Elena; Martínez-Máñez, Ramón; Marcos, R.; Hernández, A.; Marcos Martínez, María Dolores (MDPI AG, 2023-11)

[EN] Mesoporous silica nanoparticles (MSNs) are amongst the most used nanoparticles in biomedicine. However, the potentially toxic effects of MSNs have not yet been fully evaluated, being a controversial matter in research. ...
Unraveling the Gas-Sensing Mechanisms of Lead-Free Perovskites Supported on Graphene

Casanova-Chafer, Juan; García-Aboal, Rocío; Atienzar Corvillo, Pedro Enrique; Llobet, Eduard (American Chemical Society, 2022-12-23)

[EN] Lead halide perovskites have been attracting great attention due to their outstanding properties and have been utilized for a wide variety of applications. However, the high toxicity of lead promotes an urgent and ...