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Showing 1 to 12 of 52 entries
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Genetic Algorithms for Digital Quantum Simulations.

Physical review letters

Las Heras U, Alvarez-Rodriguez U, Solano E, Sanz M.
PMID: 27341220
Phys Rev Lett. 2016 Jun 10;116(23):230504. doi: 10.1103/PhysRevLett.116.230504. Epub 2016 Jun 09.

We propose genetic algorithms, which are robust optimization techniques inspired by natural selection, to enhance the versatility of digital quantum simulations. In this sense, we show that genetic algorithms can be employed to increase the fidelity and optimize the...

Laser-induced breakdown spectroscopy for quantitative spectrochemical analysis of geological materials: effects of the matrix and simultaneous determination.

Analytica chimica acta

Anzano JM, Villoria MA, Ruíz-Medina A, Lasheras RJ.
PMID: 17723596
Anal Chim Acta. 2006 Aug 11;575(2):230-5. doi: 10.1016/j.aca.2006.05.077. Epub 2006 Jun 02.

A microscopic laser-induced breakdown spectrometer was used to evaluate the analytical matrix effect commonly observed in the analysis of geological materials. Samples were analyzed in either the powder or pressed pellet forms. Calibration curves of a number of iron...

WDM bi-directional transmission over 35 km amplified fiber-optic bus network using Raman amplification for optical sensors.

Optics express

Diaz S, Lasheras G, Lopez-Amo M.
PMID: 19503172
Opt Express. 2005 Nov 28;13(24):9666-71. doi: 10.1364/opex.13.009666.

We demonstrate a novel distributed fiber Raman amplified bus topology used for WDM transmission over 35 km of single-mode fiber by use of a multiwavelength Raman pump laser and eight Fiber Bragg gratings (FBGs). This topology reduces the number...

An Oscillatory Contractile Pole-Force Component Dominates the Traction Forces Exerted by Migrating Amoeboid Cells.

Cellular and molecular bioengineering

Alonso-Latorre B, Del Álamo JC, Meili R, Firtel RA, Lasheras JC.
PMID: 22207880
Cell Mol Bioeng. 2011 Dec;4(4):603-615. doi: 10.1007/s12195-011-0184-9. Epub 2011 Jun 29.

We used principal component analysis to dissect the mechanics of chemotaxis of amoeboid cells into a reduced set of dominant components of cellular traction forces and shape changes. The dominant traction force component in wild-type cells accounted for ~40%...

Finite-time quantum entanglement in propagating squeezed microwaves.

Scientific reports

Fedorov KG, Pogorzalek S, Las Heras U, Sanz M, Yard P, Eder P, Fischer M, Goetz J, Xie E, Inomata K, Nakamura Y, Di Candia R, Solano E, Marx A, Deppe F, Gross R.
PMID: 29686396
Sci Rep. 2018 Apr 23;8(1):6416. doi: 10.1038/s41598-018-24742-z.

Two-mode squeezing is a fascinating example of quantum entanglement manifested in cross-correlations of non-commuting observables between two subsystems. At the same time, these subsystems themselves may contain no quantum signatures in their self-correlations. These properties make two-mode squeezed (TMS)...

A Six-Fold Symmetric Metamaterial Absorber.

Materials (Basel, Switzerland)

Fernández Álvarez H, de Cos Gómez ME, Las-Heras F.
PMID: 28788019
Materials (Basel). 2015 Apr 03;8(4):1590-1603. doi: 10.3390/ma8041590.

A novel microwave metamaterial absorber design is introduced along with its manufacturing and characterization. Significant results considering both bandwidth and angular stability are achieved. Parametric analysis and simplified equivalent circuit are provided to give an insight on the key...

What happens to the management and clinical outcomes of non-COVID patients during the pandemic?.

Journal of wound care

Gemelli NA, Huespe IA, Marco A, Prado E, Bisso IC, Coria P, Román ES, Las Heras MJ.
PMID: 33856913
J Wound Care. 2021 Apr 02;30(4):258-259. doi: 10.12968/jowc.2021.30.4.258.

No abstract available.

COVID-19 Severity Index: A predictive score for hospitalized patients.

Medicina intensiva

Huespe I, Carboni Bisso I, Di Stefano S, Terrasa S, Gemelli NA, Las Heras M, Rupp LJ, Taylor V.
PMID: 34896032
Med Intensiva (Engl Ed). 2021 Nov 30; doi: 10.1016/j.medine.2020.12.002. Epub 2021 Nov 30.

No abstract available.

Effects of enriched-potassium diet on cardiorespiratory outcomes in experimental non-ischemic chronic heart failure.

Biological research

Schwarz KG, Pereyra KV, Toledo C, Andrade DC, Díaz HS, Díaz-Jara E, Ortolani D, Rios-Gallardo A, Arias P, Las Heras A, Vera I, Ortiz FC, Inestrosa NC, Vio CP, Del Rio R.
PMID: 34952651
Biol Res. 2021 Dec 24;54(1):43. doi: 10.1186/s40659-021-00365-z.

BACKGROUND: Chronic heart failure (CHF) is a global health problem. Increased sympathetic outflow, cardiac arrhythmogenesis and irregular breathing patterns have all been associated with poor outcomes in CHF. Several studies showed that activation of the renin-angiotensin system (RAS) play...

COVID-19 Severity Index: A predictive score for hospitalized patients.

Medicina intensiva

Huespe I, Carboni Bisso I, Di Stefano S, Terrasa S, Gemelli NA, Las Heras M.
PMID: 34896032
Med Intensiva (Engl Ed). 2021 Nov 30; doi: 10.1016/j.medine.2020.12.002. Epub 2021 Nov 30.

No abstract available.

A Thin C-Band Polarization and Incidence Angle-Insensitive Metamaterial Perfect Absorber.

Materials (Basel, Switzerland)

Fernández Álvarez H, de Cos Gómez ME, Las-Heras F.
PMID: 28788024
Materials (Basel). 2015 Apr 13;8(4):1666-1681. doi: 10.3390/ma8041666.

A novel metamaterial absorber design able to operate in the C frequency band is presented, along with an analysis and a method to improve both its bandwidth and its angular stability. Simulation results for a FR4-based design are shown...

Multiview three-dimensional reconstruction by millimetre-wave portable camera.

Scientific reports

Laviada J, Arboleya-Arboleya A, Álvarez Y, González-Valdés B, Las-Heras F.
PMID: 28743908
Sci Rep. 2017 Jul 25;7(1):6479. doi: 10.1038/s41598-017-06475-7.

Millimetre-wave imaging is a powerful non-destructive inspection technique which has become widely used in areas such as through-the-wall imaging or concealed weapon detection. Nevertheless, current systems are usually limited to either a single view point providing a limited 3D...

Showing 1 to 12 of 52 entries