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Showing 1 to 12 of 146 entries
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Chronic and integrated care in Catalonia.

International journal of integrated care

Contel JC, Ledesma A, Blay C, Mestre AG, Cabezas C, Puigdollers M, Zara C, Amil P, Sarquella E, Constante C.
PMID: 26150763
Int J Integr Care. 2015 Jun 29;15:e025. doi: 10.5334/ijic.2205. eCollection 2015.

INTRODUCTION: The Chronicity Prevention and Care Programme set up by the Health Plan for Catalonia 2011-2015 has been an outstanding and excellent opportunity to create a new integrated care model in Catalonia. People with chronic conditions require major changes...

[Biographic sketch of Ignaz Semmelweis].

La Semana medica

LEDESMA DA.
PMID: 13529142
Sem Med. 1957 Dec 05;111(23):1158-61.

No abstract available.

Gray-level computer-generated hologram filters for multiple-object correlation.

Applied optics

Iemmi C, Ledesma S, Campos J, Villarreal M.
PMID: 18338006
Appl Opt. 2000 Mar 10;39(8):1233-40. doi: 10.1364/ao.39.001233.

Synthesis of gray-level computer-generated holograms allows for an increase of the information storage capability that is usually achieved with conventional binary filters. This is mainly because more degrees of freedom are available. We propose to profit from this feature...

Amplitude Apodizers Encoded onto Fresnel Lenses Implemented on a Phase-Only Spatial Light Modulator.

Applied optics

Márquez A, Iemmi C, Escalera JC, Campos J, Ledesma S, Davis JA, Yzuel MJ.
PMID: 18357241
Appl Opt. 2001 May 10;40(14):2316-22. doi: 10.1364/ao.40.002316.

We show that both a lens and a nonuniform amplitude transmission filter can be encoded simultaneously onto a twisted nematic liquid-crystal spatial light modulator (SLM) working in the phase-only mode. The inherent equivalent apodization that is due to the...

Multiphase homodyne interferometry: analysis of some error sources.

Applied optics

Greco V, Iemmi C, Ledesma S, Molesini G, Quercioli F.
PMID: 21037768
Appl Opt. 1995 May 01;34(13):2207-13. doi: 10.1364/AO.34.002207.

Some sources of error with multiphase homodyne interferometry are reviewed. A major advantage over the classic two-channel approach is that the inaccuracies that originate from laser-power fluctuations and drifts are shown to be automatically compensated for by proper adjustment...

Three-channel Homodyne Interferometer.

Applied optics

Greco V, Iemmi C, Ledesma S, Molesini G, Quercioli F.
PMID: 20963037
Appl Opt. 1994 Dec 01;33(34):8115-6. doi: 10.1364/AO.33.008115.

A three-channel homodyne interferometer based on a structured delay plate is described. Detection and data acquisition are performed with standard optoelectronics in a PC environment. The device, which is used as a displacement sensor, features sub-nanometric sensitivity.

Improving pressure robustness, reliability, and versatility of solenoid-pump flow systems using a miniature economic control unit including two simple pressure pulse mathematical models.

Analytical chemistry

Horstkotte B, Ledesma E, Duarte CM, Cerdà V.
PMID: 20704388
Anal Chem. 2010 Aug 15;82(16):6983-90. doi: 10.1021/ac101250h.

In this work we have systematically studied the behavior of solenoid pumps (SMP) as a function of flow rate and flow resistance. Using a new, economic, and miniature control unit, we achieved improvements of the systems versatility, transportability, and...

Teachers' gestures and students' learning: sometimes "hands off" is better.

Cognitive research: principles and implications

Yeo A, Ledesma I, Nathan MJ, Alibali MW, Church RB.
PMID: 29104912
Cogn Res Princ Implic. 2017;2(1):41. doi: 10.1186/s41235-017-0077-0. Epub 2017 Oct 25.

During mathematics instruction, teachers often make links between different representations of mathematical information, and they sometimes use gestures to refer to the representations that they link. In this research, we investigated the role of such gestures in students' learning...

Pressure Mat Analysis of Walk and Trot Gait Characteristics in 66 Normal Small, Medium, Large, and Giant Breed Dogs.

Frontiers in veterinary science

Fahie MA, Cortez JC, Ledesma M, Su Y.
PMID: 30386786
Front Vet Sci. 2018 Oct 16;5:256. doi: 10.3389/fvets.2018.00256. eCollection 2018.

No abstract available.

Set of 4d-3 observables to determine any pure qudit state.

Optics letters

Stefano QP, Rebón L, Ledesma S, Iemmi C.
PMID: 31090731
Opt Lett. 2019 May 15;44(10):2558-2561. doi: 10.1364/OL.44.002558.

We present a tomographic method which requires only 4d-3 measurement outcomes to reconstruct any pure quantum state of arbitrary dimension d. Using the proposed scheme, we have experimentally reconstructed a large number of pure states of dimension d=7, obtaining...

Miniaturized 0.13-μm CMOS Front-End Analog for AlN PMUT Arrays.

Sensors (Basel, Switzerland)

Zamora I, Ledesma E, Uranga A, Barniol N.
PMID: 32098323
Sensors (Basel). 2020 Feb 22;20(4). doi: 10.3390/s20041205.

This paper presents an analog front-end transceiver for an ultrasound imaging system based on a high-voltage (HV) transmitter, a low-noise front-end amplifier (RX), and a complementary-metal-oxide-semiconductor, aluminum nitride, piezoelectric micromachined ultrasonic transducer (CMOS-AlN-PMUT). The system was designed using the...

Optimized vs. Standard Automated Peritoneal Dialysis Regimens (OptiStAR): study protocol for a randomized controlled crossover trial.

Pilot and feasibility studies

Bergling K, de Arteaga J, Ledesma F, Öberg CM.
PMID: 32528722
Pilot Feasibility Stud. 2020 Jun 10;6:81. doi: 10.1186/s40814-020-00620-2. eCollection 2020.

BACKGROUND: It has been estimated that automated peritoneal dialysis (APD) is currently the fastest growing renal replacement therapy in the world. However, in light of the growing number of diabetic patients on peritoneal dialysis (PD), the unwanted glucose absorption...

Showing 1 to 12 of 146 entries