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Showing 1 to 12 of 73 entries
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MWP phase shifters integrated in PbS-SU8 waveguides.

Optics express

Hervás J, Suárez I, Pérez J, Cantó PJ, Abargues R, Martínez-Pastor JP, Sales S, Capmany J.
PMID: 26072799
Opt Express. 2015 Jun 01;23(11):14351-9. doi: 10.1364/OE.23.014351.

We present new kind of microwave phase shifters (MPS) based on dispersion of PbS colloidal quantum dots (QDs) in commercially available photoresist SU8 after a ligand exchange process. Ridge PbS-SU8 waveguides are implemented by integration of the nanocomposite in...

Common and rare variants of microRNA genes in autism spectrum disorders.

The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry

Toma C, Torrico B, Hervás A, Salgado M, Rueda I, Valdés-Mas R, Buitelaar JK, Rommelse N, Franke B, Freitag C, Reif A, Pérez-Jurado LA, Battaglia A, Mazzone L, Bacchelli E, Puente XS, Cormand B.
PMID: 25903372
World J Biol Psychiatry. 2015 Sep;16(6):376-386. doi: 10.3109/15622975.2015.1029518. Epub 2015 Apr 23.

OBJECTIVES: MicroRNAs (miRNAs) are post-transcriptional regulators that have been shown to be involved in disease susceptibility. Here we explore the possible contribution of common and rare variants in miRNA genes in autism spectrum disorders (ASD).METHODS: A total of 350...

A comparative study of the thermal stability of plastocyanin, cytochrome c(6) and Photosystem I in thermophilic and mesophilic cyanobacteria.

Photosynthesis research

Balme A, Hervás M, Campos LA, Sancho J, De la Rosa MA, Navarro JA.
PMID: 16252173
Photosynth Res. 2001;70(3):281-9. doi: 10.1023/A:1014761524242.

Cytochrome c(6) (Cyt) from the thermophilic cyanobacterium Phormidium laminosum has been purified and characterized. It is a mildly acidic protein, with physicochemical properties very similar to those of plastocyanin (Pc). This is in agreement with the functional interchangeability of...

Fisher Information Matrix of Unipolar Activation Function-Based Multilayer Perceptrons.

IEEE transactions on cybernetics

Guo W, Ong YS, Zhou Y, Hervas JR, Song A, Wei H.
PMID: 29994240
IEEE Trans Cybern. 2019 Aug;49(8):3088-3098. doi: 10.1109/TCYB.2018.2838680. Epub 2018 Jun 08.

The multilayer perceptrons (MLPs) are widely used in many fields, however, singularities in the parameter space may seriously influence the learning dynamics of MLPs and cause strange learning behaviors. Given that the singularities are the subspaces of the parameter...

Cardiovascular Events During and After Bronchiectasis Exacerbations and Long-Term Mortality.

Chest

Méndez R, Feced L, Alcaraz-Serrano V, González-Jiménez P, Bouzas L, Alonso R, Martínez-Dolz L, Hervás D, Fernández-Barat L, Torres A, Menéndez R.
PMID: 34656526
Chest. 2021 Oct 15; doi: 10.1016/j.chest.2021.10.013. Epub 2021 Oct 15.

BACKGROUND: Population-based and retrospective studies have shown that risk for cardiovascular events such as arrythmias, ischemic episodes, or heart failure, increase during and after bronchiectasis exacerbations.RESEARCH QUESTION: What are the risk factors for cardiovascular events (CVE) during and after...

Analysis of the perfusion of the optic nerve using angio-OCT in glaucoma.

Archivos de la Sociedad Espanola de Oftalmologia

Hervás A, García-Delpech S, Udaondo P.
PMID: 32675037
Arch Soc Esp Oftalmol (Engl Ed). 2021 Apr;96(4):214-218. doi: 10.1016/j.oftal.2020.05.020. Epub 2020 Jul 14.

The introduction of optical coherence tomography angiography (OCT-A) has generated interest in evaluating vascular dysfunctions in the optic nerve head for the diagnosis and monitoring of glaucoma. The purpose of this study is to compare perfusion of the optic...

Redox Status, Dose and Antioxidant Intake in Healthcare Workers Occupationally Exposed to Ionizing Radiation.

Antioxidants (Basel, Switzerland)

Sebastià N, Olivares-González L, Montoro A, Barquinero JF, Canyada-Martinez AJ, Hervás D, Gras P, Villaescusa JI, Martí-Bonmatí L, Muresan BT, Soriano JM, Campayo JM, Andani J, Alonso O, Rodrigo R.
PMID: 32825731
Antioxidants (Basel). 2020 Aug 21;9(9). doi: 10.3390/antiox9090778.

The purpose of this study was to evaluate the relationship between blood redox status, dose and antioxidant dietary intake of different hospital staff groups exposed to low doses of ionizing radiation (LDIR) (Interventional Radiology and Cardiology, Radiation Oncology, and...

Intravitreal administration of recombinant human opticin protects against hyperoxia-induced pre-retinal neovascularization.

Experimental eye research

Klaska IP, White A, Villacampa P, Hoke J, Hervás LA, Maswood RN, Ali RR, Bunce C, Unwin RD, Cooper GJS, Bishop PN, Bainbridge JW.
PMID: 34954204
Exp Eye Res. 2021 Dec 23;108908. doi: 10.1016/j.exer.2021.108908. Epub 2021 Dec 23.

Opticin is an extracellular glycoprotein present in the vitreous. Its antiangiogenic properties offer the potential for therapeutic intervention in conditions such as proliferative diabetic retinopathy and retinopathy of prematurity. Here, we investigated the hypothesis that intravitreal administration of recombinant...

Clinical Utility of Plasma Lipid Peroxidation Biomarkers in Alzheimer's Disease Differential Diagnosis.

Antioxidants (Basel, Switzerland)

Peña-Bautista C, Álvarez L, Durand T, Vigor C, Cuevas A, Baquero M, Vento M, Hervás D, Cháfer-Pericás C.
PMID: 32707935
Antioxidants (Basel). 2020 Jul 22;9(8). doi: 10.3390/antiox9080649.

BACKGROUND: Differential diagnosis of Alzheimer's disease (AD) is a complex task due to the clinical similarity among neurodegenerative diseases. Previous studies showed the role of lipid peroxidation in early AD development. However, the clinical validation of potential specific biomarkers...

Spatial Division Multiplexed Microwave Signal processing by selective grating inscription in homogeneous multicore fibers.

Scientific reports

Gasulla I, Barrera D, Hervás J, Sales S.
PMID: 28134304
Sci Rep. 2017 Jan 30;7:41727. doi: 10.1038/srep41727.

The use of Spatial Division Multiplexing for Microwave Photonics signal processing is proposed and experimentally demonstrated, for the first time to our knowledge, based on the selective inscription of Bragg gratings in homogeneous multicore fibers. The fabricated devices behave...

ESCAP practice guidance for autism: a summary of evidence-based recommendations for diagnosis and treatment.

European child & adolescent psychiatry

Fuentes J, Hervás A, Howlin P.
PMID: 32666205
Eur Child Adolesc Psychiatry. 2021 Jun;30(6):961-984. doi: 10.1007/s00787-020-01587-4. Epub 2020 Jul 14.

Across Europe, there is increased awareness of the frequency and importance of autism spectrum disorder (ASD), which is now recognised not only as a childhood disorder but as a heterogeneous, neurodevelopmental condition that persists throughout life. Services for individuals...

Liquid-air based Fabry-Pérot cavity on fiber tip sensor.

Optics express

Llera M, Aellen T, Hervas J, Salvadé Y, Senn P, Le Floch S, Keppner H.
PMID: 27137244
Opt Express. 2016 Apr 18;24(8):8054-65. doi: 10.1364/OE.24.008054.

This paper presents a Fabry-Perot fiber tip sensor based on an air-liquid filled cavity. The cavity is sealed off by a thin gold coated membrane of parylene C, between 300 and 350 nm, creating a particularly flexible diaphragm. In...

Showing 1 to 12 of 73 entries