J. García-Jaca

ORCID: 0000-0003-0630-1341
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About
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Research Areas
  • Physics of Superconductivity and Magnetism
  • Transition Metal Oxide Nanomaterials
  • Renal Transplantation Outcomes and Treatments
  • Natural Fiber Reinforced Composites
  • Catalysis and Oxidation Reactions
  • Neurological Complications and Syndromes
  • Crystal Structures and Properties
  • Copper-based nanomaterials and applications
  • Advanced Condensed Matter Physics
  • Electronic and Structural Properties of Oxides
  • Advancements in Solid Oxide Fuel Cells
  • Vanadium and Halogenation Chemistry
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Chemical Synthesis and Characterization
  • Gas Sensing Nanomaterials and Sensors
  • Copper Interconnects and Reliability
  • Magnetism in coordination complexes
  • Flame retardant materials and properties
  • Lignin and Wood Chemistry
  • Wood Treatment and Properties
  • Crystal structures of chemical compounds
  • Organ Transplantation Techniques and Outcomes
  • Pigment Synthesis and Properties
  • Porphyrin and Phthalocyanine Chemistry

Hospital Universitario Ramón y Cajal
2003-2024

Tecnalia
2019-2024

Hospital Universitario La Paz
2017

University of Castilla-La Mancha
2017

Hospital Universitario Son Dureta
2010

Leitat Technological Center
2000-2007

Universidad San Pablo CEU
1999-2001

Universidad de Zaragoza
2001

Universidad Complutense de Madrid
1998-2000

University of the Basque Country
1993-1999

Materials built from MO6 octahedra linked to XO4 tetrahedra are good candidates for studying the different factors that determine electrode potential. Among them, olivine-like LiMPO4 (M = transition metal) phosphates especially interesting. When pressure is applied Ni and Fe), a phase induced. However, instead of well-known olivine ⇔ spinel transformation, new observed (β'). The arrangements metal ions (including phosphorus) in two structures very similar; thus, main difference between them...

10.1021/cm000596p article EN Chemistry of Materials 2001-04-13

10.1016/j.compositesa.2009.08.010 article EN Composites Part A Applied Science and Manufacturing 2009-08-27

Abstract This study concerns the preparation of eco‐composites based on natural fibers coming from wood and subproducts (rice husks) products (kenaf) annually grown plants. The matrices used were two types: a biopolymer (PLA) petroleum‐derived polymer (HDPE). Results showed that markedly increase tensile flexural properties both polymers by extending field application these materials with less use nonrenewable resources. obtained are comparable to commercially available fiber‐filled...

10.1002/app.27519 article EN Journal of Applied Polymer Science 2007-11-26

The demand for wood has increased in recent years due to new technical possibilities and environmental concerns. This paper provides an analysis of the factors that affect use construction sector, assessment their importance individual countries groups stakeholders. study covers technical, societal, political, economic, gender aspects construction, with aim increasing global understanding regarding national differences, current situation, potential further development. subject was...

10.3390/su14074358 article EN Sustainability 2022-04-06

As the construction industry moves toward sustainable building practices, incorporating wood-based materials into envelope systems has become a priority. This paper investigates environmental impact of three custom bio-composite Façade System Modules (FSMs) through an Embodied Carbon Assessment (ECA), focused on Global Warming Potential indicator life cycle stages from cradle to practical completion (A1–A5). The evaluated FSMs were developed within Basajaun H2020 project (G.A. 862942), by...

10.3390/su16031190 article EN Sustainability 2024-01-31

Nephrotoxicity of calcineurin inhibitors (CNIs) is partially responsible for the development chronic allograft nephropathy (CAN). Sirolimus has demonstrated its potential to substitute CNIs because it lacks significant nephrotoxicity and shows a short-term immunosuppressive capacity comparable with that cyclosporine. This results in maintenance better renal function when cyclosporine eliminated, but not been whether this benefit associated an improvement pathologic substrate reduction CAN.We...

10.1097/01.tp.0000137322.65953.0a article EN Transplantation 2004-11-15

Wood flour particleboards (WFP), like other wood-based items, require the addition of fire retardants (FRs) to reduce their high flammability. In this work, a waste lignosulfonate (CaLS) from paper mill is used as low-cost FR WFP CaLS purified by dialysis and dialysed (LD) used, alone or combined with ammonium polyphosphate (APP), additive in preparation urea-formaldehyde WFP. The behaviour modified WFPs studied cone calorimetry. use 15 wt.% LD reduces peak heat release rate (HRR) total...

10.1155/2019/6178163 article EN cc-by International Journal of Polymer Science 2019-07-11

The aim of this work is to investigate the origin piezochromism and thermochromism exhibited by copper oxide ${\mathrm{CuMoO}}_{4}.$ These optical phenomena are associated with structural phase transition (PT) from triclinic $\ensuremath{\alpha}$ (green) modification $\ensuremath{\gamma}$ (brownish-red) modification. variation optical-absorption spectrum pressure temperature indicates that piezochromic thermochromic transitions can be reached ambient conditions either applying at 2.5 kbar or...

10.1103/physrevb.61.16497 article EN Physical review. B, Condensed matter 2000-06-15

A non-stoichiometric calcium vanadium(IV) oxide with formula CaVO3 +δ has been synthesized via the thermal decomposition of [Ca(VO)(±-C4H2O6)(H2O)4]2 metallo–organic precursor at 1 073 K. The morphology samples obtained by using this method shows influence transport vapour phase formed during ligand pyrolysis. contains an excess oxygen, δ=+0.23, which implies that vanadium atom exhibits oxidation state between VIV and VV. crystal structure is perovskite-type orthorhombic distortion. This...

10.1039/jm9950501995 article EN Journal of Materials Chemistry 1995-01-01

Abstract The calcium vanadyl tartrate complex [Ca(VO)(d,l-C4H2O6)(H2O)4] has been synthesized and characterized by spectroscopic methods. Its crystal structure was solved X-ray compound is monoclinic, space group P21/c, with a = 8.0282(5), b 17.1568(8), c 7.6113(3)Å, β 94.269(4)° Z 4. consists of centrosymmetric dimers, [(VO)(d,l-C4H2O6)]2 4-, cations placed between them. As result, dimers form chains in the [101] direction. Neighbouring are linked coordination ion to oxygen atom different...

10.1080/00958979308022766 article EN Journal of Coordination Chemistry 1993-12-01

Background: The purpose was to analyze the casuistry of pelvic floor reconstruction (PFR) with biological mesh (BM) after exenterative radical surgery. Methods: Six patients treated surgery and perineal defect, conducted a BM, since April 2011 June 2016, are described. Results: A total 5 exenterations an anterior supralevator exenteration were performed, 2 cases included vulvectomy. In BM placed intraoperatively, combined myocutaneous bilateral gracilis flap or omentoplasty. Another case...

10.15344/2394-4986/2017/132 article EN International Journal of Gynecology & Clinical Practices 2017-10-09

ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionORIGINAL ARTICLEThis notice is a correctionInfluence of the Structure on Electrochemical Performance Lithium Transition Metal Phosphates as Cathodic Materials in Rechargeable Batteries: A New High-Pressure Form LiMPO4 (M = Fe and Ni).O. García-Moreno, M. Alvarez-Vega, F. García-Alvarado, J. García-Jaca, Gallardo-Amores, L. Sanjuán, U. AmadorCite this: Chem. Mater. 2001, 13, 7, 2455Publication Date (Web):June 16, 2001Publication History...

10.1021/cm012005g article EN Chemistry of Materials 2001-06-16

A new alkaline-earth-metal oxovanadium(IV) tartrate dimer with formula [Sr(VO)((±)-C4H2O6)(H2O)3]2 has been synthesized and characterized. The crystal structure consists of a three-dimensional (3D) arrangement [(VO)((±)-C4H2O6)]24– dimeric anions, strontium cations water molecules. There are several bonds between the oxygen atoms anions cations, including bond vanadyl group. electron paramagnetic resonance (EPR) measurements show nature this complex. Thermal treatments compound, at low...

10.1039/jm9950500277 article EN Journal of Materials Chemistry 1995-01-01
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