David Romera

ORCID: 0000-0001-6103-4413
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About
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Research Areas
  • Fluid Dynamics and Turbulent Flows
  • Turbomachinery Performance and Optimization
  • Heat Transfer Mechanisms
  • Computational Fluid Dynamics and Aerodynamics
  • Bone Tissue Engineering Materials
  • Antifungal resistance and susceptibility
  • Fluid Dynamics and Vibration Analysis
  • Dental materials and restorations
  • Advanced biosensing and bioanalysis techniques
  • Quantum Dots Synthesis And Properties
  • Bacterial biofilms and quorum sensing
  • Orthopaedic implants and arthroplasty
  • Wastewater Treatment and Nitrogen Removal
  • Polymer Surface Interaction Studies
  • Advanced Combustion Engine Technologies
  • Taxation and Legal Issues
  • Antimicrobial Peptides and Activities
  • Nanofabrication and Lithography Techniques
  • Dental Implant Techniques and Outcomes
  • Advanced Sensor and Energy Harvesting Materials
  • Nanofluid Flow and Heat Transfer
  • Combustion and flame dynamics
  • Libraries, Manuscripts, and Books
  • ZnO doping and properties
  • Cultural Heritage Materials Analysis

Universidad Politécnica de Madrid
2018-2024

Madrid Institute for Advanced Studies
2015-2021

Centro Nacional de Biotecnología
2021

Técnicas Reunidas (Spain)
2020-2021

Hospital Universitario Fundación Jiménez Díaz
2018-2020

Universidad Autónoma de Madrid
2015-2020

Introduction.Candida auris is a pathogenic yeast that mainly affects immunosuppressed patients and those with implanted medical devices. This pathogen also displays elevated resistance to common antifungals high survival spreading capacities. Since no antifungal breakpoints have yet been defined for this pathogen, the data obtained here can be useful further research concerning treatment or implementation of prevention disinfection protocol. Our aim was study C. current in planktonic sessile...

10.1099/jmm.0.001036 article EN Journal of Medical Microbiology 2019-07-04

ABSTRACT Candida auris is a multiresistant pathogenic yeast commonly isolated from bloodstream infections in immunocompromised patients. In this work, we infected Galleria mellonella larvae with 105 CFU of reference strains and two clinical isolates C. albicans compared the outcomes infection between both species. Larvae were evaluated every 24 h for total 120 following G. Health Index Scoring System, survival, activity, melanization cocoon formation monitored. Our results showed that...

10.1093/femspd/ftaa067 article EN Pathogens and Disease 2020-10-23

The aim of this study was to evaluate the effect a moxifloxacin-loaded organicinorganic sol-gel with different antibiotic concentration in vitro biofilm development and treatment against Staphylococcus aureus, S. epidermidis Escherichia coli, cytotoxicity cell proliferation MC3T3-E1 osteoblast; its efficacy preventing prosthetic joint infection caused by clinical strains aureus E. coli using an in-vivo murine model. Three bacterial strains, 15981, ATCC 35984, and, 25922, were used for...

10.3389/fmicb.2019.02935 article EN cc-by Frontiers in Microbiology 2020-01-17

Ti-doped ZnO thin films were obtained with the aim of tailoring film bioadhesiveness and making optoelectronic properties materials transferable to biological environments. The prepared on silicon substrates by sol-gel spin-coating subsequent annealing. A Ti-O segregation limits crystallite growth creates a buffer out-layer. Consequently, presents slightly increased resistivity, which remains in order 10-3 Ω·cm. strong biochemical interference Zn2+ ions released from pure surfaces was...

10.1021/acsomega.9b00646 article EN publisher-specific-oa ACS Omega 2019-07-01

The development of new active biocompatible materials and devices is a current need for their implementation in multiple fields, including the fabrication implantable biomedical applications sustainable bio-optics bio-optoelectronics. This paper describes simple strategy to use designed proteins develop protein-based functional materials. Using as self-assembling building blocks platform optically takes previous work one step further towards design with defined structures functions using...

10.1039/c9na00289h article EN cc-by-nc Nanoscale Advances 2019-01-01

We report the fabrication of a conductive biomaterial based on engineered proteins and patterned gold nanoparticles to overcome challenge charge transport macroscopic protein-based materials. This approach has great value for bioelectronics.

10.1039/d1nr00238d article EN cc-by-nc Nanoscale 2021-01-01

Abstract The dependence of the aerodynamic stability fan blades with nodal diameter and amplitude inlet perturbations is studied. analysis conducted using a block-wise spatial Fourier decomposition reduced passages to reconstruct full-annulus solution. method represents very efficiently unsteady flow generated by non-uniformities. explicit approximation exploited characterize relevance each perturbation in stall process study nonlinear harmonic basis. This allows studying contribution...

10.1115/1.4050144 article EN Journal of Turbomachinery 2021-02-10

Fungal prosthetic-joint infections are rare but devastating complications following arthroplasty. These highly recurrent and expose the patient to development of candidemia, which has high mortality rates. Patients with this condition often immunocompromised present several comorbidities, thus pose a challenge for diagnosis treatment. The most frequently isolated organisms in these Candida albicans parapsilosis, pathogens that initiate infection by developing biofilm on implant surface. In...

10.3390/ma13143144 article EN Materials 2020-07-15

Abstract This paper presents an efficient method of approximating unsteady flows using a block-wise discrete spatial Fourier series for the modeling three-dimensional non-axisymmetric without making any hypothesis about its temporal periodicity. The aims at capturing long-wavelength flow patterns that are present in many problems industrial interest, such as compressor stability, with drastic reduction computational resources. is intended to be used compute exhibiting large-scale...

10.1115/1.4047934 article EN Journal of Turbomachinery 2020-07-27

The unsteady laminar flow between two large rotating disks when one of them is impulsively started described using the von Kármán similarity analysis to reduce solution Navier–Stokes equations a set ordinary differential equations. It found that transient phenomenon consists three distinct phases. Firstly, development Ekman boundary layer, where quasi-steady Stewartson-type created. Secondly, angular momentum initially diffused in axial direction until inward radial convection becomes...

10.1017/jfm.2018.755 article EN Journal of Fluid Mechanics 2018-10-22

Abstract This paper presents an efficient method of approximating unsteady flows using a blockwise discrete spatial Fourier series for the modeling three-dimensional non-axisymmetric without making any hypothesis about its temporal periodicity. The aims at capturing long wavelength flow patterns which are present in many problems industrial interest, such as compressor stability, with drastic reduction computational resources. is intended to be used compute exhibiting large-scale...

10.1115/gt2019-91661 article EN 2019-06-17

Abstract The dependence of the aerodynamic stability fan blades with nodal diameter and amplitude inlet perturbations is studied. analysis conducted using a block-wise spatial Fourier decomposition reduced-passages to reconstruct full-annulus solution. method represents very efficiently unsteady flow generated by non-uniformities. explicit approximation exploited characterize relevance each perturbation in stall process study nonlinear harmonic basis. This allows studying contribution...

10.1115/gt2020-14948 article EN 2020-09-21

Abstract The block-wise spectral reconstruction of turbomachinery flows has been successfully used in the past to reduce computational cost full-annulus simulations. rationale method is based on an explicit representation long-wavelengths problem using a Fourier expansion blocks, which turn contain short-wavelength content spectrum. This work analyzes accuracy this approach and shows that approximation retains not only long wavelengths finite volume short but their interaction as well. due...

10.1115/1.4065411 article EN Journal of Turbomachinery 2024-04-25

The dependence of the aerodynamic stability fan blades with nodal diameter and amplitude inlet perturbations is studied.The analysis conducted using a block-wise spatial Fourier decomposition reduced-passages to reconstruct full-annulus solution.The method represents very efficiently unsteady flow generated by non-uniformities.The explicit approximation exploited characterize relevance each perturbation in stall process study nonlinear harmonic basis.This allows studying contribution...

10.1115/1.0002436v preprint EN 2021-07-16

The dependence of the aerodynamic stability fan blades with amplitude and nodal diameter potential perturbations associated presence pylons is studied. analysis conducted using a novel block-wise spatial Fourier decomposition reduced-passages to reconstruct full-annulus solution. method represents very efficiently unsteady flows generated by outlet static pressure non-uniformities. explicit approximation exploited characterize relevance each in stall process, its nonlinear studied harmonic...

10.33737/jgpps/130028 article EN cc-by-nc-nd Journal of the Global Power and Propulsion Society 2020-12-08

The dependence of the aerodynamic stability fan blades with amplitude and nodal diameter potential perturbations associated presence pylons is studied.The analysis conducted using a novel block-wise spatial Fourier decomposition reduced-passages to reconstruct full-annulus solution.The method represents very efficiently unsteady flows generated by outlet static pressure non-uniformities.The explicit approximation exploited characterize relevance each in stall process, its nonlinear studied...

10.33737/gpps20-tc-144 article EN Proceedings 2020-09-09
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