Apostolos Panagiotopoulos

ORCID: 0000-0001-8542-4694
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About
Contact & Profiles
Research Areas
  • Supercapacitor Materials and Fabrication
  • Electrochemical sensors and biosensors
  • Banking stability, regulation, efficiency
  • Housing Market and Economics
  • Conducting polymers and applications
  • Cardiac Valve Diseases and Treatments
  • Advanced battery technologies research
  • Corporate Finance and Governance
  • Graphene research and applications
  • Advancements in Battery Materials
  • Aortic Disease and Treatment Approaches
  • Advanced Sensor and Energy Harvesting Materials
  • Advanced biosensing and bioanalysis techniques
  • MXene and MAX Phase Materials
  • Nanomaterials for catalytic reactions
  • Advanced Nanomaterials in Catalysis
  • Additive Manufacturing and 3D Printing Technologies
  • Adversarial Robustness in Machine Learning
  • Electrochemical Analysis and Applications
  • Nanomaterials and Printing Technologies
  • Blockchain Technology Applications and Security
  • Graphene and Nanomaterials Applications
  • Aerogels and thermal insulation
  • Marine and Offshore Engineering Studies
  • Analytical Chemistry and Sensors

Imperial College London
2020-2023

Bank of England
2017-2020

University Hospital Schleswig-Holstein
2019

University of Lübeck
2019

University of Patras
2017-2019

Klinik und Poliklinik für Nuklearmedizin
2019

Direct Ink Writing is a promising technique for the sustainable fabrication of energy devices with arbitrary architectures.

10.1039/d0ma00753f article EN cc-by-nc Materials Advances 2020-11-10

Three-dimensional (3D) printing is gaining importance as a sustainable route for the fabrication of high-performance energy storage devices. It enables streamlined manufacture devices with programmable geometry at different length scales down to micron-sized dimensions. Miniaturized are fundamental components on-chip technologies enable autonomy. In this work, we demonstrate 3D printed microsupercapacitor electrodes from aqueous inks pristine graphene without need high temperature processing...

10.1021/acsnano.1c06535 article EN cc-by ACS Nano 2021-09-07

3D printed electrodes of 1T′/1T MoS 2 /TiS nanosheets without conductive additives have been demonstrated to perform for durable supercapacitors.

10.1039/d3ta02508j article EN cc-by-nc Journal of Materials Chemistry A 2023-01-01

High-mass loading three-dimensionally (3D) printed graphene–carbon nanotube (Gr–C) cathode is utilized for high performance Zn-ion hybrid capacitors.

10.1039/d2ta03488c article EN cc-by-nc Journal of Materials Chemistry A 2022-01-01

Graphene field-effect transistor (GFET) biosensors exhibit high sensitivity due to a large surface-to-volume ratio and the of Fermi level presence charged biomolecules near surface. For most reported GFET biosensors, bulky external reference electrodes are used which prevent their full-scale chip integration contribute higher costs per test. In this study, arrays with on-chip integrated liquid were employed for COVID-19 detection functionalized either antibody or aptamer selectively bind...

10.1039/d2sd00076h article EN cc-by Sensors & Diagnostics 2022-01-01

Climate change presents risks and opportunities for the real economies financial sectors of IMF's global membership. Understanding is key to prepare a successful transition lower carbon economy. This will unlock many technological progress structural transformation along path that around world need adapt support. note lays out IMF staff's emerging approach assessing impact climate on banking sector stability conducted in context Financial Sector Assessment Program (FSAP). The starts with...

10.5089/9798400212895.066 article EN IMF Staff Climate Notes 2022-07-01

In the present work, a nanostructured ZnO layer was synthesized onto Metglas magnetoelastic ribbon to immobilize hemoglobin (Hb) on it and study Hb’s electrochemical behavior towards hydrogen peroxide. Hb oxidation by H2O2 monitored simultaneously two different techniques: Cyclic Voltammetry (CV) Magnetoelastic Resonance (MR). The Metglas/ZnO/Hb system used as working electrode for CV scans sensor excited external coils, which drive resonance interrogate it. nanoparticles were grown...

10.3390/ma10080849 article EN Materials 2017-07-25

Abstract We present a simple and efficient method for the preparation of hemin‐modified SnO 2 films on low cost, flexible, conducting ITO‐PET substrates to enable development sensitive electrochemical sensor determination H O . Using hydrothermal processing meant that can be prepared at temperatures, compatible with PET substrate. The properties electrodes high hemin loading achieved in stable functional way, allowing direct reduction oxidation immobilized maintaining its electrocatalytic...

10.1002/elan.201800188 article EN Electroanalysis 2018-05-08

A simple and efficient preparation method for Microperoxidase-11 modified mesoporous SnO<sub>2</sub> films on ITO glass substrates the development of a sensitive electrochemical drug sensor determination artemisinin.

10.1039/c9ay00764d article EN cc-by Analytical Methods 2019-01-01

Aortic hemodynamics influence the integrity of vessel wall and cardiac afterload. The aim this study was to compare distal biological (BV) mechanical aortic valve (MV) replacements by in vitro 4D Flow MRI excluding confounding factors in-vivo testing potentially influencing hemodynamics.Two BV (Perimount MagnaEase [Carpentier-Edwards], Trifecta [Abbott]) two MV (On-X [CryoLife], prototype trileaflet valve) were scanned a flexible phantom at 3T using recommended MR sequence. A triphasic flow...

10.1111/jocs.14253 article EN Journal of Cardiac Surgery 2019-10-22

We study the interaction between solvency and funding costs at UK banks. use market-based leverage ratio as a proxy for market participants’ perceptions of bank solvency. investigate impact that changes in this have on banks’ CDS premia, which are their marginal cost wholesale funding. find negative shock to perception leads an increase evidence relationship is nonlinear, i.e. responsiveness greater lower initial levels

10.2139/ssrn.3053799 article EN SSRN Electronic Journal 2017-01-01

Aortenklappenprothesen können über Veränderungen des Blutflusses Umbauprozesse der Aortenwand triggern. In-vivo Versuche sind durch zahlreiche Covariablen kaum kontrollierbar. Deshalb sollte die Hämodynamik distal von mechanischen und biologischen Aortenklappen standardisiert in vitro mit 4D Fluss MRT untersucht werden.

10.1055/s-0037-1682056 article DE RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren 2019-03-01

10.1149/ma2021-02491463mtgabs article EN Meeting abstracts/Meeting abstracts (Electrochemical Society. CD-ROM) 2021-10-19
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