- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Advanced Sensor and Energy Harvesting Materials
- Neuroscience and Neural Engineering
- Analytical Chemistry and Sensors
- 3D Printing in Biomedical Research
- Advanced Memory and Neural Computing
- Electrochemical Analysis and Applications
- Supercapacitor Materials and Fabrication
- Electrochemical sensors and biosensors
- Bone Tissue Engineering Materials
- Nanowire Synthesis and Applications
- Semiconductor materials and interfaces
- Thin-Film Transistor Technologies
- Molecular Junctions and Nanostructures
- Diamond and Carbon-based Materials Research
- Tribology and Wear Analysis
- Photoacoustic and Ultrasonic Imaging
- Advanced biosensing and bioanalysis techniques
- Carbon Nanotubes in Composites
- Lipid Membrane Structure and Behavior
- Advanced X-ray and CT Imaging
- Radiation Dose and Imaging
- Force Microscopy Techniques and Applications
- solar cell performance optimization
Khalifa University of Science and Technology
2021-2025
University of Cambridge
2018-2024
Mines Saint-Étienne
2017-2018
Institut Fresnel
2017
Centre National de la Recherche Scientifique
2017
Aix-Marseille Université
2017
Aristotle University of Thessaloniki
2009-2016
Hellenic Agency for Local Development and Local Government
2014
This work reports the design of a live‐cell monitoring platform based on macroporous scaffold conducting polymer, poly(3,4‐ethylene dioxythiophene):poly(styrenesulfonate). The polymer scaffolds support 3D cell cultures due to their biocompatibility and tissue‐like elasticity, which can be manipulated by inclusion biopolymers such as collagen. Integration media perfusion tube inside enables homogenous spreading fluid transport throughout scaffold, ensuring long term viability. also allows for...
We report development of the first biomimetic transistor in a tube for continuous monitoring 3D cell cultures.
High performance castor oil-based triboelectric nanogenerators (TENGs) for sustainable energy harvesting.
Conducting polymer scaffolds can promote cell growth by electrical stimulation, which is advantageous for some specific type of cells such as neurons, muscle, or cardiac cells. As an additional feature, the measure their impedance has been demonstrated a tool to monitor within scaffold. In this work, we present innovative conducting porous based on poly(3,4-ethylenedioxythiophene) (PEDOT):xanthan gum instead well-known PEDOT:polystyrene sulfonate scaffolds. These novel combine conductivity...
Semiconducting polymers with oligoethylene glycol (OEG) sidechains have attracted strong research interest for organic electrochemical transistor (OECT) applications. However, key molecular design rules high-performance OECTs via efficient mixed electronic/ionic charge transport are still unclear. In this work, new glycolated copolymers (gDPP-TTT and gDPP-TTVTT) diketopyrrolopyrrole (DPP) acceptor thiophene (T) vinylene (V) thiophene-based donor units synthesized characterized accumulation...
Conducting polymer (CP) scaffolds have emerged as a transformative tool in bioelectronics and bioengineering, advancing the ability to interface with biological systems. Their unique combination of electrical conductivity, tailorability, biocompatibility surpasses capabilities traditional nonconducting while granting them access realm bioelectronics. This review examines recent developments CP scaffolds, focusing on material device advancements, well their interplay We highlight applications...
Electrospun nanofibrous scaffolds have been extensively used in several biomedical applications for tissue engineering due to their morphological resemblance the extracellular matrix (ECM). Especially, there is a need cardiovascular implants exhibit nanostructured surface that mimics native endothelium order promote endothelialization and reduce complications of thrombosis implant failure. Thus, we herein fabricated poly-ε-caprolactone (PCL) electrospun scaffolds, serve as coatings guide...
Abstract Antibiotic discovery has experienced a severe slowdown in terms of new candidates. In vitro screening methods using phospholipids to model the bacterial membrane provide route identify molecules that specifically disrupt membranes causing cell death. Thanks electrically insulating properties major component membrane, phospholipids, electronic devices are highly suitable transducers disruption. The organic electrochemical transistor (OECT) is sensitive ion‐to‐electron converter....
Conducting polymer scaffolds combine the soft-porous structures of with electrical properties conducting polymers. In most cases, such functional systems are developed by combining an insulating scaffold matrix electrically materials in a 3D hybrid network. However, issues arising from poor electronic systems, hinder their application many areas. This work reports on design electroactive scaffold, which is free matrix. These constructs comprise water soluble (PEDOT:PSS) and multi-walled...
Transmembrane proteins (TMPs) regulate processes occurring at the cell surface and are essential gatekeepers of information flow across membrane. TMPs difficult to study, given complex environment membrane its influence on protein conformation, mobility, biomolecule interaction, activity. For first time, we create mammalian biomembranes supported a transparent, electrically conducting polymer surface, which enables dual electrical optical monitoring TMP function in native environment....
Abstract Organ on chip (OoC) technologies have the potential to improve translation of promising therapies currently failing in clinical trials at great expense and time due dissimilarities between animal human biology. Successful OoC models integrate cells within 3D tissues with surrounding biomolecular components, benefited from use inert gels scaffolds used as templates, prompting tissue formation. However, monitoring assess integrity drug effects are ill adapted Here, a tubular...
Traditional epidermal electrodes, typically made of silver/silver chloride (Ag/AgCl), have been widely used in various applications, including electrophysiological recordings and biosignal monitoring. However, they present limitations due to inherent material mismatches with the skin. This often results high interface impedance, discomfort, potential skin irritation, particularly during prolonged use or for individuals sensitive While tissue-mimicking materials explored, their mechanical...
Abstract The selective removal of non‐cellulosics from microbial biofilms and particularly plants has enabled the formation high‐performance yet sustainable functional materials. However, ascidians, only animals to synthesize cellulose nanofibers, have not been explored for their cellulosic nanonetworks. In this work, ascidians through mild processes yields a nanonetwork with features that cannot be obtained either or microbes. “nano‐ascidian” nanofibers structured into spherical capsules...
Oppositely charged polyelectrolyte multilayers (PEMs) were built up in a layer-by-layer (LbL) assembly on top of the conducting polymer channel an organic electrochemical transistor (OECT), aiming to combine advantages well-established PEMs with high performance electronic transducer. The multilayered film is model system investigate impact biofunctionalization operation OECTs comprising poly(3,4-ethylenedioxythiophene) polystyrenesulfonate (PEDOT:PSS) as electrically active layer....
The performance of polymer–fullerene bulk heterojunction (BHJ) solar cells is strongly dependent on the vertical distribution donor and acceptor regions within BHJ layer. In this work, we investigate in detail effect hole transport layer (HTL) physical properties thermal annealing morphology cell performance. For purpose, have prepared with four distinct formulations poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) buffer layers. samples were subjected to annealing,...
Abstract In organic electronics solution‐processable n‐channel field‐effect transistors (FETs) matching the parameters of best p‐channel FETs are needed. Progress toward fabrication such devices is strongly impeded by a limited number suitable semiconductors as well lack processing techniques that enable strict control supramolecular organization in deposited layer. Here, use N , ′‐bis(4‐n‐butylphenyl)‐1,4,5,8‐naphthalenetetracarboxylic‐1,4:5,8‐bisimide (NBI‐4‐n‐BuPh) for described. The...
An electrospray-printing technique was employed for the fabrication of OFETs based on small-molecule:semiconducting polymer blends.
Abstract A large amount of research within organic biosensors is dominated by electrochemical transistors (OECTs) that use conducting polymers such as poly(3,4‐ethylene dioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS). Despite the recent advances in OECT‐based biosensors, sensing solely reliant on amperometric detection bioanalytes. This typically accompanied undesirable parasitic electrical signals from electroactive components electrolyte. Herein, we present situ resonance...
3D cell models have made strides in the past decades response to failures of 2D cultures translate targets during drug discovery process. Here, we report on a novel multiwell plate bioelectronic platform, namely, e-transmembrane, capable supporting and monitoring complex architectures. Scaffolds PEDOT:PSS [poly(3,4-ethylenedioxythiophene):polystyrene sulfonate] are microengineered function as separating membranes for compartmentalized cultures, well electronic components real-time situ...