Carmen Moldovan
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View article: A Bio-Inspired Artificial Nerve Simulator for Ex Vivo Validation of Implantable Neural Interfaces Equipped with Plug Electrodes
A Bio-Inspired Artificial Nerve Simulator for Ex Vivo Validation of Implantable Neural Interfaces Equipped with Plug Electrodes Open
The development of implantable neural interfaces is essential for enabling bidirectional communication between the nervous system and prosthetic devices, yet their evaluation still relies primarily on in vivo models which are costly, varia…
View article: Hybrid Hydrogel Supplemented with Algal Polysaccharide for Potential Use in Biomedical Applications
Hybrid Hydrogel Supplemented with Algal Polysaccharide for Potential Use in Biomedical Applications Open
Hydrogels are a viable option for biomedical applications due to their biocompatibility, biodegradability, and ability to incorporate various healing agents while maintaining their biological efficacy. This study focused on the preparation…
View article: Piezoelectric MEMS Energy Harvester for Low-Power Applications
Piezoelectric MEMS Energy Harvester for Low-Power Applications Open
With the global market value of sensors on the rise, this paper focuses on the fabrication and testing of a proof-of-concept piezoelectric energy harvester which is able to harvest mechanical energy from the ambient environment and convert…
View article: System of Implantable Electrodes for Neural Signal Acquisition and Stimulation for Wirelessly Connected Forearm Prosthesis
System of Implantable Electrodes for Neural Signal Acquisition and Stimulation for Wirelessly Connected Forearm Prosthesis Open
There is great interest in the development of prosthetic limbs capable of complex activities that are wirelessly connected to the patient’s neural system. Although some progress has been achieved in this area, one of the main problems enco…
View article: Correlation of Clinical Outcomes with the Prominent Indication of Transcatheter Paravalvular Leak Closure: A Multicenter Experience
Correlation of Clinical Outcomes with the Prominent Indication of Transcatheter Paravalvular Leak Closure: A Multicenter Experience Open
Background: A paravalvular leak (PVL) is a complication following valve replacement, which may lead to heart failure and hemolysis. The aim of this study is to investigate whether the clinical outcome after transcatheter PVL closure differ…
View article: Exploring the Impact of Alginate—PVA Ratio and the Addition of Bioactive Substances on the Performance of Hybrid Hydrogel Membranes as Potential Wound Dressings
Exploring the Impact of Alginate—PVA Ratio and the Addition of Bioactive Substances on the Performance of Hybrid Hydrogel Membranes as Potential Wound Dressings Open
Healthcare professionals face an ongoing challenge in managing both acute and chronic wounds, given the potential impact on patients’ quality of life and the limited availability of expensive treatment options. Hydrogel wound dressings off…
View article: Chemiresistors with In2O3 Nanostructured Sensitive Films Used for Ozone Detection at Room Temperature
Chemiresistors with In2O3 Nanostructured Sensitive Films Used for Ozone Detection at Room Temperature Open
Detection of greenhouse gases is essential because harmful gases in the air diffuse rapidly over large areas in a short period of time, causing air pollution that will induce climate change with catastrophic consequences over time. Among t…
View article: Facile Electrodeposition-Based Chemosensors Using PANI and C-Hybrid Nanomaterials for the Selective Detection of Ammonia and Nitrogen Dioxide at Room Temperature
Facile Electrodeposition-Based Chemosensors Using PANI and C-Hybrid Nanomaterials for the Selective Detection of Ammonia and Nitrogen Dioxide at Room Temperature Open
Sensor systems for monitoring indoor air quality are vital for the precise quantification of the mechanisms which lead to the deterioration of human health, with a typical person spending an average of 20 h a day in an enclosed space. Thus…
View article: The Physicochemical and Antimicrobial Properties of Silver/Gold Nanoparticles Obtained by “Green Synthesis” from Willow Bark and Their Formulations as Potential Innovative Pharmaceutical Substances
The Physicochemical and Antimicrobial Properties of Silver/Gold Nanoparticles Obtained by “Green Synthesis” from Willow Bark and Their Formulations as Potential Innovative Pharmaceutical Substances Open
Green chemistry is a pharmaceutical industry tool, which, when implemented correctly, can lead to a minimization in resource consumption and waste. An aqueous extract of Salix alba L. was employed for the efficient and rapid synthesis of s…
View article: Biocompatibility Analysis of GelMa Hydrogel and Silastic RTV 9161 Elastomer for Encapsulation of Electronic Devices for Subdermal Implantable Devices
Biocompatibility Analysis of GelMa Hydrogel and Silastic RTV 9161 Elastomer for Encapsulation of Electronic Devices for Subdermal Implantable Devices Open
The natural differences between human-made electronics and biological tissues constitute a huge challenge in materials and the manufacturing of next-generation bioelectronics. As such, we performed a series of consecutive experiments for t…
View article: Multifunctional Zn-Doped ITO Sol–Gel Films Deposited on Different Substrates: Application as CO2-Sensing Material
Multifunctional Zn-Doped ITO Sol–Gel Films Deposited on Different Substrates: Application as CO2-Sensing Material Open
Undoped and Zn-doped ITO (ITO:Zn) multifunctional thin films were successfully synthesized using the sol–gel and dipping method on three different types of substrates (glass, SiO2/glass, and Si). The effect of Zn doping on the optoelectron…
View article: Remote Sensing System for Motor Nerve Impulse
Remote Sensing System for Motor Nerve Impulse Open
In this article, we present our research achievements regarding the development of a remote sensing system for motor pulse acquisition, as a first step towards a complete neuroprosthetic arm. We present the fabrication process of an implan…
View article: Resistive Chemosensors for the Detection of CO Based on Conducting Polymers and Carbon Nanocomposites: A Review
Resistive Chemosensors for the Detection of CO Based on Conducting Polymers and Carbon Nanocomposites: A Review Open
Nanocomposite materials have seen increased adoption in a wide range of applications, with toxic gas detection, such as carbon monoxide (CO), being of particular interest for this review. Such sensors are usually characterized by the prese…
View article: Long-term follow up after percutaneous PFO closure. Does baseline PFO anatomy affect the long term procedural result and the severity of residual shunt?
Long-term follow up after percutaneous PFO closure. Does baseline PFO anatomy affect the long term procedural result and the severity of residual shunt? Open
Background Patent foramen ovale (PFO) has been increasingly identified as a cause for left circulation thromboembolism. The risk is even higher in patients with specific anatomic features, like atrial septal aneurysm (ASA), prominent Eusta…
View article: Design and Fabrication of a New Wearable Pressure Sensor for Blood Pressure Monitoring
Design and Fabrication of a New Wearable Pressure Sensor for Blood Pressure Monitoring Open
In recent years, research into the field of materials for flexible sensors and fabrication techniques directed towards wearable devices has helped to raise awareness of the need for new sensors with healthcare applicability. Our goal was t…
View article: A New Hybrid Sensitive PANI/SWCNT/Ferrocene-Based Layer for a Wearable CO Sensor
A New Hybrid Sensitive PANI/SWCNT/Ferrocene-Based Layer for a Wearable CO Sensor Open
Developing a sensing layer with high electroactive properties is an important aspect for proper functionality of a wearable sensor. The polymeric nanocomposite material obtained by a simple electropolymerization on gold interdigitated elec…
View article: A Wearable Low-Power Sensing Platform for Environmental and Health Monitoring: The Convergence Project
A Wearable Low-Power Sensing Platform for Environmental and Health Monitoring: The Convergence Project Open
The low-power sensing platform proposed by the Convergence project is foreseen as a wireless, low-power and multifunctional wearable system empowered by energy-efficient technologies. This will allow meeting the strict demands of life-styl…
View article: Sensing Layer for Ni Detection in Water Created by Immobilization of Bioengineered Flagellar Nanotubes on Gold Surfaces
Sensing Layer for Ni Detection in Water Created by Immobilization of Bioengineered Flagellar Nanotubes on Gold Surfaces Open
The environmental monitoring of Ni is targeted at a threshold limit value of 0.34 μM, as set by the World Health Organization. This sensitivity target can usually only be met by time-consuming and expensive laboratory measurements. There i…
View article: Optical and Piezoelectric Properties of Mn-Doped ZnO Films Deposited by Sol-Gel and Hydrothermal Methods
Optical and Piezoelectric Properties of Mn-Doped ZnO Films Deposited by Sol-Gel and Hydrothermal Methods Open
Nowadays, multifunctional materials are of high interest due to their ability to be used in different applications by controlling one or two parameters (e.g., morphology and/or dopant). Zinc oxide is an intensive-studied material because o…
View article: Novel rehabilitation system for the lower limb
Novel rehabilitation system for the lower limb Open
A new structure and construction of a rehabilitation system for the lower limb is proposed. In many cases rehabilitation is suboptimal due to subjective and empirical choice of evaluation criteria, and therefore three new criteria are intr…
View article: Experimental Measurements in the Acquisition of Biosignals from a Neuronal Cell Culture for an Exoprosthesis Command
Experimental Measurements in the Acquisition of Biosignals from a Neuronal Cell Culture for an Exoprosthesis Command Open
This article presents experimental measurements performed in order to connect a neuronal cell culture to an exoprosthesis. The experiments focused on the biosignals� acquisition from the cell culture. A special gold-plated glass plate devi…
View article: Topography of the Human Ulnar Nerve for Mounting a Neuro-Prosthesis with Sensory Feedback
Topography of the Human Ulnar Nerve for Mounting a Neuro-Prosthesis with Sensory Feedback Open
This article presents the performed experimental measurements for connecting a sensory feedback neuro-prosthesis to the peripheral nervous system of a patient with forearm amputation. The experiments focused on the ring finger motion�s neu…
View article: Nanostructured SnO<sub>2</sub>–ZnO composite gas sensors for selective detection of carbon monoxide
Nanostructured SnO<sub>2</sub>–ZnO composite gas sensors for selective detection of carbon monoxide Open
A series of SnO 2 –ZnO composite nanostructured (thin) films with different amounts of SnO 2 (from 0 to 50 wt %) was prepared and deposited on a miniaturized porous alumina transducer using the sol–gel and dip coating method. The transduce…