Explanipedia

Image-Analysis-Based Validation of the Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device Open

Harald Paulsen, Margit Gfoehler, Johannes Peter Schramel, Christian Peham · 2025

Texture testing is applied in various industries. Recently, a simple, accelerometer-equipped texture testing device (Surface Tester of Food Resilience; STFR) has been developed, and we elaborated formulae describing the movement of the pro…

A Validated CFD Model for Gas Exchange in Hollow Fiber Membrane Oxygenators: Incorporating the Bohr and Haldane Effects Open

Seyyed Hossein Monsefi Estakhrposhti, Jingjing Xu, Margit Gfoehler, Michael Harasek · 2025

Chronic respiratory diseases claim nearly four million lives annually, making them the third leading cause of death worldwide. Extracorporeal membrane oxygenation (ECMO) is often the last line of support for patients with severe lung failu…

On choosing interpolation domains and functions in topology optimization of multi-scale structures: a comparative study Open

A.A. Ali, Abdulmajeed Altassan, Théodore Cherrière, Peter Gangl, Margit Gfoehler , et al. · 2025

In this work, we evaluate the behavior of several material interpolation schemes in conducting topology optimization of composite structures made of 28 orthotropic materials with similar costs and densities. The materials are categorized i…

Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device Open

Hauke Paulsen, Christian Peham, Johannes Peter Schramel, Margit Gfoehler · 2025

Recently, an accelerometer-based device (Vienna Surface Tester (VST)) has been developed for testing the surface characteristics of floors, beddings and turf grounds. The accelerometers are placed in a sphere, which will be dropped in free…

Optimizing hollow fiber membrane oxygenators: A multi-objective approach for improved gas exchange and reduced blood damage Open

Seyyed Hossein Monsefi Estakhrposhti, Jing Xu, Margit Gfoehler, Michael Harasek · 2025

From Soft Lithography to 3D Printing: Current Status and Future of Microfluidic Device Fabrication Open

Jingjing Xu, Michael Harasek, Margit Gfoehler · 2025

The advent of 3D printing has revolutionized the fabrication of microfluidic devices, offering a compelling alternative to traditional soft lithography techniques. This review explores the potential of 3D printing, particularly photopolyme…

Microstructured Hollow Fiber Membranes: Potential Fiber Shapes for Extracorporeal Membrane Oxygenators Open

Paul Ecker, Markus Pekovits, Tsvetan Yorov, Bahram Haddadi, Benjamin Lukitsch , et al. · 2021

Extracorporeal membrane oxygenators are essential medical devices for the treatment of patients with respiratory failure. A promising approach to improve oxygenator performance is the use of microstructured hollow fiber membranes that incr…

Water as a Blood Model for Determination of CO2 Removal Performance of Membrane Oxygenators Open

Benjamin Lukitsch, Raffael Koller, Paul Ecker, Martin Elenkov, Christoph Janeczek , et al. · 2021

CO2 removal via membrane oxygenators has become an important and reliable clinical technique. Nevertheless, oxygenators must be further optimized to increase CO2 removal performance and to reduce severe side effects. Here, in vitro tests w…

A Robotic System with EMG-Triggered Functional Eletrical Stimulation for Restoring Arm Functions in Stroke Survivors Open

Emilia Ambrosini, Giulio Gasperini, Johannes Zajc, Nancy Immick, Andreas Augsten , et al. · 2021

Background Robotic systems combined with Functional Electrical Stimulation (FES) showed promising results on upper-limb motor recovery after stroke, but adequately-sized randomized controlled trials (RCTs) are still missing. Objective To e…

Suitable CO2 Solubility Models for Determination of the CO2 Removal Performance of Oxygenators Open

Benjamin Lukitsch, Paul Ecker, Martin Elenkov, Christoph Janeczek, Christian Jordan , et al. · 2021

CO2 removal via membrane oxygenators during lung protective ventilation has become a reliable clinical technique. For further optimization of oxygenators, accurate prediction of the CO2 removal rate is necessary. It can either be determine…

A generic musculoskeletal model of the juvenile lower limb for biomechanical analyses of gait Open

Reinhard Hainisch, Andreas Kranzl, Yi‐Chung Lin, Marcus G. Pandy, Margit Gfoehler · 2020

The aim of this study was to develop a generic musculoskeletal model of a healthy 10-year-old child and examine the effects of geometric scaling on the calculated values of lower-limb muscle forces during gait. Subject-specific musculoskel…

Computation of Global and Local Mass Transfer in Hollow Fiber Membrane Modules Open

Benjamin Lukitsch, Paul Ecker, Martin Elenkov, Christoph Janeczek, Bahram Haddadi , et al. · 2020

Computational fluid dynamics (CFD) provides a flexible tool for investigation of separation processes within membrane hollow fiber modules. By enabling a three-dimensional and time dependent description of the corresponding transport pheno…

Fully Resolved Computational (CFD) and Experimental Analysis of Pressure Drop and Blood Gas Transport in a Hollow Fibre Membrane Oxygenator Module Open

Michael Harasek, Benjamin Lukitsch, Paul Ecker, Christoph Janeczek, Martin Elenkov , et al. · 2019

Membrane oxygenators or artificial lungs have become a reliable and live saving clinical technique. To limit side effects on blood platelet parameters the high extrinsic surface introduced by the hollow fiber membrane packing has to be dec…

Upper-limb actuated exoskeleton for muscular dystrophy patients: preliminary results Open

Stefano Dalla Gasperina, Marta Gandolla, Alessandro Manti, Lorenzo Aquilante, Valeria Longatelli , et al. · 2019

Being able to perform a lost movement is an important experience towards increased independence and self-esteem, particularly for neuromuscular patients, who see their muscles weaken day after day. In this pilot study, preliminary results …

A Hybrid Robotic System for Arm Training of Stroke Survivors: Concept and First Evaluation Open

Emilia Ambrosini, Johannes Zajc, Simona Ferrante, Giancarlo Ferrigno, Stefano Dalla Gasperina , et al. · 2019

The presented hybrid robotic system is highly customizable, allows to monitor the daily performance, requires low supervision of the therapist, and might have the potential to enhance arm recovery after stroke.

Passive Light-Weight Arm Exoskeleton: Possible Applications Open

Markus Puchinger, Nithin Kurup, Margit Gfoehler · 2018

Multi-Modal Human-Machine Control Interfaces of Upper Limb Motorized Exoskeletons for Severely Impaired Patients Open

Stefano Dalla Gasperina, Marta Gandolla, Alessandra Calcagno, Andrea Costa, Lorenzo Aquilante , et al. · 2018

\nThe aim of this study concerns the evaluation and comparison of different Human-Machine Interfaces for the control of an upper limb motorized exoskeleton for severely impaired patients. Different approaches (i.e. manual, vocal, visual co…

The combined action of a passive exoskeleton and an EMG-controlled neuroprosthesis for upper limb stroke rehabilitation: First results of the RETRAINER project Open

Emilia Ambrosini, Simona Ferrante, Johannes Zajc, Maria Bulgheroni, Walter Baccinelli , et al. · 2017

The combined use of Functional Electrical Stimulation (FES) and robotic technologies is advocated to improve rehabilitation outcomes after stroke. This work describes an arm rehabilitation system developed within the European project RETRA…

Reaching and Grasping Training based on Robotic Hybrid Assistance for Neurological Patients Open

Maria Bulgheroni, E. D'Amico, Ilaria De Vita, Emilia Ambrosini, Simona Ferrante , et al. · 2016

This research tunes and validates advanced robot-based technologies to facilitate recovery of arm and hand function in stroke survivors. RETRAINER system is robotic hybrid assistance allowing the end-users to use their own arm and hand as …

Margit Gfoehler YOU? Author Swipe