Morteza Amjadi

Morteza Amjadi
University of Glasgow | UofG

PhD

About

44
Publications
73,149
Reads
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5,619
Citations
Citations since 2016
32 Research Items
5502 Citations
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Introduction
Dr Morteza Amjadi is an Associate Professor of Biomedical Engineering at University of Glasgow, UK. He leads the Integrated Soft Machines Lab where his group aims to design multifunctional soft machines utilizing novel mechanical designs, advanced materials, bioinspired structures, and digital manufacturing processes. Morteza has published over a dozen papers in high-impact journals including Advanced Materials, ACS Nano, Advanced Functional Materials, and Advanced Science.
Additional affiliations
May 2019 - present
Heriot-Watt University
Position
  • Professor (Assistant)
September 2014 - October 2014
Electronics and Telecommunications Research Institute
Position
  • Research Staff
September 2012 - August 2014
Korea Advanced Institute of Science and Technology
Position
  • Research Assistant
Education
January 2015 - December 2018
ETH Zurich
Field of study
  • Mechanical Engineering
December 2014 - May 2019
September 2012 - August 2014
Korea Advanced Institute of Science and Technology
Field of study
  • Mechanical Engineering

Publications

Publications (44)
Article
Full-text available
Polymer‐based flexible actuators have recently attracted significant attention owing to their great potentials in soft robotics, wearables, haptics, and medical devices. In particular, electrically driven polymer‐based flexible actuators are considered as some of the most practical actuators because they can be driven by a simple electrical power s...
Article
Current stretchable strain sensors possess limited linear working ranges and it is still a formidable challenge to develop sensors that concurrently possess high gauge factors and high stretchability (ε ~ 100%). Herein, we report a facile method for creating unidirectional strain sensors to address the above issues. Using the 3D printing technique,...
Article
Recent advancements in materials science and bioinspired designs have led to the development of wearable strain sensors with high sensitivity and stretchability. However, the majority of strain sensors are simultaneously responsive to strain and temperature variations. Therefore, it is necessary to invent effective strategies to decouple this unwan...
Article
In article number 2001461 by Inkyu Park and co‐workers, a pressure sensor capable of an ultrawide range of pressure sensing is developed based on an optimized microstructure. The pressure distribution of an individuals' hand and feet during power‐lifting is monitored through the fabricated sensor.
Article
Full-text available
Conventional flexible pressure sensors are not suitable for high‐pressure applications due to their low saturation pressure. In this study, an ultra‐wide range pressure sensor is designed based on the optimized microstructure of the polyimide/carbon nanotubes (PI/CNT) nanocomposite film. The sensing range of the pressure sensor is expanded by adopt...
Article
Full-text available
Recent advances in the design and implementation of wearable resistive, capacitive, and optical strain sensors are summarized herein. Wearable and stretchable strain sensors have received extensive research interest due to their applications in personalized healthcare, human motion detection, human–machine interfaces, soft robotics, and beyond. The...
Article
Full-text available
There is an increasing demand for stretchable and wearable strain sensors because of their potentials in human motion detection, healthcare monitoring, and soft robotics. Besides their high stretchability and high sensitivity, the durability of wearable strain sensors under variations in atmospheric conditions is another important consideration for...
Article
Full-text available
Flexible and wearable pressure sensors have attracted tremendous attention due to their wider applications such as human-interfacing and healthcare monitoring. However, it is a great challenge to achieve accurate pressure detection and stability against external stimuli (in particular, bending deformation) over a wide range of pressure from tactile...
Thesis
Full-text available
Soft machines have many applications, ranging from multifunctional wearable medical devices for feedback therapy to prosthetics, non-invasive surgical tools, and soft robots for safe human-robot interaction. High-performance flexible sensors and actuators are the key components of soft machines. Various types of flexible sensors and actuators have...
Article
Full-text available
Soft actuators have demonstrated potential in a range of applications, including soft robotics, artificial muscles, and biomimetic devices. However, the majority of current soft actuators suffer from the lack of real-time sensory feedback, prohibiting their effective sensing and multitask function. Here, a promising strategy is reported to design b...
Article
Full-text available
Wearable transdermal delivery systems have recently received tremendous attention due to their noninvasive, convenient, and prolonged administration of pharmacological agents. Here, the material prospects, fabrication processes, and drug-release mechanisms of these types of therapeutic delivery systems are critically reviewed. The latest progress i...
Article
Full-text available
In article number 1701353, Metin Sitti and co-workers develop bioinspired skin-adhesives composed of microfibrills decorated with conformal and mushroom-shaped tips for strong attachment to dry and wet skin. A high skin-adhesion strength of 18 kPa, along with highly enhanced signal-to-noise quality of integrated wearable strain sensors are achieved...
Article
Full-text available
A facile approach is proposed for superior conformation and adhesion of wearable sensors to dry and wet skin. Bioinspired skin-adhesive films are composed of elastomeric microfibers decorated with conformal and mushroom-shaped vinylsiloxane tips. Strong skin adhesion is achieved by crosslinking the viscous vinylsiloxane tips directly on the skin su...
Article
Full-text available
There is a growing interest in transdermal delivery systems because of their noninvasive, targeted, and on-demand delivery of gene and drugs. However, efficient penetration of therapeutic compounds into the skin is still challenging largely due to the impermeability of the outermost layer of the skin, known as stratum corneum. Recently, there have...
Article
Full-text available
There is an increasing demand for soft actuators because of their importance in soft robotics, artificial muscles, biomimetic devices, and beyond. However, the development of soft actuators capable of low-voltage operation, powerful actuation, and programmable shapechanging is still challenging. In this work, we propose programmable bilayer actuato...
Article
Hybrid quantum systems (HQSs) have attracted several research interests in the last years. In this Letter, we report on the design, fabrication, and characterization of a novel diamond architecture for HQSs that consists of a high quality thin circular diamond membrane with embedded near-surface nitrogen-vacancy centers (NVCs). To demonstrate this...
Article
Full-text available
There is an increasing demand for flexible, skin-attachable, and wearable strain sensors due to their various potential applications. However, achieving strain sensors with both high sensitivity and high stretchability is still a grand challenge. Here, we propose highly sensitive and stretchable strain sensors based on the reversible microcrack for...
Article
Full-text available
Possessing a strong piezoresistivity, nanocomposites of metal nanowires and elastomer have been studied extensively for its use in highly flexible, stretchable, and sensitive sensors. In this work, we analyze the working mechanism and performance of a nanocomposite based stretchable strain sensor by calculating the conductivity of the nanowire perc...
Article
Full-text available
There is a growing demand for flexible and soft electronic devices. In particular, stretchable, skin-mountable, and wearable strain sensors are needed for several potential applications including personalized health-monitoring, human motion detection, human-machine interfaces, soft robotics, and so forth. This Feature Article presents recent advanc...
Article
Full-text available
Super-stretchable, skin-mountable, and ultra-soft strain sensors are presented by using carbon nanotube percolation network-silicone rubber nanocomposite thin films. The applicability of the strain sensors as epidermal electronic systems, in which mechanical compliance like human skin and high stretchability (ε>100%) are required, has been explored...
Conference Paper
Full-text available
Finger motion capturing systems have a wide variety of applications such as telerobotics, rehabilitation, and avatar control. While commercial devices are too costly, studies on such systems are either impractical to use or have speed limitations. This paper proposes a practical version of the glove based finger motion capturing system. This system...
Conference Paper
Full-text available
We developed highly stretchable, flexible and very soft conductors based on the carbon nanotubes (CNTs)-silicone rubber (Ecoflex®) nanocomposite thin films. The resistance of the CNTs-Ecoflex nanocomposite thin film was recovered to its original value under cyclic loading/unloading for strains as large as 510%. Failure strain of the CNTs-Ecoflex na...
Conference Paper
Full-text available
Herein, we develop capacitive type strain sensors composed of CNTs-PDMS nanocomposite thin films as electrodes and PDMS dielectric layer. The strain sensing performances of the strain sensors made of flat and wavy structured electrodes are compared. Both types of strain sensors can measure strains up to 100%. We found that wavy structured based str...
Conference Paper
Full-text available
In this work, we develop high flexible and compressible porous PDMS structures by using sugar cubes as templates. Force sensitive resistor (FSR) sensors were fabricated by the filtration of the CNT solution inside the porous structure of PDMS. We found that sufficient acid treatment can increase the adhesion between CNTs and PDMS. FSR sensors respo...
Article
Full-text available
Silver nanowire (Ag NW) based transparent electrodes are inherently unstable to moist and chemically reactive environment. A remarkable stability improvement of the Ag NW network film against oxidizing and sulfurizing environment by local electrodeposition of Ni along Ag NWs is reported. The optical transmittance and electrical resistance of the Ni...
Article
Silver nanowire (Ag NW) based transparent electrode is inherently unstable to moist and chemically reactive environment. We report a remarkable stability improvement of the Ag NW network film against oxidized and sulfurized environment by local electrodeposition of Ni along Ag NWs. The optical transmittance and electrical resistance of the Ni depos...
Article
Full-text available
The demand for flexible and wearable electronic devices is increasing due to their facile interaction with human body. Flexible, stretchable and wearable sensors can be easily mounted on clothing or directly attached onto the body. Especially, highly stretchable and sensitive strain sensors are needed for the human motion detection. Here, we report...
Conference Paper
Full-text available
In this work, we developed a conductive silver nanowire (AgNW)-PDMS composite thin film for a flexible strain sensing application. The piezoresistivity of AgNWs-PDMS nanocomposite thin film was experimentally investigated and analyzed by a computational model. The strain sensor shows a strong piezoresistivity with an average gauge factor in the ran...
Conference Paper
Full-text available
In this paper, the behaviour of conical flame in respect to the coupled perturbation of velocity and equivalence ratio has been investigated. Linearized G-equation is utilized to define the flame dynamics. Burning velocity of a pre mixed mixture plays an important role in flame dynamics. Fluctuation of burning velocity due to equivalence ratio os...

Questions

Questions (8)
Question
We are conducting our experiment with 20 um width channels. We are using a punch for making inlet/outlet holes in our PDMS channels. However, there are always some fiber/dusts like residuals blocking our channels. We think that they are PDMS residuals remained in the channels after punching. Is there any way to clean those residuals or avoid making them?

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Projects

Projects (3)
Project
- Bacteria-bot - Drug delivery
Project
- Electrically activated soft actuators - Stimuli-responsive actuators
Project
- Flexible sensors for personalized health monitoring - Stretchable strain sensors for human motion decetion