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79 Results Found

  • Article
  • Open Access
2 Citations
1,364 Views
15 Pages

Strain and Electromyography Dual-Mode Stretchable Sensor for Real-Time Monitoring of Joint Movement

  • Hanfei Li,
  • Xiaomeng Zhou,
  • Shouwei Yue,
  • Qiong Tian and ,
  • Qingsong Li,
  • Jianhong Gong,
  • Yong Yang,
  • Fei Han,
  • Hui Wei and
  • Yang Zhao
  • + 6 authors+ 1 author

6 January 2026

Flexible sensors have emerged as critical interfaces for information exchange between soft biological tissues and machines. Here, we present a dual-mode stretchable sensor system capable of synchronous strain and electromyography (EMG) signal detecti...

(This article belongs to the Section B: Biology and Biomedicine)
  • Article
  • Open Access
3 Citations
2,067 Views
13 Pages

Preload-Free Conformal Integration of Tactile Sensors on the Fingertip’s Curved Surface

  • Lei Liu,
  • Peng Ran,
  • Yongyao Li,
  • Tian Tang and ,
  • Yun Hu,
  • Jian Xiao,
  • Daijian Luo,
  • Lu Dai,
  • Yufei Liu and
  • Dapeng Wei
  • + 6 authors+ 1 author

Humans could sensitively perceive and identify objects through dense mechanoreceptors distributed on the skin of curved fingertips. Inspired by this biological structure, this study presents a general conformal integration method for flexible tactile...

(This article belongs to the Special Issue Bionic Engineering Materials and Structural Design)
  • Article
  • Open Access
26 Citations
16,131 Views
14 Pages

Design and Performance of a Pinned Photodiode CMOS Image Sensor Using Reverse Substrate Bias

  • Konstantin D. Stefanov,
  • Andrew S. Clarke,
  • James Ivory and
  • Andrew D. Holland

3 January 2018

A new pinned photodiode (PPD) CMOS image sensor with reverse biased p-type substrate has been developed and characterized. The sensor uses traditional PPDs with one additional deep implantation step to suppress the parasitic reverse currents, and can...

(This article belongs to the Special Issue Special Issue on the 2017 International Image Sensor Workshop (IISW))
  • Article
  • Open Access
27 Citations
6,092 Views
16 Pages

Flexible BaTiO3-PDMS Capacitive Pressure Sensor of High Sensitivity with Gradient Micro-Structure by Laser Engraving and Molding

  • Jiayi Li,
  • Shangbi Chen,
  • Jingyu Zhou,
  • Lei Tang and ,
  • Chenkai Jiang,
  • Dawei Zhang and
  • Bin Sheng
  • + 2 authors+ 0 author

3 August 2023

The significant potential of flexible sensors in various fields such as human health, soft robotics, human–machine interaction, and electronic skin has garnered considerable attention. Capacitive pressure sensor is popular given their mechanica...

(This article belongs to the Special Issue Polymer-Based Flexible Materials)
  • Review
  • Open Access
40 Citations
6,883 Views
15 Pages

4 July 2018

Soft electroactive materials including dielectric elastomer actuators (DEAs) and polyvinyl chloride (PVC) gels have recently been extensively investigated. These smart materials can effectively respond to an electric field, resulting in shape deforma...

(This article belongs to the Section Optics and Lasers)
  • Feature Paper
  • Article
  • Open Access
15 Citations
6,443 Views
9 Pages

2D Optical Gratings Based on Hexagonal Voids on Transparent Elastomeric Substrate

  • Valentina Piccolo,
  • Andrea Chiappini,
  • Cristina Armellini,
  • Mario Barozzi and ,
  • Anna Lukowiak,
  • Pier-John A. Sazio,
  • Alessandro Vaccari,
  • Maurizio Ferrari and
  • Daniele Zonta
  • + 4 authors+ 0 author

10 July 2018

A chromatic vectorial strain sensor constituted by hexagonal voids on transparent elastomeric substrate has been successfully fabricated via soft colloidal lithography. Initially a highly ordered 1.6 microns polystyrene spheres monolayer colloidal cr...

(This article belongs to the Special Issue Glassy Materials Based Microdevices)
  • Article
  • Open Access
20 Citations
4,529 Views
13 Pages

Full Soft Capacitive Omnidirectional Tactile Sensor Based on Micro-Spines Electrode and Hemispheric Dielectric Structure

  • Baochun Xu,
  • Yu Wang,
  • Haoao Cui,
  • Haoran Niu and ,
  • Yijian Liu,
  • Zhongli Li and
  • Da Chen
  • + 2 authors+ 0 author

10 July 2022

Flourishing in recent years, intelligent electronics is desirably pursued in many fields including bio-symbiotic, human physiology regulatory, robot operation, and human–computer interaction. To support this appealing vision, human-like tactile...

(This article belongs to the Special Issue Flexible Biosensors for Health Monitoring)
  • Review
  • Open Access
174 Views
29 Pages

3 November 2026

Cellulose-based gels are emerging as promising soft materials for tactile electronic skin (e-skin) because of their tunable network structures, mechanical compliance, sustainability, and compatibility with ionic and electronic conduction. This review...

(This article belongs to the Special Issue Cellulose-Based Gels: Synthesis, Properties, and Applications (2nd Edition))
  • Article
  • Open Access
2 Citations
2,118 Views
22 Pages

17 April 2025

Tactile sensation across the whole hand, including the fingers and palm, is essential for manipulation and, therefore, is expected to be similarly useful for enabling dexterous robot manipulation. Tactile sensation would ideally be distributed (over...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
17 Citations
5,676 Views
19 Pages

13 December 2023

Optical satellite communications (OSC) downlinks can support much higher bandwidths than radio-frequency channels. However, atmospheric turbulence degrades the optical beam wavefront, leading to reduced data transfer rates. In this study, we propose...

(This article belongs to the Section Optical Communication and Network)
  • Article
  • Open Access
13 Citations
6,816 Views
32 Pages

Integration and Validation of Soft Wearable Robotic Gloves for Sensorimotor Rehabilitation of Human Hand Function

  • Vasiliki Fiska,
  • Konstantinos Mitsopoulos,
  • Vasiliki Mantiou,
  • Vasileia Petronikolou and ,
  • Panagiotis Antoniou,
  • Konstantinos Tagaras,
  • Konstantinos Kasimis,
  • Konstantinos Nizamis,
  • Markos G. Tsipouras and
  • Alkinoos Athanasiou
  • + 7 authors+ 2 authors

9 May 2025

This study aims to present the development of a wearable prototype device consisting of soft robotic gloves (SRGs), its integration into a wearable robotics platform for sensorimotor rehabilitation, and the device’s validation experiments with...

(This article belongs to the Special Issue Human Activity Recognition (HAR) in Healthcare, 2nd Edition)
  • Review
  • Open Access
18 Citations
5,831 Views
38 Pages

15 July 2025

Polymer-based photonic sensors are emerging as cost-effective, scalable alternatives to conventional silicon and glass photonic platforms, offering unique advantages in flexibility, functionality, and manufacturability. This review provides a compreh...

(This article belongs to the Section A: Physics)
  • Article
  • Open Access
54 Citations
10,688 Views
15 Pages

A Wide-Range, Wireless Wearable Inertial Motion Sensing System for Capturing Fast Athletic Biomechanics in Overhead Pitching

  • Michael Lapinski,
  • Carolina Brum Medeiros,
  • Donna Moxley Scarborough,
  • Eric Berkson and ,
  • Thomas J. Gill,
  • Thomas Kepple and
  • Joseph A. Paradiso
  • + 2 authors+ 0 author

21 August 2019

The standard technology used to capture motion for biomechanical analysis in sports has employed marker-based optical systems. While these systems are excellent at providing positional information, they suffer from a limited ability to accurately pro...

(This article belongs to the Special Issue Wearable Sensors and Systems in the IOT)
  • Article
  • Open Access
11 Citations
2,602 Views
23 Pages

23 February 2024

Because large oil-immersed transformers are enclosed by a metal shell, the on-site localization means it is difficult to achieve the accurate location of the patrol micro-robot inside a given transformer. To address this issue, a spatial ultrasonic l...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
569 Views
18 Pages

23 August 2026

Flexible pressure sensors serve as core sensing components for wearable health monitoring systems, electronic skins for soft robots, and flexible human–machine interaction devices. Benefiting from the interfacial electric double-layer polarizat...

(This article belongs to the Special Issue Advances in Pressure Sensors)
  • Article
  • Open Access
45 Citations
7,052 Views
21 Pages

18 September 2019

The respiration rate (RR) is a key vital sign that links to adverse clinical outcomes and has various important uses. However, RR signals have been neglected in many clinical practices for several reasons and it is still difficult to develop low-cost...

(This article belongs to the Special Issue Polymer-Based Flexible Printed Electronics and Sensors)
  • Communication
  • Open Access
1 Citations
1,190 Views
8 Pages

31 January 2026

Colloidal amorphous structures comprise short-range ordered arrays of monodisperse submicrometer-sized particles. They exhibit angle-independent structural color and hence are expected to be promising candidates for advanced color materials. In parti...

(This article belongs to the Section Smart and Functional Polymers)
  • Article
  • Open Access
14 Citations
5,872 Views
18 Pages

17 December 2024

This paper introduces the TacFR-Gripper, a novel reconfigurable soft robotic gripper inspired by the Fin-Ray effect and equipped with tactile skin. The gripper incorporates a four-bar mechanism for accurate finger bending and a reconfigurable design...

(This article belongs to the Section Actuators for Robotics)
  • Article
  • Open Access
6 Citations
2,206 Views
29 Pages

Configurable Multi-Layer Perceptron-Based Soft Sensors on Embedded Field Programmable Gate Arrays: Targeting Diverse Deployment Goals in Fluid Flow Estimation

  • Tianheng Ling,
  • Chao Qian,
  • Theodor Mario Klann,
  • Julian Hoever and ,
  • Lukas Einhaus and
  • Gregor Schiele
  • + 1 author+ 0 author

26 December 2024

This study presents a comprehensive workflow for developing and deploying Multi-Layer Perceptron (MLP)-based soft sensors on embedded FPGAs, addressing diverse deployment objectives. The proposed workflow extends our prior research by introducing gre...

(This article belongs to the Section Intelligent Sensors)
  • Review
  • Open Access
70 Citations
9,099 Views
24 Pages

8 July 2018

Scientific and engineering progress associated with increased interest in healthcare monitoring, therapy, and human-machine interfaces has rapidly accelerated the development of bio-integrated multifunctional devices. Recently, compensation for the c...

(This article belongs to the Special Issue Soft Material-Enabled Electronics for Medicine, Healthcare, and Human-Machine Interfaces)
  • Review
  • Open Access
1 Citations
1,293 Views
27 Pages

13 April 2026

This review focuses on electromagnetic imaging methods widely used in urban geophysics and civil engineering. The rapid growth of the urban population and the increase in the frequency of extreme events related to climate change make novel approaches...

(This article belongs to the Special Issue Modelling Urban Geophysics for Sustainable Infrastructure and Smart Cities)
  • Article
  • Open Access
68 Citations
9,980 Views
16 Pages

14 November 2017

Amperometric biosensors based on the use of glucose oxidase (GOx) are able to combine the robustness of electrochemical techniques with the specificity of biological recognition processes. However, very little information can be found in literature a...

(This article belongs to the Special Issue I3S 2017 Selected Papers)
  • Article
  • Open Access
6 Citations
2,314 Views
10 Pages

High-Resolution Electrohydrodynamic Printing with Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) Conductive Polymers

  • Kaiyun Li,
  • Xiaokai Jia,
  • Jie Cao,
  • Jingkun Xu and ,
  • Haibo Wang and
  • Ximei Liu
  • + 1 author+ 0 author

23 December 2024

Conductive polymer materials, particularly PEDOT:PSS conductive polymers, have gained widespread attention due to their excellent conductivity, processability, and biocompatibility, making them highly applicable in fields such as bioelectrodes, flexi...

(This article belongs to the Special Issue Nano/Micro Additive Lamination Fabrication: Novel Circuits Printing on Substrates)
  • Review
  • Open Access
18 Citations
10,658 Views
37 Pages

Recent Progress in Flexible Microelectrode Arrays for Combined Electrophysiological and Electrochemical Sensing

  • Umisha Siwakoti,
  • Steven A. Jones,
  • Deepak Kumbhare,
  • Xinyan Tracy Cui and
  • Elisa Castagnola

10 February 2025

Understanding brain function requires advanced neural probes to monitor electrical and chemical signaling across multiple timescales and brain regions. Microelectrode arrays (MEAs) are widely used to record neurophysiological activity across various...

(This article belongs to the Special Issue Innovations in Neurochemical and Electrophysiological Sensing: Materials, Devices, and Techniques)
  • Feature Paper
  • Article
  • Open Access
4 Citations
2,128 Views
30 Pages

4 June 2024

In a previous research effort by this group, pseudo engine dynamometer data in multi-dimensional arrays were combined with dynamic equations to form a crank angle resolved engine model compatible with a real-time simulator. The combination of the rea...

(This article belongs to the Section K: State-of-the-Art Energy Related Technologies)
  • Article
  • Open Access
1,012 Views
16 Pages

Wide-Range, Low-Hysteresis Soft Sensor with Architecture-Inspired Design Enabled by Femtosecond Laser-Induced Self-Growth

  • Ziyue Yu,
  • Changhao Ji,
  • Xinyue Gao,
  • Yu Li and ,
  • Cheng Yang,
  • Fawei Guo,
  • Jianglin Fu,
  • Yin Feng,
  • Hongxuan Zhao and
  • Yu Long
  • + 5 authors+ 0 author

29 April 2026

Resolving the dichotomy between wide detection ranges and low mechanical hysteresis remains a critical challenge in flexible electronics, largely governed by the intrinsic viscoelastic creep of polymeric dielectrics. Drawing inspiration from the dist...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
12 Citations
4,603 Views
14 Pages

Integration of Sensing Framework with a Decision Support System for Monitoring Water Quality in Agriculture

  • Siti Nadhirah Zainurin,
  • Wan Zakiah Wan Ismail,
  • Siti Nurul Iman Mahamud,
  • Irneza Ismail and ,
  • Juliza Jamaludin and
  • Nor Azlina Ab. Aziz
  • + 1 author+ 0 author

Water is an essential element for every plant to survive, absorb nutrients, and perform photosynthesis and respiration. If water is polluted, plant growth can be truncated. The aim of this research is to develop a water quality monitoring system for...

(This article belongs to the Section Artificial Intelligence and Digital Agriculture)
  • Review
  • Open Access
2 Citations
956 Views
32 Pages

Biocompatible Thin Films Deposited by Laser Techniques

  • Andrei Teodor Matei and
  • Anita Ioana Visan

28 February 2026

Biocompatible thin films are essential for advancing biomedical devices, as they enhance integration with biological tissues, improve device longevity, and reduce complications. The rapid evolution of both medical needs and materials science has led...

(This article belongs to the Special Issue Laser Techniques for Surface and Interface Engineering: Protocols and Applications in Materials Science)
  • Article
  • Open Access
1 Citations
1,102 Views
41 Pages

10 February 2026

Achieving reliable, grid-scale electricity generation from nuclear fusion, as envisioned by the DEMOnstration Fusion Power Plant (DEMO) and future commercial reactors, requires unprecedented plasma stability and long-term control. This operational go...

(This article belongs to the Special Issue Modern High-Performance Electronic Systems for Advanced Energy Projects and Large-Scale Research Infrastructures)

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