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10,191 Results Found

  • Review
  • Open Access
85 Citations
14,810 Views
45 Pages

Human Activity Sensing with Wireless Signals: A Survey

  • Jiao Liu,
  • Guanlong Teng and
  • Feng Hong

22 February 2020

Wireless networks have been widely deployed with a high demand for wireless data traffic. The ubiquitous availability of wireless signals brings new opportunities for non-intrusive human activity sensing. To enhance a thorough understanding of existi...

  • Article
  • Open Access
54 Citations
9,155 Views
29 Pages

17 June 2022

Human activity recognition (HAR) has become an intensive research topic in the past decade because of the pervasive user scenarios and the overwhelming development of advanced algorithms and novel sensing approaches. Previous HAR-related sensing surv...

  • Article
  • Open Access
22 Citations
5,577 Views
24 Pages

SALON: Simplified Sensing System for Activity of Daily Living in Ordinary Home

  • Tomokazu Matsui,
  • Kosei Onishi,
  • Shinya Misaki,
  • Manato Fujimoto,
  • Hirohiko Suwa and
  • Keiichi Yasumoto

29 August 2020

As aging populations continue to grow, primarily in developed countries, there are increasing demands for the system that monitors the activities of elderly people while continuing to allow them to pursue their individual, healthy, and independent li...

  • Article
  • Open Access
9 Citations
5,425 Views
25 Pages

Deep Sensing: Inertial and Ambient Sensing for Activity Context Recognition Using Deep Convolutional Neural Networks

  • Abayomi Otebolaku,
  • Timibloudi Enamamu,
  • Ali Alfoudi,
  • Augustine Ikpehai,
  • Jims Marchang and
  • Gyu Myoung Lee

7 July 2020

With the widespread use of embedded sensing capabilities of mobile devices, there has been unprecedented development of context-aware solutions. This allows the proliferation of various intelligent applications, such as those for remote health and li...

  • Communication
  • Open Access
8 Citations
5,811 Views
7 Pages

Quorum Sensing Inhibitory Activity of Giganteone A from Myristica cinnamomea King against Escherichia coli Biosensors

  • Yasodha Sivasothy,
  • Thiba Krishnan,
  • Kok-Gan Chan,
  • Siti Mariam Abdul Wahab,
  • Muhamad Aqmal Othman,
  • Marc Litaudon and
  • Khalijah Awang

Malabaricones A–C (1–3) and giganteone A (4) were isolated from the bark of Myristica cinnamomea King. Their structures were elucidated and characterized by means of NMR and MS spectral analyses. These isolates were evaluated for their anti-quorum se...

  • Article
  • Open Access
13 Citations
6,237 Views
23 Pages

29 November 2020

Mobile sensing has been gaining ground due to the increasing capabilities of mobile and personal devices that are carried around by citizens, giving access to a large variety of data and services based on the way humans interact. Mobile sensing bring...

  • Article
  • Open Access
7 Citations
3,288 Views
24 Pages

Wi-CAS: A Contactless Method for Continuous Indoor Human Activity Sensing Using Wi-Fi Devices

  • Zhanjun Hao,
  • Daiyang Zhang,
  • Xiaochao Dang,
  • Gaoyuan Liu and
  • Yanhong Bai

16 December 2021

With the new coronavirus raging around the world, home isolation has become an effective way to interrupt the spread of the virus. Effective monitoring of people in home isolation has also become a pressing issue. However, the large number of isolate...

  • Article
  • Open Access
16 Citations
3,211 Views
13 Pages

25 September 2023

In the present study, ethanol extract obtained from the mycelial culture of Agrocybe aegerita was evaluated for its antioxidant activity as well for its potential to inhibit the virulence factor responsible for quorum-sensing activity and antibiofilm...

  • Feature Paper
  • Article
  • Open Access
10 Citations
3,564 Views
15 Pages

Fe Doping Enhances the Peroxidase-Like Activity of CuO for Ascorbic Acid Sensing

  • Boyu Yan,
  • Ying Yang,
  • Yinyun Xie,
  • Jinzhao Li and
  • Kun Li

23 May 2023

Although significant advances have been witnessed in the application of nanozymes in recent years, exploring new strategies to enhance the enzyme-like activity of nanozymes is of urgent importance. Herein, we investigate the feasibility of accelerati...

  • Article
  • Open Access
2 Citations
3,767 Views
17 Pages

21 February 2022

The key point on analyzing the data stream measured by fiber optic distributed acoustic sensing (DAS) is signal activity detection separating measured signals from environmental noise. The inability to calculate the threshold for signal activity dete...

  • Review
  • Open Access
20 Citations
5,261 Views
16 Pages

All organisms confront the challenges of maintaining metabolic homeostasis in light of both variabilities in nutrient supplies and energetic costs of different physiologies and behaviors. While all cells are nutrient sensitive, only relative few cell...

  • Article
  • Open Access
3 Citations
2,980 Views
25 Pages

13 November 2023

Effective monitoring of human activity in urban areas is essential for social stability and urban development. Traditional monitoring methods include wearable devices, survey sensor networks, and satellite remote sensing, which may be affected by pri...

  • Article
  • Open Access
1 Citations
4,559 Views
27 Pages

17 April 2025

This work presents a vibration-based non-contact monitoring method to classify the physical activity of a mouse inside a home cage. A novel tuned-beam sensing device is developed to measure low-amplitude activity-induced cage vibrations. The sensing...

  • Systematic Review
  • Open Access
7 Citations
5,540 Views
29 Pages

Activity and Behavioral Recognition Using Sensing Technology in Persons with Parkinson’s Disease or Dementia: An Umbrella Review of the Literature

  • Lydia D. Boyle,
  • Lionel Giriteka,
  • Brice Marty,
  • Lucas Sandgathe,
  • Kristoffer Haugarvoll,
  • Ole Martin Steihaug,
  • Bettina S. Husebo and
  • Monica Patrascu

23 January 2025

Background: With a progressively aging global population, the prevalence of Parkinson’s Disease and dementia will increase, thus multiplying the healthcare burden worldwide. Sensing technology can complement the current measures used for sympto...

  • Article
  • Open Access
9 Citations
4,577 Views
14 Pages

4 September 2018

New approaches to deal with drug-resistant pathogenic bacteria are urgent. We studied the antibacterial effect of chitosans against an Escherichia coli quorum sensing biosensor reporter strain and selected a non-toxic chitosan to evaluate its quorum...

  • Article
  • Open Access
38 Citations
6,315 Views
17 Pages

Antibacterial Activity and Anti-Quorum Sensing Mediated Phenotype in Response to Essential Oil from Melaleuca bracteata Leaves

  • Wenting Wang,
  • Xiaoqin Huang,
  • Huixiang Yang,
  • Xianqian Niu,
  • Dongxiang Li,
  • Chao Yang,
  • Liang Li,
  • Liting Zou,
  • Ziwen Qiu and
  • Yongyu Li
  • + 1 author

14 November 2019

The prominent antibacterial and quorum sensing (QS) inhibition activity of aromatic plants can be used as a novel intervention strategy for attenuating bacterial pathogenicity. In the present work, a total of 29 chemical components were identified in...

  • Article
  • Open Access
85 Citations
7,509 Views
21 Pages

12 November 2021

Smartphones as ubiquitous gadgets are rapidly becoming more intelligent and context-aware as sensing, networking, and processing capabilities advance. These devices provide users with a comprehensive platform to undertake activities such as socializi...

  • Article
  • Open Access
5 Citations
3,783 Views
20 Pages

11 December 2019

The land use structure is a key component to understand the complexity of urban systems because it provides a snapshot of urban dynamics and how people use space. This paper integrates socially sensed activity data with a remotely sensed land cover p...

  • Article
  • Open Access
2 Citations
3,488 Views
16 Pages

Fusion of Unobtrusive Sensing Solutions for Home-Based Activity Recognition and Classification Using Data Mining Models and Methods

  • Idongesit Ekerete,
  • Matias Garcia-Constantino,
  • Alexandros Konios,
  • Mustafa A. Mustafa,
  • Yohanca Diaz-Skeete,
  • Christopher Nugent and
  • James McLaughlin

29 September 2021

This paper proposes the fusion of Unobtrusive Sensing Solutions (USSs) for human Activity Recognition and Classification (ARC) in home environments. It also considers the use of data mining models and methods for cluster-based analysis of datasets ob...

  • Article
  • Open Access
19 Citations
3,566 Views
14 Pages

Anti-Biofilm and Anti-Quorum-Sensing Activity of Inula Extracts: A Strategy for Modulating Chromobacterium violaceum Virulence Factors

  • Petya D. Dimitrova,
  • Viktoria Ivanova,
  • Antoaneta Trendafilova and
  • Tsvetelina Paunova-Krasteva

30 April 2024

The formation of microbial biofilm is a self-organizing process among bacterial cells, regulated by quorum-sensing (QS) mechanisms, contributing to development of infections. These processes, either separately or in combination, significantly contrib...

  • Article
  • Open Access
4 Citations
4,158 Views
20 Pages

23 September 2021

The urothelium displays mechano- and chemosensory functions via numerous receptors and channels. The calcium-sensing receptor (CaSR) detects extracellular calcium and modulates several physiological functions. Nonetheless, information about the expre...

  • Article
  • Open Access
13 Citations
3,337 Views
13 Pages

14 October 2019

Human activities have significantly affected the natural eco-environment, which could lead to land cover changes. The human activity intensity of land surface (HAILS) represent human activity at the regional scale and can be monitored efficiently ove...

  • Article
  • Open Access
103 Citations
13,336 Views
31 Pages

Authentication of Smartphone Users Based on Activity Recognition and Mobile Sensing

  • Muhammad Ehatisham-ul-Haq,
  • Muhammad Awais Azam,
  • Jonathan Loo,
  • Kai Shuang,
  • Syed Islam,
  • Usman Naeem and
  • Yasar Amin

6 September 2017

Smartphones are context-aware devices that provide a compelling platform for ubiquitous computing and assist users in accomplishing many of their routine tasks anytime and anywhere, such as sending and receiving emails. The nature of tasks conducted...

  • Review
  • Open Access
108 Citations
10,761 Views
18 Pages

Fungal Quorum-Sensing Molecules and Inhibitors with Potential Antifungal Activity: A Review

  • Arshad Mehmood,
  • Guorong Liu,
  • Xin Wang,
  • Guannan Meng,
  • Chengtao Wang and
  • Ya Liu

The theory of persisting independent and isolated regarding microorganisms is no longer accepted. To survive and reproduce they have developed several communication platforms within the cells which facilitates them to adapt the surrounding environmen...

  • Article
  • Open Access
42 Citations
4,747 Views
19 Pages

29 July 2022

Propolis is very popular for its beneficial health properties, such as antimicrobial activity and antioxidant effects. It is one of the most long-serving traditional medicines to mankind due to its interesting chemical diversity and therapeutic prope...

  • Review
  • Open Access
174 Citations
17,653 Views
31 Pages

A Review of Virtual Sensing Algorithms for Active Noise Control

  • Danielle Moreau,
  • Ben Cazzolato,
  • Anthony Zander and
  • Cornelis Petersen

3 November 2008

Traditional local active noise control systems minimise the measured acoustic pressure to generate a zone of quiet at the physical error sensor location. The resulting zone of quiet is generally limited in size and this requires the physical error se...

  • Review
  • Open Access
61 Citations
8,393 Views
21 Pages

Nanozymes with Multiple Activities: Prospects in Analytical Sensing

  • Xiangheng Niu,
  • Bangxiang Liu,
  • Panwang Hu,
  • Hengjia Zhu and
  • Mengzhu Wang

16 April 2022

Given the superiorities in catalytic stability, production cost and performance tunability over natural bio-enzymes, artificial nanomaterials featuring enzyme-like characteristics (nanozymes) have drawn extensive attention from the academic community...

  • Article
  • Open Access
10 Citations
3,647 Views
13 Pages

11 April 2023

Monitoring of uric acid (UA) levels in biological samples is of great significance for human health, while the development of a simple and effective method for the precise determination of UA content is still challenging. In the present study, a two-...

  • Communication
  • Open Access
14 Citations
4,688 Views
11 Pages

The Five Basic Human Senses Evoke Electrodermal Activity

  • Dindar S. Bari,
  • Mohammed Noor S. Rammoo,
  • Haval Y. Y. Aldosky,
  • Mohammed K. Jaqsi and
  • Ørjan G. Martinsen

29 September 2023

Electrodermal activity (EDA) usually relates to variations in the electrical properties of palmar or plantar skin sites. EDA responses, namely skin conductance responses (SCRs), skin potential responses (SPRs) and skin susceptance responses (SSRs) ar...

  • Review
  • Open Access
31 Citations
6,348 Views
32 Pages

Self-Sensing Alkali-Activated Materials: A Review

  • Christos Vlachakis,
  • Marcus Perry and
  • Lorena Biondi

6 October 2020

Alkali-activated materials are an emerging technology that can serve as an alternative solution to ordinary Portland cement. Due to their alkaline nature, these materials are inherently more electrically conductive than ordinary Portland cement, and...

  • Article
  • Open Access
12 Citations
3,976 Views
32 Pages

Monitoring the Thermal Activity of Kamchatkan Volcanoes during 2015–2022 Using Remote Sensing

  • Olga Girina,
  • Alexander Manevich,
  • Evgeny Loupian,
  • Ivan Uvarov,
  • Sergey Korolev,
  • Aleksei Sorokin,
  • Iraida Romanova,
  • Lubov Kramareva and
  • Mikhail Burtsev

30 September 2023

The powerful explosive eruptions with large volumes of volcanic ash pose a great danger to the population and jet aircraft. Global experience in monitoring volcanoes and observing changes in the parameters of their thermal anomalies is successfully u...

  • Review
  • Open Access
154 Citations
24,351 Views
28 Pages

17 March 2015

Over the past few decades the increased level of public awareness concerning healthcare, physical activities, safety and environmental sensing has created an emerging need for smart sensor technologies and monitoring devices able to sense, classify,...

  • Article
  • Open Access
3 Citations
3,611 Views
19 Pages

13 October 2018

A single piezoelectric patch can be used as both a sensor and an actuator by means of the self-sensing piezoelectric actuator, and the function of self-sensing shows several advantages in many application fields. However, some problems exist in pract...

  • Article
  • Open Access
3,668 Views
18 Pages

How Does Online Shopping Shape the Sense of Community? The Mediating Role of Various Social Activities

  • Jiayi Jiang,
  • Shi Chen,
  • Huixin Wang,
  • Xinqi Zhuang,
  • Ziang Zheng and
  • Shixian Luo

23 October 2024

The rapid expansion of digital commerce, particularly same-day-delivery and next-day-delivery online shopping, is transforming daily life and community dynamics in urban settings. This study explores how these shopping behaviors impact the sense of c...

  • Review
  • Open Access
880 Views
28 Pages

20 October 2025

Displacement self-sensing active magnetic bearings (AMBs) have garnered significant attention from both academia and industry for their potential to reduce cost, enable system integration, and enhance reliability. While numerous self-sensing methodol...

  • Article
  • Open Access
60 Citations
7,708 Views
15 Pages

Radar Sensing for Activity Classification in Elderly People Exploiting Micro-Doppler Signatures Using Machine Learning

  • William Taylor,
  • Kia Dashtipour,
  • Syed Aziz Shah,
  • Amir Hussain,
  • Qammer H. Abbasi and
  • Muhammad A. Imran

4 June 2021

The health status of an elderly person can be identified by examining the additive effects of aging along with disease linked to it and can lead to ‘unstable incapacity’. This health status is determined by the apparent decline of independence in act...

  • Proceeding Paper
  • Open Access
1 Citations
1,240 Views
6 Pages

Displacement Sensing of an Active String Actuator by an Optical Fiber

  • Weihang Tian,
  • Shuichi Wakimoto,
  • Kazuya Nagaoka,
  • Yorifumi Yoshimoto,
  • Takefumi Kanda and
  • Daisuke Yamaguchi

1 November 2021

We have fabricated a string-shaped actuator called “Active string” that has high contractile displacement/force by accumulating thin pneumatic artificial muscles using the string production process. However, displacement control of the ac...

  • Article
  • Open Access
1 Citations
2,377 Views
27 Pages

22 October 2024

High-resolution topographic and geomorphic data are important basic data for the study of active structures. Here, multisource remote sensing data were used to reinterpret the active faults in the northern segment of the Red River Fault (China). Firs...

  • Article
  • Open Access
30 Citations
5,091 Views
13 Pages

Physical Activity, Resilience, Sense of Coherence and Coping in People with Multiple Sclerosis in the Situation Derived from COVID-19

  • María Mercedes Reguera-García,
  • Cristina Liébana-Presa,
  • Lorena Álvarez-Barrio,
  • Lisa Alves Gomes and
  • Elena Fernández-Martínez

The confinement forced by COVID-19 can have repercussions on the health of people diagnosed with multiple sclerosis. The objective of this study is to analyze the relationships between physical activity, a sense of coherence, resilience and coping am...

  • Article
  • Open Access
8 Citations
4,377 Views
18 Pages

The Validity of MotionSense HRV in Estimating Sedentary Behavior and Physical Activity under Free-Living and Simulated Activity Settings

  • Sunku Kwon,
  • Neng Wan,
  • Ryan D. Burns,
  • Timothy A. Brusseau,
  • Youngwon Kim,
  • Santosh Kumar,
  • Emre Ertin,
  • David W. Wetter,
  • Cho Y. Lam and
  • Wonwoo Byun
  • + 1 author

18 February 2021

MotionSense HRV is a wrist-worn accelerometery-based sensor that is paired with a smartphone and is thus capable of measuring the intensity, duration, and frequency of physical activity (PA). However, little information is available on the validity o...

  • Article
  • Open Access
38 Citations
5,216 Views
12 Pages

A Feasibility Study on Timber Moisture Monitoring Using Piezoceramic Transducer-Enabled Active Sensing

  • Jicheng Zhang,
  • Yong Li,
  • Yongshui Huang,
  • Jinwei Jiang and
  • Siu-Chun M. Ho

14 September 2018

In recent years, the piezoceramic transducer-enabled active sensing technique has been extensively applied to structural damage detection and health monitoring, in civil engineering. Being abundant and renewable, timber has been widely used as a buil...

  • Review
  • Open Access
30 Citations
10,006 Views
26 Pages

Triboelectric Nanogenerators as Active Tactile Stimulators for Multifunctional Sensing and Artificial Synapses

  • Jianhua Zeng,
  • Junqing Zhao,
  • Chengxi Li,
  • Youchao Qi,
  • Guoxu Liu,
  • Xianpeng Fu,
  • Han Zhou and
  • Chi Zhang

27 January 2022

The wearable tactile sensors have attracted great attention in the fields of intelligent robots, healthcare monitors and human-machine interactions. To create active tactile sensors that can directly generate electrical signals in response to stimuli...

  • Article
  • Open Access
26 Citations
9,498 Views
17 Pages

A Self-Sensing Active Magnetic Bearing Based on a Direct Current Measurement Approach

  • Andries C. Niemann,
  • George Van Schoor and
  • Carel P. Du Rand

11 September 2013

Active magnetic bearings (AMBs) have become a key technology in various industrial applications. Self-sensing AMBs provide an integrated sensorless solution for position estimation, consolidating the sensing and actuating functions into a single elec...

  • Article
  • Open Access
25 Citations
4,154 Views
12 Pages

31 May 2019

Timber structures have been widely used due to their low-cost and environmental-friendly properties. It is essential to monitor connection damage to ensure the stability and safety of entire timber structures since timber connection damage may induce...

  • Article
  • Open Access
45 Citations
9,391 Views
32 Pages

10 November 2015

It is a challenging problem to efficiently interpret the large volumes of remotely sensed image data being collected in the current age of remote sensing “big data”. Although human visual interpretation can yield accurate annotation of remote sensing...

  • Article
  • Open Access
1 Citations
6,965 Views
28 Pages

19 May 2015

This article presents: (i) a formal, generic model for active sensing tasks; (ii) the insight that active sensing actions can very often be searched on less than six-dimensional configuration spaces (bringing an exponential reduction in the computati...

  • Article
  • Open Access
3 Citations
4,559 Views
14 Pages

8 October 2014

This paper presents a perturbation/correlation-based active sensing method and its application to sensor node configuration for environment monitoring. Sensor networks are widely used as data measurement tools, especially in dangerous environments. F...

  • Article
  • Open Access
1 Citations
3,564 Views
11 Pages

Development of the Sensing Platform for Protein Tyrosine Kinase Activity

  • Lan-Yi Wei,
  • Wei Lin,
  • Bey-Fen Leo,
  • Lik-Voon Kiew,
  • Chia-Ching Chang and
  • Chiun-Jye Yuan

15 July 2021

A miniature tyrosinase-based electrochemical sensing platform for label-free detection of protein tyrosine kinase activity was developed in this study. The developed miniature sensing platform can detect the substrate peptides for tyrosine kinases, s...

  • Article
  • Open Access
38 Citations
4,317 Views
16 Pages

Electrical and Self-Sensing Properties of Alkali-Activated Slag Composite with Graphite Filler

  • Pavel Rovnaník,
  • Ivo Kusák,
  • Patrik Bayer,
  • Pavel Schmid and
  • Lukáš Fiala

16 May 2019

The electrical properties of concrete are gaining their importance for the application in building construction. In this study, graphite powder was added to alkali-activated slag mortar as an electrically conductive filler in order to enhance the mor...

  • Review
  • Open Access
47 Citations
13,721 Views
22 Pages

Spectrophotometric Assays for Sensing Tyrosinase Activity and Their Applications

  • Yu-Fan Fan,
  • Si-Xing Zhu,
  • Fan-Bin Hou,
  • Dong-Fang Zhao,
  • Qiu-Sha Pan,
  • Yan-Wei Xiang,
  • Xing-Kai Qian,
  • Guang-Bo Ge and
  • Ping Wang

23 August 2021

Tyrosinase (TYR, E.C. 1.14.18.1), a critical enzyme participating in melanogenesis, catalyzes the first two steps in melanin biosynthesis including the ortho-hydroxylation of L-tyrosine and the oxidation of L-DOPA. Previous pharmacological investigat...

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