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13,572 Results Found

  • Article
  • Open Access
31 Citations
4,686 Views
9 Pages

18 December 2020

In this work, a paper device consisted of a patterned paper chip, wicking pads, and a base was fabricated. On the paper chip, DNA–gold nanoparticles (DNA–AuNPs) were deposited and Hg2+ ions could be adsorbed by the DNA–AuNPs. The fo...

  • Article
  • Open Access
31 Citations
8,674 Views
16 Pages

The sparse distribution of targets in monitored areas is an important prior for device-free localization (DFL) with radio tomography networks. In this article, our goal is to develop an enhanced sparse representation-based DFL method that takes the f...

  • Article
  • Open Access
22 Citations
5,672 Views
18 Pages

28 February 2022

This paper employs a unique sensor fusion (SF) approach to detect a COVID-19 suspect and the enhanced MobileNetV2 model is used for face mask detection on an Internet-of-Things (IoT) platform. The SF algorithm avoids incorrect predictions of the susp...

  • Article
  • Open Access
8 Citations
5,801 Views
14 Pages

8 May 2018

Mobile devices are often used in our daily lives for the purposes of speech and communication. The speech quality of mobile devices is always degraded due to the environmental noises surrounding mobile device users. Regretfully, an effective backgrou...

  • Article
  • Open Access
2 Citations
2,949 Views
21 Pages

Marine Natural Gas Hydrate Self-Entry Exploitation Device: Evaluation of Production Enhancement Measures

  • Jianhua Wang,
  • Hongyu Ye,
  • Jingyu Chen,
  • Qichao Huang,
  • Gaoqiang Guo,
  • Xuhong Huang,
  • Mucong Zi,
  • Dayong Li and
  • Xuezhen Wu

Test exploitation equipment and technology have progressed considerably in marine natural gas hydrate (NGH) exploitation, but many critical technical issues still need to be resolved before commercial production. Previous studies have proposed a non-...

  • Article
  • Open Access
7 Citations
1,996 Views
19 Pages

An Enhanced Feature-Fusion Network for Small-Scale Pedestrian Detection on Edge Devices

  • Min Hu,
  • Yaorong Zhang,
  • Teng Jiao,
  • Huijun Xue,
  • Xue Wu,
  • Jianguo Luo,
  • Shipeng Han and
  • Hao Lv

15 November 2024

Small-scale pedestrian detection is one of the challenges in general object detection. Factors such as complex backgrounds, long distances, and low-light conditions make the image features of small-scale pedestrians less distinct, further increasing...

  • Feature Paper
  • Review
  • Open Access
8 Citations
3,825 Views
21 Pages

Ultrasonic Enhancement for Mineral Flotation: Technology, Device, and Engineering Applications

  • Xiaoou Zhang,
  • Huaigang Cheng,
  • Kai Xu,
  • Danjing Ding,
  • Xin Wang,
  • Bo Wang and
  • Zhuohui Ma

30 September 2024

In the past five years, the number of articles related to ultrasonic mineral flotation has increased by about 50 per year, and the overall trend is on the rise. The most recent developments in ultrasonics for flotation process intensification are rev...

  • Article
  • Open Access
48 Citations
6,532 Views
15 Pages

21 April 2016

The heat transfer enhancement and entropy generation of Al2O3-water nanofluids laminar convective flow in the microchannels with flow control devices (cylinder, rectangle, protrusion, and v-groove) were investigated in this research. The effects of t...

  • Article
  • Open Access
6 Citations
2,935 Views
14 Pages

10 October 2020

This paper proposes a novel technique to improve a spectral statistical filter for speech enhancement, to be applied in wearable hearing devices such as hearing aids. The proposed method is implemented considering a 32-channel uniform polyphase discr...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,493 Views
24 Pages

7 September 2020

The currently deployed terrestrial wireless networks experience difficulties while coping with the massive connectivity demands of coexisting users and devices. The addition of satellite segments has been proposed as a viable way of providing improve...

  • Article
  • Open Access
4 Citations
2,733 Views
17 Pages

7 October 2023

Underwater autonomous driving devices, such as autonomous underwater vehicles (AUVs), rely on visual sensors, but visual images tend to produce color aberrations and a high turbidity due to the scattering and absorption of underwater light. To addres...

  • Article
  • Open Access
14 Citations
5,894 Views
14 Pages

22 March 2018

Nowadays, the use of plasmonic metal layers to improve the photonic emission characteristics of several semiconductor quantum dots is a booming tool. In this work, we report the use of silicon quantum dots (SiQDs) embedded in a silicon nitride thin f...

  • Technical Note
  • Open Access
9 Citations
4,563 Views
19 Pages

Modulation Spectral Signal Representation for Quality Measurement and Enhancement of Wearable Device Data: A Technical Note

  • Abhishek Tiwari,
  • Raymundo Cassani,
  • Shruti Kshirsagar,
  • Diana P. Tobon,
  • Yi Zhu and
  • Tiago H. Falk

17 June 2022

Wearable devices are burgeoning, and applications across numerous verticals are emerging, including human performance monitoring, at-home patient monitoring, and health tracking, to name a few. Off-the-shelf wearables have been developed with focus o...

  • Article
  • Open Access
19 Citations
8,552 Views
11 Pages

An Electroporation Device with Microbead-Enhanced Electric Field for Bacterial Inactivation

  • Sanam Pudasaini,
  • A. T. K. Perera,
  • Syed. S. U. Ahmed,
  • Yong Bing Chong,
  • Sum Huan Ng and
  • Chun Yang

This paper presents an electroporation device with high bacterial inactivation performance (~4.75 log removal). Inside the device, insulating silica microbeads are densely packed between two mesh electrodes that enable enhancement of the local electr...

  • Article
  • Open Access
14 Citations
5,737 Views
14 Pages

Enhanced Adhesion—Efficient Demolding Integration DLP 3D Printing Device

  • Ting Jiang,
  • Bo Yan,
  • Minzheng Jiang,
  • Buguang Xu,
  • Yi Xu,
  • Yueqiang Yu,
  • Tingang Ma and
  • Hao Wang

22 July 2022

A novel forming method of enhanced adhesion-efficient demolding integration is proposed to solve the problems of weak adhesion between the initial forming layer and the printing platform as well as the excessive stripping force at the bottom of the l...

  • Article
  • Open Access
9 Citations
5,765 Views
9 Pages

Enhanced Throughput for Electrokinetic Manipulation of Particles and Cells in a Stacked Microfluidic Device

  • Lin Zhu,
  • Saurin H. Patel,
  • Mark Johnson,
  • Akshay Kale,
  • Yash Raval,
  • Tzuen-Rong Tzeng and
  • Xiangchun Xuan

1 September 2016

Electrokinetic manipulation refers to the control of particle and cell motions using an electric field. It is an efficient technique for microfluidic applications with the ease of operation and integration. It, however, suffers from an intrinsic draw...

  • Article
  • Open Access
1 Citations
2,444 Views
14 Pages

29 January 2025

This paper presents a novel microfluidic device that integrates dielectrophoresis (DEP) forces with a membrane filter to concentrate and trap microparticles in a narrow region for enhanced optical analysis. The device combines the broad particle capt...

  • Communication
  • Open Access
2 Citations
1,578 Views
11 Pages

Plasmon-Enhanced Visible and Near-Infrared Photodetection with Gold Nanorods UCNPs/MoS2 Hybrid Device

  • Haitao Wei,
  • Bowen Lv,
  • Mengya Zhang,
  • Xiangzhe Zhang,
  • Xingheng Yan,
  • Junhao Cai,
  • Yaping Yang and
  • Tongcheng Yu

The near-infrared photodetection of monolayer MoS2 can be achieved using upconverted nanoparticles (UCNPs). Herein, we demonstrated that gold nanorods (Au NRs) further enhanced the near-infrared photoresponsivity of a hybrid device via the surface pl...

  • Article
  • Open Access
1 Citations
1,887 Views
26 Pages

Evolution towards Coordinated Multi-Point Architecture in Self-Organizing Networks for Small Cell Enhancement Systems

  • Chia-Lun Wu,
  • Tsung-Tao Lu,
  • Chin-Tan Lee,
  • Jwo-Shiun Sun,
  • Hsin-Piao Lin,
  • Yuh-Shyan Hwang and
  • Wen-Tsai Sung

This paper explores applications of the coordinated multi-point (CoMP) architecture operation of enhanced node B (eNB) in wireless communication networks featuring device-to-device (D2D) signaling. This is applied to cellular phone coverage for rapid...

  • Review
  • Open Access
30 Citations
6,068 Views
31 Pages

Enhancement of the Detection Performance of Paper-Based Analytical Devices by Nanomaterials

  • Renzhu Pang,
  • Qunyan Zhu,
  • Jia Wei,
  • Xianying Meng and
  • Zhenxin Wang

14 January 2022

Paper-based analytical devices (PADs), including lateral flow assays (LFAs), dipstick assays and microfluidic PADs (μPADs), have a great impact on the healthcare realm and environmental monitoring. This is especially evident in developing countrie...

  • Article
  • Open Access
3 Citations
1,448 Views
18 Pages

29 November 2024

Advancements in deep learning and infrared sensors have facilitated the integration of RGB-thermal (RGBT) tracking technology in computer vision. However, contemporary RGBT tracking methods handle complex image data, resulting in inference procedures...

  • Article
  • Open Access
34 Citations
9,427 Views
12 Pages

27 September 2019

A passive microvalve has appealing advantages in cost-effective and miniaturized microfluidic applications. In this work, we present a passive flow regulatory device for enhanced flow control in a microfluidic environment. The device was integrated w...

  • Article
  • Open Access
3 Citations
2,141 Views
18 Pages

21 December 2023

The precise and real-time detection of vulnerable road users (VRUs) using infrastructure-sensors-enabled devices is crucial for the advancement of intelligent traffic monitoring systems. To overcome the prevalent inefficiencies in VRU detection, this...

  • Article
  • Open Access
4 Citations
5,285 Views
27 Pages

The Development of a Cost-Effective Imaging Device Based on Thermographic Technology

  • Ivo Stančić,
  • Ana Kuzmanić Skelin,
  • Josip Musić and
  • Mojmil Cecić

9 May 2023

Thermal vision-based devices are nowadays used in a number of industries, ranging from the automotive industry, surveillance, navigation, fire detection, and rescue missions to precision agriculture. This work describes the development of a low-cost...

  • Article
  • Open Access
706 Views
17 Pages

Conventional ultraviolet microplasma sources typically lack a back-reflection structure, resulting in radiative power loss from the backside. To enhance the emission efficiency of ultraviolet microplasma devices around 220 nm, we propose a multilayer...

  • Article
  • Open Access
2 Citations
1,206 Views
24 Pages

Enhanced Voltage Stability and Fault Ride-Through Capability in Wind Energy Systems Using FACTS Device Integration

  • Khush N. Patel,
  • Nilaykumar A. Patel,
  • Jignesh Patel,
  • Jigar Sarda and
  • Mangal Sain

3 September 2025

In modern power systems, FACTS tools are essential for addressing voltage variation along with fault ride-through (FRT) challenges within the electrical power systems, particularly for wind generation integration. Several prominent publications empha...

  • Article
  • Open Access
7 Citations
11,810 Views
16 Pages

An ultra-low-voltage low-power switched-capacitor (SC) delta-sigma (ΔΣ) modulator running at a supply voltage as low as 300 mV is presented for biomedical implant devices, e.g., cardiac pacemakers. To reduce the supply voltage, an inverter-based ampl...

  • Article
  • Open Access
1 Citations
3,247 Views
20 Pages

This paper presents an intelligent navigation wearable device for visually impaired individuals. The system aims to improve their independent travel capabilities and reduce the negative emotional impacts associated with visible disability indicators...

  • Review
  • Open Access
13 Citations
3,332 Views
38 Pages

The rapid evolution of optoelectronic devices necessitates innovative fabrication techniques to improve their performance and functionality. This review explores the advancements in laser processing as a versatile method for creating micro- and nanos...

  • Review
  • Open Access
20 Citations
8,687 Views
17 Pages

Research Progress and Development Prospects of Enhanced GaN HEMTs

  • Lili Han,
  • Xiansheng Tang,
  • Zhaowei Wang,
  • Weihua Gong,
  • Ruizhan Zhai,
  • Zhongqing Jia and
  • Wei Zhang

4 June 2023

With the development of energy efficiency technologies such as 5G communication and electric vehicles, Si-based GaN microelectronics has entered a stage of rapid industrialization. As a new generation of microwave and millimeter wave devices, High El...

  • Article
  • Open Access
1,100 Views
18 Pages

Novel Pulsed Electromagnetic Field Device for Rapid Structural Health Monitoring: Enhanced Joint Integrity Assessment in Steel Structures

  • Viktors Mironovs,
  • Yulia Usherenko,
  • Vjaceslavs Zemcenkovs,
  • Viktors Kurtenoks,
  • Vjaceslavs Lapkovskis,
  • Dmitrijs Serdjuks and
  • Pavels Stankevics

16 June 2025

This study investigates a novel pulsed electromagnetic field (PEMF) device for dynamic testing and structural health monitoring. The research utilises a PEMF generator CD-1501 with a maximum energy capacity of 0.5 kJ and a flat multifilament coil (IC...

  • Article
  • Open Access
1 Citations
1,381 Views
14 Pages

24 November 2024

There are a series of problems in the drilling process of deep heterogeneous formations, such as severe drilling string vibration, slow rock-breaking drilling speed, and the short practical working life of drill bits. It is urgent to develop supporti...

  • Article
  • Open Access
19 Citations
5,887 Views
15 Pages

Use of Surface-Enhanced Raman Scattering (SERS) Probes to Detect Fatty Acid Receptor Activity in a Microfluidic Device

  • Han Zhang,
  • Wei Zhang,
  • Lifu Xiao,
  • Yan Liu,
  • Timothy A. Gilbertson and
  • Anhong Zhou

8 April 2019

In this study, 4-mercaptobenzoic acid (MBA)-Au nanorods conjugated with a GPR120 antibody were developed as a highly sensitive surface-enhanced Raman spectroscopy (SERS) probe, and were applied to detect the interaction of fatty acids (FA) and their...

  • Review
  • Open Access
6 Citations
4,447 Views
14 Pages

Nano-grating Assisted Light Absorption Enhancement for MSM-PDs Performance Improvement: An Updated Review

  • Narottam Das,
  • Mohammad Nur-E-Alam,
  • Alif Islam and
  • Ain Zulaikha Maslihan Ain

28 November 2021

The primary focus of this review article mainly emphasizes the light absorption enhancement for various nanostructured gratings assisted metal-semiconductor-metal photodetectors (MSM-PDs) that are so far proposed and developed for the improvement of...

  • Article
  • Open Access
6 Citations
4,993 Views
13 Pages

27 February 2023

In this study, a ferroelectric layer was formed on a ferroelectric device via plasma enhanced atomic layer deposition. The device used 50 nm thick TiN as upper and lower electrodes, and an Hf0.5Zr0.5O2 (HZO) ferroelectric material was applied to fabr...

  • Article
  • Open Access
3 Citations
4,342 Views
17 Pages

Design, Testing, and Experimental Validation of a Rotary Vibration-Assisted Polishing Device (RVAPD) for Enhanced Machining and Surface Quality

  • Silin Liu,
  • Yan Gu,
  • Jieqiong Lin,
  • Zisu Xu,
  • Tianyu Gao,
  • Xinyang Liu,
  • Xiaoming Zhang and
  • Bingjin Yu

9 October 2024

A rotary vibration-assisted polishing device (RVAPD) is designed to enhance polishing force by converting PZT’s linear motion into the rotary motion of a central platform via a flexible mechanism, improving material surface quality. The RVAPD i...

  • Review
  • Open Access
1,220 Views
13 Pages

Device-Based Therapies for Refractory Angina

  • Andrea Caffè and
  • Rocco A. Montone

12 November 2025

A substantial proportion of patients with ischemic heart disease continue to experience recurrent or persistent angina despite optimized medical therapy and prior revascularization, highlighting the need for novel and effective treatment strategies....

  • Review
  • Open Access
768 Views
41 Pages

Photoresponsive TiO2/Graphene Hybrid Electrodes for Dual-Function Supercapacitors with Integrated Environmental Sensing Capabilities

  • María C. Cotto,
  • José Ducongé,
  • Francisco Díaz,
  • Iro García,
  • Carlos Neira,
  • Carmen Morant and
  • Francisco Márquez

15 December 2025

This review critically examines photoresponsive supercapacitors based on TiO2/graphene hybrids, with a particular focus on their emerging dual role as energy-storage devices and environmental sensors. We first provide a concise overview of the electr...

  • Article
  • Open Access
1 Citations
730 Views
25 Pages

Mechanism of Enhanced Control and Technological Application of Surrounding Rock Anchoring in Fully Mechanized Caving Face of Extra-Thick Coal Seams

  • Deqiu Wang,
  • Fulian He,
  • Dongdong Chen,
  • Marc Bascompta,
  • Xiao Wang,
  • Chenyu Xu,
  • Bingquan Liu and
  • Wang Tian

17 April 2025

With respect to the problem of the anchorage failure of a broken roof in the roadway of extra-thick coal seams by using a traditional unconstrained pushing anchoring agent, a new anchoring agent installation technology with a push–pull device w...

  • Article
  • Open Access
19 Citations
3,851 Views
12 Pages

A Point-of-Care Testing Device Utilizing Graphene-Enhanced Fiber Optic SPR Sensor for Real-Time Detection of Infectious Pathogens

  • Shiyu Jiang,
  • Siyu Qian,
  • Shunning Zhu,
  • Jinxin Lu,
  • Yunxin Hu,
  • Cheng Zhang,
  • Yikai Geng,
  • Xuefeng Chen,
  • Ying Guo and
  • Shengchun Liu
  • + 3 authors

14 December 2023

Timely detection of highly infectious pathogens is essential for preventing and controlling public health risks. However, most traditional testing instruments require multiple tedious steps and ultimately testing in hospitals and third-party laborato...

  • Article
  • Open Access
4 Citations
2,864 Views
16 Pages

25 April 2023

The effective detection and release of circulating tumor cells (CTCs) are of great significance for cancer diagnosis and monitoring. The microfluidic technique has proved to be a promising method for CTCs isolation and subsequent analysis. However, c...

  • Feature Paper
  • Article
  • Open Access
4 Citations
4,663 Views
16 Pages

Nanoparticle Printing for Microfluidic Applications: Bipolar Electrochemistry and Localized Raman Sensing Spots

  • Alessia Broccoli,
  • Anke R. Vollertsen,
  • Pauline Roels,
  • Aaike van Vugt,
  • Albert van den Berg and
  • Mathieu Odijk

15 February 2023

The local integration of metal nanoparticle films on 3D-structured polydimethylsiloxane (PDMS)-based microfluidic devices is of high importance for applications including electronics, electrochemistry, electrocatalysis, and localized Raman sensing. C...

  • Article
  • Open Access
5 Citations
2,419 Views
9 Pages

Plasmonics Induced Multifunction Optical Device via Hoof-Shaped Subwavelength Structure

  • Kui Wen,
  • Zhaojian Zhang,
  • Xinpeng Jiang,
  • Jie He and
  • Junbo Yang

15 April 2020

The electromagnetic spectrum includes the frequency range (spectrum) of electromagnetic radiation and its corresponding wavelength and energy. Due to the unique properties of different frequency ranges of the electromagnetic spectrum, a series of fun...

  • Review
  • Open Access
90 Citations
6,736 Views
25 Pages

Federated learning (FL) provides a distributed machine learning system that enables participants to train using local data to create a shared model by eliminating the requirement of data sharing. In healthcare systems, FL allows Medical Internet of T...

  • Article
  • Open Access
1 Citations
1,898 Views
18 Pages

This study developed and evaluated a novel upper-limb rehabilitation device that integrates piano playing into task-oriented occupational therapy, addressing the limitations of traditional continuous passive motion (CPM) training in patient engagemen...

  • Technical Note
  • Open Access
9 Citations
6,765 Views
23 Pages

Development of a Modular Adjustable Wearable Haptic Device for XR Applications

  • Ali Najm,
  • Domna Banakou and
  • Despina Michael-Grigoriou

Current XR applications move beyond audiovisual information, with haptic feedback rapidly gaining ground. However, current haptic devices are still evolving and often struggle to combine key desired features in a balanced way. In this paper, we propo...

  • Article
  • Open Access
14 Citations
4,371 Views
15 Pages

Enhanced Transdermal Delivery of Bisoprolol Hemifumarate via Combined Effect of Iontophoresis and Chemical Enhancers: Ex Vivo Permeation/In Vivo Pharmacokinetic Studies

  • Mahmoud H. Teaima,
  • Mohamed Azmi Ahmed Mohamed,
  • Randa Tag Abd El Rehem,
  • Saadia A. Tayel,
  • Mohamed A. El-Nabarawi and
  • Shahinaze A. Fouad

Bisoprolol hemifumarate (BH) is an antihypertensive drug that is used as first-line treatment for chronic hypertension and angina pectoris. Our study was performed to enhance the transdermal delivery of BH, a hydrophilic drug active with high molecul...

  • Article
  • Open Access
2 Citations
2,724 Views
21 Pages

3 September 2024

Managing defects in agricultural fruit processing is crucial for maintaining quality and sustainability in the fruit market. This study explores the use of edge devices, web applications, and machine vision algorithms to improve defect reporting and...

  • Article
  • Open Access
23 Citations
4,888 Views
21 Pages

Effect of Varying Expression of EpCAM on the Efficiency of CTCs Detection by SERS-Based Immunomagnetic Optofluidic Device

  • Marta Czaplicka,
  • Krzysztof Niciński,
  • Ariadna Nowicka,
  • Tomasz Szymborski,
  • Izabela Chmielewska,
  • Joanna Trzcińska-Danielewicz,
  • Agnieszka Girstun and
  • Agnieszka Kamińska

10 November 2020

The circulating tumor cells (CTCs) isolation and characterization has a great potential for non-invasive biopsy. In the present research, the surface–enhanced Raman spectroscopy (SERS)-based assay utilizing magnetic nanoparticles and solid SERS...

  • Review
  • Open Access
41 Citations
8,171 Views
31 Pages

Miniaturized Raman Instruments for SERS-Based Point-of-Care Testing on Respiratory Viruses

  • Ahmed Ali,
  • Ezekiel Edward Nettey-Oppong,
  • Elijah Effah,
  • Chan Yeong Yu,
  • Riaz Muhammad,
  • Toufique Ahmed Soomro,
  • Kyung Min Byun and
  • Seung Ho Choi

2 August 2022

As surface-enhanced Raman scattering (SERS) has been used to diagnose several respiratory viruses (e.g., influenza A virus subtypes such as H1N1 and the new coronavirus SARS-CoV-2), SERS is gaining popularity as a method for diagnosing viruses at the...

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