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27 Results Found

  • Article
  • Open Access
3 Citations
2,283 Views
13 Pages

Band Gap Properties in Metamaterial Beam with Spatially Varying Interval Uncertainties

  • Feiyang He,
  • Zhiyu Shi,
  • Zexin Zhang,
  • Denghui Qian and
  • Xuelei Feng

8 July 2023

First, this study proposed a metamaterial beam model with spatially varying interval density. The interval dynamic equation of this model could be established by incorporating the decomposition results of the interval field based on Karhunen–Lo...

  • Article
  • Open Access
2 Citations
2,183 Views
13 Pages

Intelligent Anti-Seismic Foundation: The Role of Fractal Geometry

  • Ahmad Saoud,
  • Diogo Queiros-Conde,
  • Ahmad Omar and
  • Thomas Michelitsch

Safe and resistant infrastructure is an essential component of public safety. However, existing structures are vulnerable to damage resulting from excessive ground movement due to seismic activity or underground explosions. The aim of this paper, whi...

  • Article
  • Open Access
81 Citations
4,864 Views
20 Pages

8 November 2019

In this study, we developed a glycerol-mediated safe and facile method to synthesize colored titania nanoparticles (NPs) via solution route. Our method is considerably effective and greener than other options currently available. Colored titania NPs...

  • Article
  • Open Access
22 Citations
2,171 Views
10 Pages

31 December 2010

To increase the usage of electric vehicles (EV), a safe and convenient method to charge the vehicles is essential. Recently, an efficient mid range wireless power transfer that uses magnetic resonant coupling, WiTricity, was proposed, and has receive...

  • Article
  • Open Access
3 Citations
2,150 Views
17 Pages

This study focuses on the development of a Ca-Bi-O system (CBO) with efficiency in the degradation of Rhodamine B, which is extremely toxic to many organisms and can have long-term negative consequences if not safely removed from the water. The conve...

  • Article
  • Open Access
27 Citations
5,051 Views
15 Pages

A High Performance All-Textile Wearable Antenna for Wristband Application

  • Asma Ejaz,
  • Iqra Jabeen,
  • Zia Ullah Khan,
  • Akram Alomainy,
  • Khaled Aljaloud,
  • Ali H. Alqahtani,
  • Niamat Hussain,
  • Rifaqat Hussain and
  • Yasar Amin

31 May 2023

A compact, conformal, all-textile wearable antenna is proposed in this paper for the 2.45 GHz ISM (Industrial, Scientific and Medical) band. The integrated design consists of a monopole radiator backed by a 2 × 1 Electromagnetic Band Gap (EBG)...

  • Article
  • Open Access
4 Citations
2,413 Views
11 Pages

A Tunable Frequency Selective Rasorber with Broad Passband and Low Transmission Loss at X-Band

  • Shengnan Shi,
  • Zizhao Chai,
  • Shan Zhang,
  • Yanpeng Shi and
  • Yifei Zhang

24 August 2023

In this paper, we propose a dual-mode frequency selective rasorber (FSR) with tunable transmission and absorption windows at the X-band, which shows a broad passband in each transmission window. The proposed tunable FSR consists of a lossy absorption...

  • Article
  • Open Access
31 Citations
5,154 Views
15 Pages

Near-Infrared Surface-Enhanced Raman Scattering on Silver-Coated Porous Silicon Photonic Crystals

  • Marko Škrabić,
  • Marin Kosović,
  • Marijan Gotić,
  • Lara Mikac,
  • Mile Ivanda and
  • Ozren Gamulin

12 March 2019

Surface-enhanced Raman scattering (SERS) with near-infrared (NIR) excitation offers a safe way for the detection and study of fragile biomolecules. In this work, we present the possibility of using silver-coated porous silicon photonic crystals as SE...

  • Article
  • Open Access
23 Citations
4,488 Views
13 Pages

Traditional photodynamic therapy (PDT) is limited by the penetration depth of visible light. Although the light source has been changed to near infrared, infrared light is unable to overcome the penetration barrier and it is only effective at the sur...

  • Article
  • Open Access
5 Citations
2,685 Views
10 Pages

13 October 2021

The scavenging and detection of sulfur hexafluoride (SF6) decomposition products (SO2, H2S, SO2F2, SOF2) critically matters to the stable and safe operation of gas-insulated switchgear (GIS) equipment. In this paper, the Rh-doped nitrogen vacancy bor...

  • Review
  • Open Access
14 Citations
5,560 Views
24 Pages

Unveiling Versatile Applications and Toxicity Considerations of Graphitic Carbon Nitride

  • Alexandra Paulína Drdanová,
  • Timea Ema Krajčovičová,
  • Miroslav Gál,
  • Katarína Nemčeková,
  • Zuzana Imreová,
  • Jozef Ryba,
  • Monika Naumowicz,
  • Tomáš Homola,
  • Tomáš Mackuľak and
  • Veronika Svitková

Metal-free, low-cost, organic photocatalytic graphitic carbon nitride (g-C3N4) has become a promising and impressive material in numerous scientific fields due to its unique physical and chemical properties. As a semiconductor with a suitable band ga...

  • Feature Paper
  • Article
  • Open Access
29 Citations
5,706 Views
18 Pages

In this work, primidone, a high persistent pharmacological drug typically found in urban wastewaters, was degraded by different ozone combined AOPs using TiO2 P25 and commercial WO3 as photocatalyst. The comparison of processes, kinetics, nature of t...

  • Article
  • Open Access
4 Citations
2,612 Views
11 Pages

Chlorophenols, as a major environmental pollutant, enter water systems through industrial wastewater, agricultural runoff and chemical spills, and they are stable, persistent under natural conditions, and highly hazardous to water resources. The obje...

  • Article
  • Open Access
18 Citations
4,515 Views
10 Pages

Titanium Dioxide Nanotube-Based Oxygen Indicator for Modified Atmosphere Packaging: Efficiency and Accuracy

  • Junwei Wen,
  • Shuting Huang,
  • Yu Sun,
  • Zhengjie Chen,
  • Yixiang Wang,
  • Houbin Li and
  • Xinghai Liu

29 November 2018

Colorimetric oxygen indicators can be applied for non-destructive testing in packaging; especially in modified atmosphere packaging (MAP). In this paper; titanium dioxide (TiO2) nanotube; which is used as a semiconductor photocatalyst in oxygen indic...

  • Protocol
  • Open Access
1 Citations
2,468 Views
13 Pages

9 September 2024

This study explores the effectiveness of community-based exercise programs for individuals with spinal cord injury (SCI) following hospital discharge. Given the rising incidence of SCI, particularly in South Korea, and the associated long-term disabi...

  • Article
  • Open Access
1 Citations
2,256 Views
15 Pages

The effects of Fe-implantation on the electrical characteristics of Au/p-Si Schottky barrier diodes (SBDs) were studied using current–voltage (I–V) and capacitance–voltage (C–V) techniques. The Rutherford Backscattering Spectr...

  • Review
  • Open Access
1 Citations
620 Views
43 Pages

Photocatalytic Degradation of Antibiotics Using Nanomaterials: Mechanisms, Applications, and Future Perspectives

  • Jianwei Liu,
  • Hongwei Ruan,
  • Pengfei Duan,
  • Peng Shao,
  • Yang Zhou,
  • Ying Wang,
  • Yudi Chen,
  • Zhiyong Yan and
  • Yang Liu

29 December 2025

Widespread antibiotic residues in aquatic environments pose escalating threats to ecological stability and human health, highlighting the urgent demand for effective remediation strategies. In recent years, photocatalytic technology based on advanced...

  • Article
  • Open Access
15 Citations
4,497 Views
11 Pages

The available tooth whitening products in the market contain high concentrations of hydrogen peroxide (H2O2) as an active ingredient. Therefore, in order to curb the high H2O2 concentration and instability of liquid H2O2, this study evaluated the eff...

  • Article
  • Open Access
3 Citations
1,476 Views
21 Pages

16 July 2025

Recently, with the development of automation technology in various fields, much research has been conducted on infrared photodetectors, which are the core technology of LiDAR sensors. However, most infrared photodetectors are expensive because they u...

  • Article
  • Open Access
4 Citations
1,937 Views
12 Pages

28 September 2022

The present study describes a cheap, safe, and stable chemical process for the formation of nickel sulphide (NiS) with the use of mixed and single molecular precursors. The production pathway is uncomplicated, energy-efficient, quick, and toxic-free,...

  • Article
  • Open Access
658 Views
23 Pages

Evaluation of Different AI-Based Wave Phase-Resolved Prediction Methods

  • Shunli Cao,
  • Dezheng Yang,
  • Hangyu Chen,
  • Xuewen Ma and
  • Mao Li

18 November 2025

Ensuring the safe operation of marine structures requires accurate phase-resolved wave prediction. However, current studies mostly focus on single-model verification and lack a systematic comparison of mainstream architectures under multiple environm...

  • Article
  • Open Access
3 Citations
1,730 Views
15 Pages

14 September 2024

Photocatalysis technology, as an efficient and safe environmentally friendly purification technique, has garnered significant attention and interest. Traditional TiO2 photocatalytic materials still face limitations in practical applications, hinderin...

  • Review
  • Open Access
16 Citations
5,848 Views
31 Pages

3 January 2025

This review provides a comprehensive analysis of the design, materials, fabrication techniques, and applications of flexible wearable antennas, with a primary focus on their roles in Wireless Body Area Networks (WBANs) and healthcare technologies. We...

  • Article
  • Open Access
17 Citations
3,238 Views
13 Pages

21 September 2022

For a safe environment, humanity should be oriented towards renewable energy technology. Water splitting (WS), utilizing a photoelectrode with suitable thickness, morphology, and conductivity, is essential for efficient hydrogen production. In this r...

  • Article
  • Open Access
17 Citations
3,456 Views
16 Pages

Multifunctional Composite Coatings Based on Photoactive Metal-Oxide Nanopowders (MgO/TiO2) in Hydrophobic Polymer Matrix for Stone Heritage Conservation

  • Victor Fruth,
  • Ligia Todan,
  • Cosmin Iulian Codrea,
  • Iuliana Poenaru,
  • Simona Petrescu,
  • Ludmila Aricov,
  • Madalina Ciobanu,
  • Luiza Jecu,
  • Rodica Mariana Ion and
  • Luminita Predoana

30 September 2021

Multifunctional composite coatings composed of metal oxide nanoparticles dispersed in polymer matrices are an advanced solution to solve the problem of stone heritage deterioration. Their innovative design is meant to be stable, durable, transparent,...

  • Article
  • Open Access
16 Citations
3,007 Views
19 Pages

25 January 2024

Fluorescent graphitic carbon nitride (g-C3N4) doped with various heteroatoms, such as B, P, and S, named Bg-C3N4, Pg-C3N4, and Sg-C3N4, were synthesized with variable band-gap values as diagnostic materials. Furthermore, they were embedded within hya...

  • Article
  • Open Access
9 Citations
4,514 Views
33 Pages

Chemically Modified TiO2 Photocatalysts as an Alternative Disinfection Approach for Municipal Wastewater Treatment Plant Effluents

  • Dimitrios S. Tsoukleris,
  • Maria-Anna Gatou,
  • Nefeli Lagopati,
  • Labrini Sygellou,
  • Dionysios C. Christodouleas,
  • Polycarpos Falaras and
  • Evangelia A. Pavlatou

28 May 2023

Among key issues in municipal wastewater treatment plants (MWTP) is the existence of pathogenic bacteria in the discarded effluents. Conventional disinfectants (ozone, UV irradiation, chlorine) have been insufficient in providing safe water due to th...