You are currently on the new version of our website. Access the old version .

11,060 Results Found

  • Review
  • Open Access
27 Citations
8,138 Views
24 Pages

Luminescence-Based Optical Sensors Fabricated by Means of the Layer-by-Layer Nano-Assembly Technique

  • Nerea De Acha,
  • Cesar Elosua,
  • Ignacio Matias and
  • Francisco Javier Arregui

6 December 2017

Luminescence-based sensing applications range from agriculture to biology, including medicine and environmental care, which indicates the importance of this technique as a detection tool. Luminescent optical sensors are required to be highly stable,...

  • Technical Note
  • Open Access
7 Citations
2,955 Views
13 Pages

Improved Ionosonde Monitoring of the Sporadic E Layer Using the Frequency Domain Interferometry Technique

  • Tongxin Liu,
  • Guobin Yang,
  • Chen Zhou,
  • Chunhua Jiang,
  • Wei Xu,
  • Binbin Ni and
  • Zhengyu Zhao

15 April 2022

The sporadic E (Es) layer is a thin layer of ion plasma enhancement in the E-region ionosphere, typically at altitudes of 90–120 km with vertical and horizontal extent of several or several tens of kilometers. As the transition region between t...

  • Article
  • Open Access
10 Citations
4,742 Views
14 Pages

Marginal Adaptation Assessment for Two Composite Layering Techniques Using Dye Penetration, AFM, SEM and FTIR: An In-Vitro Comparative Study

  • Andrea Maria Chisnoiu,
  • Marioara Moldovan,
  • Codruta Sarosi,
  • Radu Marcel Chisnoiu,
  • Doina Iulia Rotaru,
  • Ada Gabriela Delean,
  • Ovidiu Pastrav,
  • Alexandrina Muntean,
  • Ioan Petean and
  • Mihaela Pastrav

18 June 2021

Do the new, modern dental resin composites improve the sealing in cavities restorations? The present study was designed to compare the effect of two different, but most used layering techniques of the dental composite in reducing the marginal microle...

  • Article
  • Open Access
2,388 Views
11 Pages

Effect of Low and High Viscosity Composites on Temperature Rise of Premolars Restored through the Bulk-Fill and the Incremental Layering Techniques

  • Roberto De Santis,
  • Vito Gallicchio,
  • Vincenzo Lodato,
  • Sandro Rengo,
  • Alessandra Valletta and
  • Carlo Rengo

13 November 2020

Background: Deep dental cavities can be restored through a single step according to the bulk-fill technique. Due to the great amount of resin to be cured, a main concern is the temperature rise occurring in the pulp chamber, potentially higher than t...

  • Review
  • Open Access
43 Citations
7,831 Views
27 Pages

Layer-by-Layer Cell Encapsulation for Drug Delivery: The History, Technique Basis, and Applications

  • Wenyan Li,
  • Xuejiao Lei,
  • Hua Feng,
  • Bingyun Li,
  • Jiming Kong and
  • Malcolm Xing

The encapsulation of cells with various polyelectrolytes through layer-by-layer (LbL) has become a popular strategy in cellular function engineering. The technique sprang up in 1990s and obtained tremendous advances in multi-functionalized encapsulat...

  • Article
  • Open Access
3 Citations
4,828 Views
16 Pages

Smear Layer Removing and Pulp Dissolving Ability of Sodium Hypochlorite Mixed with Two Etidronate-Containing Irrigants in Continuous Chelation Technique

  • Anna Mikheikina,
  • Ksenia Babina,
  • Maria Polyakova,
  • Vladlena Doroshina,
  • Alexandr Zaytsev,
  • Irina Makeeva and
  • Nina Novozhilova

19 September 2024

The study aimed to assess the effect of two etidronate-containing irrigants and EDTA on the ability of sodium hypochlorite (NaOCl) to remove the smear layer and dissolve organic tissues. This study evaluated the following solutions: distilled water,...

  • Article
  • Open Access
15 Citations
4,943 Views
17 Pages

Measuring Inner Layer Capacitance with the Colloidal Probe Technique

  • Alexander M. Smith,
  • Plinio Maroni,
  • Michal Borkovec and
  • Gregor Trefalt

The colloidal probe technique was used to measure the inner layer capacitance of an electrical double layer. In particular, the forces were measured between silica surfaces and sulfate latex surfaces in solutions of monovalent salts of different alka...

  • Article
  • Open Access
7 Citations
2,361 Views
19 Pages

11 February 2022

A novel method to synthesize large-scale ZnO nanoflower arrays using a protrusion patterned ZnO seed layer was investigated. Different thicknesses of aluminum (Al) film were deposited on the concave patterned sapphire substrate as a sacrificial layer...

  • Article
  • Open Access
6 Citations
2,980 Views
12 Pages

Superficial defects in the insulation layers of aviation cables can cause serious failures of and disasters for aircraft. Considering the critical importance of safety for aircraft, there is a need to develop a nondestructive technique to detect thes...

  • Article
  • Open Access
8 Citations
2,906 Views
14 Pages

22 June 2021

To the best knowledge of the authors, in former studies in the field of measuring volume fraction of gas, oil, and water components in a three-phase flow using gamma radiation technique, the existence of a scale layer has not been considered. The for...

  • Article
  • Open Access
5 Citations
5,090 Views
14 Pages

Deepening Inside the Pictorial Layers of Etruscan Sarcophagus of Hasti Afunei: An Innovative Micro-Sampling Technique for Raman/SERS Analyses

  • Rossella Gagliano Candela,
  • Livia Lombardi,
  • Alessandro Ciccola,
  • Ilaria Serafini,
  • Armandodoriano Bianco,
  • Paolo Postorino,
  • Lorella Pellegrino and
  • Maurizio Bruno

19 September 2019

The Hasti Afunei sarcophagus is a large Etruscan urn, made up of two chalky alabaster monoliths. Dated from the last quarter of the third century BC, it was found in 1826 in the small town of Chiusi (Tuscany- Il Colle place) by a landowner, Pietro Bo...

  • Article
  • Open Access
10 Citations
8,659 Views
9 Pages

4 April 2006

A new and simple method for nanostructuring using conventionalphotolithography and layer expansion or pattern-size reduction technique is presented, whichcan further be applied for the fabrication of different nanostructures and nano-devices. Themeth...

  • Communication
  • Open Access
1 Citations
2,077 Views
28 Pages

11 January 2023

A novel technique using a W-band metasurface for the purpose of transmissive fine powder layer sensing is presented. The proposed technique may allow for the detection, identification, and characterization of inhomogeneous ultrafine powder layers whi...

  • Article
  • Open Access
8 Citations
2,575 Views
22 Pages

15 September 2021

Capacitive energy extraction based on double layer expansion (CDLE) is a renewable method of harvesting energy from the salinity difference between seawater and freshwater. It is based on the change in properties of the electric double layer (EDL) fo...

  • Article
  • Open Access
11 Citations
3,803 Views
17 Pages

9 September 2021

Background: Augmentation of the edentulous atrophic anterior region is a challenging situation. The purpose of this article was to evaluate the effectiveness of a collagenated cortical bone lamina of porcine origin for horizontal ridge augmentation i...

  • Article
  • Open Access
2 Citations
1,229 Views
14 Pages

30 November 2024

In recent years, ensuring communication security at the physical layer has become increasingly important due to the transmission of sensitive information over various networks. Traditional approaches to physical layer security often rely on artificia...

  • Article
  • Open Access
12 Citations
5,151 Views
10 Pages

20 December 2020

Background and objectives: The aims of this study were to delineate the contribution of specific fascial layers of the myofascial unit to myofascial pain and introduce the use of ultrasound-guided fascial layer-specific hydromanipulation (FLuSH) as a...

  • Article
  • Open Access
3 Citations
3,237 Views
18 Pages

New Calculation Technique for Assessment of Smoke Layer Interface in Large Buildings in Connection with the Design of Buildings in the Czech Republic

  • Marek Podkul,
  • Jiri Pokorny,
  • Lenka Brumarova,
  • Dagmar Dlouha,
  • Zuzana Heinzova,
  • Katerina Kubricka,
  • Dawid Szurgacz and
  • Miroslav Fanta

25 May 2022

The sustainability of the indoor environment of buildings is also related to the conditions that arise in the case of fires. Fires in buildings are characterized by the formation of combustion products, which can significantly endanger the life and h...

  • Communication
  • Open Access
4 Citations
3,550 Views
10 Pages

Preparation of Hydrogen Peroxide Sensitive Nanofilms by a Layer-by-Layer Technique

  • Kentaro Yoshida,
  • Tetsuya Ono,
  • Takenori Dairaku,
  • Yoshitomo Kashiwagi and
  • Katsuhiko Sato

15 November 2018

H2O2-sensitive nanofilms composed of DNA and hemin-appended poly(ethyleneimine) (H-PEI) were prepared by a layer-by-layer deposition of DNA and H-PEI through an electrostatic interaction. The (H-PEI/DNA)5 film was decomposed by addition of 10 mM H2O2...

  • Article
  • Open Access
11 Citations
5,411 Views
11 Pages

20 June 2023

Large amounts of water, synthetic dyestuffs and chemicals are used in the wet processes of textile finishing, and at the end of these processes, liquors containing chemical substances create a waste load. For this reason, it is of great importance to...

  • Article
  • Open Access
5 Citations
4,144 Views
11 Pages

The Atomic Layer Etching Technique with Surface Treatment Function for InAlN/GaN Heterostructure

  • Fangzhou Du,
  • Yang Jiang,
  • Zhanxia Wu,
  • Honghao Lu,
  • Jiaqi He,
  • Chuying Tang,
  • Qiaoyu Hu,
  • Kangyao Wen,
  • Xinyi Tang and
  • Qing Wang
  • + 1 author

19 May 2022

This paper studied an atomic layer etching (ALE) technique with a surface treatment function for InAlN/GaN heterostructures with AlN spacer layers. Various parameters were attempted, and 30 s O2 + 15 W BCl3 was chosen as the optimal recipe. The optim...

  • Feature Paper
  • Article
  • Open Access
4 Citations
4,077 Views
20 Pages

A Physical Layer Security Technique for NOMA Systems with MIMO SC-FDE Schemes

  • João Madeira,
  • João Guerreiro,
  • Hugo Serra,
  • Rui Dinis,
  • Paulo Montezuma and
  • Luís Miguel Campos

Current wireless communication systems employ Multi-Input, Multi-Output (MIMO) techniques to increase spectral efficiency, at the cost of higher hardware complexity. Most of these systems continue to employ traditional Orthogonal Multiple Access (OMA...

  • Case Report
  • Open Access
2 Citations
3,384 Views
10 Pages

22 September 2023

Guided bone regeneration surgery always leads to a deformation of the soft tissues consequent to passivation of the flap. In this article, a graftless technique for the restoration of the vestibular depth and for the augmentation of adherent soft tis...

  • Article
  • Open Access
9 Citations
1,638 Views
17 Pages

24 November 2023

Due to the strong disturbance of a mining face, the surrounding rock of the withdrawal roadway is susceptible to deformation and failure, which restricts the safe and efficient evacuation of mining equipment. To resolve this longstanding technical pr...

  • Article
  • Open Access
6 Citations
3,949 Views
12 Pages

Layer-by-Layer (LbL) Surface Augmented Modification of Poly(Styrene/Divinylbenzene)High Internal Phase Emulsion for Carbon Dioxide Capture

  • Muhammad Imran Azman,
  • Jirasuta Chungprempree,
  • Jitima Preechawong,
  • Pornsri Sapsrithong and
  • Manit Nithitanakul

9 July 2021

In this study, we used amines electrolyte solution with layer-by-layer (LbL) technique to modify and increase the CO2 adsorption capacity of highly porous polymer from high internal phase emulsion template polymer. This perspective presents the extra...

  • Article
  • Open Access
18 Citations
3,677 Views
14 Pages

Phase Separation within a Thin Layer of Polymer Solution as Prompt Technique to Predict Membrane Morphology and Transport Properties

  • Tatiana Anokhina,
  • Ilya Borisov,
  • Alexey Yushkin,
  • Gleb Vaganov,
  • Andrey Didenko and
  • Alexey Volkov

25 November 2020

In this work, the precipitation of a thin layer of a polymer solution was proposed to imitate the process of asymmetric membrane formation by a non-solvent induced phase separation (NIPS) technique. The phase inversion within the thin (<500 μm)...

  • Article
  • Open Access
2 Citations
6,885 Views
18 Pages

Lip Reconstruction by Double Layer and Double Flap New Combination Technique: A Case Series

  • Antonio Cortese,
  • Salvatore Catalano,
  • Antonio Alberto Maria Giunta,
  • Antonio Borri,
  • Daniele Panetta and
  • Pier Paolo Claudio

27 January 2022

In the past, lip reconstruction after ablative surgery has been performed by primary closure and more recently by free flap transfer technique. Cheek’s skin flap has been used to reconstruct the lower lip cutaneous portion. This study presents...

  • Article
  • Open Access
2 Citations
4,171 Views
26 Pages

6 December 2019

Directional modulation (DM), as an emerging promising physical layer security (PLS) technique at the transmitter side with the help of an antenna array, has developed rapidly over decades. In this study, a DM technique using a polarization sensitive...

  • Article
  • Open Access
15 Citations
4,145 Views
13 Pages

27 September 2020

A new colorimetric sensor based on gold/silver bimetallic nanoparticles (Au–Ag BNPs) for the sensitive and selective detection of mercury (II) was developed. Gold nanoparticles (AuNPs) were synthesized by Turkevich method. The surface modificat...

  • Feature Paper
  • Article
  • Open Access
8 Citations
3,047 Views
15 Pages

17 July 2019

Voltage variations of electric double-layer capacitors (EDLCs) are rather wider than those of traditional rechargeable batteries, and an energy utilization ratio of EDLCs is dependent on cells’ voltage variation ranges. To satisfactorily utiliz...

  • Article
  • Open Access
2 Citations
1,846 Views
14 Pages

23 June 2022

In our previous paper we have presented the new prototype equipment and introduced a new analytical technique—high-performance/high-pressure layer electrochromatography (HPLEC), a combination of overpressured-layer chromatography (OPLC) and pre...

  • Article
  • Open Access
2 Citations
2,502 Views
12 Pages

1 April 2025

(1) Background: Achieving a complete and secure dural closure to prevent cerebrospinal fluid (CSF) leakage is a critical concern in microvascular decompression (MVD). Proper dural closure minimizes complications, such as infections caused by CSF leak...

  • Article
  • Open Access
5 Citations
3,185 Views
13 Pages

25 October 2019

In this paper, we propose a pseudo-random beamforming (PRBF) technique for improving physical-layer security (PLS) in multiple input multiple output (MIMO) downlink cellular networks consisting of a legitimate base station (BS), multiple legitimate m...

  • Article
  • Open Access
21 Citations
4,103 Views
15 Pages

Layer-By-Layer Self-Assembled Dip Coating for Antifouling Functionalized Finishing of Cotton Textile

  • Sana Javaid,
  • Azhar Mahmood,
  • Habib Nasir,
  • Mudassir Iqbal,
  • Naveed Ahmed and
  • Nasir M. Ahmad

22 June 2022

The fouling of surfaces such as textiles is a major health challenge, and there is a continuous effort to develop materials and processes to overcome it. In consideration of this, this study regards the development of antifouling functional nanoencap...

  • Article
  • Open Access
9 Citations
3,125 Views
17 Pages

5 October 2023

Deep learning techniques have revolutionized the field of artificial intelligence by enabling accurate predictions of complex natural scenarios. This paper proposes a novel convolutional neural network (CNN) model that involves deep learning technolo...

  • Article
  • Open Access
118 Citations
10,156 Views
23 Pages

Lung carcinoma is the most common cancer in men and second in women (preceded by breast cancer) worldwide. Around 1 in 10 of all cancers diagnosed in men, lung cancer contributed to a total fraction of 20% cancer deaths. Naringenin (NAR) is well know...

  • Article
  • Open Access
4 Citations
2,619 Views
21 Pages

Blockchain technology has impacted various sectors and is transforming them through its decentralized, immutable, transparent, smart contracts (automatically executing digital agreements) and traceable attributes. Due to the adoption of blockchain te...

  • Article
  • Open Access
1 Citations
2,237 Views
13 Pages

18 December 2024

Fire hazards are an increasing concern in several high-tech industries of public importance, particularly where textile fabrics are used in abundance. In this study, a novel layer by layer deposition method was utilized to develop a fire-retardant co...

  • Article
  • Open Access
4,373 Views
12 Pages

19 February 2025

Epitaxial layers of water-soluble Sr3Al2O6 were fabricated as sacrificial layers on SrTiO3 (100) single-crystal substrates using the Pulsed Laser Deposition technique. This approach envisages the possibility of developing a new generation of micro-So...

  • Article
  • Open Access
7 Citations
3,039 Views
17 Pages

A New Method to Determine the Optimal Thin Layer Ionospheric Height and Its Application in the Polar Regions

  • Hu Jiang,
  • Shuanggen Jin,
  • Manuel Hernández-Pajares,
  • Hui Xi,
  • Jiachun An,
  • Zemin Wang,
  • Xueyong Xu and
  • Houxuan Yan

23 June 2021

The conversion between the line-of-sight slant total electron content (STEC) and the vertical total electron content (VTEC) depends on the mapping function (MF) under the widely used thin layer ionospheric model. The thin layer ionospheric height (TL...

  • Feature Paper
  • Article
  • Open Access
14 Citations
3,005 Views
10 Pages

18 December 2019

The purpose of this study was to compare the histologic and radiologic differences between single- and double-layer collagen membrane techniques in flapless ridge preservation. The mandibular fourth premolar and first molar of four beagle dogs were u...

  • Article
  • Open Access
2 Citations
1,777 Views
25 Pages

A Double-Layer Indemnity Enhancement Using LSTM and HASH Function Technique for Intrusion Detection System

  • Abdullah Marish Ali,
  • Fahad Alqurashi,
  • Fawaz Jaber Alsolami and
  • Sana Qaiyum

13 September 2023

The Intrusion Detection System (IDS) is the most widely used network security mechanism for distinguishing between normal and malicious traffic network activities. It aids network security in that it may identify unforeseen hazards in network traffic...

  • Article
  • Open Access
9 Citations
3,003 Views
19 Pages

Modification Approaches of Polyphenylene Oxide Membranes to Enhance Nanofiltration Performance

  • Mariia Dmitrenko,
  • Xeniya Sushkova,
  • Anastasia Chepeleva,
  • Vladislav Liamin,
  • Olga Mikhailovskaya,
  • Anna Kuzminova,
  • Konstantin Semenov,
  • Sergey Ermakov and
  • Anastasia Penkova

Presently, water pollution poses a serious threat to the environment; the removal of organic pollutants from resources, especially dyes, is very important. Nanofiltration (NF) is a promising membrane method to carry out this task. In the present work...

  • Article
  • Open Access
672 Views
14 Pages

DNA Type Influence on Properties of Thin Layer of DNA Complexes

  • Aleksandra Radko,
  • Katarzyna Makyła-Juzak,
  • Robert Ekiert,
  • Julia Chudzik,
  • Dagmara Sokołowska,
  • Sebastian Lalik and
  • Monika Marzec

26 June 2025

In the search for new functional materials, strong emphasis is placed on the ecological aspect, which is why thin layers of materials based on deoxyribonucleic acid (DNA) are fascinating from the point of view of applications. Thin layers of DNA–cati...

  • Article
  • Open Access
11 Citations
3,593 Views
16 Pages

Evaluation of SnS:Cu Thin Film Properties Obtained by USP Technique to Implement It as an Absorbent Layer in Solar Cells Using SCAPS

  • Sergio Rodríguez-Castro,
  • Carlos Álvarez-Macías,
  • Michel Rivero,
  • Lizbeth Salgado-Conrado,
  • Rodrigo Loera-Palomo,
  • Bernardo Reyes-Durán and
  • Jorge Narro-Ríos

23 June 2021

Tin sulfide doped with copper (SnS:Cu) thin films were deposited on glass substrates by the ultrasonic spray pyrolysis (USP) technique at different concentration ratios (y = [Cu]/[Sn] = 0% (undoped), 2%, 5% and 10%). The aim of this work is to analyz...

  • Article
  • Open Access
814 Views
15 Pages

5 October 2025

Two gold-decorated wooden sculptures of Qing Dynasty collected in Qianjiang Cultural Administration Institute, Chongqing, China, holds significant cultural value. Although in appearance they were preserved completely, the wooden bodies exhibited a ce...

  • Feature Paper
  • Article
  • Open Access
51 Citations
6,738 Views
12 Pages

Atomic Layer-Deposited Al-Doped ZnO Thin Films for Display Applications

  • Dimitre Dimitrov,
  • Che-Liang Tsai,
  • Stefan Petrov,
  • Vera Marinova,
  • Dimitrina Petrova,
  • Blagovest Napoleonov,
  • Blagoy Blagoev,
  • Velichka Strijkova,
  • Ken Yuh Hsu and
  • Shiuan Huei Lin

The integration of high uniformity, conformal and compact transparent conductive layers into next generation indium tin oxide (ITO)-free optoelectronics, including wearable and bendable structures, is a huge challenge. In this study, we demonstrate t...

  • Article
  • Open Access
8 Citations
3,862 Views
17 Pages

Performance of Layer-by-Layer-Modified Multibore® Ultrafiltration Capillary Membranes for Salt Retention and Removal of Antibiotic Resistance Genes

  • Robert Niestroj-Pahl,
  • Lara Stelmaszyk,
  • Ibrahim M. A. ElSherbiny,
  • Hussein Abuelgasim,
  • Michaela Krug,
  • Christian Staaks,
  • Greta Birkholz,
  • Harald Horn,
  • Tian Li and
  • Stefan Panglisch
  • + 2 authors

6 December 2020

Polyether sulfone Multibore® ultrafiltration membranes were modified using polyelectrolyte multilayers via the layer-by-layer (LbL) technique in order to increase their rejection capabilities towards salts and antibiotic resistance genes. The mod...

  • Article
  • Open Access
3 Citations
1,833 Views
18 Pages

The objective of this study is to create a planar solar light absorber that exhibits exceptional absorption characteristics spanning from visible light to infrared across an ultra-wide spectral range. The eight layered structures of the absorber, fro...

  • Article
  • Open Access
58 Citations
14,352 Views
9 Pages

Manufacturing the Gas Diffusion Layer for PEM Fuel Cell Using a Novel 3D Printing Technique and Critical Assessment of the Challenges Encountered

  • Arunkumar Jayakumar,
  • Sarat Singamneni,
  • Maximiano Ramos,
  • Ahmed M Al-Jumaily and
  • Sethu Sundar Pethaiah

14 July 2017

The conventional gas diffusion layer (GDL) of polymer electrolyte membrane (PEM) fuel cells incorporates a carbon-based substrate, which suffers from electrochemical oxidation as well as mechanical degradation, resulting in reduced durability and per...

of 222