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Defect Engineering of Disordered Carbon Anodes with Ultra-High Heteroatom Doping Through a Supermolecule-Mediated Strategy for Potassium-Ion Hybrid Capacitors

Lei Zhao, Shirong Sun, Jinxin Lin, Lei Zhong et al. • Nano-Micro Letters (2023)

Highlights The N/S co-doped lignin-derived porous carbon (NSLPCs) with ultra-high heteroatom doping was prepared through a novel supramolecule-mediated pyrolysis strategy. Covalently bonded graphitic carbon/amorphous carbon intermediates in...

DOAJ Open Access (DOAJ) DOI: 10.1007/s40820-022-01006-0

RETRACTED ARTICLE: A brief comparative examination of tangent hyperbolic hybrid nanofluid through a extending surface: numerical Keller–Box scheme

Wasim Jamshed, M. Prakash, S. Suriya Uma Devi, Rabha W. Ibrahim et al. • Scientific Reports (2021)

Abstract A novel hybrid nanofluid was explored in order to find an efficient heat-transmitting fluid to replace standard fluids and revolutionary nanofluids. By using tangent hyperbolic hybrid combination nanoliquid with non-Newtonian ethyl...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-03392-8

Effect of Heat Input on Microstructure and Hardness Distribution of Laser Welded Si-Al TRIP-Type Steel

Adam Grajcar, Maciej Różański, Sebastian Stano, Aleksander Kowalski et al. • Advances in Materials Science and Engineering (2014)

This study is concerned with issues related to laser welding of Si-Al type TRIP steels with Nb and Ti microadditions. The tests of laser welding of thermomechanically rolled sheet sections were carried out using keyhole welding and a solid-...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/658947

Twins‐like nanodrugs synchronously transport in blood and coalesce inside tumors for sensitive ultrasound imaging and triggerable penetrative drug delivery

Yujun Cai, Gengjia Chen, Minzhao Lin, Bo Li et al. • Aggregate (2024)

Abstract Nanodrugs capable of aggregating in the tumor microenvironment (TME) have demonstrated great efficiency in improving the therapeutic outcome. Among various approaches, the strategy utilizing electrostatic interaction as a driving f...

DOAJ Open Access (DOAJ) DOI: 10.1002/agt2.476

External Thermal Insulation Composite Systems: Critical Parameters for Surface Hygrothermal Behaviour

Eva Barreira, Vasco P. de Freitas • Advances in Materials Science and Engineering (2014)

External Thermal Insulation Composite Systems (ETICS) are often used in Europe. Despite its thermal advantages, low cost, and ease of application, this system has serious problems of biological growth causing the cladding defacement. Recent...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/650752

Simulation and experimental verification of the edge effect of composites on the infiltration process of RTM forming

ZHU Hongye, WANG Xiaoxu, LYU Jixiang, HAO Shulei • Xi'an Gongcheng Daxue xuebao (2025)

To study the influence of edge effects on the resin filling flow pattern in the RTM process of composite materials, the finite element software PAM-RTM was used to simulate and analyze the impregnation process of the blade preforms in RTM.B...

DOAJ Open Access (DOAJ) DOI: 10.13338/j.issn.1674-649x.2025.04.002

Effect of Ageing on a Novel Cobalt-Free Precipitation-Hardenable Martensitic Alloy Produced by SLM: Mechanical, Tribological and Corrosion Behaviour

Inés Pérez-Gonzalo, Florentino Alvarez-Antolin, Alejandro González-Pociño, Luis Borja Peral-Martinez • Journal of Manufacturing and Materials Processing (2025)

This study investigates the mechanical, tribological, and electrochemical behaviour of a novel precipitation-hardenable martensitic alloy produced by selective laser melting (SLM). The alloy was specifically engineered with an optimised com...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmmp9080261

Extraction of nano-crystalline cellulose for development of aerogel: Structural, morphological and antibacterial analysis

Yash Vishnoi, Alok Kumar Trivedi, M.K. Gupta, Harinder Singh et al. • Heliyon (2024)

In the present decades, nanocellulose has been very popular in the field of nanotechnology and is receiving much attention from researchers because of its advantageous physicochemical properties, high aspect ratio, and high specific strengt...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e23846

Silver Nanoparticles Suppress Apple Fire Blight: Antibacterial Activity, Reduced Carbohydrate-Containing EPS Content, and Altered Host Antioxidant Responses

Alexander G. Khina, Maria T. Mukhina, Alexander S. Gordeev, Liliya R. Biktasheva et al. • Plants (2026)

The present study evaluated the phytoprotective activity of silver nanoparticles stabilized with sodium amphopolycarboxyglycinate (AgNPs-APCG) against apple fire blight caused by Erwinia amylovora. A highly colloidally stable AgNPs-APCG dis...

DOAJ Open Access (DOAJ) DOI: 10.3390/plants15203208

Development of a New 24-bit High-Performance Chipless RFID Tag for Accurate Identification in IoT Systems

Kawther Mekki, Omrane Necibi, Noureddine Boulejfen, Samia Larguech et al. • IEEE Access (2023)

Chipless RFID has the potential to bring in a paradigm change in industrial applications, notably in the world of the Internet of Things (IoT). This wireless technology permits distant identification, sensing, and tracking, giving tremendou...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3337151

Heat transfer augmentation of Al2O3-Cu/water hybrid nanofluid in circular duct with inserts

Muluken Biadgelegn Wollele, Harish H.V, Mebratu Assaye • Cogent Engineering (2022)

Nanotechnology has opened up new avenues for industrial efficiency and performance. The Al2O3-Cu/water hybrid nanofluid with and without insert is analyzed numerically and validated to show heat transfer enhancement. A circular duct with in...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311916.2022.2146627

Development of a Portable Electrochemical Platform with Chip-Integrated Gold Electrodes for Detection of Pharmaceutical Pollutants

Miguel Tavares, Álvaro Torrinha, Raquel Queirós, João Piteira et al. • Engineering Proceedings (2023)

Electrochemical portable sensing systems can offer viable support in the analysis of environmental contaminants due to the compactness of their electronic components and overall simplicity of their detection principles. In the present work,...

DOAJ Open Access (DOAJ) DOI: 10.3390/CSAC2023-14900

Facile Synthesis of Propranolol and Novel Derivatives

Vy Anh Tran, Nguyen Hai Tai Tran, Long Giang Bach, Trinh Duy Nguyen et al. • Journal of Chemistry (2020)

Propranolol is one of the first medications of the beta-blocker used for antihypertensive drugs. This study reports the facile route for the synthesis of propranolol and its novel derivatives. Herein, propranolol synthesis proceeded from 1-...

DOAJ Open Access (DOAJ) DOI: 10.1155/2020/9597426

Synthesis and electrochemical characterization of iron oxide/poly(2-methylaniline) nanohybrids for supercapacitor application

Ahmed Ashour M., Essam Doaa, Kabatas Mohamed A. Basyooni-M., Abdel-Khaliek Ahmed A. et al. • Nanotechnology Reviews (2025)

This study reports the synthesis of a nanohybrid material composed of poly(2-methylaniline) (P(2MA)) and iron oxide (Fe2O3) as electrodes for supercapacitors using a simple and cost-effective method. Various characterization techniques were...

DOAJ Open Access (DOAJ) DOI: 10.1515/ntrev-2025-0189