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Mixed Systems of Quaternary Ammonium Foam Drainage Agent with Carbon Quantum Dots and Silica Nanoparticles for Improved Gas Field Performance

Yongqiang Sun, Yongping Zhang, Anqi Wei, Xin Shan et al. • Nanomaterials (2024)

Foam drainage agents enhance gas production by removing wellbore liquids. However, due to the ultra-high salinity environments of the Hechuan gas field (salinity up to 32.5 × 104 mg/L), no foam drainage agent is suitable for this gas field....

DOAJ Open Access (DOAJ) DOI: 10.3390/nano14191590

Design of Inductively Coupled Communication Link for Mooring Systems Based on Dual-Carrier Modulation

Shengzong Zhang, Peng Luo, Zejin Sun, Junlin Pan et al. • Journal of Marine Science and Engineering (2026)

To address the challenge in real-time communication mooring systems where clock synchronization and data transmission are difficult to achieve simultaneously over a single jacketed steel cable loop, this paper develops a dual-carrier induct...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14201898

Engineering Geological Characterization and Microtopographic Controls on Slide–Pipeline Interaction in Steep Submarine Canyons, Qiongdongnan Basin

Hua Tao, Yide Wang, Huajie Yu, Hao Li et al. • Journal of Marine Science and Engineering (2026)

Steep submarine canyons pose challenges to deep-water pipeline routing because of rugged terrain and slide-related hazards. This study integrates 3D seismic data, shipborne and autonomous underwater vehicle bathymetry, sub-bottom profiles, ...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14181720

Tissue-specific responses of antioxidant pathways to poor hygiene conditions in growing pigs divergently selected for feed efficiency

K. Sierżant, M-H. Perruchot, E. Merlot, N. Le Floc’h et al. • BMC Veterinary Research (2019)

Abstract Background Poor hygiene of housing induces a systemic inflammatory response. Because inflammation and oxidative stress are processes that can sustain each other, the ways pigs are able to activate their antioxidant defenses are cri...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12917-019-2107-2

Guidelines for the management of adult penicillin allergy in community and specialist settings in Australia and New Zealand: An AGREE II and Delphi-based approach

Michaela Lucas, MD, FRACP, FRCPA, Jillian Kehoe, MHP BSc (Food Science and Technology), Samantha Stiles, PhD, MPH, MID, BSc, Sandra M. Salter, BPharm, Grad Dip Pharm (Hosp), PhD, FPS et al. • Journal of Allergy and Clinical Immunology: Global (2026)

Background: This guideline was developed in collaboration with the Australasian Society of Clinical Immunology and Allergy (ASCIA), the National Allergy Council and the National Allergy Centre of Excellence (NACE). Despite the abundance of ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jacig.2026.100784

Research of Multi-Rotor UAVs Detailed Autonomous Inspection Technology of Transmission Lines Based on Route Planning

Tong He, Yihui Zeng, Zhuangli Hu • IEEE Access (2019)

With the rapid development of the economy, the scale of transmission networks has been expanding, bring higher demands and challenges on transmission line operation and maintenance. In this paper, the multi-rotor unmanned aerial vehicles (U...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2935551

Advances of Single‐Atomic Cobalt Catalysts in Liquid‐Phase Selective Oxidative Reactions

Jiaquan Li, Kai Wang, Yijiao Jiang, Jun Huang et al. • Small Science (2023)

Single‐atom catalysts (SACs) composed of atomically dispersed metal‐active sites embedded in supporting substrates are attracting increasing attention in liquid‐phase selective oxidation reactions with joint merits of both advanced catalyti...

DOAJ Open Access (DOAJ) DOI: 10.1002/smsc.202300079

A Rechargeable Zinc–Copper Voltaic Battery Built from Cost-Effective Electrodes and Electrolytes

Jose Fernando Florez Gomez, Songyang Chang, Irfan Ullah, Juan C. Velez Reyes et al. • Batteries (2026)

The zinc–copper (Zn-Cu) voltaic battery is the first battery made in human history, but the Cu2+ dissolution issue leads to the reaction’s irreversibility. To tackle this challenge, solid-state electrolytes, ion exchange membranes, and func...

DOAJ Open Access (DOAJ) DOI: 10.3390/batteries12060215

ATIB: Design and Evaluation of an Architecture for Brokered Self-Sovereign Identity Integration and Trust-Enhancing Attribute Aggregation for Service Provider

Andreas Gruner, Alexander Muhle, Christoph Meinel • IEEE Access (2021)

Identity management is a principle component of securing online services. In the advancement of traditional identity management patterns, the identity provider remained a Trusted Third Party (TTP). The service provider and the user need to ...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2021.3116095

Feature Selection and Rule Generation Integrated Learning for Takagi-Sugeno-Kang Fuzzy System and its Application in Medical Data Classification

Xiaoqing Gu, Cong Zhang, Tongguang Ni • IEEE Access (2019)

The rule-based fuzzy systems have successfully applied for numerous medical data classification problems. However, structuring the concise and interpretable fuzzy rules with good classification performance is still a big challenge. To addre...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2954707

GO supported Fe doped Ni(OH)2 hexagonal nanosheets for hydrogen evolution reaction in neutral electrolytes

Junping Hu, Youxing Liu • Materials Research Express (2021)

Exploiting non-noble metals catalysts with excellent performance for hydrogen evolution reaction (HER) has aroused gigantic interest, but still challenges. Herein, we reported the graphene oxide (GO) supported Fe doped Ni(OH) _2 hexagonal n...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/abecad

Identification and evaluation of the effective criteria for detection of congestion in a smart city

Anita Mohanty, Subrat Kumar Mohanty, Bhagyalaxmi Jena, Ambarish G. Mohapatra et al. • IET Communications (2022)

Abstract The delay in transportation of necessary items is due to traffic congestion throughout the world. This is a serious phenomenon which results in waste of time and fuel. The detection of road conditions and dissemination of traffic i...

DOAJ Open Access (DOAJ) DOI: 10.1049/cmu2.12344

Dynamic Behavior Improvement of Normally-Off p-GaN High-Electron-Mobility Transistor Through a Low-Temperature Microwave Annealing Process

Hsien-Chin Chiu, Chia-Hao Liu, Yi-Sheng Chang, Hsuan-Ling Kao et al. • IEEE Journal of the Electron Devices Society (2019)

The surface morphology optimization of ohmic contacts and the Mg out-diffusion suppression of normally off p-GaN gate high-electron-mobility transistors (HEMTs) continue to be challenges in the power electronics industry in terms of the hig...

DOAJ Open Access (DOAJ) DOI: 10.1109/JEDS.2019.2941519

Compensatory Analysis and Optimization for MADM for Heterogeneous Wireless Network Selection

Jian Zhou, Can-yan Zhu • Journal of Electrical and Computer Engineering (2016)

In the next-generation heterogeneous wireless networks, a mobile terminal with a multi-interface may have network access from different service providers using various technologies. In spite of this heterogeneity, seamless intersystem mobil...

DOAJ Open Access (DOAJ) DOI: 10.1155/2016/7539454

Establishing a pure antiferroelectric PbZrO3 phase through tensile epitaxial strain

Krina Parmar, Pauline Dufour, Emma Texier, Cécile Carrétéro et al. • Nature Communications (2025)

Abstract The nature of lead zirconate, the historical antiferroelectric material, has recently been challenged. In PbZrO3 epitaxial films, thickness reduction engenders competition among antiferroelectric, ferrielectric and ferroelectric ph...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-025-61867-y

Chitosan nanoparticles as next-generation carriers for veterinary DNA vaccines: Mechanisms, immune responses, and translational prospects

Miguel González-Lozano, José Alberto Cano-Buendía • Veterinary World (2025)

Background and Aim: Chitosan-based DNA nanoparticles have emerged as a promising next-generation platform for veterinary vaccines, addressing several limitations of conventional attenuated, inactivated, and recombinant formulations. Chitosa...

DOAJ Open Access (DOAJ) DOI: 10.14202/vetworld.2025.3826-3838

Admission prognostic nutritional index improves risk stratification for the carbapenem-resistant phenotype in culture-positive Klebsiella pneumoniae: a retrospective cohort study

Kaixuan Zhang, Huihui Li, Yuanyuan Xu, Sudi Zhu et al. • Frontiers in Cellular and Infection Microbiology (2026)

BackgroundCarbapenem-resistant Klebsiella pneumoniae (CRKP) remains an infection-control challenge. We assessed whether admission immuno-nutritional status, measured by the Prognostic Nutritional Index (PNI), is associated with the CRKP phe...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcimb.2026.1828441