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Clinical evaluation of DIAGNOVIR SARS-CoV-2 ultra-rapid antigen test performance compared to PCR-based testing

Ali Aytac Seymen, Ezgi Gulten, Erol Ozgur, Bülend Ortaç et al. • Scientific Reports (2023)

Abstract Coronavirus Disease-19 (COVID-19) is a highly contagious infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The development of rapid antigen tests has contributed to easing the burden on ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-023-31177-8

TEMPERATURE OF SLIDING SURFACES OF INTERNAL COMBUSION ENGINES BY THE TEMPER COLORS OF WEAR PARTICLES

M. G. El-Sherbiny, Farouk Hammad, M. M. Youssef, M. K. Mohamed et al. • Journal of the Egyptian Society of Tribology (2026)

The present study examines the temper colors of the wear particles retained by the oil filter by optical microscope. The temperature of the sliding surfaces inside engines can be determined by the temper colors of the wear particles. Becaus...

DOAJ Open Access (DOAJ) DOI: 10.21608/jest.2026.481011.1158

Nozzle atomizing performance evaluation in complex environment using residual atrous spatial pyramid network

Ya Yang, Chuanchang Li, Xiaonan Hou, Chunlei Wang et al. • AIP Advances (2022)

Conventional spray particle detection methods have disadvantages such as spray field interference, large subjective standard error, and an inability to specifically analyze the spray particle movement. Manual methods used the uniformity of ...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0083129

Evaluating key predictors of breast cancer through survival: a comparison of AFT frailty models with LASSO, ridge, and elastic net regularization

Senyefia Bosson-Amedenu, Emmanuel Ayitey, Francis Ayiah-Mensah, Luyton Asare • BMC Cancer (2025)

Abstract Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dime...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12885-025-14040-z

How to measure consumer's inconsistency in sensory testing?

László Sipos, Kolos Csaba Ágoston, Péter Biró, Sándor Bozóki et al. • Current Research in Food Science (2025)

Consumer sensory testing is the basis for determining directions of product development in the food industry. However, while compliance assessment by trained and expert assessors is well developed, few information is available on testing co...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.crfs.2025.100982

Active querying approach to epidemic source detection on contact networks

Martin Sterchi, Lorenz Hilfiker, Rolf Grütter, Abraham Bernstein • Scientific Reports (2023)

Abstract The problem of identifying the source of an epidemic (also called patient zero) given a network of contacts and a set of infected individuals has attracted interest from a broad range of research communities. The successful and tim...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-023-38282-8

Identifying Key Factors Associated with the Spatiotemporal Dynamics of Fish Assemblages in Subtropical River-Type Reservoir Ecosystems: Implications for Fishery Management and Conservation

Chengjie Yin, Rongzhen Zhang, Zewen Feng, Xiaoning Shi et al. • Animals (2026)

Characterizing the spatiotemporal patterns of fish communities in subtropical river-type reservoirs provides useful baseline information for fisheries stewardship and aquatic ecosystem monitoring. This work investigated fish assemblages acr...

DOAJ Open Access (DOAJ) DOI: 10.3390/ani16182892

Assessment of the knowledge, attitudes and practices level on toxoplasmosis and its seroprevalence in selected high-risk groups in Cebu, Philippines

Adrian P. Ybañez, Adrian P. Ybañez, Grahambell B. Sabanate, Serafin L. Garciano et al. • Frontiers in Veterinary Science (2026)

Toxoplasmosis, a zoonotic disease caused by Toxoplasma gondii, poses significant health risks, especially to high-risk individuals who are exposed to cats. This study aimed to assess the knowledge, attitudes, and practices (KAP) related to ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fvets.2026.1758610

Isolation, characterization and virulence assessment of Type 1d CP bovine viral diarrhea virus originating from Inner Mongolia, China

Luyao Hao, Luyao Hao, Fengmiao Zhao, Fengmiao Zhao et al. • Frontiers in Veterinary Science (2025)

In recent years, bovine viral diarrhea virus (BVDV) has been associated with increased respiratory and gastrointestinal diseases in cattle. Comprehensive monitoring and investigations into the virus's pathological features are crucial for d...

DOAJ Open Access (DOAJ) DOI: 10.3389/fvets.2025.1554986

Morphological identification and genetic characterization of Anopheles stephensi in Somaliland

Said Ali, Jeanne N. Samake, Joseph Spear, Tamar E. Carter • Parasites & Vectors (2022)

Abstract Malaria control in Somaliland depends on the effective identification of potential malaria vectors, particularly those that may be invasive. The malaria vector Anopheles stephensi has been detected in multiple countries in the Horn...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13071-022-05339-y

Effect of fire-source location on flame behavior and temperature distribution in subway carriages with multiple lateral openings

Xinyu Wang, Guoqing Zhu, Xuyao Qi, Guowei Zhang et al. • Case Studies in Thermal Engineering (2026)

Urban rail transit has been widely adopted to alleviate surface traffic congestion. However, subway fire safety remains a critical concern because of the confined carriage space, high occupant density, and complex ventilation conditions. Mo...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2026.108501

On-board diagnostics method for detecting bearing defects in traction synchronous permanent magnet motors based on stator current spectrum

E. A. Dvoeglazov, O. A. Kozelkov, P. K. Dyakov • Вестник СибАДИ (2026)

Introduction. The reliability of traction electric drive is a key factor determining the operational efficiency of urban electric transport. Bearing assemblies of electric motors remain one of the most common causes of failures leading to v...

DOAJ Open Access (DOAJ) DOI: 10.26518/2071-7296-2026-23-2-334-348

Resource-Constrained Edge AI Solution for Real-Time Pest and Disease Detection in Chili Pepper Fields

Hoyoung Chung, Jin-Hwi Kim, Junseong Ahn, Yoona Chung et al. • Agriculture (2026)

This paper presents a low-cost, fully on-premise Edge Artificial Intelligence (AI) system designed to support real-time pest and disease detection in open-field chili pepper cultivation. The proposed architecture integrates AI-Thinker ESP32...

DOAJ Open Access (DOAJ) DOI: 10.3390/agriculture16020223

Investigation of dipole emission near a dielectric metasurface using a dual-tip scanning near-field optical microscope

Abbasirad Najmeh, Barreda Angela, Arslan Dennis, Steinert Michael et al. • Nanophotonics (2021)

A wide variety of near-field optical phenomena are described by the interaction of dipole radiation with a nanophotonic system. The electromagnetic field due to the dipole excitation is associated with the Green’s function. It is of great i...

DOAJ Open Access (DOAJ) DOI: 10.1515/nanoph-2021-0429

Securing Electric Vehicle Performance: Machine Learning-Driven Fault Detection and Classification

Mahbub Ul Islam Khan, Md. Ilius Hasan Pathan, Mohammad Mominur Rahman, Md. Maidul Islam et al. • IEEE Access (2024)

Electric vehicles (EVs) are commonly recognized as environmentally friendly modes of transportation. They function by converting electrical energy into mechanical energy using different types of motors, which aligns with the sustainable pri...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2024.3400913

Deployment-related mental health support: comparative analysis of NATO and allied ISAF partners

Eric Vermetten, Neil Greenberg, Manon A. Boeschoten, Roos Delahaije et al. • European Journal of Psychotraumatology (2014)

Background: For years there has been a tremendous gap in our understanding of the mental health effects of deployment and the efforts by military forces at trying to minimize or mitigate these. Many military forces have recently systematize...

DOAJ Open Access (DOAJ) DOI: 10.3402/ejpt.v5.23732