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Predicting Microbial Protein Synthesis in Cattle: Evaluation of Extant Equations and Steps Needed to Improve Accuracy and Precision of Future Equations

Michael L. Galyean, Luis O. Tedeschi • Animals (2024)

Predictions of microbial crude protein (MCP) synthesis for beef cattle generally rely on empirical regression equations, with intakes of energy and protein as key variables. Using a database from published literature, we developed new equat...

DOAJ Open Access (DOAJ) DOI: 10.3390/ani14192903

Is There a Retrograde Accretion Disk around 4U 1626–67? Tracking Torque Reversals with a State-space Model

Joseph O’Leary, Andrew Melatos, Tom Kimpson, Dimitris M. Christodoulou et al. • The Astrophysical Journal (2026)

X-ray timing studies of the persistent, Galactic, accretion-powered pulsar 4U 1626−67 reveal torque reversals, during which the pulse frequency ν ( t ) alternates between multiyear episodes of secular acceleration and deceleration, separate...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/ae2610

Active galactic nucleus activity in nearby disk galaxies: The roles of bar strength and spiral arm morphology

Martirosyan Zh. R., Hakobyan A. A., Adibekyan V., Barkhudaryan L. V. et al. • Astronomy & Astrophysics (2026)

Context. The transport of gas toward galactic centers and its connection to active galactic nucleus (AGN) activity remain key open questions in galaxy evolution. In particular, the relative roles of stellar bars and spiral arms and their po...

DOAJ Open Access (DOAJ) DOI: 10.1051/0004-6361/202661413

Item analysis: basic concepts of physics students in geometric optics

Godelfridus Hadung Lamanepa, Rosenti Pasaribu, Claudia M.M. Maing • Gravity: Jurnal Ilmiah Penelitian dan Pembelajaran Fisika (2020)

The purpose of this study was to analyze students' items and abilities—the analysis for mapping test instruments and students' basic concepts regarding optics subjects before lectures are held. The test participants were 35 physics students...

DOAJ Open Access (DOAJ) DOI: 10.30870/gravity.v6i2.8506

Evidence for Enrichment of Niobium-92 in the Outer Protosolar Disk

Yuki Hibiya, Tsuyoshi Iizuka, Hatsuki Enomoto, Takehito Hayakawa • The Astrophysical Journal Letters (2023)

The short-lived radionuclide, niobium-92 ( ^92 Nb), has been used to estimate the site of nucleosynthesis for p- nuclei and the timing of planetary differentiation, assuming that it was uniformly distributed in the early solar system. Here,...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/acab5d

Embodied science and mixed reality: How gesture and motion capture affect physics education

Mina C. Johnson-Glenberg, Colleen Megowan-Romanowicz • Cognitive Research (2017)

Abstract A mixed design was created using text and game-like multimedia to instruct in the content of physics. The study assessed which variables predicted learning gains after a 1-h lesson on the electric field. The three manipulated varia...

DOAJ Open Access (DOAJ) DOI: 10.1186/s41235-017-0060-9

Dielectric and impedance spectroscopic studies of three phase graphene/titania/poly(vinyl alcohol) nanocomposite films

Saira Ishaq, Farah Kanwal, Shahid Atiq, Mahmoud Moussa et al. • Results in Physics (2018)

Flexible dielectric polymer composites with high dielectric permittivity and low dielectric loss have many applications in different areas of electronic industry. In this paper, we propose synthesis of flexible dielectric materials with eff...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rinp.2018.09.049

Seroprevalence of dengue, yellow fever, and related flaviviruses among the rural human population in Nguruman and Kerio Valley, Kenya

Mercy Hokah Kibathi, Mercy Hokah Kibathi, Edith Chepkorir, Sepha Nyatichi Mabeya et al. • Frontiers in Virology (2024)

BackgroundYellow fever virus (YFV) and dengue virus (DENV) are among the major re-emerging arboviruses that pose a significant threat to public health. Their associated burden and prevalence can be substantially underestimated due to insuff...

DOAJ Open Access (DOAJ) DOI: 10.3389/fviro.2024.1459021

Transient Elastography and Video Recovery Narrative Access to Support Recovery From Alcohol Misuse: Development of a Novel Intervention for Use in Community Alcohol Treatment Services

Stefan Rennick-Egglestone, Mohsan Subhani, Holly Knight, Katy A Jones et al. • JMIR Formative Research (2023)

BackgroundMortality from alcohol-related liver disease has risen significantly for 3 decades. Transient elastography (TE) is a noninvasive test providing a numerical marker of liver disease. Preliminary evidence suggests that TE can reduce ...

DOAJ Open Access (DOAJ) DOI: 10.2196/47109

A qualitative study of developing beliefs about health, illness and healthcare in migrant African women with gestational diabetes living in Sweden

Katarina Hjelm, Karin Bard, Jan Apelqvist • BMC Women's Health (2018)

Abstract Background Gestational diabetes (GDM) is associated with health risks for both mother and child, and is particularly relevant to migrant women and women of African origin. With today’s extensive global migration, contact with the n...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12905-018-0518-z

Vape Smoking: Prevalence and Perception among Damnhour University Students

Naglaa Hussein • International Egyptian Journal of Nursing Sciences and Research (2025)

Background: E-cigarette or vape smoking is becoming a worldwide concern, yet vapinginformation is not widespread among Middle Eastern university students. The paper offers the pattern ofvape smoking in Damnhour University, Egypt, which uses...

DOAJ Open Access (DOAJ) DOI: 10.21608/ejnsr.2025.370486.1434

Evolution of use and overuse of triptans in Austria – What has changed in the last 15 years?

Katharina Kaltseis, Sarah Maier, Karin Zebenholzer, Michael Thomas Eller et al. • The Journal of Headache and Pain (2026)

Abstract Background Triptans are highly effective acute treatments for migraine attacks, yet population-level data suggest persistent underuse. Updated real-world data on triptan use and overuse in Austria are lacking. Methods This nationwi...

DOAJ Open Access (DOAJ) DOI: 10.1186/s10194-026-02332-z

Prevalence, predictors and pregnancy outcomes of unprescribed and herbal medicine use in Ibadan, Nigeria

Ikeola Adeoye, Victoria Etuk • BMC Complementary Medicine and Therapies (2023)

Abstract Background Unprescribed and herbal medicines use among pregnant women is a public health concern in low and middle-income countries because of the potential teratogenic effects, insufficient safety and weak drug regulatory systems....

DOAJ Open Access (DOAJ) DOI: 10.1186/s12906-023-03838-8

Evaluation of Respiratory Protection Program in Petrochemical Industries: Application of Analytic Hierarchy Process

Hadi Kolahi, Mehdi Jahangiri, Haleh Ghaem, Akbar Rostamabadi et al. • Safety and Health at Work (2018)

Background: Respiratory protection equipment (RPE) is the last resort to control exposure to workplace air pollutants. A comprehensive respiratory protection program (RPP) ensures that RPE is selected, used, and cared properly. Therefore, R...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.shaw.2017.05.003

Racially Disparate Expression of mTOR/ERK-1/2 Allied Proteins in Cancer

Sanjay Mishra, Manish Charan, Ajeet Kumar Verma, Bhuvaneswari Ramaswamy et al. • Frontiers in Cell and Developmental Biology (2021)

Recent studies revealed that ethnic differences in mechanistic target of rapamycin (mTOR) and extracellular signal-regulated kinase (ERK-1/2) signaling pathways might be associated with the development and progression of different human mal...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcell.2021.601929

A New Strategy for Efficient Screening and Identification of Monoclonal Antibodies against Oncogenic Avian Herpesvirus Utilizing CRISPR/Cas9-Based Gene-Editing Technology

Man Teng, Zi-Yu Zhou, Yongxiu Yao, Venugopal Nair et al. • Viruses (2022)

Marek’s disease virus (MDV) is an important oncogenic α-herpesvirus that induces Marek’s disease (MD), characterized by severe immunosuppression and rapid-onset T-cell lymphomas in its natural chicken hosts. Historically, MD is regarded as ...

DOAJ Open Access (DOAJ) DOI: 10.3390/v14092045