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Academic Articles & Research Papers
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John W. Moffat • Axioms
(2025)
An approach is presented to resolve key paradoxes in black hole physics through the application of complex Riemannian spacetime. We extend the Schwarzschild metric into the complex domain, employing contour integration techniques to remove ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/axioms14060440
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
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
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
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
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
Rasit Dinc, Evren Ekingen • Therapeutic Advances in Cardiovascular Disease
(2024)
Arterial aneurysms remain a significant public health problem because they often result in death when ruptured; therefore, they require immediate medical treatment. Endovascular aneurysm repair (EVAR) has recently become the primary treatme...
DOAJ
Open Access (DOAJ)
DOI: 10.1177/17539447241283736
Adrian Heald, Michael Cook, Leen Antonio, Dirk Vanderschueren et al. • The Aging Male
(2022)
Introduction The androgen receptor (AR) mediates peripheral effects of testosterone. Evidence suggests that the number of CAG repeats in exon-1 of the AR gene negatively correlates with AR transcriptional activity. The aim of this analysis ...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/13685538.2022.2061452
Guillaume Larid, Justine Vix, Ronan Garlantezec, Elodie Loppin et al. • Scientific Reports
(2022)
Abstract Remission in rheumatoid arthritis (RA) is an important therapeutic target that is not easy to achieve in real-life conditions. Some prognostic factors have been identified but the literature is variable. The objectives of this stud...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-022-06584-y
Miriam E. Dillard, Christina A. Daly, Rojalin Pradhan, Shariq S. Ansari et al. • Nature Communications
(2026)
Abstract Sonic Hedgehog (SHH) signaling functions in temporal- and context-dependent manners to pattern diverse tissues during embryogenesis. The signal transducer Smoothened (SMO) is induced by sterols, oxysterols, and arachidonic acid (AA...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-026-75918-5
Sławomir Lewicki, Monika Leśniak, Agnieszka Sobolewska-Ruta, Aneta Lewicka et al. • Archives of Medical Science
(2020)
Introduction
Cytokines are important immune modulator factors controlling homeostasis of the body and are involved in tissue regeneration after wound healing. The encapsulation of cytokines in liposomes has many advantages potentially usefu...
DOAJ
Open Access (DOAJ)
DOI: 10.5114/aoms.2020.94527
Gilberto Muñoz-Pérez, Fátima Álvarez-Camarena, Julio Vega-Arreguin • Kinases and Phosphatases
(2026)
Plant–pathogen interactions are shaped by dynamic regulatory processes that control immune signaling. Among these, post-translational modifications (PTMs) play central roles in modulating protein activity, stability, and interaction network...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/kinasesphosphatases4020011
Jingying Zhang, Aashish Bhatt, Grigory Maksaev, Yun Lyna Luo et al. • Nature Communications
(2025)
Abstract The mechanosensitive channel of small conductance (MscS) from E. coli (EcMscS) has served as the prevailing model system for understanding mechanotransduction in ion channels. Trypanosoma cruzi, the protozoan parasite causing Chaga...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41467-025-62757-z
Roza Dianita, Ibrahim Jantan • Pharmaceutical Biology
(2017)
Context: The genus Premna (Lamiaceae), distributed throughout tropical and subtropical Asia, Africa, Australia and the Pacific Islands, is used in folk medicine primarily to treat inflammation, immune-related diseases, stomach disorders, wo...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/13880209.2017.1323225
Maha A. Aldubyan, Maha A. Aldubyan, Ibtesam S. Almami, Ibtesam S. Almami et al. • Frontiers in Microbiology
(2017)
Cronobacter are an important group of foodborne pathogens that has been linked to life-threatening infections in both infants and adults. The major infections associated with Cronobacter species are neonatal meningitis, necrotizing enteroco...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fmicb.2017.02268
Julia Brox Skranes, Øyunn Kleiven, Kristin Moberg Aakre, Øyvind Skadberg et al. • Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
(2020)
Background Use of snus, a smokeless tobacco product, is increasing in Scandinavia. Strenuous physical activity is associated with an acute increase in high‐sensitivity cardiac troponin (swhs‐cTn) concentrations. Current smoking is associate...
DOAJ
Open Access (DOAJ)
DOI: 10.1161/JAHA.120.017363
Aleš Kopal, Eva Mejzlíková, Jana Lízrová Preiningerová, David Brebera et al. • Parkinson's Disease
(2015)
Parkinson’s disease (PD) is characterized by motor and nonmotor symptoms. Nonmotor symptoms include primarily visual hallucinations (VH). The aim of our study was to establish whether patients with PD and visual hallucinations (PDH+) have s...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2015/709191
Leslie M. Stone-Roy, Joel Moritz Jr., Philip Turk, John D. Williams • Frontiers in Human Neuroscience
(2017)
Malfunctioning sensory systems can severely impact quality of life and repair is not always possible. One solution, called sensory substitution, is to use another sensory system to bring lost information to the brain. This approach often in...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fnhum.2017.00186
David A. Clark, David A. Clark, Seth R. Odell, Seth R. Odell et al. • Frontiers in Behavioral Neuroscience
(2018)
An animal’s ability to navigate an olfactory environment is critically dependent on the activities of its first-order olfactory receptor neurons (ORNs). While considerable research has focused on ORN responses to odorants, the mechanisms by...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fnbeh.2018.00324
Stephen D. Williams, Tunde M. Smith, LaMonica V. Stewart, Amos M. Sakwe • Cells
(2022)
Physiological changes such as hypoxia in the tumor microenvironment (TME) endow cancer cells with malignant properties, leading to tumor recurrence and rapid progression. Here, we assessed the effect of hypoxia (1% Oxygen) on the tumor supp...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/cells11193007