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Exploring optimal control strategies in a nonlinear fractional bi-susceptible model for Covid-19 dynamics using Atangana-Baleanu derivative.
Sci Rep
December 2024
Department of Mathematics, GC University, Lahore, Pakistan.
In this article, a nonlinear fractional bi-susceptible [Formula: see text] model is developed to mathematically study the deadly Coronavirus disease (Covid-19), employing the Atangana-Baleanu derivative in Caputo sense (ABC). A more profound comprehension of the system's intricate dynamics using fractional-order derivative is explored as the primary focus of constructing this model. The fundamental properties such as positivity and boundedness, of an epidemic model have been proven, ensuring that the model accurately reflects the realistic behavior of disease spread within a population.
View Article and Find Full Text PDFWALINET: A water and lipid identification convolutional neural network for nuisance signal removal in MR spectroscopic imaging.
Magn Reson Med
December 2024
Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, Massachusetts, USA.
Purpose: Proton magnetic resonance spectroscopic imaging ( -MRSI) provides noninvasive spectral-spatial mapping of metabolism. However, long-standing problems in whole-brain -MRSI are spectral overlap of metabolite peaks with large lipid signal from scalp, and overwhelming water signal that distorts spectra. Fast and effective methods are needed for high-resolution -MRSI to accurately remove lipid and water signals while preserving the metabolite signal.
View Article and Find Full Text PDFTooth loss, periodontal infection and their relationship to cognitive impairment and other dementias: A review.
Neuro Endocrinol Lett
December 2024
Private Practice, Zubná Pohotovosť, s.r.o. Bratislava, Krížna 44, Slovakia.
Our review study addresses the issue of tooth loss, which is caused by loss of masticatory function and its impact on cognitive functions, dementia, and Alzheimer's disease. Numerous studies have confirmed a positive correlation between premature tooth loss, reduction in masticatory function and significant cognitive decline observed through learning disabilities, including overcoming ordinary life problems to early and advanced forms of dementia. Reduced numbers of teeth in the main food processing area, i.
View Article and Find Full Text PDFUnveiling the self-assembly process of gellan-chitosan complexes through a combination of atomistic simulations and experiments.
Int J Biol Macromol
December 2024
Institute for Complex Systems, National Research Council, Piazzale Aldo Moro 5, 00185 Rome, Italy; Department of Physics, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy. Electronic address:
Polyelectrolyte complexes (PECs), formed via the self-assembly of oppositely charged polysaccharides, are highly valued for their biocompatibility, biodegradability, and hydrophilicity, offering significant potential for biotechnological applications. However, the complex nature and lack of insight at a molecular level into polyelectrolytes conformation and aggregation often hinders the possibility of achieving an optimal control of PEC systems, limiting their practical applications. To address this problem, an in-depth investigation of PECs microscopic structural organization is required.
View Article and Find Full Text PDFFULL ARCH TREATMENT OF ATROPHIC EDENTULOUS MANDIBLE USING SHORT IMPLANTS WITH IMMEDIATE LOADING: CASE REPORT.
J Oral Implantol
December 2024
Department of Post-Graduation, Latin American Institute of Dental Research and Education (ILAPEO), Curitiba, Paraná, Brazil.
Full-arch implant rehabilitation in extremely atrophic edentulous mandibles is still challenging due to the high risk of fracture and the limited bone availability. The approach proposes using short implants with immediate loading for final prostheses as a treatment option, which offers shorter treatment times and fewer invasive procedures. A 66-year-old female patient with an edentulous mandible and severe alveolar bone resorption was treated with four short implants in the interforaminal area.
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