Results 31 to 40 of about 1,426,883 (286)

Bifurcation scenarios in an ordinary differential equation with constant and distributed delay: A case study [PDF]

open access: yes, 2018
In this article we consider a model introduced by Ucar in order to simply describe chaotic behaviour with a one dimensional ODE containing a constant delay. We study the bifurcation problem of the equilibria and we obtain an approximation of the periodic
Caraballo Garrido, Tomás   +2 more
core   +2 more sources

Risk of Retinopathy Associated with Long‐Term Use of Hydroxychloroquine in Patients with Rheumatic Diseases: A Systematic Review and Meta‐Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective We aimed to estimate the prevalence and cumulative incidence of hydroxychloroquine retinopathy (HCQ‐R) and its risk factors among patients receiving long‐term HCQ with rheumatic diseases through a systematic review and meta‐analysis of observational studies that used spectral‐domain optical coherence tomography (SD‐OCT) for screening ...
Narsis Daftarian   +4 more
wiley   +1 more source

Physical Activity in the Prevention and Management of Type 2 Diabetes Evidence-Based Approaches

open access: yesQuality in Sport
Type 2 diabetes mellitus (T2DM) is a growing global health concern linked to sedentary lifestyles and obesity. Physical activity is a key factor in prevention and management, yet existing guidelines may not fully address the needs of physically active ...
Maksymilian Czarnota   +9 more
doaj   +1 more source

Associations of Rheumatoid Arthritis Disease Activity with Frailty Over Five Years of Follow‐up

open access: yesArthritis Care &Research, Accepted Article.
Objective To evaluate whether rheumatoid arthritis (RA) disease activity is associated with frailty both in cross‐section and longitudinally. Methods Participants within the Veterans Affairs Rheumatoid Arthritis registry enrolled from 2003 to 2022 were included. The exposure was RA disease activity measured by Disease Activity Score in 28‐joints (DAS28)
Courtney N. Loecker   +14 more
wiley   +1 more source

A Continuous Trust-Region-Type Method for Solving Nonlinear Semidefinite Complementarity Problem

open access: yesAbstract and Applied Analysis, 2014
We propose a new method to solve nonlinear semidefinite complementarity problem by combining a continuous method and a trust-region-type method. At every iteration, we need to calculate a second-order cone subproblem. We show the well-definedness of the
Ying Ji, Tienan Wang, Yijun Li
doaj   +1 more source

Inkjet4Tex: Creative implications of 3D inkjet printing technologies for textiles [PDF]

open access: yes, 2009
This project expands future applied-design capabilities for textiles as a function of inkjet deposition technology. The project investigates 3D inkjet rapid-production tools’ potential, focusing on creative gaps in the developing technology in its ...
Campbell, J.R.
core  

Recurrent Neural Networks Applied to GNSS Time Series for Denoising and Prediction [PDF]

open access: yes, 2019
Global Navigation Satellite Systems (GNSS) are systems that continuously acquire data and provide position time series. Many monitoring applications are based on GNSS data and their efficiency depends on the capability in the time series analysis to ...
Cascarano, Pasquale   +5 more
core   +1 more source

Bio‐Orthogonally Crosslinked Supramolecular Polymer Bottlebrush Hydrogels for Long‐Term 3D Cell Culture

open access: yesAdvanced Functional Materials, EarlyView.
Fibrous benzenetrispeptide (BTP) hydrogels, fabricated via strain‐promoted azide‐alkyne cycloaddition (SPAAC) crosslinking, form robust, bioinert networks. These hydrogels can support 3D cell culture, where cell viability and colony growth depend on the fiber content.
Ceren C. Pihlamagi   +5 more
wiley   +1 more source

MicroRNAs miR-16 and miR-519 control meningioma cell proliferation via overlapping transcriptomic programs shared with the RNA-binding protein HuR

open access: yesFrontiers in Oncology, 2023
IntroductionMeningiomas are the most common type of primary central nervous system tumors. In about 80% cases, these tumors are benign and grow very slowly, but the remainder 20% can unlock higher proliferation rates and become malignant.
Sébastien Hergalant   +21 more
doaj   +1 more source

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