Results 11 to 20 of about 321,890 (253)

Design and Implementation of Modified INC, Conventional INC, and Fuzzy Logic Controllers Applied to a PV System under Variable Weather Conditions

open access: yesDesigns, 2021
Maximum power point tracking (MPPT) algorithms are used in photovoltaic applications to extract the maximum power that the photovoltaic (PV) panel can produce, which depends on two inputs that are: temperature and irradiance.
Maroua Bouksaim   +2 more
doaj   +1 more source

Extending the Lifetime of Sensor Networks through Adaptive Reclustering

open access: yesEURASIP Journal on Wireless Communications and Networking, 2007
We analyze the lifetime of clustered sensor networks with decentralized binary detection under a physical layer quality-of-service (QoS) constraint, given by the maximum tolerable probability of decision error at the access point (AP).
Ferrari Gianluigi, Martalò Marco
doaj   +2 more sources

Preparation of Catechin Nanoemulsion from Oolong Tea Leaf Waste and Its Inhibition of Prostate Cancer Cells DU-145 and Tumors in Mice

open access: yesMolecules, 2021
Anti-cancer activity of catechin nanoemulsions prepared from Oolong tea leaf waste was studied on prostate cancer cells DU-145 and DU-145-induced tumors in mice. Catechin nanoemulsions composed of lecithin, Tween-80 and water in an appropriate proportion
Yu-Hsiang Lin   +3 more
doaj   +1 more source

Intravesical Instillation of Norketamine, a Ketamine Metabolite, and Induced Bladder Functional Changes in Rats

open access: yesToxics, 2021
This study aimed to determine the mechanism of ketamine-induced cystitis without metabolism. A total of 24 adult male Sprague-Dawley rats were separated into control, ketamine, and norketamine groups.
Chung-Hsin Yeh   +6 more
doaj   +1 more source

Tectochrysin alleviates high-glucose-induced retinal pigment epithelial cell injury through Nrf2/HO-1 activation

open access: yesFolia Histochemica et Cytobiologica
INTRODUCTION: Diabetic retinopathy involves retinal pigment epithelium (RPE) dysfunction. Tectochrysin is a natural flavonoid and antioxidant. However, its effects on retinal pigment epithelial cells remain unveiled.
Yuan Sui   +4 more
doaj   +1 more source

Safety and efficacy of tirofiban after intravenous thrombolysis with urokinase in patients with acute ischemic stroke

open access: yesFrontiers in Neurology
IntroductionTirofiban combined with alteplase thrombolysis or endovascular therapy has been proven to improve the prognosis of patients with acute ischemic stroke (AIS).
Dian Qu   +7 more
doaj   +1 more source

Pilot Malacology Surveys for the Intermediate Hosts of Schistosomiasis in Rural and Semi-Urban Areas of the Moyen-Ogooué Province, Gabon

open access: yesTropical Medicine and Infectious Disease, 2021
The objective of this pilot malacological survey was to identify the snail intermediate hosts for Schistosoma haematobium in endemic rural and semi-urban areas of Gabon.
Jean Claude Dejon Agobé   +5 more
doaj   +1 more source

Polyparasitic Infections: Associated Factors and Effect on the Haemoglobin Level of Children Living in Lambaréné Remote and Surrounding Rural Areas from Gabon—A Cross-Sectional Study

open access: yesTropical Medicine and Infectious Disease
Background: Polyparasitic infections remain widespread in endemic regions, yet its contributing factors and health impact are not well understood. This study aims to estimate the prevalence and associated factors and examines the effect of polyparasitic ...
Paul Alvyn Nguema-Moure   +14 more
doaj   +1 more source

Nonlinear wave interactions for quasilinear hyperbolic 2x2 systems

open access: yesAtti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali, 2013
A reduction approach based upon the combined use of differential constraints theory and hodograph method is developed in order to determine closed form solutions for 2×2 hyperbolic quasilinear nonhomogeneous models.
Domenico Fusco, Carmela Currò
doaj   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

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