Results 21 to 30 of about 60,771 (266)

Seroprevalence of Dengue virus among pregnant mothers and their-newborn infants in the southwest of Saudi Arabia

open access: yesClinical and Experimental Obstetrics & Gynecology, 2020
Dengue virus (DENV) is one of the most serious arthropod-borne viruses. This study was performed to investigate the prevalence of the virus in Najran, a city in the south west of Saudi Arabia.
Ali S. Alqahtani
doaj   +1 more source

Utilizing Ecological Modeling to Follow the Potential Spread of Honey Bee Pest (Megaselia scalaris) from Nearby Countries towards Saudi Arabia under Climate Change Conditions

open access: yesDiversity, 2022
The current challenge for the development of beekeeping is the possibility of bee pests invading new areas. It is well known that each geographical range has its unique pest species.
Areej A. Alkhalaf
doaj   +1 more source

Fullerene‐Mediated Iodine Immobilization at Buried Interfaces in Sn–Pb Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
Indene‐C60 bisadduct (ICBA) accumulates at the buried interface of inverted tin‐lead perovskite solar cells, limiting undesired electron extraction while maintaining efficient hole transport. ICBA simultaneously scavenges molecular iodine, mitigating Sn2+ oxidation and interfacial recombination. This coupled electronic‐chemical regulation delivers 22.7%
Chi‐Jing Huang   +15 more
wiley   +1 more source

Multidrug-Resistant Acinetobacter baumannii: An Emerging Health Threat in Aseer Region, Kingdom of Saudi Arabia

open access: yesCanadian Journal of Infectious Diseases and Medical Microbiology, 2018
Objective. The study aims to determine the prevalence of multidrug-resistant A. baumannii in Aseer Region, Kingdom of Saudi Arabia. Methods. This study evaluated the antibiotic susceptibility of ninety-four (n = 94) clinical isolates of A. baumannii. The
Mohammed K. Almaghrabi   +3 more
doaj   +1 more source

MERS transmission and risk factors: a systematic review

open access: yesBMC Public Health, 2018
Background Since Middle East respiratory syndrome (MERS) infection was first reported in 2012, many studies have analysed its transmissibility and severity.
Ji-Eun Park   +3 more
doaj   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

open access: yesAdvanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis   +19 more
wiley   +1 more source

Laser‐Assisted Phase Engineering of 2D MoS2 for Efficient Solution‐Processed Electronics

open access: yesAdvanced Materials, EarlyView.
Here, local laser‐assisted phase transition from solution‐processed phase‐pure 1T′ to 2H MoS2 is shown to critically depend on the irradiation atmosphere. While processing in air leads to damaged insulating regions, inert conditions yield semiconducting 2H domains, enabling direct field‐effect transistor patterning with optimized lateral 1T′‐2H MoS2 ...
Anna Zhuravlova   +10 more
wiley   +1 more source

Indicators of Critical Illness and Predictors of Mortality in COVID-19 Patients

open access: yesInfection and Drug Resistance, 2020
Mohamed H Aly,1 Sayed S Rahman,2 Waleed A Ahmed,3 Mansour H Alghamedi,4 Abudlrahman A Al Shehri,5 Amna M Alkalkami,2 Mohammed H Hassan6 1Internal Medicine Department, Security Forces Hospital Makkah (SFHM), Makkah al-Mukarrammah, Saudi Arabia ...
Aly MH   +6 more
doaj  

Study on the Reaction Mechanism of RuOx and Its Enhanced Hydrogen Evolution Reaction Activity

open access: yesAdvanced Science, EarlyView.
In situ Raman spectroscopy and DFT calculations reveal that, prior to the onset of HER, the surface of RuOx undergoes reversible reduction and structural reconstruction. The resulting Ru(II)O/Ru(IV)O2 configuration is identified as the true catalytically active species.
Liquan Zhang   +9 more
wiley   +1 more source

Exploring recent spatial patterns of cutaneous leishmaniasis and their associations with climate in some countries of the Middle East using geographical information systems

open access: yesGeospatial Health, 2013
This study explores the spatial trends of cutaneous leishmaniasis (CL) and characterises the relationships between the observed spatial patterns and climate in Jordan, Syria, Iraq and Saudi Arabia in 2009.
Salahuddin M. Jaber   +5 more
doaj   +1 more source

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