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Avian haemosporidian parasites affecting non-descript village chickens in Africa.
Trop Anim Health Prod
January 2025
Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida, South Africa.
Smallholder farmers in most of the rural areas in African countries rear non-descript village chickens for petty cash, food provision and for performing rituals. Village chicken production systems are regarded as low input- low output because the chickens receive minimum care and produce average to less eggs and meat. The chickens receive minimal biosecurity and are often left to scavenge for feed and thus exposes them to potential vector parasites that can transmit parasites such as haemoparasites.
View Article and Find Full Text PDFComparison of Ultrasound Energy Delivered to the Anterior Segment Across Different Phacoemulsification Surgical Platforms.
Med Devices (Auckl)
January 2025
Department of Ophthalmology and Visual Sciences, John A Moran Eye Center, University of Utah, Salt Lake City, Utah, USA.
Purpose: The aim of this study was to use calorimetry to understand the difference in energy transferred by three phacoemulsification surgical platforms to the eye.
Patients And Methods: A phacoemulsification tip was lowered into a double-walled calorimeter filled with distilled water. The foot pedal was depressed for 30 seconds and the change in temperature of the water was measured by a temperature probe.
Atomic structures and electronic properties of different contact surfaces for C F -SiO triboelectric nanogenerator based on first-principles investigations.
RSC Adv
January 2025
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications Beijing 100876 China
Modification of the dielectric friction layer materials is an ideal way to enhance the output performance of a triboelectric nanogenerator (TENG), but current research mostly focuses on the metal-polymer or metal-SiO materials. In this work, we constructed different TENG models based on polymer C F -SiO electret materials, and the electronic properties of the different contact surfaces were investigated using first principles. We found that the charge transfer in C F -SiO materials occurred only at the contact interface, and it was partially affected by the terminal atoms near the SiO interface.
View Article and Find Full Text PDFSalinity Influenced Proximate, Minerals, Anti-Nutrients and Phytochemical Composition of Kunth (Wild Cabbage): A Promising Edible Halophyte.
Food Sci Nutr
January 2025
Department of Horticultural Sciences, Faculty of Applied Sciences Cape Peninsula University of Technology Bellville South Africa.
Climate change, drought, and soil salinization present huge limitations to global agricultural output, which threatens food security. This necessitates the cultivation and domestication of wild edible halophytes as alternatives to mainstream food crops, especially in arid and semi-arid regions. is one of the under-researched and underutilized edible halophytes native to South Africa.
View Article and Find Full Text PDFUltrathin, Dynamically Controllable Circularly Polarized Emission Laser Enabled by Resonant Chiral Metasurfaces.
ACS Photonics
January 2025
Foundation of Research and Technology Hellas, Institute of Electronic Structure and Laser, Heraklion 71110, Greece.
We demonstrate a simple, low-cost, and ultracompact chiral resonant metasurface design, which, by strong local coupling to a quantum gain medium (quantum emitters), allows to implement an ultrathin metasurface laser, capable of generating tunable circularly polarized coherent lasing output. According to our detailed numerical investigations, the lasing emission can be transformed from linear to circular and switch from right- to left-handed circularly polarized (CP) not only by altering the metasurface chiral response but also by changing the polarization of a linearly polarized pump wave, thus enabling dynamic lasing-polarization control. Given the increasing interest for CP laser emission, our chiral metasurface laser design proves to be a versatile yet straightforward strategy to generate a strong and tailored CP emission laser, promising great potential for future applications in both photonics and materials science.
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