Results 111 to 120 of about 1,979,946 (248)

Restitution Kinetics of Ventricular Action Potential Duration In the Human Heart

, 2003
2003-12Recent animal experiments and computer modeling have suggested that cardiac tissues showing steep slope (>1) of action potential duration (APD) restitution would provide a dynamic instability of refractoriness causing a wave break, which is ...
Yamazaki, Masatoshi, Osaka, Toshiyuki, Kodama, Itsuo, Honjo, Haruo, Yokoyama, Eriko, Ito, Atsushi   +5 more
core   +1 more source

Low Participation and Risk Reduction Potential of Supplemental Crop Insurance in the United States

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Federally subsidized crop insurance is a cornerstone of U.S. farm risk management, yet policies with the greatest share of participation only trigger indemnities after losses exceed 15%. Supplemental insurance was introduced to cover part of this deductible, but participation remains largely unchanged.
Francis Tsiboe, Hunter Biram, Amy Hagerman   +2 more
wiley   +1 more source

Delaying the Inevitable? U.S. Screwworm Closures and Feeder Cattle Market Dynamics

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Biosecurity trade restrictions are commonly framed as preventive measures, yet in many settings they function primarily as policies of delay: they impose immediate market costs while only postponing the arrival of biological risks. This paper evaluates that intertemporal tradeoff using the 2024–2025 US suspension of live cattle imports from ...
Shelby Sumner, Savannah Jones, Tania Islam, K. Aleks Schaefer   +3 more
wiley   +1 more source

Agronomic and Nutritional Perspectives on Vegetable Crops in Africa

AgriFood: Journal of Agricultural Products for Food, EarlyView.
Vegetable production plays a key role in food security, nutrition, and livelihoods across Africa. Moreover, African indigenous vegetables emerge as underutilized yet highly valuable crops, rich in macro‐ and micronutrients, as well as bioactive compounds with an array of health benefits.
Đorđe Vojnović, Pamela Owusu Osei, Sina Siavash Moghaddam, Issiake Konate, Jelena Popović‐Đorđević   +4 more
wiley   +1 more source

A gender-based comparative analysis of food security amongst the beneficiaries of the land restitution in Limpopo province

Frontiers in Sustainable Food Systems
Despite several governmental interventions and land reform measures, food insecurity is still a persistent and multifaceted issue in South Africa. This study evaluated and compared the levels and drivers of household food security by gender amongst the ...
Lesedi Molefe Maesela, Grany Mmatsatsi Senyolo   +1 more
doaj   +1 more source

Spirit of the land : politics, memory, and the sacred in South African land claims [PDF]

, 1999
Bibliography: leaves 224-242.This thesis examines the role of sacred space in people's attachment to land, analysing the ways in which people create sacred space through labour, ritual, myth, and memory.
Stites, Elizabeth Howland
core  

Advancing European Plant Variety Registration: Data‐Driven Insights and Stakeholder Perspectives

Agribusiness, EarlyView.
ABSTRACT Efficient plant variety registration is crucial for fostering innovation in the European Union, yet the current regulatory framework is complex and faces calls for reform. This study provides data‐driven evidence to inform the ongoing legislative debate by employing a mixed‐methods approach.
Sergio Urioste Daza, Ibtissem Taghouti, José María Gil Roig   +2 more
wiley   +1 more source

Sales Market Regulations for Agricultural Land in EU Member States and Candidate Countries [PDF]

All agricultural markets are subjected to institutional regulations that – in one way or another –affect the functioning of these markets, and this is no different for the agricultural land market in the EU.
Ciaian, Pavel,, Swinnen, Jo, Van Herck, Kristine, Kancs, d’Artis, Vranken, Liesbet   +4 more
core  

Too Complex to Choose? The Role of Heuristics in Shaping Farmers' Willingness to Pay for Income Stabilization Tool in Italy

Agribusiness, EarlyView.
ABSTRACT European agriculture is increasingly exposed to economic instability driven by extreme weather events, market volatility, and geopolitical tensions. To manage these growing risks, farmers are encouraged to adopt innovative risk management strategies such as the Income Stabilization Tool (IST), which offers protection against severe income ...
Alice Stiletto, Ruggiero Rippo, Samuele Trestini, Elisa Giampietri, Roberta Raffaelli, Simone Cerroni   +5 more
wiley   +1 more source

Sound‐Based Assembly of Magnetically Actuated Soft Robots Toward Enhanced Release of Extracellular Vesicles

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Magnetic soft robots offer promise in biomedicine due to their wireless actuation and rapid response, but current fabrication methods are complex and have limited cellular compatibility. A new, contactless bioassembly strategy using hydrodynamic instabilities is introduced, enabling customizable, centimeter‐scale robots.
Wei Gao, Riccardo Tognato, Micaela Natta, Elena Della Bella, Alessandro Cianciosi, Tiziano Serra   +5 more
wiley   +1 more source