Results 51 to 60 of about 8,904 (163)

Methylmercury Effect and Distribution in Two Extremophile Microalgae Strains Dunaliella salina and Coccomyxa onubensis from Andalusia (Spain)

Microorganisms
The main entrance point of highly toxic organic Hg forms, including methylmercury (MeHg), into the aquatic food web is phytoplankton, which is greatly represented by various natural microalgal species.
Samuel Simansky, Jiří Holub, Ivana Márová, María Cuaresma, Ines Garbayo, Rafael Torronteras, Carlos Vílchez, Zivan Gojkovic   +7 more
doaj   +1 more source

Acceso abierto: hacia la gestión asociativa de bienes cognitivos

Revista Stultifera, 2019
El objetivo de este trabajo es fundamentar una aproximación al concepto de acceso abierto a la producción académica como parte de la formulación de políticas científicas en el Sur global.
Santiago José Roca Petitjean
doaj   +1 more source

Physiological and Sleep Profiles in Insomnia, OSA and COMISA: A Comparative Study in Portugal and Spain

Journal of Sleep Research, EarlyView.
ABSTRACT Insomnia and obstructive sleep apnea (OSA) are common sleep disorders that often co‐occur as comorbid insomnia and sleep apnea (COMISA), worsening health outcomes. This study characterized and compared the physiological and sleep profiles of insomnia, OSA and COMISA in population‐based datasets from Portugal (n = 147) and Spain (n = 264 ...
Margarida Carvalho, Eva Almeida, Pedro Amorim, Marta Drummond, Adrián Martín‐Montero, Gonzalo C. Gutiérrez‐Tobal, Tomás Ruiz‐Albi, Julio De Frutos, Pedro Pereira Rodrigues, Daniela Ferreira‐Santos   +9 more
wiley   +1 more source

Photoprotective potential of gadusol against ultraviolet B radiation in melanocytes

Photochemistry and Photobiology, EarlyView.
Gadusol protects melanocytes from ultraviolet B (UVB)‐induced damage without cytotoxicity. Abstract The increasing incidence of skin cancer, including melanoma, combined with the need for ultraviolet (UV) filters that are safe for human health and marine ecosystems, is driving the search for new photoprotective agents.
Andressa Mai Matsumoto, Rocío Isla Naveira, Andy Joel Taipe Huisa, Marcelo Augusto Germani Marinho, Lais Zortéa, José María Monserrat, Agueda Elena Massa, María Sandra Churio, Ana Paula de Souza Votto   +8 more
wiley   +1 more source

Heat Transfer Enhancements Assessment in Hot Water Generation with Phase Change Materials (PCMs): A Review

Energies
The utilization of phase change materials (PCMs) in solar water heating systems (SWHS) has undergone notable advancements, driven by a rising demand for systems delivering superior performance and efficiency.
Diana Isabel Berrocal, Juan Blandon Rodriguez, Maria De Los Angeles Ortega Del Rosario, Itamar Harris, Arthur M. James Rivas   +4 more
doaj   +1 more source

Sclerophyllous structural and chemical traits of mite‐induced galls on Crinodendron patagua (Elaeocarpaceae) leaves

Plant Biology, EarlyView.
Eriophyid mites reprogram the structural and biochemical traits of sclerophyllous leaves in Crinodendron patagua, promoting the formation of nutrient‐rich and protective gall tissues. Abstract Sclerophyllous plants present a suite of traits, including small, leathery leaves with thick cuticles, dense trichomes and sclerified tissues, which are often ...
L. M. Guedes, L. Rodríguez‐Cerda, N. Aguilera, E. Grandón, F. R. Valeriano, J. F. de Lima, J. F. P. de Oliveira, B. G. Ferreira   +7 more
wiley   +1 more source

Environmental Justice in the Brazilian Coastal Food Systems: Policies, Institutions, and Knowledges on Small‐Scale Fishers and Energy Development

World Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT This study explores environmental justice issues in coastal food systems, focusing on conflicts between small‐scale fisheries and the energy sector due to differing goals in managing food and energy sources. It does so by examining the interdependence between institutions, policies, and different types of knowledge; key elements in building ...
Mateus Henrique Amaral, Lira Luz Benites Lazaro, Rosie Day, Lindsay C. Stringer, Leandra Regina Gonçalves, Aline Martins de Carvalho, Leandro Luiz Giatti   +6 more
wiley   +1 more source

Mass spectroscopy investigation of the effect of gamma irradiation on the mean value of the number of ethoxy groups in the TRITON X-100

Nucleus, 2007
The effect of gamma radiation from a 60Co source on the structure of a nonionic surfactant, namely TRITON X-100, was investigated. Three main regions can be distinguished in the behavior of the mean value of ethoxy groups with an increase in the ...
Gilmer Valdés Díaz, Simón Rodríguez Calvo, Aurora Pérez Gramatges, Manuel Rapado Paneque   +3 more
doaj  

An Application of Spectral Kurtosis to Separate Hybrid Power Quality Events

Energies, 2015
For the development of the future smart grid, the detection of power quality events is a key issue for the power system monitoring. Voltage sags, swells, harmonics (variations) and interruptions, which produce large losses for commercial and industrial ...
Juan José González de la Rosa, José María Sierra-Fernández, José Carlos Palomares-Salas, Agustín Agüera-Pérez, Álvaro Jiménez Montero   +4 more
doaj   +1 more source

Digital Futures Between Participatory Digital Democracy and Participatory Digital Fascism

Policy &Internet, Volume 18, Issue 3, September 2026.
ABSTRACT This paper explores one of the defining political questions of the twenty‐first century: will digital technologies strengthen democracy or accelerate new forms of authoritarianism and fascism? Against the backdrop of platform capitalism, AI‐driven communication, surveillance infrastructures, disinformation and democratic crisis, the study asks
Christian Fuchs, Kevin Friesch, Joel Museba   +2 more
wiley   +1 more source