Search

Your search keyword '"Pazos, M"' showing total 1,045 results
Start Over Author "Pazos, M"
1,045 results on '"Pazos, M"'

1. Highly dynamic gamma-ray emissions are common in tropical thunderclouds

Author

Marisaldi, M., Østgaard, N., Mezentsev, A., Lang, T., Grove, J. E., Shy, D., Heymsfield, G. M., Krehbiel, P., Thomas, R. J., Stanley, M., Sarria, D., Schultz, C., Blakeslee, R., Quick, M. G., Christian, H., Adams, I., Kroodsma, R., Lehtinen, N., Ullaland, K., Yang, S., Qureshi, B. Hasan, Søndergaard, J., Husa, B., Walker, D., Bateman, M., Mach, D., Cummer, S., Pazos, M., Pu, Y., Bitzer, P., Fullekrug, M., Cohen, M., Montanya, J., Younes, C., van der Velde, O., Roncancio, J. A., Lopez, J. A., Urbani, M., and Santos, A.

Published
2024
Full Text
View/download PDF

2. Flickering gamma-ray flashes, the missing link between gamma glows and TGFs

Author

Østgaard, N., Mezentsev, A., Marisaldi, M., Grove, J. E., Quick, M., Christian, H., Cummer, S., Pazos, M., Pu, Y., Stanley, M., Sarria, D., Lang, T., Schultz, C., Blakeslee, R., Adams, I., Kroodsma, R., Heymsfield, G., Lehtinen, N., Ullaland, K., Yang, S., Qureshi, B. Hasan, Søndergaard, J., Husa, B., Walker, D., Shy, D., Bateman, M., Bitzer, P., Fullekrug, M., Cohen, M., Montanya, J., Younes, C., van der Velde, O., Krehbiel, P., Roncancio, J. A., Lopez, J. A., Urbani, M., Santos, A., and Mach, D.

Published
2024
Full Text
View/download PDF

10. Shattering the Narrative

Author

Atutxa, Matxalen Acasuso, Angeles López Amado, Mª, Maceiras, Natalia Brener, Landázuri, Sonia Puente, Vázquez, Aurea Soto, Elvira Carregado Pazos, M., Veleiro, Teresa Táboas, Hilal, Sandi, editor, Bedir, Merve, editor, Ramsgaard Thomsen, Mette, editor, and Tamke, Martin, editor

Published
2023
Full Text
View/download PDF

15. Glaucoma progression. Clinical practice guide

Author

Jaumandreu, L., Antón, A., Pazos, M., Rodriguez-Uña, I., Rodriguez Agirretxe, I., Martinez de la Casa, J.M., Ayala, M.E., Parrilla-Vallejo, M., Dyrda, A., Díez-Álvarez, L., Rebolleda, G., and Muñoz-Negrete, F.J.

Published
2023
Full Text
View/download PDF

22. The Mother's Day Geomagnetic Storm on 10 May 2024: Aurora Observations and Low Latitude Space Weather Effects in Mexico.

Author

Gonzalez‐Esparza, J. A., Sanchez‐Garcia, E., Sergeeva, M., Corona‐Romero, P., Gonzalez‐Mendez, L. X., Valdes‐Galicia, J. F., Aguilar‐Rodriguez, E., Rodriguez‐Martinez, M., Ramirez‐Pacheco, C., Castellanos, C. I., Pazos, M., Mendoza, B., Gatica‐Acevedo, V. J., Melgarejo‐Morales, A., Caraballo, R., Andrade‐Mascote, E., Villanueva‐Hernandez, P., Bonifaz‐Alfonzo, R., Sierra, P., and Romero‐Hernandez, E.

Subjects
CORONAL mass ejections, AURORAS, IONOSPHERIC disturbances, COSMIC rays, MOTHER'S Day, SPACE environment
Abstract

On 10 May 2024, a severe geomagnetic storm coinciding with Mother's Day in Mexico lasted over 40 hr and produced polar auroras observable at low latitudes. This storm, the most intense since 2003, resulted from a series of solar flares and coronal mass ejections from active region 3664. The event was significant for space weather studies in Mexico, marking a milestone by enabling comprehensive measurements of its effects. The Mexico Space Weather Service (SCIESMEX) and the National Space Weather Laboratory (LANCE) had prepared for such an event since their inception. LANCE's instrument networks recorded solar chromospheric images, solar radio bursts, geomagnetic variations, Schumann resonances, ionospheric disturbances, and energetic particle flows. They also monitored Geomagnetically Induced Currents (GICs) in three strategic substations of the national electrical system. This provided unprecedented insights into the dynamics of severe space weather events at the North‐American low‐latitude environment. Citizen science efforts documented auroras and regional responses, capturing variations in geomagnetic indices, ionospheric disturbances, cosmic ray fluxes, GICs, and technological impacts. SCIESMEX worked with the National Civil Protection System (SINAPROC) to issue warnings, ensuring public awareness and preparedness. This coordination underscores the importance of effective communication and collaboration in mitigating impacts. The May 2024 geomagnetic storm demonstrated the critical role of preparedness, research, and public education in reducing the effects of future space weather events in Mexico. Plain Language Summary: On 10 May 2024, during the celebration of Mother's Day in Mexico, a powerful geomagnetic storm occurred, lasting over 40 hr and creating polar auroras visible in low‐latitude areas. The Mother's Day geomagnetic storm, the strongest since 2003, was triggered by a series of solar flares and eruptions from the sun. For researchers in Mexico, this event was significant. The storm produced northern lights that were seen in 20 of the 32 states in Mexico, and it gave us the chance to measure the storm's effects with our instruments for the first time. Over the past 10 years, the Mexico Space Weather Service (SCIESMEX) and the National Space Weather Laboratory (LANCE) have been preparing for such an event. During the storm, LANCE's network of instruments recorded various solar and space phenomena, such as solar images, radio bursts, geomagnetic and ionospheric disturbances, energetic particles, and currents in the national electrical system. This comprehensive data collection helps us understand the impact of severe space weather in Mexico. We also gathered observations from the public about the aurora and measured the regional effects on geomagnetic and ionospheric conditions, cosmic rays, and technological systems. Key Points: The May 2024 geomagnetic storm offered insights into space weather effects at low latitudes, impacting North AmericaObservations showed geomagnetic storm impacts on Mexico's power grid and atmospheric conditions, highlighting vulnerabilitiesPolar auroras in Mexico reveal solar weather's reach, stressing the need for awareness in areas rarely affected by such events [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
View/download PDF

29. Evidence of a New Population of Weak Terrestrial Gamma-Ray Flashes Observed From Aircraft Altitude

Author

Bjørge-Engeland, I., Østgaard, N., Sarria, D., Marisaldi, M., Mezentsev, A., Fuglestad, A., Lehtinen, N., Grove, J. E., Shy, D., Lang, T., Quick, M., Christian, H., Schultz, C., Blakeslee, R., Adams, I., Kroodsma, R., Heymsfield, G., Ullaland, K., Yang, S., Qureshi, B. Hasan, Søndergaard, J., Husa, B., Walker, D., Bateman, M., Mach, D., Bitzer, P., Fullekrug, M., Cohen, M., Stanley, M., Cummer, S., Montanya, J., Pazos, M., Velosa, C., van der Velde, O., Pu, Y., Krehbiel, P., Roncancio, J. A., Lopez, J. A., Urbani, M., Santos, A., Neubert, T., Gordillo-Vazquez, F., Bjørge-Engeland, I., Østgaard, N., Sarria, D., Marisaldi, M., Mezentsev, A., Fuglestad, A., Lehtinen, N., Grove, J. E., Shy, D., Lang, T., Quick, M., Christian, H., Schultz, C., Blakeslee, R., Adams, I., Kroodsma, R., Heymsfield, G., Ullaland, K., Yang, S., Qureshi, B. Hasan, Søndergaard, J., Husa, B., Walker, D., Bateman, M., Mach, D., Bitzer, P., Fullekrug, M., Cohen, M., Stanley, M., Cummer, S., Montanya, J., Pazos, M., Velosa, C., van der Velde, O., Pu, Y., Krehbiel, P., Roncancio, J. A., Lopez, J. A., Urbani, M., Santos, A., Neubert, T., and Gordillo-Vazquez, F.

Abstract

Terrestrial Gamma-ray Flashes (TGFs) are ten-to-hundreds of microsecond bursts of gamma-rays produced when electrons in strong electric fields in thunderclouds are accelerated to relativistic energies. Space instruments have observed TGFs with source photon brightness down to ∼1017–1016. Based on space and aircraft observations, TGFs have been considered rare phenomena produced in association with very few lightning discharges. Space observations associated with lightning ground observations in the radio band have indicated that there exists a population of dimmer TGFs. Here we show observations of TGFs from aircraft altitude that were not detected by a space instrument viewing the same area. The TGFs were found through Monte Carlo modeling to be associated with 1015–1012 photons at source, which is several orders of magnitude below what can be seen from space. Our results suggest that there exists a significant population of TGFs that are too weak to be observed from space.

Published
2024

30. Targeting CB2-GPR55 Receptor Heteromers Modulates Cancer Cell Signaling

Author

Moreno, Estefanía, Andradas, Clara, Medrano, Mireia, Caffarel, María M., Blasco-Benito, Sandra, Pazos, M. Ruth, Irving, Andrew J., Lluís, Carme, Canela, Enric I., McCormick, Peter J., Gómez Cañas, María, Pérez Gómez, Eduardo, Fernández Ruiz, José Javier, Guzmán Pastor, Manuel, Sánchez García, María Cristina, Moreno, Estefanía, Andradas, Clara, Medrano, Mireia, Caffarel, María M., Blasco-Benito, Sandra, Pazos, M. Ruth, Irving, Andrew J., Lluís, Carme, Canela, Enric I., McCormick, Peter J., Gómez Cañas, María, Pérez Gómez, Eduardo, Fernández Ruiz, José Javier, Guzmán Pastor, Manuel, and Sánchez García, María Cristina

Abstract

The G protein-coupled receptors CB2 (CB2R) and GPR55 are overexpressed in cancer cells and human tumors. Because a modulation of GPR55 activity by cannabinoids has been suggested, we analyzed whether this receptor participates in cannabinoid effects on cancer cells. Here we show that CB2R and GPR55 form heteromers in cancer cells, that these structures possess unique signaling properties, and that modulation of these heteromers can modify the antitumoral activity of cannabinoids in vivo. These findings unveil the existence of previously unknown signaling platforms that help explain the complex behavior of cannabinoids and may constitute new targets for therapeutic intervention in oncology., Depto. de Bioquímica y Biología Molecular, Fac. de Medicina, TRUE, pub

Published
2024

Catalog

Books, media, physical & digital resources
See catalog results