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Analyzing the Sequence of Phases Leading to the Formation of the Active Region 13664, with Potential Carrington-like Characteristics

Autor: Romano, Paolo, Elmhamdi, Abouazza, Marassi, Alessandro, Contarino, Lidia

Several recurrent X-class flares from Active Region (AR) 13664 have triggered a severe G5-class geomagnetic storm between May 10 and 11, 2024. The morphology and compactness of this AR closely resemble the active region responsible for the famous Car

Externí odkaz: http://arxiv.org/abs/2409.04408

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Akademický článek

A pH-sensitive motif in an outer membrane protein activates bacterial membrane vesicle production

Autor: Ruchika Dehinwal, Tata Gopinath, Richard D. Smith, Robert K. Ernst, Dieter M. Schifferli, Matthew K. Waldor, Francesca M. Marassi

Publikováno v: Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)

Abstract Outer membrane vesicles (OMVs) produced by Gram-negative bacteria have key roles in cell envelope homeostasis, secretion, interbacterial communication, and pathogenesis. The facultative intracellular pathogen Salmonella Typhimurium increases

Externí odkaz: https://doaj.org/article/0b2fa93830f14e3a9591beec10a5f1a1

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Akademický článek

Protocols for bulk off-line fluid inclusion extraction for the analysis of δ13C-CH4 and δ13C-CO2 using a cavity ring-down spectroscopy (CRDS) analyser

Autor: Orlando Sébastien Olivieri, Valentina Marassi, Sonia Casolari, Olivier Sissman, Isabelle Daniel, Jens Fiebig, Alberto Vitale Brovarone

Publikováno v: Frontiers in Earth Science, Vol 12 (2024)

Fluid inclusions are a window into deep geological fluids, providing unique access to their nature and composition. The isotopic composition of CO2 and CH4 hosted in fluid inclusions is a powerful proxy to assess the origin and transformation of deep

Externí odkaz: https://doaj.org/article/9dd21f7f23a847b495b04b0994741490

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Akademický článek

Quantification of Recycled PET in Commercial Bottles by IR Spectroscopy and Chemometrics

Autor: Alessandro Zappi, Alessandra Biancolillo, Nicholas Kassouf, Valentina Marassi, Pietro Morozzi, Laura Tositti, Dora Melucci

Publikováno v: Analytica, Vol 5, Iss 2, Pp 219-232 (2024)

A novel approach for the quantification of recycled polyethylene terephthalate (r-PET) in commercial bottles is presented. Fifty-eight bottle samples from several brands and producers containing different percentages of r-PET were purchased from the

Externí odkaz: https://doaj.org/article/7c0a2484d71540f3926f50997022d801

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Akademický článek

Performance assessment of GPS receivers during the September 24, 2011 solar radio burst event

Autor: Muhammad Bilal, Alberti Valentina, Marassi Alessandro, Cianca Ernestina, Messerotti Mauro

Publikováno v: Journal of Space Weather and Space Climate, Vol 5, p A32 (2015)

The sudden outburst of in-band solar radio noise from the Sun is recognized as one of the potential Radio Frequency Interference (RFI) sources that directly impact the performance of Global Navigation Satellite System (GNSS) receivers. On September 2

Externí odkaz: https://doaj.org/article/983942ac0b9f4f418cde1720b59f614e

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