Results 181 to 190 of about 42,668 (331)

Performance of large virus removal filters during AAV processing: Influence of flux and process disruptions

Biotechnology Progress, EarlyView.
Abstract As adeno‐associated viral vectors (AAV) continue to advance through the clinical pipeline, effective downstream purification strategies must be developed to ensure bulk drug purity and safety. AAV are produced within mammalian cells, bringing forth risks associated with viral contamination.
Akshay S. Chaubal, Asingsa W. Arachchige, Annabelle J. Zahn, S. Ranil Wickramasinghe, Xianghong Qian, Andrew L. Zydney   +5 more
wiley   +1 more source

Metal-rich stars are less suitable for the evolution of life on their planets. [PDF]

Nat Commun, 2023
Shapiro AV, Brühl C, Klingmüller K, Steil B, Shapiro AI, Witzke V, Kostogryz N, Gizon L, Solanki SK, Lelieveld J.   +9 more
europepmc   +1 more source

Nonlinear Active Site Dynamic Behavior Over In Situ Generated Working Zeolites

Chemie Ingenieur Technik, EarlyView.
The methoxymethyl mechanism over α, β, and γ site ensembles and the dynamic site‐interconversion mechanism reduce the induction period of propylene formation. The methoxymethyl mechanism acts on site ensemble α generating surface methoxy species (SMS), which, through the dynamic site‐interconversion mechanism, lead to SMS on site ensembles β and γ that
Toyin Omojola
wiley   +1 more source

Measuring the magnetic fields in the chromospheres of low-mass stars [PDF]

Nat Commun
Cang T, Petit P, Donati J, Tian H, Fu J, Li H, Bellotti S, Hu X, Ma X, Ariste AL, Xing K, Morin J, Lu H, Zong W.   +13 more
europepmc   +2 more sources

Ultraviolet and Chromospheric Activity and Habitability of M Stars

The Astrophysical Journal
M-type stars are crucial for stellar activity studies because they cover two types of magnetic dynamos and are particularly intriguing for habitability studies due to their abundance and long lifespans during the main-sequence stage.
Xue Li, Song Wang, Henggeng Han, Huiqin Yang, Chuanjie Zheng, Yang Huang, Jifeng Liu   +6 more
doaj   +1 more source

Sensitivity analysis and stochastic optimization of levelized cost of hydrogen production through methane pyrolysis

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract Hydrogen plays a crucial role across multiple industrial sectors and is increasingly recognized as a clean energy carrier with significant potential in decarbonization efforts. Methane pyrolysis (MP), particularly using molten metal catalysts, offers a promising pathway for hydrogen production with low CO2 emissions.
Adrian Paredes Bozzo, Zukui Li
wiley   +1 more source

Are Stars Really Ingesting Their Planets? Examining an Alternative Explanation

The Astrophysical Journal
Numerous stars exhibit surprisingly large variations in their refractory element abundances, often interpreted as signatures of planetary ingestion events.
Nadine H. Soliman, Philip F. Hopkins
doaj   +1 more source

The imprint of star formation on stellar pulsations. [PDF]

Nat Commun, 2022
Steindl T, Zwintz K, Vorobyov E.
europepmc   +1 more source

Hydrogen Convection Zones and Stellar Rotation

The Astrophysical Journal, 1967
P. Demarque, R. C. Roeder
openaire   +1 more source

Optimal model‐based design of experiments for parameter precision: Supercritical extraction case

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study investigates the process of chamomile oil extraction from flowers. A parameter‐distributed model consisting of a set of partial differential equations is used to describe the governing mass transfer phenomena in a cylindrical packed bed with solid chamomile particles under supercritical conditions using carbon dioxide as a solvent ...
Oliwer Sliczniuk, Pekka Oinas
wiley   +1 more source