Formation of a Long Filament Through the Connection of Two Filament Segments Observed by CHASE
The Astrophysical Journal Letters, 2023 We present imaging and spectroscopic diagnostics of a long filament during its formation with the observations from the Chinese H α Solar Explorer and Solar Dynamics Observatory.
H. T. Li +7 more
doaj +1 more source
Site saturation mutagenesis of ribosomal protein L42 at 56th residue and application as a consecutive selection marker for cycloheximide resistance in yeast [PDF]
FEMS Microbiology Letters, 2018 The 56th residue of ribosomal protein L42 (Rpl42) determines the sensitivity of yeast cells to the antibiotic cycloheximide (CYH). In this study, we identified the relationship between the 56th residue of Rpl42 and the function of the ribosome by site saturation mutagenesis.
Jung-Hoon, Bae +2 more
openaire +2 more sources
Optimization of Citric Acid Production by Immobilized Cells of Novel Yeast Isolates
Mycobiology, 2020 Citric acid is a commercially valuable organic acid widely used in food, pharmaceutical, and beverage industries. In this study, 260 yeast strains were isolated from soil, bread, juices, and fruits wastes and preliminarily screened using bromocresol ...
Abd El-Latif Hesham +2 more
doaj +1 more source
The Astrophysical Journal Letters, 2023 Minor mergers are thought to drive the structural evolution of massive quiescent galaxies; however, existing Hubble Space Telescope (HST) imaging is primarily sensitive to stellar mass ratios ≳1:10.
Katherine A. Suess +19 more
doaj +1 more source
Turbulence-supported Massive Star Envelopes
The Astrophysical Journal Letters, 2023 The outer envelopes of massive ( M ≳ 10 M _⊙ ) stars exhibit large increases in opacities from forests of lines and ionization transitions (particularly from iron and helium) that trigger near-surface convection zones. One-dimensional (1D) models predict
William C. Schultz +2 more
doaj +1 more source
Differentiation of ruminant transmissible spongiform encephalopathy isolate types, including bovine spongiform encephalopathy and CH1641 scrapie [PDF]
, 2010 With increased awareness of the diversity of transmissible spongiform encephalopathy (TSE) strains in the ruminant population, comes an appreciation of the need for improved methods of differential diagnosis. Exposure to bovine spongiform encephalopathy (
Bossers, A. +5 more
core +2 more sources
Observability of Dual Active Galactic Nuclei in Merging Galaxies [PDF]
, 2012 Supermassive black holes (SMBHs) have been detected in the centers of most nearby massive galaxies. Galaxies today are the products of billions of years of galaxy mergers, but also billions of years of SMBH activity as active galactic nuclei (AGNs) that ...
Bellovary, Jillian +5 more
core +2 more sources
Hydrodynamical Simulations of Black Hole Binary Formation in AGN Disks
The Astrophysical Journal Letters, 2023 We study close encounters between two single black holes (BHs) embedded in an AGN disk using a series of global 2D hydrodynamics simulations. We find that when the disk density is sufficiently high, bound BH binaries can be formed by the collision of ...
Jiaru Li +4 more
doaj +1 more source
Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow
The Astrophysical Journal Letters, 2023 We report the discovery of GRB 221009A, the highest flux gamma-ray burst (GRB) ever observed by the Fermi Gamma-ray Burst Monitor (Fermi-GBM). This GRB has continuous prompt emission lasting more than 600 s, which smoothly transitions to afterglow ...
S. Lesage +139 more
doaj +1 more source
Super-luminous X-ray Emission from the Interaction of Supernova Ejecta with Dense Circumstellar Shells [PDF]
, 2013 For supernova powered by the conversion of kinetic energy into radiation due to the interactions of the ejecta with a dense circumstellar shell, we show that there could be X-ray analogues of optically super-luminous SNe with comparable luminosities and ...
Loeb, Abraham +2 more
core +1 more source