Results 41 to 50 of about 15,242 (225)

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

FEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso, Jaime Hiniesta‐Valero, Alejandra Guerra‐Castellano, Miguel A. De la Rosa, Irene Díaz‐Moreno   +4 more
wiley   +1 more source

Relativistic simulations of the phase-transition-induced collapse of neutron stars [PDF]

, 2008
An increase in the central density of a neutron star may trigger a phase transition from hadronic matter to deconfined quark matter in the core, causing it to collapse to a more compact hybrid-star configuration.
Abdikamalov, E. B., Dimmelmeier, H., Miller, J. C., Rezzolla, L.   +3 more
core   +1 more source

Antibiofilm activity of a chionodracine‐derived peptide by NMR‐based metabolomics of cell‐free supernatant of Acinetobacter baumannii clinical strains

FEBS Open Bio, EarlyView.
KHS‐Cnd peptide is able to impair biofilm formation and disaggregate mature biofilms in Acinetobacter baumannii clinical isolates. Differences in extracellular metabolites reflect changes in biofilm metabolism due to KHS‐Cnd treatment. Among the differentially represented extracellular metabolites upon KHS‐Cnd treatment, the significantly altered ...
Fernando Porcelli, Enrico Landi, Francesco Maiurano, Irene Paris, Rosanna Papa, Marco Artini, Laura Selan, Stefano Borocci, Francesco Buonocore, Esther Imperlini   +9 more
wiley   +1 more source

Time resolved spectroscopy of the cool Ap star HD 213637 [PDF]

, 2014
We present an analysis of high time resolution spectra of the chemically peculiar Ap star HD 213637. The star shows rapid radial velocity variations with a period close to the photometric pulsation period.
Balmforth, Biémont, Cowley, Cunha, D. W. Kurtz, Elkin, Elkin, Elkin, Elkin, Freyhammer, G. Mathys, Heiter, Hubrig, Kochukhov, Kochukhov, Kochukhov, Kochukhov, Kochukhov, Kudryavtsev, Kupka, Kurtz, Kurtz, Kurtz, Kurtz, Kurtz, Lenz, Malanushenko, Martinez, Martinez, Mashonkina, Mathys, Mathys, Mathys, Moon, Nelson, Piskunov, Piskunov, Ryabchikova, Ryabchikova, Saio, Shulyak, Stibbs, Théado, V. G. Elkin, Wegner   +44 more
core   +2 more sources

Multimode stellar pulsations. III - Resonances

The Astrophysical Journal, 1982
We include the treatment of resonances in the formalism of multitime asymptotic techniques previously devised to treat stellar pulsation (monomode and multimode) with a slow evolution in the absence of resonances. The evolution can be followed toward and through a resonance, and the effects of resonances can be investigated.
O. Regev, J. R. Buchler, M. Barranco
openaire   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

FEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Differential regulation of ZFAS1 splice variants by endoplasmic reticulum stress in hepatocyte cell lines

FEBS Open Bio, EarlyView.
ZFAS1 is a lncRNA promoting cell proliferation and migration, exhibiting high expression in various cancers. It is conserved, widely expressed, and produces multiple splice variants with unclear roles. We identified several splice variants in hepatocyte models, and found that inhibiting or suppressing regulators of the unfolded protein response (PERK ...
Sébastien Soubeyrand, Paulina Lau, Ruth McPherson   +2 more
wiley   +1 more source

Nuclear pore links Fob1‐dependent rDNA damage relocation to lifespan control

FEBS Open Bio, EarlyView.
Damaged rDNA accumulates at a specific perinuclear interface that couples nucleolar escape with nuclear envelope association. Nuclear pores at this site help inhibit Fob1‐induced rDNA instability. This spatial organization of damage handling supports a functional link between nuclear architecture, rDNA stability, and replicative lifespan in yeast.
Yamato Okada, Mina Iwaki, Kyosuke Hagiri, Rei Izumi, Masahiko Harata, Chihiro Horigome   +5 more
wiley   +1 more source

The Calculation of Stellar Pulsation [PDF]

Reviews of Modern Physics, 1964
In this paper we report methods of computation which have been developed to provide a theoretical understanding of the RR Lyrae and Cepheid type pulsating stars. The results reported are intended to illuminate the methods of calculation and to provide insight into the physical processes in these stars.
openaire   +2 more sources

Stellar Mass Loss and Pulsation [PDF]

International Astronomical Union Colloquium, 1989
AbstractMass loss at rates sufficient to alter the evolution of stars is known to occur during the pre-main sequence evolution of most stars, on the main sequence for massive stars, and during advanced evolutionary phases when the luminosity is high and the effective temperature is low.
openaire   +1 more source