Results 61 to 70 of about 7,471,443 (306)
From mice to humans—divergent strategies for intestinal homeostasis and regeneration
FEBS Letters, EarlyView.Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa +2 more
wiley +1 more source
A predictive surface profile model for turning based on spectral analysis [PDF]
, 2013 This article presents a predictive approach of surface topography based on the FFT analysis of surface profiles. From a set of experimental machining tests, the parameters investigated are: feed per revolution, insert nose radius, depth of cut and ...
COSTES, Jean-Philippe
core +1 more source
Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis
FEBS Letters, EarlyView.Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee +7 more
wiley +1 more source
Evaluating Atmospheric and Surface Drivers for O2 Variations at Gale Crater as Observed by MSL SAM
The Planetary Science JournalWe explore and evaluate various processes that could drive the variations in the volume mixing ratio (VMR) of atmospheric O _2 observed by the quadrupole mass spectrometer (QMS) of the Sample Analysis at Mars (SAM) instrument suite on the Mars Science ...
Daniel Y. Lo +8 more
doaj +1 more source
Triangular Bézier sub-surfaces on a triangular Bézier surface [PDF]
, 2011 This paper considers the problem of computing the Bézier representation for a triangular sub-patch on a triangular Bézier surface. The triangular sub-patch is defined as a composition of the triangular surface and a domain surface that is also a ...
Cai, Yiyu +10 more
core +1 more source
Reconstructing enzyme evolution by protein engineering
FEBS Letters, EarlyView.Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler +2 more
wiley +1 more source
HyPyRameter: A Python Toolbox to Calculate Spectral Parameters from Hyperspectral Reflectance Data
The Planetary Science JournalHyperspectral image cubes are information rich, typically containing hundreds of wavelengths and millions of spatial pixels. To condense this information into a more interpretable form, it is common to parameterize certain aspects of the spectra that are
Michael S. Phillips +4 more
doaj +1 more source
FEBS Letters, EarlyView.The process of internalization of the Shiga toxin A subunit via formation of a complex with the Shiga toxin B subunit, which specifically binds to the Gb3 receptor. The peptide is designed to act as a carrier of drugs into cancer cells. Here, we explored the potential of peptides derived from the catalytic A subunit of Shiga toxin (STxA) to be drug ...
Giulia Opassi +6 more
wiley +1 more source
Surface Composition of Asteroid 269 Justitia: Insights from Spectral Mixture Modeling
The Astrophysical JournalAsteroid (269) Justitia is one of the more unusual asteroids in the main belt due to its extremely red spectral slope at visible and near infrared (VNIR) wavelengths.
Harish +7 more
doaj +1 more source
Journal of Advanced Composition
, 1980 The Journal of Advanced Composition contains a collection of papers regarding writing and rhetoric: "The JAC is a forum for theory, research and pedagogy regarding (1) those writing courses beyond the freshman courses, excluding technical and creative ...
Association of Teachers of Advanced Composition (U.S.)
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