Results 61 to 70 of about 152,893 (314)

Dark matter as dark energy

open access: yesPhysics Letters B, 2003
Velocity-dependent interactions in a fundamental-string dominated universe lead quite naturally, with reasonable assumptions on initial conditions, to an accelerating expanding universe without assuming the existence of a cosmological constant. This result also holds generically for a universe dominated by moving extremal black holes, owing to a ...
openaire   +2 more sources

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS 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

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS 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

In the Darkness, Everything Went All Black [PDF]

open access: yes, 2018
Konceptdesign och scenografi till operan In the Darkness, Everything Went All ...
Jalhed, Hedvig,   +5 more
core  

Comparison Symbolism of Light and Darkness on Mystical Vision between Kobrāwīyids and Eastern Christianity [PDF]

open access: yesحکمت و فلسفه, 2011
In this research, ‘vision’ in Kobrāwīyids and Orthodox Christian mysticism is studied comparatively. Most of the mystics of both ways have experienced God as light, but some of them have experienced God in darkness or black light symbol.
nader mohammad zadeh
doaj   +1 more source

Dark Energy [PDF]

open access: yesJournal of Physics: Conference Series, 2011
Dark energy models account for the present accelerated expansion of the universe. Many models were suggested and investigated, based on very different physical principles. We will review some representative models emphasizing similarities and differences between these various approaches.
openaire   +2 more sources

ABL kinase‐dependent phosphorylation of SH proteins promotes their direct interaction with CRK family SH2 domains

open access: yesFEBS Letters, EarlyView.
CT10 regulator of kinase (CRK) and CRK‐Like (CRKL) are signaling adaptors driving cell adhesion, motility, differentiation, and proliferation. SH2‐domain containing (SH) proteins are enriched in YXXP motifs which when phosphorylated create preferred binding sites for CRK family SH2 domains.
Phoebe M. Cousens   +8 more
wiley   +1 more source

A Necessary Darkness [PDF]

open access: yes, 2017
A Necessary Darkness 2017 - (commissioned by the Amsterdam Light Festival* in partnership with NEMO - the Dutch Museum of Science). a large scale projection on to the Renzo Piano designed ‘NEMO’ building (Oosterdok 2 Amsterdam) dusk - 11pm daily 30 ...
Lee, Rona
core  

THE SHORT-TERM COLD STORAGE EFFECT ON VASE LIFE OF CUT Hosta LEAVES

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2007
The longevity of cut leaves in flower arrangements is an important commercial consideration in horticultural practices. Here we report on the effect of short-term cold storage, in combination with a cytokinin treatment, on the post harvest longevity of ...
Mariusz Wachowicz   +3 more
doaj  

The Originality of Light and the Consequential Realization of Darkness based on Suhrawardi’s Perspective [PDF]

open access: yesحکمت اسرا, 2013
In addition to the discussion of light, Suhrawardi has also made some statements about the realization of darkness in the outside world in some of his works.
Mahmoud Hedayat Afza   +1 more
doaj  

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