Results 61 to 70 of about 2,109,479 (260)

The Haldane Energy Gap of A Doped Linear-Chain Heisenberg Antiferromagnet

open access: yes, 1993
Using the valence-bond-solid (VBS) approach and the Schwinger boson mean field approximation, we study the dependence of the Haldane gap of a spin-1 linear chain Heisenberg antiferromagnet on impurity doping with different spins.
A. A. Abrikosov   +30 more
core   +1 more source

Semileptonic decays of heavy mesons [PDF]

open access: yes, 1997
The semileptonic and leptonic decays of heavy mesons are studied as a phenomenological application and exploration of a heavy-quark limit of Dyson-Schwinger equations.
Ivanov, M. A.   +3 more
core   +2 more sources

A cofactor for factor XI activation [PDF]

open access: yesBlood, 2011
During formation of a blood clot, the key enzyme thrombin is formed through the coordinated activities of a group of plasma proteases (factors VIIa, IXa, Xa, and XIa). Central to this process are protein “cofactors” (tissue factor, and factors Va and VIIIa) that facilitate the activation and ...
openaire   +2 more sources

Deciphering transcriptional plasticity in pancreatic ductal adenocarcinoma reveals alterations in sensory neuron innervation

open access: yesMolecular Oncology, EarlyView.
Pancreatic sensory neurons innervating healthy and PDAC tissue were retrogradely labeled and profiled by single‐cell RNA sequencing. Tumor‐associated innervation showed a dominant neurofilament‐positive subtype, altered mitochondrial gene signatures, and reduced non‐peptidergic neurons.
Elena Genova   +14 more
wiley   +1 more source

Dynamic heterogeneity in a glass forming fluid: susceptibility, structure factor and correlation length

open access: yes, 2010
We investigate the growth of dynamic heterogeneity in a glassy hard-sphere mixture for volume fractions up to and including the mode-coupling transition. We use an 80 000 particle system to test a new procedure to evaluate a dynamic correlation length xi(
Flenner, Elijah, Szamel, Grzegorz
core   +1 more source

Multi‐omics and low‐input proteomics profiling reveals dynamic regulation driving pluripotency initiation in early mouse embryos

open access: yesFEBS Open Bio, EarlyView.
Mouse pre‐implantation development involves a transition from totipotency to pluripotency. Integrating transcriptomics, epigenetic profiling, low‐input proteomics and functional assays, we show that eight‐cell embryos retain residual totipotency features, whereas cytoskeletal remodeling regulated by the ubiquitin‐proteasome system drives progression ...
Wanqiong Li   +8 more
wiley   +1 more source

$\Omega^{-}$, $\Xi^{* -}$, $\Sigma^{* -}$ and $\Delta^{-}$ decuplet baryon magnetic moments

open access: yes, 2010
The properties of the ground state $U$-Spin $={3/2}$ baryon decuplet magnetic moments $\Delta^{-}$, $\Xi^{* -}$, $\Sigma^{* -}$ and $\Omega^{-}$ and their ground state spin 1/2 cousins $p$, $n$, $\Lambda$, $\Sigma^{+}$, $\Sigma^{0}$, $\Sigma^{-}$, $\Xi^{+
Slaughter, Milton Dean
core   +1 more source

Structure and function of factor XI

open access: yesBlood, 2010
AbstractFactor XI (FXI) is the zymogen of an enzyme (FXIa) that contributes to hemostasis by activating factor IX. Although bleeding associated with FXI deficiency is relatively mild, there has been resurgence of interest in FXI because of studies indicating it makes contributions to thrombosis and other processes associated with dysregulated ...
Jonas, Emsley   +2 more
openaire   +3 more sources

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

open access: yesFEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke   +4 more
wiley   +1 more source

THE STUDENT LEARNING DIFFICULTY FACTOR XI CLASS BUILDING DRAWING LESSONS OF EXPERTISE BUILDING SMK NEGERI 3 YOGYAKARTA [PDF]

open access: yes, 2011
This study aims at determine the influence of the most dominant factor OF learning difficulties of the students in Grade XI Subject Areas Building Drawing Building SMK Negeri 3 Yogyakarta, learning difficulties were factors include: (1) Internal ...
Yuyun Sigit Pramono, Yuyun Sigit Pramono
core  

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