Results 41 to 50 of about 22,129,127 (338)

Matrigel inhibits elongation and drives endoderm differentiation in aggregates of mouse embryonic stem cells

open access: yesFEBS Open Bio, EarlyView.
Stem cell‐based embryo models (SCBEMs) are valuable to study early developmental milestones. Matrigel, a basement membrane matrix, is a critical substrate used in various SCBEM protocols, but its role in driving stem cell lineage commitment is not clearly defined.
Atoosa Amel   +3 more
wiley   +1 more source

Interior gradient bounds for nonlinear elliptic systems [PDF]

open access: yesRendiconti di Matematica e delle Sue Applicazioni, 2020
This manuscript is dedicated to Umberto Mosco, with esteem and affection. Umberto was my mentor at the University of Rome, where I completed my four years studies in Mathematics before my PhD program in Pisa.
Paolo Marcellini
doaj  

A degree theory framework for semilinear elliptic systems

open access: yes, 2016
. This paper establishes the existence of positive entire solutions to some systems of semilinear elliptic systems including those related to the Lane-Emden and stationary Schr¨odinger systems. The primary technique for generating these results employs a
Congming Li, John Villavert
semanticscholar   +1 more source

Gradient estimates and the fundamental solution for higher-order elliptic systems with rough coefficients [PDF]

open access: yes, 2014
This paper considers the theory of higher-order divergence-form elliptic differential equations. In particular, we provide new generalizations of several well-known tools from the theory of second-order equations.
Ariel Barton
semanticscholar   +1 more source

Genetic diversity and population structure of the Taigan dog breed

open access: yesFEBS Open Bio, EarlyView.
The Taigan is a rare sighthound from the mountains of Kyrgyzstan. We used DNA markers to study its genetic diversity and compare it with other sighthound breeds. Our findings show that the Taigan shares close genetic ties with the Kazakh Tazy, suggesting a common ancestry shaped by nomadic traditions and regional adaptation.
Kira Bespalova   +10 more
wiley   +1 more source

Enhanced analysis of gating latency in 0.35T MR‐linac through innovative time synchronization of a motion phantom and plastic scintillation detector

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose This study aims to evaluate how different gantry angles, breathing rates (BPM), cine image speeds, and tracking algorithms affect beam on/off latency and the subsequent impact on target dose for a 0.35T MR‐Linac with a 6 MV FFF beam.
Mateb Al Khalifa   +4 more
wiley   +1 more source

Singularities of Nonlinear Elliptic Systems [PDF]

open access: yesCommunications in Partial Differential Equations, 2013
18 pages Communications in Partial Differential ...
David R. Adams, Jie Xiao
openaire   +4 more sources

Study on the generalized (p,q)$(p,q)$-Laplacian elliptic systems, parabolic systems and integro-differential systems

open access: yes, 2016
In this paper, we present the abstract results for the existence and uniqueness of the solution of nonlinear elliptic systems, parabolic systems and integro-differential systems involving the generalized (p,q)$(p,q)$-Laplacian operator.
Li Wei, R. Agarwal, P. J. Wong
semanticscholar   +1 more source

Existence of solutions for a class of singular elliptic systems with convection term [PDF]

open access: yesAsymptotic Analysis, 2013
We show the existence of positive solutions for a class of singular elliptic systems with convection term. The approach combines sub- and supersolution method with the pseudomonotone operator theory and perturbation arguments involving singular terms.
C. O. Alves, Abdelkrim Moussaoui
semanticscholar   +1 more source

AAPM medical physics practice guideline 13.a: HDR brachytherapy, part B

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract The goal of this report is to assist the clinical medical physicist in assuring that key quality standards and practice considerations are met to ensure safe, reliable, and reproducible high dose rate (HDR) brachytherapy (BT) treatment. This guideline has been developed to provide appropriate minimum standards for such services.
Susan L. Richardson   +8 more
wiley   +1 more source

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