Results 111 to 120 of about 237,988 (290)

Quantization of Sine-Gordon solitons on the circle: semiclassical vs. exact results

open access: yes, 2008
We consider the semiclassical quantization of sine-Gordon solitons on the circle with periodic and anti-periodic boundary conditions. The 1-loop quantum corrections to the mass of the solitons are determined using zeta function regularization in the ...
Arscott   +30 more
core   +1 more source

Matrix metalloproteinase‐9 regulates cell adhesion and membrane protrusive activity of ovarian cancer cells

open access: yesFEBS Open Bio, EarlyView.
Matrix metalloproteinase‐9 (MMP9) drives ovarian cancer progression. Using MMP9‐null cells (M9‐KO) created from ovarian cancer cells, we found MMP9 loss did not block Epidermal Growth Factor (EGF)‐driven E‐cadherin dissolution or EMT but delayed and reduced EGF‐driven membrane protrusions. Transient MMP9 re‐expression drove membrane protrusion.
Claire Strauel   +8 more
wiley   +1 more source

Existence of anti-periodic mild solutions for semilinear evolution equations

open access: yesJournal of Mathematical Analysis and Applications, 2011
The author discusses the existence of anti-periodic mild solutions for semilinear evolution equations and proves the main result using Schauder's fixed point theorem, which extends some related results in this direction.
openaire   +2 more sources

AdS nonlinear instability: moving beyond spherical symmetry

open access: yes, 2016
Anti-de Sitter (AdS) is conjectured to be nonlinear unstable to a weakly turbulent mechanism that develops a cascade towards high frequencies, leading to black hole formation [1,2].
Dias, Oscar J. C., Santos, Jorge E.
core   +1 more source

Iron homeostasis disruption and lipid peroxidation in skeletal muscle during short‐term immobilization

open access: yesFEBS Open Bio, EarlyView.
14‐day casting‐induced immobilization reduced gastrocnemius muscle mass and increased non‐heme iron and ferritin heavy chain levels. Despite iron accumulation, transferrin receptor 1 and iron regulatory protein 2 were paradoxically upregulated. Lipid peroxidation was elevated without compensatory antioxidant responses.
Haruka Yokogawa   +2 more
wiley   +1 more source

Anti-periodic solutions for evolution equations associated with monotone type mappings

open access: yesApplied Mathematics Letters, 2010
The authors consider the anti-periodic problem \[ x^{\prime }(t)\in -\partial \phi (x(t))+\partial G(x(t))+f(t) \] for \(t\in \mathbb{R}\) in a real, separable Hilbert space \(H\). \(\phi :D(\phi)\subseteq H\to (-\infty ,\infty ]\) is assumed to be an even, proper, lower semicontinuous, convex function, \(G:H\to \mathbb{R}\) is even and continuously ...
Chen, Yuqing   +2 more
openaire   +2 more sources

MiR‐513a promotes human erythroid differentiation by modulating c‐Jun

open access: yesFEBS Open Bio, EarlyView.
During early human erythropoiesis, miR‐513a promoted erythroid differentiation in primary human CD34+ hematopoietic stem‐progenitor cells and human TF‐1 erythroleukemic cells by indirectly decreasing c‐Jun and phospho‐c‐Jun expression, which are associated with increased GATA1 expression.
MinJung Kim   +11 more
wiley   +1 more source

Systemic dysregulation of apolipoproteins in amyotrophic lateral sclerosis serum

open access: yesFEBS Open Bio, EarlyView.
Amyotrophic lateral sclerosis (ALS) is a fatal disease that damages motor neurons. This study found that people with ALS show significant changes in blood fats and the proteins that carry them. Several apolipoproteins were higher, lipid balances were altered, and normal protein–lipid relationships were disrupted.
Finula I. Isik   +6 more
wiley   +1 more source

Anti-periodic solution for fuzzy Cohen–Grossberg neural networks with time-varying and distributed delays

open access: yesNonlinear Analysis, 2015
In this paper, by using a continuation theorem of coincidence degree theory and a differential inequality, we establish some sufficient conditions ensuring the existence and global exponential stability of anti-periodic solutions for a class of fuzzy ...
Yongkun Li, Li Yang, Wanqin Wu
doaj   +1 more source

Anti-periodic Solutions of Impulsive Cohen-Grossberg SICNNs on Time Scales

open access: yesJournal of Mathematics Research, 2011
By using the method of coincidence degree and constructing suitable Lyapunov functional, some sufficient conditions areestablished for the existence and global exponential stability of anti-periodic solutions for a kind of impulsive Cohen-Grossberg shunting inhibitory cellular neural networks (CGSICNNs) on time scales. An example is given to illustrate
Meng Hu, Lili Wang, Lili Wang
openaire   +1 more source

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