Results 31 to 40 of about 1,989,787 (354)

Supported Membranes on Chemically Structured and Rough Surfaces [PDF]

open access: yes, 2000
We present a general linear response description of membrane adhesion at rough or chemically structured surfaces. Our method accounts for non-local Van der Waals effects and contains the more approximate (and local) Deryagin approach in a simple limit ...
Andelman, David, Swain, Peter
core   +2 more sources

CD8 Co-Receptor Enhances T-Cell Activation without Any Effect on Initial Attachment

open access: yesCells, 2021
The scanning of surrounding tissues by T lymphocytes to detect cognate antigens requires high speed, sensitivity and specificity. T-cell receptor (TCR) co-receptors such as CD8 increase detection performance, but the exact mechanism remains incompletely ...
Philippe Robert   +3 more
doaj   +1 more source

Stimulation of endothelial adenosine Al receptors enhances adhesion of neutrophils in the intact guinea pig coronary system [PDF]

open access: yes, 1994
Objective: The primary aim was to determine the action of pathophysiologically relevant adenosine concentrations (0.1-1 μM) on adhesion of neutrophils to coronary endothelium.
Becker, Bernhard F.   +3 more
core   +1 more source

Cell Adhesion at the Tight Junctions: New Aspects and New Functions

open access: yesCells, 2023
Tight junctions (TJ) are cell–cell adhesive structures that define the permeability of barrier-forming epithelia and endothelia. In contrast to this seemingly static function, TJs display a surprisingly high molecular complexity and unexpected dynamic ...
Nicolina Wibbe, Klaus Ebnet
doaj   +1 more source

The role of cell-cell adhesion in wound healing

open access: yes, 2006
We present a stochastic model which describes fronts of cells invading a wound. In the model cells can move, proliferate, and experience cell-cell adhesion.
A. Kolmogorov   +18 more
core   +1 more source

Adhesion Induced DNA Naturation [PDF]

open access: yes, 2005
DNA adsorption and naturation is modeled via two interacting flexible homopolymers coupled to a solid surface. DNA denatures if the entropy gain for unbinding the two strands overcomes the loss of binding energy.
A. E. Allahverdyan   +10 more
core   +2 more sources

Pediatric Oncology Nursing Competencies in Latin America and the Caribbean: A Scoping Review to Inform Practice, Education, and Research

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Nurses are central to cancer care for children and adolescents, yet no comprehensive synthesis has defined essential core competencies for pediatric oncology nursing (PON) practice internationally, particularly in Latin America and the Caribbean (LAC).
Luís Carlos Lopes‐Júnior   +7 more
wiley   +1 more source

Structural basis for interdomain communication in SHIP2 providing high phosphatase activity

open access: yeseLife, 2017
SH2-containing-inositol-5-phosphatases (SHIPs) dephosphorylate the 5-phosphate of phosphatidylinositol-3,4,5-trisphosphate (PI(3,4,5)P3) and play important roles in regulating the PI3K/Akt pathway in physiology and disease.
Johanne Le Coq   +7 more
doaj   +1 more source

Peritoneal adhesions after laparoscopic gastrointestinal surgery [PDF]

open access: yes, 2014
Although laparoscopy has the potential to reduce peritoneal trauma and post-operative peritoneal adhesion formation, only one randomized controlled trial and a few comparative retrospective clinical studies have addressed this issue.
MAIS, VALERIO
core   +1 more source

Pulmonary Dysfunction Is Associated With Sleep Study Abnormalities in Children With Sickle Cell Disease: A Multicenter Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Pulmonary dysfunction and sleep abnormalities are common in children with sickle cell disease (SCD) and are associated with worse clinical outcomes. Whether spirometry abnormalities are associated with polysomnography (PSG) findings remains unclear.
Ammar Saadoon Alishlash   +4 more
wiley   +1 more source

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