Results 41 to 50 of about 201,051 (250)

Apical adaptation, sealing ability and push-out bond strength of five root-end filling materials

open access: yesBrazilian Oral Research, 2014
This study compared the fluid filtration, adaptation to the root canal walls, and the push-out bond strength of two resin-based sealers and three calcium silicate-based retrograde filling materials.
Pablo Andrés AMOROSO-SILVA   +5 more
doaj   +1 more source

Surface pinning of fluctuating charge order: an "extraordinary" surface phase transition

open access: yes, 2005
We study the mean-field theory of charge-density wave (CDW) order in a layered system, including the effect of the long-range Coulomb interaction and of screening by uncondensed electrons.
Eduardo Fradkin   +7 more
core   +1 more source

Cellular polarity modulates drug resistance in primary colorectal cancers via orientation of the multidrug resistance protein ABCB1 [PDF]

open access: yes, 2018
Colonic epithelial cells are highly polarised with a lumen‐facing apical membrane, termed the brush border, and a basal membrane in contact with the underlying extracellular matrix (ECM).
Ashley, Neil   +2 more
core   +2 more sources

The effectiveness of different irrigation strategies with laser activation on the bond strength of MTA as root end filling material: in vitro study

open access: yesBulletin of the National Research Centre, 2022
Objective To compare the push out bond strength of MTA apical plug in a simulated immature root, after using different irrigation protocols; NaOCl + 20% Etidronic acid (HEBP) and NaOCl + 17% Ethylenediaminetetraacetic acid (EDTA) with and without diode ...
Nada Omar Mostafa   +2 more
doaj   +1 more source

Tuning Hole Mobility, Concentration, and Repulsion in High-$T_c$ Cuprates via Apical Atoms

open access: yes, 2007
Using a newly developed first-principles Wannier-states approach that takes into account large on-site Coulomb repulsion, we derive the effective low-energy interacting Hamiltonians for several prototypical high-$T_c$ superconducting cuprates.
Ku, Wei, Yin, Wei-Guo
core   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Evaluation of calcium hydroxide apexification in immature permanent incisors [PDF]

open access: yesAl-Rafidain Dental Journal, 2011
Aims of the Study: The aim of the present study is to identify the effectiveness of tgpaste of calcium hydroxide with barium sulfate in inducing a calcified apical barrier of an incompletely formed root in necrotic permanent incisors of children ...
Khidhair A Al–Jumaili   +2 more
doaj   +1 more source

3D Acinar Culture for Imaging Acinar Dynamics [PDF]

open access: yes, 2023
Epithelial cells line surfaces of the human body. Since they define the boundary between internal and external environments, these cells maintain a polarity, created by localizing proteins at opposite ends of each cell, in order to facilitate transport ...
Leach, Kathryn A
core  

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Comparison of push-out bond strength of three different obturating systems to intraradicular dentin: An In vitro study

open access: yesContemporary Clinical Dentistry, 2019
Background: To increase the push-out bond strength of endodontic materials, newer obturation materials and obturation techniques are being introduced.
Mohammed Khwaja Moinuddin   +4 more
doaj   +1 more source

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